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authorCVS to git conversion script <webmaster@postgresql.org>2002-06-20 20:29:55 +0000
committerCVS to git conversion script <webmaster@postgresql.org>2002-06-20 20:29:55 +0000
commit05dedace84ef8c93fea5309c3ac55f889011429b (patch)
tree4c7f513afbbc03060039a165d1770e11be711773 /src/backend/utils/adt/datetime.c
parentd84fe82230c593f3dc5d7f427849b99d1efa8a0a (diff)
This commit was manufactured by cvs2git to create branch 'ecpg_big_bison'.
Sprout from master 2002-06-20 20:29:54 UTC Bruce Momjian <bruce@momjian.us> 'Update copyright to 2002.' 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src/include/storage/buf.h src/include/storage/buf_internals.h src/include/storage/buffile.h src/include/storage/bufmgr.h src/include/storage/bufpage.h src/include/storage/fd.h src/include/storage/freespace.h src/include/storage/ipc.h src/include/storage/item.h src/include/storage/itemid.h src/include/storage/itempos.h src/include/storage/itemptr.h src/include/storage/large_object.h src/include/storage/lmgr.h src/include/storage/lock.h src/include/storage/lwlock.h src/include/storage/off.h src/include/storage/page.h src/include/storage/pg_sema.h src/include/storage/pg_shmem.h src/include/storage/pmsignal.h src/include/storage/pos.h src/include/storage/proc.h src/include/storage/relfilenode.h src/include/storage/s_lock.h src/include/storage/shmem.h src/include/storage/sinval.h src/include/storage/sinvaladt.h src/include/storage/smgr.h src/include/storage/spin.h src/include/strdup.h src/include/tcop/dest.h src/include/tcop/fastpath.h src/include/tcop/pquery.h src/include/tcop/tcopdebug.h src/include/tcop/tcopprot.h src/include/tcop/utility.h src/include/utils/acl.h src/include/utils/array.h src/include/utils/ascii.h src/include/utils/bit.h src/include/utils/builtins.h src/include/utils/cash.h src/include/utils/catcache.h src/include/utils/date.h src/include/utils/datetime.h src/include/utils/datum.h src/include/utils/dynahash.h src/include/utils/dynamic_loader.h src/include/utils/elog.h src/include/utils/exc.h src/include/utils/excid.h src/include/utils/fcache.h src/include/utils/fmgrtab.h src/include/utils/formatting.h src/include/utils/geo_decls.h src/include/utils/guc.h src/include/utils/hsearch.h src/include/utils/inet.h src/include/utils/int8.h src/include/utils/inval.h src/include/utils/logtape.h src/include/utils/lsyscache.h src/include/utils/memutils.h src/include/utils/nabstime.h src/include/utils/numeric.h src/include/utils/palloc.h src/include/utils/pg_crc.h src/include/utils/pg_locale.h src/include/utils/pg_lzcompress.h src/include/utils/portal.h src/include/utils/ps_status.h src/include/utils/rel.h src/include/utils/relcache.h src/include/utils/selfuncs.h src/include/utils/sets.h src/include/utils/syscache.h src/include/utils/timestamp.h src/include/utils/tqual.h src/include/utils/tuplesort.h src/include/utils/tuplestore.h src/include/utils/varbit.h src/interfaces/Makefile src/interfaces/cli/example1.c src/interfaces/cli/example2.c src/interfaces/cli/sqlcli.h src/interfaces/jdbc/CHANGELOG src/interfaces/jdbc/Implementation src/interfaces/jdbc/Makefile src/interfaces/jdbc/README src/interfaces/jdbc/build.xml src/interfaces/jdbc/example/ImageViewer.java src/interfaces/jdbc/example/Unicode.java src/interfaces/jdbc/example/basic.java src/interfaces/jdbc/example/blobtest.java src/interfaces/jdbc/example/corba/StockClient.java src/interfaces/jdbc/example/corba/StockDB.java src/interfaces/jdbc/example/corba/StockDispenserImpl.java src/interfaces/jdbc/example/corba/StockItemImpl.java src/interfaces/jdbc/example/corba/StockServer.java src/interfaces/jdbc/example/corba/readme src/interfaces/jdbc/example/corba/stock.idl src/interfaces/jdbc/example/corba/stock.sql src/interfaces/jdbc/example/datestyle.java src/interfaces/jdbc/example/metadata.java src/interfaces/jdbc/example/psql.java src/interfaces/jdbc/example/threadsafe.java src/interfaces/jdbc/jdbc.jpx src/interfaces/jdbc/org/postgresql/Connection.java src/interfaces/jdbc/org/postgresql/Driver.java.in src/interfaces/jdbc/org/postgresql/Field.java src/interfaces/jdbc/org/postgresql/PG_Stream.java src/interfaces/jdbc/org/postgresql/PostgresqlDataSource.java src/interfaces/jdbc/org/postgresql/ResultSet.java src/interfaces/jdbc/org/postgresql/Statement.java src/interfaces/jdbc/org/postgresql/core/BytePoolDim1.java src/interfaces/jdbc/org/postgresql/core/BytePoolDim2.java src/interfaces/jdbc/org/postgresql/core/Encoding.java src/interfaces/jdbc/org/postgresql/core/MemoryPool.java src/interfaces/jdbc/org/postgresql/core/ObjectPool.java src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java src/interfaces/jdbc/org/postgresql/core/SimpleObjectPool.java src/interfaces/jdbc/org/postgresql/core/StartupPacket.java src/interfaces/jdbc/org/postgresql/errors.properties src/interfaces/jdbc/org/postgresql/errors_de.properties src/interfaces/jdbc/org/postgresql/errors_fr.properties src/interfaces/jdbc/org/postgresql/errors_it.properties src/interfaces/jdbc/org/postgresql/errors_nl.properties src/interfaces/jdbc/org/postgresql/errors_zh_TW.properties src/interfaces/jdbc/org/postgresql/fastpath/Fastpath.java src/interfaces/jdbc/org/postgresql/fastpath/FastpathArg.java src/interfaces/jdbc/org/postgresql/geometric/PGbox.java src/interfaces/jdbc/org/postgresql/geometric/PGcircle.java src/interfaces/jdbc/org/postgresql/geometric/PGline.java src/interfaces/jdbc/org/postgresql/geometric/PGlseg.java src/interfaces/jdbc/org/postgresql/geometric/PGpath.java src/interfaces/jdbc/org/postgresql/geometric/PGpoint.java src/interfaces/jdbc/org/postgresql/geometric/PGpolygon.java src/interfaces/jdbc/org/postgresql/jdbc1/CallableStatement.java src/interfaces/jdbc/org/postgresql/jdbc1/Connection.java src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java src/interfaces/jdbc/org/postgresql/jdbc1/PreparedStatement.java src/interfaces/jdbc/org/postgresql/jdbc1/ResultSet.java src/interfaces/jdbc/org/postgresql/jdbc1/ResultSetMetaData.java src/interfaces/jdbc/org/postgresql/jdbc1/Statement.java src/interfaces/jdbc/org/postgresql/jdbc2/Array.java src/interfaces/jdbc/org/postgresql/jdbc2/CallableStatement.java src/interfaces/jdbc/org/postgresql/jdbc2/Connection.java src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java src/interfaces/jdbc/org/postgresql/jdbc2/PBatchUpdateException.java src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java src/interfaces/jdbc/org/postgresql/jdbc2/ResultSetMetaData.java src/interfaces/jdbc/org/postgresql/jdbc2/Statement.java src/interfaces/jdbc/org/postgresql/jdbc2/UpdateableResultSet.java src/interfaces/jdbc/org/postgresql/largeobject/BlobInputStream.java src/interfaces/jdbc/org/postgresql/largeobject/BlobOutputStream.java src/interfaces/jdbc/org/postgresql/largeobject/LargeObject.java src/interfaces/jdbc/org/postgresql/largeobject/LargeObjectManager.java src/interfaces/jdbc/org/postgresql/largeobject/PGblob.java src/interfaces/jdbc/org/postgresql/largeobject/PGclob.java src/interfaces/jdbc/org/postgresql/test/JDBC2Tests.java src/interfaces/jdbc/org/postgresql/test/README src/interfaces/jdbc/org/postgresql/test/jdbc2/ANTTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/BatchExecuteTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/BlobTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/ConnectionTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/DatabaseMetaDataTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/DateTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/DriverTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/EncodingTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/JBuilderTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/MiscTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/ResultSetTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/TimeTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/TimestampTest.java src/interfaces/jdbc/org/postgresql/test/jdbc2/UpdateableResultTest.java src/interfaces/jdbc/org/postgresql/util/MD5Digest.java src/interfaces/jdbc/org/postgresql/util/MessageTranslator.java src/interfaces/jdbc/org/postgresql/util/PGbytea.java src/interfaces/jdbc/org/postgresql/util/PGmoney.java src/interfaces/jdbc/org/postgresql/util/PGobject.java src/interfaces/jdbc/org/postgresql/util/PGtokenizer.java src/interfaces/jdbc/org/postgresql/util/PSQLException.java src/interfaces/jdbc/org/postgresql/util/Serialize.java src/interfaces/jdbc/org/postgresql/util/UnixCrypt.java src/interfaces/jdbc/org/postgresql/xa/ClientConnection.java src/interfaces/jdbc/org/postgresql/xa/TwoPhaseConnection.java src/interfaces/jdbc/org/postgresql/xa/TxConnection.java src/interfaces/jdbc/org/postgresql/xa/XAConnectionImpl.java src/interfaces/jdbc/org/postgresql/xa/XADataSourceImpl.java src/interfaces/jdbc/utils/CheckVersion.java src/interfaces/jdbc/utils/buildDriver src/interfaces/jdbc/utils/changelog.pl src/interfaces/libpgeasy/Makefile src/interfaces/libpgeasy/README src/interfaces/libpgeasy/examples/Makefile src/interfaces/libpgeasy/examples/pginsert.c src/interfaces/libpgeasy/examples/pgmultiresult.c src/interfaces/libpgeasy/examples/pgnulltest.c src/interfaces/libpgeasy/examples/pgwordcount.c src/interfaces/libpgeasy/halt.c src/interfaces/libpgeasy/halt.h src/interfaces/libpgeasy/libpgeasy.c src/interfaces/libpgeasy/libpgeasy.h src/interfaces/libpgtcl/Makefile src/interfaces/libpgtcl/README 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src/interfaces/libpq/ru.po src/interfaces/libpq/sv.po src/interfaces/libpq/win32.c src/interfaces/libpq/win32.h src/interfaces/libpq/win32.mak src/interfaces/libpq/zh_CN.po src/interfaces/libpq/zh_TW.po src/interfaces/libpq++/CHANGES src/interfaces/libpq++/Makefile src/interfaces/libpq++/README src/interfaces/libpq++/TODO src/interfaces/libpq++/examples/Makefile src/interfaces/libpq++/examples/testlibpq0.cc src/interfaces/libpq++/examples/testlibpq1.cc src/interfaces/libpq++/examples/testlibpq2.cc src/interfaces/libpq++/examples/testlibpq2.sql src/interfaces/libpq++/examples/testlibpq3.cc src/interfaces/libpq++/examples/testlibpq3.sql src/interfaces/libpq++/examples/testlibpq4.cc src/interfaces/libpq++/examples/testlibpq4.sql src/interfaces/libpq++/examples/testlibpq5.cc src/interfaces/libpq++/examples/testlibpq5.sql src/interfaces/libpq++/examples/testlibpq6.cc src/interfaces/libpq++/examples/testlo.cc src/interfaces/libpq++/libpq++.h src/interfaces/libpq++/libpq++dll.rc src/interfaces/libpq++/pgconnection.cc src/interfaces/libpq++/pgconnection.h src/interfaces/libpq++/pgcursordb.cc src/interfaces/libpq++/pgcursordb.h src/interfaces/libpq++/pgdatabase.cc src/interfaces/libpq++/pgdatabase.h src/interfaces/libpq++/pglobject.cc src/interfaces/libpq++/pglobject.h src/interfaces/libpq++/pgtransdb.cc src/interfaces/libpq++/pgtransdb.h src/interfaces/libpq++/win32.mak src/interfaces/odbc/GNUmakefile src/interfaces/odbc/bind.c src/interfaces/odbc/bind.h src/interfaces/odbc/columninfo.c src/interfaces/odbc/columninfo.h src/interfaces/odbc/connection.c src/interfaces/odbc/connection.h src/interfaces/odbc/convert.c src/interfaces/odbc/convert.h src/interfaces/odbc/descriptor.h src/interfaces/odbc/dlg_specific.c src/interfaces/odbc/dlg_specific.h src/interfaces/odbc/dlg_wingui.c src/interfaces/odbc/drvconn.c src/interfaces/odbc/environ.c src/interfaces/odbc/environ.h src/interfaces/odbc/execute.c src/interfaces/odbc/gpps.c src/interfaces/odbc/gpps.h src/interfaces/odbc/info.c src/interfaces/odbc/info30.c src/interfaces/odbc/iodbc.h src/interfaces/odbc/isql.h src/interfaces/odbc/isqlext.h src/interfaces/odbc/license.txt src/interfaces/odbc/lobj.c src/interfaces/odbc/lobj.h src/interfaces/odbc/md5.c src/interfaces/odbc/md5.h src/interfaces/odbc/misc.c src/interfaces/odbc/misc.h src/interfaces/odbc/multibyte.c src/interfaces/odbc/multibyte.h src/interfaces/odbc/notice.txt src/interfaces/odbc/odbc.sql src/interfaces/odbc/odbcapi.c src/interfaces/odbc/odbcapi25w.c src/interfaces/odbc/odbcapi30.c src/interfaces/odbc/odbcapi30w.c src/interfaces/odbc/odbcapiw.c src/interfaces/odbc/odbcinst.ini src/interfaces/odbc/options.c src/interfaces/odbc/parse.c src/interfaces/odbc/pgapi30.c src/interfaces/odbc/pgapifunc.h src/interfaces/odbc/pgtypes.c src/interfaces/odbc/pgtypes.h src/interfaces/odbc/psqlodbc.c src/interfaces/odbc/psqlodbc.h src/interfaces/odbc/psqlodbc.rc src/interfaces/odbc/psqlodbc.reg src/interfaces/odbc/psqlodbc30.reg src/interfaces/odbc/psqlodbc30w.reg src/interfaces/odbc/psqlodbc_api30.def src/interfaces/odbc/psqlodbc_api30w.def src/interfaces/odbc/psqlodbc_apiw.def src/interfaces/odbc/psqlodbc_win32.def src/interfaces/odbc/qresult.c src/interfaces/odbc/qresult.h src/interfaces/odbc/readme.txt src/interfaces/odbc/resource.h src/interfaces/odbc/results.c src/interfaces/odbc/setup.c src/interfaces/odbc/setup.rul src/interfaces/odbc/socket.c src/interfaces/odbc/socket.h src/interfaces/odbc/statement.c src/interfaces/odbc/statement.h src/interfaces/odbc/tuple.c src/interfaces/odbc/tuple.h src/interfaces/odbc/tuplelist.c src/interfaces/odbc/tuplelist.h src/interfaces/odbc/version.h src/interfaces/odbc/win32.mak src/interfaces/odbc/win32_30.mak src/interfaces/odbc/win32_30w.mak src/interfaces/odbc/win32w.mak src/interfaces/odbc/win_md5.c src/interfaces/odbc/win_setup.h src/interfaces/odbc/win_unicode.c src/interfaces/perl5/Changes src/interfaces/perl5/GNUmakefile src/interfaces/perl5/MANIFEST src/interfaces/perl5/Makefile.PL src/interfaces/perl5/Pg.pm src/interfaces/perl5/Pg.xs src/interfaces/perl5/README src/interfaces/perl5/examples/ApachePg.pl src/interfaces/perl5/examples/example.newstyle src/interfaces/perl5/examples/example.oldstyle src/interfaces/perl5/ppport.h src/interfaces/perl5/test.pl src/interfaces/perl5/typemap src/interfaces/python/Announce src/interfaces/python/ChangeLog src/interfaces/python/GNUmakefile src/interfaces/python/PyGreSQL.spec src/interfaces/python/README src/interfaces/python/README.linux src/interfaces/python/Setup.in.raw src/interfaces/python/pg.py src/interfaces/python/pgdb.py src/interfaces/python/pgmodule.c src/interfaces/python/setup.py src/interfaces/python/tutorial/advanced.py src/interfaces/python/tutorial/basics.py src/interfaces/python/tutorial/func.py src/interfaces/python/tutorial/syscat.py src/interfaces/ssl/client.conf src/interfaces/ssl/mkcert.sh src/interfaces/ssl/pgkeygen.sh src/interfaces/ssl/root.conf src/interfaces/ssl/server.conf src/makefiles/Makefile.aix src/makefiles/Makefile.beos src/makefiles/Makefile.bsdi src/makefiles/Makefile.darwin src/makefiles/Makefile.dgux src/makefiles/Makefile.freebsd src/makefiles/Makefile.hpux src/makefiles/Makefile.irix5 src/makefiles/Makefile.linux src/makefiles/Makefile.netbsd src/makefiles/Makefile.openbsd src/makefiles/Makefile.osf src/makefiles/Makefile.qnx4 src/makefiles/Makefile.sco src/makefiles/Makefile.solaris src/makefiles/Makefile.sunos4 src/makefiles/Makefile.svr4 src/makefiles/Makefile.ultrix4 src/makefiles/Makefile.univel src/makefiles/Makefile.unixware src/makefiles/Makefile.win src/nls-global.mk src/pl/Makefile src/pl/plperl/GNUmakefile src/pl/plperl/README src/pl/plperl/SPI.xs src/pl/plperl/eloglvl.c src/pl/plperl/eloglvl.h src/pl/plperl/plperl.c src/pl/plperl/ppport.h src/pl/plpgsql/Makefile src/pl/plpgsql/src/.cvsignore src/pl/plpgsql/src/INSTALL src/pl/plpgsql/src/Makefile src/pl/plpgsql/src/gram.y src/pl/plpgsql/src/pl_comp.c 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src/test/bench/query01 src/test/bench/query02 src/test/bench/query03 src/test/bench/query04 src/test/bench/query05 src/test/bench/query06 src/test/bench/query07 src/test/bench/query08 src/test/bench/query09 src/test/bench/query10 src/test/bench/query11 src/test/bench/query12 src/test/bench/query13 src/test/bench/query14 src/test/bench/query15 src/test/bench/query16 src/test/bench/query17 src/test/bench/query18 src/test/bench/query19 src/test/bench/query20 src/test/bench/query21 src/test/bench/query22 src/test/bench/query23 src/test/bench/query24 src/test/bench/query25 src/test/bench/query26 src/test/bench/query27 src/test/bench/query28 src/test/bench/query29 src/test/bench/query30 src/test/bench/query31 src/test/bench/query32 src/test/bench/runwisc.sh src/test/bench/wholebench.sh src/test/examples/Makefile src/test/examples/testlibpq.c src/test/examples/testlibpq2.c src/test/examples/testlibpq2.sql src/test/examples/testlibpq3.c src/test/examples/testlibpq3.sql src/test/examples/testlibpq4.c src/test/examples/testlo.c src/test/locale/Makefile src/test/locale/README src/test/locale/de_DE.ISO8859-1/Makefile src/test/locale/de_DE.ISO8859-1/README src/test/locale/de_DE.ISO8859-1/expected/de-ctype.out src/test/locale/de_DE.ISO8859-1/expected/test-de-char.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-select.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-sort.out src/test/locale/de_DE.ISO8859-1/expected/test-de-text.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-upper-char.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-upper-text.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-upper-varchar.sql.out src/test/locale/de_DE.ISO8859-1/expected/test-de-varchar.sql.out src/test/locale/de_DE.ISO8859-1/runall src/test/locale/de_DE.ISO8859-1/test-de-select.sql.in src/test/locale/de_DE.ISO8859-1/test-de-sort.in src/test/locale/de_DE.ISO8859-1/test-de-upper.sql.in src/test/locale/de_DE.ISO8859-1/test-de.sql.in src/test/locale/gr_GR.ISO8859-7/Makefile src/test/locale/gr_GR.ISO8859-7/README src/test/locale/gr_GR.ISO8859-7/expected/gr-ctype.out src/test/locale/gr_GR.ISO8859-7/expected/test-gr-char.sql.out src/test/locale/gr_GR.ISO8859-7/expected/test-gr-select.sql.out src/test/locale/gr_GR.ISO8859-7/expected/test-gr-sort.out src/test/locale/gr_GR.ISO8859-7/expected/test-gr-text.sql.out src/test/locale/gr_GR.ISO8859-7/expected/test-gr-varchar.sql.out src/test/locale/gr_GR.ISO8859-7/runall src/test/locale/gr_GR.ISO8859-7/test-gr-select.sql.in src/test/locale/gr_GR.ISO8859-7/test-gr-sort.in src/test/locale/gr_GR.ISO8859-7/test-gr.sql.in src/test/locale/koi8-r/Makefile src/test/locale/koi8-r/expected/koi8-ctype.out src/test/locale/koi8-r/expected/test-koi8-char.sql.out src/test/locale/koi8-r/expected/test-koi8-select.sql.out src/test/locale/koi8-r/expected/test-koi8-sort.out src/test/locale/koi8-r/expected/test-koi8-text.sql.out src/test/locale/koi8-r/expected/test-koi8-varchar.sql.out src/test/locale/koi8-r/runall src/test/locale/koi8-r/test-koi8-select.sql.in src/test/locale/koi8-r/test-koi8-sort.in src/test/locale/koi8-r/test-koi8.sql.in src/test/locale/koi8-to-win1251/Makefile src/test/locale/koi8-to-win1251/README src/test/locale/koi8-to-win1251/expected/test-koi8-char.sql.out src/test/locale/koi8-to-win1251/expected/test-koi8-select.sql.out src/test/locale/koi8-to-win1251/expected/test-koi8-sort.out src/test/locale/koi8-to-win1251/expected/test-koi8-text.sql.out src/test/locale/koi8-to-win1251/expected/test-koi8-varchar.sql.out src/test/locale/koi8-to-win1251/runall src/test/locale/koi8-to-win1251/test-koi8-select.sql.in src/test/locale/koi8-to-win1251/test-koi8-sort.in src/test/locale/koi8-to-win1251/test-koi8.sql.in src/test/locale/sort-test.pl src/test/locale/sort-test.py src/test/locale/test-ctype.c src/test/locale/test-pgsql-locale.c src/test/mb/README src/test/mb/expected/big5.out src/test/mb/expected/euc_cn.out src/test/mb/expected/euc_jp.out src/test/mb/expected/euc_kr.out src/test/mb/expected/euc_tw.out src/test/mb/expected/mule_internal.out src/test/mb/expected/sjis.out src/test/mb/expected/unicode.out src/test/mb/mbregress.sh src/test/mb/sql/big5.sql src/test/mb/sql/euc_cn.sql src/test/mb/sql/euc_jp.sql src/test/mb/sql/euc_kr.sql src/test/mb/sql/euc_tw.sql src/test/mb/sql/mule_internal.sql src/test/mb/sql/sjis.sql src/test/mb/sql/unicode.sql src/test/performance/results/PgSQL.970926 src/test/performance/runtests.pl src/test/performance/sqls/connection src/test/performance/sqls/crtsimple src/test/performance/sqls/crtsimpleidx src/test/performance/sqls/drpsimple src/test/performance/sqls/inssimple src/test/performance/sqls/inssimple.data src/test/performance/sqls/orbsimple src/test/performance/sqls/slcsimple src/test/performance/sqls/slcsimple.data src/test/performance/sqls/vacuum src/test/performance/start-pgsql.sh src/test/regress/GNUmakefile src/test/regress/Makefile src/test/regress/README src/test/regress/data/agg.data src/test/regress/data/constrf.data src/test/regress/data/constro.data src/test/regress/data/dept.data src/test/regress/data/desc.data src/test/regress/data/emp.data src/test/regress/data/hash.data src/test/regress/data/onek.data src/test/regress/data/person.data src/test/regress/data/real_city.data src/test/regress/data/rect.data src/test/regress/data/streets.data src/test/regress/data/stud_emp.data src/test/regress/data/student.data src/test/regress/data/tenk.data src/test/regress/expected/abstime-solaris-1947.out src/test/regress/expected/abstime.out src/test/regress/expected/aggregates.out src/test/regress/expected/alter_table.out src/test/regress/expected/arrays.out src/test/regress/expected/bit.out src/test/regress/expected/boolean.out src/test/regress/expected/box.out src/test/regress/expected/btree_index.out src/test/regress/expected/case.out src/test/regress/expected/char.out src/test/regress/expected/char_1.out src/test/regress/expected/circle.out src/test/regress/expected/comments.out src/test/regress/expected/create_aggregate.out src/test/regress/expected/create_index.out src/test/regress/expected/create_misc.out src/test/regress/expected/create_operator.out src/test/regress/expected/create_table.out src/test/regress/expected/create_type.out src/test/regress/expected/create_view.out src/test/regress/expected/date.out src/test/regress/expected/domain.out src/test/regress/expected/errors.out src/test/regress/expected/euc_cn.out src/test/regress/expected/euc_jp.out src/test/regress/expected/euc_kr.out src/test/regress/expected/euc_tw.out src/test/regress/expected/float4-exp-three-digits.out src/test/regress/expected/float4.out src/test/regress/expected/float8-exp-three-digits.out src/test/regress/expected/float8-fp-exception.out src/test/regress/expected/float8-small-is-zero.out src/test/regress/expected/float8.out src/test/regress/expected/foreign_key.out src/test/regress/expected/geometry-alpha-precision.out src/test/regress/expected/geometry-bsdi-precision.out src/test/regress/expected/geometry-i86-gnulibc.out src/test/regress/expected/geometry-intel-beos.out src/test/regress/expected/geometry-irix.out src/test/regress/expected/geometry-positive-zeros-bsd.out src/test/regress/expected/geometry-positive-zeros.out src/test/regress/expected/geometry-powerpc-aix4.out src/test/regress/expected/geometry-powerpc-darwin.out src/test/regress/expected/geometry-powerpc-linux-gnulibc1.out src/test/regress/expected/geometry-solaris-i386-pc.out src/test/regress/expected/geometry-solaris-precision.out src/test/regress/expected/geometry-uw7-cc.out src/test/regress/expected/geometry-uw7-gcc.out src/test/regress/expected/geometry.out src/test/regress/expected/hash_index.out src/test/regress/expected/horology-no-DST-before-1970.out src/test/regress/expected/horology-solaris-1947.out src/test/regress/expected/horology.out src/test/regress/expected/inet.out src/test/regress/expected/inherit.out src/test/regress/expected/insert.out src/test/regress/expected/int2.out src/test/regress/expected/int4.out src/test/regress/expected/int8-exp-three-digits.out src/test/regress/expected/int8.out src/test/regress/expected/interval.out src/test/regress/expected/join.out src/test/regress/expected/limit.out src/test/regress/expected/lseg.out src/test/regress/expected/mule_internal.out src/test/regress/expected/name.out src/test/regress/expected/numeric.out src/test/regress/expected/numeric_big.out src/test/regress/expected/numerology.out src/test/regress/expected/oid.out src/test/regress/expected/oidjoins.out src/test/regress/expected/opr_sanity.out src/test/regress/expected/path.out src/test/regress/expected/plpgsql.out src/test/regress/expected/point.out src/test/regress/expected/polygon.out src/test/regress/expected/portals.out src/test/regress/expected/portals_p2.out src/test/regress/expected/privileges.out src/test/regress/expected/random.out src/test/regress/expected/reltime.out src/test/regress/expected/rules.out src/test/regress/expected/sanity_check.out src/test/regress/expected/select.out src/test/regress/expected/select_distinct.out src/test/regress/expected/select_distinct_on.out src/test/regress/expected/select_having.out src/test/regress/expected/select_having_1.out src/test/regress/expected/select_implicit.out src/test/regress/expected/select_implicit_1.out src/test/regress/expected/select_into.out src/test/regress/expected/select_views.out src/test/regress/expected/select_views_1.out src/test/regress/expected/sql_ascii.out src/test/regress/expected/strings.out src/test/regress/expected/subselect.out src/test/regress/expected/temp.out src/test/regress/expected/text.out src/test/regress/expected/time.out src/test/regress/expected/timestamp.out src/test/regress/expected/timestamptz.out src/test/regress/expected/timetz.out src/test/regress/expected/tinterval-solaris-1947.out src/test/regress/expected/tinterval.out src/test/regress/expected/transactions.out src/test/regress/expected/triggers.out src/test/regress/expected/type_sanity.out src/test/regress/expected/union.out src/test/regress/expected/varchar.out src/test/regress/expected/varchar_1.out src/test/regress/input/constraints.source src/test/regress/input/copy.source src/test/regress/input/create_function_1.source src/test/regress/input/create_function_2.source src/test/regress/input/misc.source src/test/regress/output/constraints.source src/test/regress/output/copy.source src/test/regress/output/create_function_1.source src/test/regress/output/create_function_2.source src/test/regress/output/misc.source src/test/regress/parallel_schedule src/test/regress/pg_regress.sh src/test/regress/regress.c src/test/regress/regressplans.sh src/test/regress/resultmap src/test/regress/serial_schedule src/test/regress/sql/abstime.sql src/test/regress/sql/aggregates.sql src/test/regress/sql/alter_table.sql src/test/regress/sql/arrays.sql src/test/regress/sql/bit.sql src/test/regress/sql/boolean.sql src/test/regress/sql/box.sql src/test/regress/sql/btree_index.sql src/test/regress/sql/case.sql src/test/regress/sql/char.sql src/test/regress/sql/circle.sql src/test/regress/sql/comments.sql src/test/regress/sql/create_aggregate.sql src/test/regress/sql/create_index.sql src/test/regress/sql/create_misc.sql src/test/regress/sql/create_operator.sql src/test/regress/sql/create_table.sql src/test/regress/sql/create_type.sql src/test/regress/sql/create_view.sql src/test/regress/sql/date.sql src/test/regress/sql/domain.sql src/test/regress/sql/drop.sql src/test/regress/sql/errors.sql src/test/regress/sql/euc_cn.sql src/test/regress/sql/euc_jp.sql src/test/regress/sql/euc_kr.sql src/test/regress/sql/euc_tw.sql src/test/regress/sql/float4.sql src/test/regress/sql/float8.sql src/test/regress/sql/foreign_key.sql src/test/regress/sql/geometry.sql src/test/regress/sql/hash_index.sql src/test/regress/sql/horology.sql src/test/regress/sql/inet.sql src/test/regress/sql/inherit.sql src/test/regress/sql/insert.sql src/test/regress/sql/int2.sql src/test/regress/sql/int4.sql src/test/regress/sql/int8.sql src/test/regress/sql/interval.sql src/test/regress/sql/join.sql src/test/regress/sql/limit.sql src/test/regress/sql/lseg.sql src/test/regress/sql/mule_internal.sql src/test/regress/sql/name.sql src/test/regress/sql/numeric.sql src/test/regress/sql/numeric_big.sql src/test/regress/sql/numerology.sql src/test/regress/sql/oid.sql src/test/regress/sql/oidjoins.sql src/test/regress/sql/opr_sanity.sql src/test/regress/sql/path.sql src/test/regress/sql/plpgsql.sql src/test/regress/sql/point.sql src/test/regress/sql/polygon.sql src/test/regress/sql/portals.sql src/test/regress/sql/portals_p2.sql src/test/regress/sql/privileges.sql src/test/regress/sql/random.sql src/test/regress/sql/reltime.sql src/test/regress/sql/rules.sql src/test/regress/sql/sanity_check.sql src/test/regress/sql/select.sql src/test/regress/sql/select_distinct.sql src/test/regress/sql/select_distinct_on.sql src/test/regress/sql/select_having.sql src/test/regress/sql/select_implicit.sql src/test/regress/sql/select_into.sql src/test/regress/sql/select_views.sql src/test/regress/sql/sql_ascii.sql src/test/regress/sql/strings.sql src/test/regress/sql/subselect.sql src/test/regress/sql/temp.sql src/test/regress/sql/text.sql src/test/regress/sql/time.sql src/test/regress/sql/timestamp.sql src/test/regress/sql/timestamptz.sql src/test/regress/sql/timetz.sql src/test/regress/sql/tinterval.sql src/test/regress/sql/transactions.sql src/test/regress/sql/triggers.sql src/test/regress/sql/type_sanity.sql src/test/regress/sql/union.sql src/test/regress/sql/varchar.sql src/tools/RELEASE_CHANGES src/tools/backend/README src/tools/backend/backend_dirs.html src/tools/backend/flow.fig src/tools/backend/flow.gif src/tools/backend/index.html src/tools/ccsym src/tools/copyright src/tools/entab/Makefile src/tools/entab/entab.c src/tools/entab/entab.man src/tools/entab/halt.c src/tools/find_badmacros src/tools/find_static src/tools/find_typedef src/tools/make_ctags src/tools/make_diff/README src/tools/make_diff/cporig src/tools/make_diff/difforig src/tools/make_diff/rmorig src/tools/make_etags src/tools/make_keywords src/tools/make_mkid src/tools/pgcvslog src/tools/pginclude/README src/tools/pginclude/pgcompinclude src/tools/pginclude/pgdefine src/tools/pginclude/pgfixinclude src/tools/pginclude/pgrminclude src/tools/pgindent/README src/tools/pgindent/indent.bsd.patch src/tools/pgindent/pgcppindent src/tools/pgindent/pgindent src/tools/pgindent/pgjindent src/tutorial/Makefile src/tutorial/README src/tutorial/advanced.source src/tutorial/basics.source src/tutorial/beard.c src/tutorial/complex.c src/tutorial/complex.source src/tutorial/funcs.c src/tutorial/funcs.source src/tutorial/funcs_new.c src/tutorial/syscat.source src/utils/Makefile src/utils/README src/utils/dllinit.c src/utils/getopt.c src/utils/strdup.c src/win32.mak
Diffstat (limited to 'src/backend/utils/adt/datetime.c')
-rw-r--r--src/backend/utils/adt/datetime.c3587
1 files changed, 0 insertions, 3587 deletions
diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
deleted file mode 100644
index 184ad15ff38..00000000000
--- a/src/backend/utils/adt/datetime.c
+++ /dev/null
@@ -1,3587 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * datetime.c
- * Support functions for date/time types.
- *
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.92 2002/06/20 20:29:37 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-#include "postgres.h"
-
-#include <ctype.h>
-#include <math.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <float.h>
-#include <limits.h>
-
-#include "miscadmin.h"
-#include "utils/guc.h"
-#include "utils/datetime.h"
-
-
-static int DecodeNumber(int flen, char *field,
- int fmask, int *tmask,
- struct tm * tm, fsec_t *fsec, int *is2digits);
-static int DecodeNumberField(int len, char *str,
- int fmask, int *tmask,
- struct tm * tm, fsec_t *fsec, int *is2digits);
-static int DecodeTime(char *str, int fmask, int *tmask,
- struct tm * tm, fsec_t *fsec);
-static int DecodeTimezone(char *str, int *tzp);
-static datetkn *datebsearch(char *key, datetkn *base, unsigned int nel);
-static int DecodeDate(char *str, int fmask, int *tmask, struct tm * tm);
-static int DecodePosixTimezone(char *str, int *val);
-void TrimTrailingZeros(char *str);
-
-
-int day_tab[2][13] = {
- {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0},
- {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0}};
-
-char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", NULL};
-
-char *days[] = {"Sunday", "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturday", NULL};
-
-
-/*****************************************************************************
- * PRIVATE ROUTINES *
- *****************************************************************************/
-
-/* definitions for squeezing values into "value" */
-#define ABS_SIGNBIT ((char) 0200)
-#define VALMASK ((char) 0177)
-#define NEG(n) ((n)|ABS_SIGNBIT)
-#define SIGNEDCHAR(c) ((c)&ABS_SIGNBIT? -((c)&VALMASK): (c))
-#define FROMVAL(tp) (-SIGNEDCHAR((tp)->value) * 10) /* uncompress */
-#define TOVAL(tp, v) ((tp)->value = ((v) < 0? NEG((-(v))/10): (v)/10))
-
-/*
- * datetktbl holds date/time keywords. Note that this table must be strictly
- * ordered to allow an O(ln(N)) search algorithm.
- *
- * To keep this table reasonably small, we divide the lexval for TZ and DTZ
- * entries by 10 and truncate the text field at MAXTOKLEN characters.
- * the text field is not guaranteed to be NULL-terminated.
- *
- * Let's include all strings from my current zinc time zone database.
- * Not all of them are unique, or even very understandable, so we will
- * leave some commented out for now.
- */
-static datetkn datetktbl[] = {
-/* text, token, lexval */
- {EARLY, RESERV, DTK_EARLY}, /* "-infinity" reserved for "early time" */
- {"acsst", DTZ, 63}, /* Cent. Australia */
- {"acst", DTZ, NEG(24)}, /* Atlantic/Porto Acre */
- {"act", TZ, NEG(30)}, /* Atlantic/Porto Acre */
- {DA_D, ADBC, AD}, /* "ad" for years >= 0 */
- {"abstime", IGNORE_DTF, 0}, /* for pre-v6.1 "Invalid Abstime" */
- {"adt", DTZ, NEG(18)}, /* Atlantic Daylight Time */
- {"aesst", DTZ, 66}, /* E. Australia */
- {"aest", TZ, 60}, /* Australia Eastern Std Time */
- {"aft", TZ, 27}, /* Kabul */
- {"ahst", TZ, NEG(60)}, /* Alaska-Hawaii Std Time */
- {"akdt", DTZ, NEG(48)}, /* Alaska Daylight Time */
- {"akst", DTZ, NEG(54)}, /* Alaska Standard Time */
- {"allballs", RESERV, DTK_ZULU}, /* 00:00:00 */
- {"almt", TZ, 36}, /* Almaty Time */
- {"almst", TZ, 42}, /* Almaty Savings Time */
- {"am", AMPM, AM},
- {"amst", DTZ, 30}, /* Armenia Summer Time (Yerevan) */
- {"amt", TZ, 24}, /* Armenia Time (Yerevan) */
-#if 0
- {"amst", DTZ, NEG(18)}, /* Porto Velho */
-#endif
- {"anast", DTZ, 78}, /* Anadyr Summer Time (Russia) */
- {"anat", TZ, 72}, /* Anadyr Time (Russia) */
-#if 0
-aqtst
-aqtt
-arst
-#endif
- {"art", TZ, NEG(18)}, /* Argentina Time */
-#if 0
-ashst
-ast /* Atlantic Standard Time, Arabia Standard Time, Acre Standard Time */
-#endif
- {"apr", MONTH, 4},
- {"april", MONTH, 4},
- {"ast", TZ, NEG(24)}, /* Atlantic Std Time (Canada) */
- {"at", IGNORE_DTF, 0}, /* "at" (throwaway) */
- {"aug", MONTH, 8},
- {"august", MONTH, 8},
- {"awsst", DTZ, 54}, /* W. Australia */
- {"awst", TZ, 48}, /* W. Australia */
- {"awt", DTZ, NEG(18)},
- {"azost", DTZ, 0}, /* Azores Summer Time */
- {"azot", TZ, NEG(6)}, /* Azores Time */
- {"azst", DTZ, 30}, /* Azerbaijan Summer Time */
- {"azt", TZ, 24}, /* Azerbaijan Time */
- {DB_C, ADBC, BC}, /* "bc" for years < 0 */
- {"bdst", TZ, 12}, /* British Double Summer Time */
- {"bdt", TZ, 36}, /* Dacca */
- {"bnt", TZ, 48}, /* Brunei Darussalam Time */
- {"bort", TZ, 48}, /* Borneo Time (Indonesia) */
-#if 0
-bortst
-bost
-#endif
- {"bot", TZ, NEG(24)}, /* Bolivia Time */
- {"bra", TZ, NEG(18)}, /* Brazil Time */
-#if 0
-brst
-brt
-#endif
- {"bst", DTZ, 6}, /* British Summer Time */
-#if 0
- {"bst", TZ, NEG(18)}, /* Brazil Standard Time */
- {"bst", DTZ, NEG(66)}, /* Bering Summer Time */
-#endif
- {"bt", TZ, 18}, /* Baghdad Time */
- {"btt", TZ, 36}, /* Bhutan Time */
- {"cadt", DTZ, 63}, /* Central Australian DST */
- {"cast", TZ, 57}, /* Central Australian ST */
- {"cat", TZ, NEG(60)}, /* Central Alaska Time */
- {"cct", TZ, 48}, /* China Coast Time */
-#if 0
- {"cct", TZ, 39}, /* Indian Cocos (Island) Time */
-#endif
- {"cdt", DTZ, NEG(30)}, /* Central Daylight Time */
- {"cest", DTZ, 12}, /* Central European Dayl.Time */
- {"cet", TZ, 6}, /* Central European Time */
- {"cetdst", DTZ, 12}, /* Central European Dayl.Time */
-#if 0
- {"chadt", DTZ, 82}, /* Chatham Island Daylight Time (13:45? set to 13:40) */
- {"chast", TZ, 76}, /* Chatham Island Time (12:45? set to 12:40) */
-ckhst
-#endif
- {"ckt", TZ, 72}, /* Cook Islands Time */
- {"clst", DTZ, NEG(18)}, /* Chile Summer Time */
- {"clt", TZ, NEG(24)}, /* Chile Time */
-#if 0
-cost
-#endif
- {"cot", TZ, NEG(30)}, /* Columbia Time */
- {"cst", TZ, NEG(36)}, /* Central Standard Time */
-#if 0
-cvst
-#endif
- {"cvt", TZ, 42}, /* Christmas Island Time (Indian Ocean) */
- {"cxt", TZ, 42}, /* Christmas Island Time (Indian Ocean) */
- {DCURRENT, RESERV, DTK_CURRENT}, /* "current" is always now */
- {"d", UNITS, DTK_DAY}, /* "day of month" for ISO input */
- {"davt", TZ, 42}, /* Davis Time (Antarctica) */
- {"ddut", TZ, 60}, /* Dumont-d'Urville Time (Antarctica) */
- {"dec", MONTH, 12},
- {"december", MONTH, 12},
- {"dnt", TZ, 6}, /* Dansk Normal Tid */
- {"dow", RESERV, DTK_DOW}, /* day of week */
- {"doy", RESERV, DTK_DOY}, /* day of year */
- {"dst", DTZMOD, 6},
-#if 0
- {"dusst", DTZ, 36}, /* Dushanbe Summer Time */
-#endif
- {"easst", DTZ, NEG(30)}, /* Easter Island Summer Time */
- {"east", TZ, NEG(36)}, /* Easter Island Time */
- {"eat", TZ, 18}, /* East Africa Time */
-#if 0
- {"east", DTZ, 24}, /* Indian Antananarivo Savings Time */
- {"eat", TZ, 18}, /* Indian Antananarivo Time */
- {"ect", TZ, NEG(24)}, /* Eastern Caribbean Time */
- {"ect", TZ, NEG(30)}, /* Ecuador Time */
-#endif
- {"edt", DTZ, NEG(24)}, /* Eastern Daylight Time */
- {"eest", DTZ, 18}, /* Eastern Europe Summer Time */
- {"eet", TZ, 12}, /* East. Europe, USSR Zone 1 */
- {"eetdst", DTZ, 18}, /* Eastern Europe Daylight Time */
- {"egst", DTZ, 0}, /* East Greenland Summer Time */
- {"egt", TZ, NEG(6)}, /* East Greenland Time */
-#if 0
-ehdt
-#endif
- {EPOCH, RESERV, DTK_EPOCH}, /* "epoch" reserved for system epoch time */
- {"est", TZ, NEG(30)}, /* Eastern Standard Time */
- {"feb", MONTH, 2},
- {"february", MONTH, 2},
- {"fjst", DTZ, NEG(78)}, /* Fiji Summer Time (13 hour offset!) */
- {"fjt", TZ, NEG(72)}, /* Fiji Time */
- {"fkst", DTZ, NEG(18)}, /* Falkland Islands Summer Time */
- {"fkt", TZ, NEG(12)}, /* Falkland Islands Time */
-#if 0
-fnst
-fnt
-#endif
- {"fri", DOW, 5},
- {"friday", DOW, 5},
- {"fst", TZ, 6}, /* French Summer Time */
- {"fwt", DTZ, 12}, /* French Winter Time */
- {"galt", TZ, NEG(36)}, /* Galapagos Time */
- {"gamt", TZ, NEG(54)}, /* Gambier Time */
- {"gest", DTZ, 30}, /* Georgia Summer Time */
- {"get", TZ, 24}, /* Georgia Time */
- {"gft", TZ, NEG(18)}, /* French Guiana Time */
-#if 0
-ghst
-#endif
- {"gilt", TZ, 72}, /* Gilbert Islands Time */
- {"gmt", TZ, 0}, /* Greenwish Mean Time */
- {"gst", TZ, 60}, /* Guam Std Time, USSR Zone 9 */
- {"gyt", TZ, NEG(24)}, /* Guyana Time */
- {"h", UNITS, DTK_HOUR}, /* "hour" */
-#if 0
-hadt
-hast
-#endif
- {"hdt", DTZ, NEG(54)}, /* Hawaii/Alaska Daylight Time */
-#if 0
-hkst
-#endif
- {"hkt", TZ, 48}, /* Hong Kong Time */
-#if 0
- {"hmt", TZ, 18}, /* Hellas ? ? */
-hovst
-hovt
-#endif
- {"hst", TZ, NEG(60)}, /* Hawaii Std Time */
-#if 0
-hwt
-#endif
- {"ict", TZ, 42}, /* Indochina Time */
- {"idle", TZ, 72}, /* Intl. Date Line, East */
- {"idlw", TZ, NEG(72)}, /* Intl. Date Line, West */
-#if 0
-idt /* Israeli, Iran, Indian Daylight Time */
-#endif
- {LATE, RESERV, DTK_LATE}, /* "infinity" reserved for "late time" */
- {INVALID, RESERV, DTK_INVALID}, /* "invalid" reserved for bad time */
- {"iot", TZ, 30}, /* Indian Chagos Time */
- {"irkst", DTZ, 54}, /* Irkutsk Summer Time */
- {"irkt", TZ, 48}, /* Irkutsk Time */
- {"irt", TZ, 21}, /* Iran Time */
-#if 0
-isst
-#endif
- {"ist", TZ, 12}, /* Israel */
- {"it", TZ, 21}, /* Iran Time */
- {"j", UNITS, DTK_JULIAN},
- {"jan", MONTH, 1},
- {"january", MONTH, 1},
- {"javt", TZ, 42}, /* Java Time (07:00? see JT) */
- {"jayt", TZ, 54}, /* Jayapura Time (Indonesia) */
- {"jd", UNITS, DTK_JULIAN},
- {"jst", TZ, 54}, /* Japan Std Time,USSR Zone 8 */
- {"jt", TZ, 45}, /* Java Time (07:30? see JAVT) */
- {"jul", MONTH, 7},
- {"julian", UNITS, DTK_JULIAN},
- {"july", MONTH, 7},
- {"jun", MONTH, 6},
- {"june", MONTH, 6},
- {"kdt", DTZ, 60}, /* Korea Daylight Time */
- {"kgst", DTZ, 36}, /* Kyrgyzstan Summer Time */
- {"kgt", TZ, 30}, /* Kyrgyzstan Time */
- {"kost", TZ, 72}, /* Kosrae Time */
- {"krast", DTZ, 42}, /* Krasnoyarsk Summer Time */
- {"krat", TZ, 48}, /* Krasnoyarsk Standard Time */
- {"kst", TZ, 54}, /* Korea Standard Time */
- {"lhdt", DTZ, 66}, /* Lord Howe Daylight Time, Australia */
- {"lhst", TZ, 63}, /* Lord Howe Standard Time, Australia */
- {"ligt", TZ, 60}, /* From Melbourne, Australia */
- {"lint", TZ, 84}, /* Line Islands Time (Kiribati; +14 hours!) */
- {"lkt", TZ, 36}, /* Lanka Time */
- {"m", UNITS, DTK_MONTH}, /* "month" for ISO input */
- {"magst", DTZ, 72}, /* Magadan Summer Time */
- {"magt", TZ, 66}, /* Magadan Time */
- {"mar", MONTH, 3},
- {"march", MONTH, 3},
- {"mart", TZ, NEG(57)}, /* Marquesas Time */
- {"mawt", TZ, 36}, /* Mawson, Antarctica */
- {"may", MONTH, 5},
- {"mdt", DTZ, NEG(36)}, /* Mountain Daylight Time */
- {"mest", DTZ, 12}, /* Middle Europe Summer Time */
- {"met", TZ, 6}, /* Middle Europe Time */
- {"metdst", DTZ, 12}, /* Middle Europe Daylight Time */
- {"mewt", TZ, 6}, /* Middle Europe Winter Time */
- {"mez", TZ, 6}, /* Middle Europe Zone */
- {"mht", TZ, 72}, /* Kwajalein */
- {"mm", UNITS, DTK_MINUTE}, /* "minute" for ISO input */
- {"mmt", TZ, 39}, /* Myannar Time */
- {"mon", DOW, 1},
- {"monday", DOW, 1},
-#if 0
-most
-#endif
- {"mpt", TZ, 60}, /* North Mariana Islands Time */
- {"msd", DTZ, 24}, /* Moscow Summer Time */
- {"msk", TZ, 18}, /* Moscow Time */
- {"mst", TZ, NEG(42)}, /* Mountain Standard Time */
- {"mt", TZ, 51}, /* Moluccas Time */
- {"mut", TZ, 24}, /* Mauritius Island Time */
- {"mvt", TZ, 30}, /* Maldives Island Time */
- {"myt", TZ, 48}, /* Malaysia Time */
-#if 0
-ncst
-#endif
- {"nct", TZ, 66}, /* New Caledonia Time */
- {"ndt", DTZ, NEG(15)}, /* Nfld. Daylight Time */
- {"nft", TZ, NEG(21)}, /* Newfoundland Standard Time */
- {"nor", TZ, 6}, /* Norway Standard Time */
- {"nov", MONTH, 11},
- {"november", MONTH, 11},
- {"novst", DTZ, 42}, /* Novosibirsk Summer Time */
- {"novt", TZ, 36}, /* Novosibirsk Standard Time */
- {NOW, RESERV, DTK_NOW}, /* current transaction time */
- {"nst", TZ, NEG(21)}, /* Nfld. Standard Time */
- {"nt", TZ, NEG(66)}, /* Nome Time */
- {"nut", TZ, NEG(66)}, /* Niue Time */
- {"nzdt", DTZ, 78}, /* New Zealand Daylight Time */
- {"nzst", TZ, 72}, /* New Zealand Standard Time */
- {"nzt", TZ, 72}, /* New Zealand Time */
- {"oct", MONTH, 10},
- {"october", MONTH, 10},
- {"omsst", DTZ, 42}, /* Omsk Summer Time */
- {"omst", TZ, 36}, /* Omsk Time */
- {"on", IGNORE_DTF, 0}, /* "on" (throwaway) */
- {"pdt", DTZ, NEG(42)}, /* Pacific Daylight Time */
-#if 0
-pest
-#endif
- {"pet", TZ, NEG(30)}, /* Peru Time */
- {"petst", DTZ, 78}, /* Petropavlovsk-Kamchatski Summer Time */
- {"pett", TZ, 72}, /* Petropavlovsk-Kamchatski Time */
- {"pgt", TZ, 60}, /* Papua New Guinea Time */
- {"phot", TZ, 78}, /* Phoenix Islands (Kiribati) Time */
-#if 0
-phst
-#endif
- {"pht", TZ, 48}, /* Phillipine Time */
- {"pkt", TZ, 30}, /* Pakistan Time */
- {"pm", AMPM, PM},
- {"pmdt", DTZ, NEG(12)}, /* Pierre & Miquelon Daylight Time */
-#if 0
-pmst
-#endif
- {"pont", TZ, 66}, /* Ponape Time (Micronesia) */
- {"pst", TZ, NEG(48)}, /* Pacific Standard Time */
- {"pwt", TZ, 54}, /* Palau Time */
- {"pyst", DTZ, NEG(18)}, /* Paraguay Summer Time */
- {"pyt", TZ, NEG(24)}, /* Paraguay Time */
- {"ret", DTZ, 24}, /* Reunion Island Time */
- {"s", UNITS, DTK_SECOND}, /* "seconds" for ISO input */
- {"sadt", DTZ, 63}, /* S. Australian Dayl. Time */
-#if 0
-samst
-samt
-#endif
- {"sast", TZ, 57}, /* South Australian Std Time */
- {"sat", DOW, 6},
- {"saturday", DOW, 6},
-#if 0
-sbt
-#endif
- {"sct", DTZ, 24}, /* Mahe Island Time */
- {"sep", MONTH, 9},
- {"sept", MONTH, 9},
- {"september", MONTH, 9},
- {"set", TZ, NEG(6)}, /* Seychelles Time ?? */
-#if 0
-sgt
-#endif
- {"sst", DTZ, 12}, /* Swedish Summer Time */
- {"sun", DOW, 0},
- {"sunday", DOW, 0},
- {"swt", TZ, 6}, /* Swedish Winter Time */
-#if 0
-syot
-#endif
- {"t", ISOTIME, DTK_TIME}, /* Filler for ISO time fields */
- {"that", TZ, NEG(60)}, /* Tahiti Time */
- {"tft", TZ, 30}, /* Kerguelen Time */
- {"thu", DOW, 4},
- {"thur", DOW, 4},
- {"thurs", DOW, 4},
- {"thursday", DOW, 4},
- {"tjt", TZ, 30}, /* Tajikistan Time */
- {"tkt", TZ, NEG(60)}, /* Tokelau Time */
- {"tmt", TZ, 30}, /* Turkmenistan Time */
- {TODAY, RESERV, DTK_TODAY}, /* midnight */
- {TOMORROW, RESERV, DTK_TOMORROW}, /* tomorrow midnight */
-#if 0
-tost
-#endif
- {"tot", TZ, 78}, /* Tonga Time */
-#if 0
-tpt
-#endif
- {"truk", TZ, 60}, /* Truk Time */
- {"tue", DOW, 2},
- {"tues", DOW, 2},
- {"tuesday", DOW, 2},
- {"tvt", TZ, 72}, /* Tuvalu Time */
-#if 0
-uct
-#endif
- {"ulast", DTZ, 54}, /* Ulan Bator Summer Time */
- {"ulat", TZ, 48}, /* Ulan Bator Time */
- {"undefined", RESERV, DTK_INVALID}, /* pre-v6.1 invalid time */
- {"ut", TZ, 0},
- {"utc", TZ, 0},
- {"uyst", DTZ, NEG(12)}, /* Uruguay Summer Time */
- {"uyt", TZ, NEG(18)}, /* Uruguay Time */
- {"uzst", DTZ, 36}, /* Uzbekistan Summer Time */
- {"uzt", TZ, 30}, /* Uzbekistan Time */
- {"vet", TZ, NEG(24)}, /* Venezuela Time */
- {"vlast", DTZ, 66}, /* Vladivostok Summer Time */
- {"vlat", TZ, 60}, /* Vladivostok Time */
-#if 0
-vust
-#endif
- {"vut", TZ, 66}, /* Vanuata Time */
- {"wadt", DTZ, 48}, /* West Australian DST */
- {"wakt", TZ, 72}, /* Wake Time */
-#if 0
-warst
-#endif
- {"wast", TZ, 42}, /* West Australian Std Time */
- {"wat", TZ, NEG(6)}, /* West Africa Time */
- {"wdt", DTZ, 54}, /* West Australian DST */
- {"wed", DOW, 3},
- {"wednesday", DOW, 3},
- {"weds", DOW, 3},
- {"west", DTZ, 6}, /* Western Europe Summer Time */
- {"wet", TZ, 0}, /* Western Europe */
- {"wetdst", DTZ, 6}, /* Western Europe Daylight Savings Time */
- {"wft", TZ, 72}, /* Wallis and Futuna Time */
- {"wgst", DTZ, NEG(12)}, /* West Greenland Summer Time */
- {"wgt", TZ, NEG(18)}, /* West Greenland Time */
- {"wst", TZ, 48}, /* West Australian Standard Time */
- {"y", UNITS, DTK_YEAR}, /* "year" for ISO input */
- {"yakst", DTZ, 60}, /* Yakutsk Summer Time */
- {"yakt", TZ, 54}, /* Yakutsk Time */
- {"yapt", TZ, 60}, /* Yap Time (Micronesia) */
- {"ydt", DTZ, NEG(48)}, /* Yukon Daylight Time */
- {"yekst", DTZ, 36}, /* Yekaterinburg Summer Time */
- {"yekt", TZ, 30}, /* Yekaterinburg Time */
- {YESTERDAY, RESERV, DTK_YESTERDAY}, /* yesterday midnight */
- {"yst", TZ, NEG(54)}, /* Yukon Standard Time */
- {"z", TZ, 0}, /* time zone tag per ISO-8601 */
- {"zp4", TZ, NEG(24)}, /* UTC +4 hours. */
- {"zp5", TZ, NEG(30)}, /* UTC +5 hours. */
- {"zp6", TZ, NEG(36)}, /* UTC +6 hours. */
- {ZULU, TZ, 0}, /* UTC */
-};
-
-static unsigned int szdatetktbl = sizeof datetktbl / sizeof datetktbl[0];
-
-/* Used for SET australian_timezones to override North American ones */
-static datetkn australian_datetktbl[] = {
- {"acst", TZ, 57}, /* Cent. Australia */
- {"cst", TZ, 63}, /* Australia Central Std Time */
- {"east", TZ, 60}, /* East Australian Std Time */
- {"est", TZ, 60}, /* Australia Eastern Std Time */
- {"sat", TZ, 57},
-};
-
-static unsigned int australian_szdatetktbl = sizeof australian_datetktbl /
-sizeof australian_datetktbl[0];
-
-static datetkn deltatktbl[] = {
- /* text, token, lexval */
- {"@", IGNORE_DTF, 0}, /* postgres relative prefix */
- {DAGO, AGO, 0}, /* "ago" indicates negative time offset */
- {"c", UNITS, DTK_CENTURY}, /* "century" relative */
- {"cent", UNITS, DTK_CENTURY}, /* "century" relative */
- {"centuries", UNITS, DTK_CENTURY}, /* "centuries" relative */
- {DCENTURY, UNITS, DTK_CENTURY}, /* "century" relative */
- {"d", UNITS, DTK_DAY}, /* "day" relative */
- {DDAY, UNITS, DTK_DAY}, /* "day" relative */
- {"days", UNITS, DTK_DAY}, /* "days" relative */
- {"dec", UNITS, DTK_DECADE}, /* "decade" relative */
- {"decs", UNITS, DTK_DECADE}, /* "decades" relative */
- {DDECADE, UNITS, DTK_DECADE}, /* "decade" relative */
- {"decades", UNITS, DTK_DECADE}, /* "decades" relative */
- {"h", UNITS, DTK_HOUR}, /* "hour" relative */
- {DHOUR, UNITS, DTK_HOUR}, /* "hour" relative */
- {"hours", UNITS, DTK_HOUR}, /* "hours" relative */
- {"hr", UNITS, DTK_HOUR}, /* "hour" relative */
- {"hrs", UNITS, DTK_HOUR}, /* "hours" relative */
- {INVALID, RESERV, DTK_INVALID}, /* reserved for invalid time */
- {"m", UNITS, DTK_MINUTE}, /* "minute" relative */
- {"microsecon", UNITS, DTK_MICROSEC}, /* "microsecond" relative */
- {"mil", UNITS, DTK_MILLENNIUM}, /* "millennium" relative */
- {"millennia", UNITS, DTK_MILLENNIUM}, /* "millennia" relative */
- {DMILLENNIUM, UNITS, DTK_MILLENNIUM}, /* "millennium" relative */
- {"millisecon", UNITS, DTK_MILLISEC}, /* relative */
- {"mils", UNITS, DTK_MILLENNIUM}, /* "millennia" relative */
- {"min", UNITS, DTK_MINUTE}, /* "minute" relative */
- {"mins", UNITS, DTK_MINUTE}, /* "minutes" relative */
- {"mins", UNITS, DTK_MINUTE}, /* "minutes" relative */
- {DMINUTE, UNITS, DTK_MINUTE}, /* "minute" relative */
- {"minutes", UNITS, DTK_MINUTE}, /* "minutes" relative */
- {"mon", UNITS, DTK_MONTH}, /* "months" relative */
- {"mons", UNITS, DTK_MONTH}, /* "months" relative */
- {DMONTH, UNITS, DTK_MONTH}, /* "month" relative */
- {"months", UNITS, DTK_MONTH},
- {"ms", UNITS, DTK_MILLISEC},
- {"msec", UNITS, DTK_MILLISEC},
- {DMILLISEC, UNITS, DTK_MILLISEC},
- {"mseconds", UNITS, DTK_MILLISEC},
- {"msecs", UNITS, DTK_MILLISEC},
- {"qtr", UNITS, DTK_QUARTER}, /* "quarter" relative */
- {DQUARTER, UNITS, DTK_QUARTER}, /* "quarter" relative */
- {"reltime", IGNORE_DTF, 0}, /* pre-v6.1 "Undefined Reltime" */
- {"s", UNITS, DTK_SECOND},
- {"sec", UNITS, DTK_SECOND},
- {DSECOND, UNITS, DTK_SECOND},
- {"seconds", UNITS, DTK_SECOND},
- {"secs", UNITS, DTK_SECOND},
- {DTIMEZONE, UNITS, DTK_TZ}, /* "timezone" time offset */
- {"timezone", UNITS, DTK_TZ}, /* "timezone" time offset */
- {"timezone_h", UNITS, DTK_TZ_HOUR}, /* timezone hour units */
- {"timezone_m", UNITS, DTK_TZ_MINUTE}, /* timezone minutes units */
- {"undefined", RESERV, DTK_INVALID}, /* pre-v6.1 invalid time */
- {"us", UNITS, DTK_MICROSEC}, /* "microsecond" relative */
- {"usec", UNITS, DTK_MICROSEC}, /* "microsecond" relative */
- {DMICROSEC, UNITS, DTK_MICROSEC}, /* "microsecond" relative */
- {"useconds", UNITS, DTK_MICROSEC}, /* "microseconds" relative */
- {"usecs", UNITS, DTK_MICROSEC}, /* "microseconds" relative */
- {"w", UNITS, DTK_WEEK}, /* "week" relative */
- {DWEEK, UNITS, DTK_WEEK}, /* "week" relative */
- {"weeks", UNITS, DTK_WEEK}, /* "weeks" relative */
- {"y", UNITS, DTK_YEAR}, /* "year" relative */
- {DYEAR, UNITS, DTK_YEAR}, /* "year" relative */
- {"years", UNITS, DTK_YEAR}, /* "years" relative */
- {"yr", UNITS, DTK_YEAR}, /* "year" relative */
- {"yrs", UNITS, DTK_YEAR}, /* "years" relative */
-};
-
-static unsigned int szdeltatktbl = sizeof deltatktbl / sizeof deltatktbl[0];
-
-datetkn *datecache[MAXDATEFIELDS] = {NULL};
-
-datetkn *deltacache[MAXDATEFIELDS] = {NULL};
-
-
-/*
- * Calendar time to Julian date conversions.
- * Julian date is commonly used in astronomical applications,
- * since it is numerically accurate and computationally simple.
- * The algorithms here will accurately convert between Julian day
- * and calendar date for all non-negative Julian days
- * (i.e. from Nov 23, -4713 on).
- *
- * Ref: Explanatory Supplement to the Astronomical Almanac, 1992.
- * University Science Books, 20 Edgehill Rd. Mill Valley CA 94941.
- *
- * Use the algorithm by Henry Fliegel, a former NASA/JPL colleague
- * now at Aerospace Corp. (hi, Henry!)
- *
- * These routines will be used by other date/time packages
- * - thomas 97/02/25
- */
-
-int
-date2j(int y, int m, int d)
-{
- int m12 = (m - 14) / 12;
-
- return ((1461 * (y + 4800 + m12)) / 4
- + (367 * (m - 2 - 12 * (m12))) / 12
- - (3 * ((y + 4900 + m12) / 100)) / 4
- + d - 32075);
-} /* date2j() */
-
-void
-j2date(int jd, int *year, int *month, int *day)
-{
- int j,
- y,
- m,
- d;
-
- int i,
- l,
- n;
-
- l = jd + 68569;
- n = (4 * l) / 146097;
- l -= (146097 * n + 3) / 4;
- i = (4000 * (l + 1)) / 1461001;
- l += 31 - (1461 * i) / 4;
- j = (80 * l) / 2447;
- d = l - (2447 * j) / 80;
- l = j / 11;
- m = (j + 2) - (12 * l);
- y = 100 * (n - 49) + i + l;
-
- *year = y;
- *month = m;
- *day = d;
- return;
-} /* j2date() */
-
-int
-j2day(int date)
-{
- int day;
-
- day = (date + 1) % 7;
-
- return day;
-} /* j2day() */
-
-
-/* TrimTrailingZeros()
- * ... resulting from printing numbers with full precision.
- */
-void
-TrimTrailingZeros(char *str)
-{
- int len = strlen(str);
-
-#if 0
- /* chop off trailing one to cope with interval rounding */
- if (strcmp((str + len - 4), "0001") == 0)
- {
- len -= 4;
- *(str + len) = '\0';
- }
-#endif
-
- /* chop off trailing zeros... */
- while ((*(str + len - 1) == '0')
- && (*(str + len - 3) != '.'))
- {
- len--;
- *(str + len) = '\0';
- }
- return;
-}
-
-
-/* ParseDateTime()
- * Break string into tokens based on a date/time context.
- * Several field types are assigned:
- * DTK_NUMBER - digits and (possibly) a decimal point
- * DTK_DATE - digits and two delimiters, or digits and text
- * DTK_TIME - digits, colon delimiters, and possibly a decimal point
- * DTK_STRING - text (no digits)
- * DTK_SPECIAL - leading "+" or "-" followed by text
- * DTK_TZ - leading "+" or "-" followed by digits
- * Note that some field types can hold unexpected items:
- * DTK_NUMBER can hold date fields (yy.ddd)
- * DTK_STRING can hold months (January) and time zones (PST)
- * DTK_DATE can hold Posix time zones (GMT-8)
- */
-int
-ParseDateTime(char *timestr, char *lowstr,
- char **field, int *ftype, int maxfields, int *numfields)
-{
- int nf = 0;
- char *cp = timestr;
- char *lp = lowstr;
-
- /* outer loop through fields */
- while (*cp != '\0')
- {
- field[nf] = lp;
-
- /* leading digit? then date or time */
- if (isdigit((unsigned char) *cp))
- {
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp))
- *lp++ = *cp++;
-
- /* time field? */
- if (*cp == ':')
- {
- ftype[nf] = DTK_TIME;
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp) ||
- (*cp == ':') || (*cp == '.'))
- *lp++ = *cp++;
- }
- /* date field? allow embedded text month */
- else if ((*cp == '-') || (*cp == '/') || (*cp == '.'))
- {
- /* save delimiting character to use later */
- char *dp = cp;
-
- *lp++ = *cp++;
- /* second field is all digits? then no embedded text month */
- if (isdigit((unsigned char) *cp))
- {
- ftype[nf] = ((*dp == '.')? DTK_NUMBER: DTK_DATE);
- while (isdigit((unsigned char) *cp))
- *lp++ = *cp++;
-
- /* insist that the delimiters match to get a three-field date. */
- if (*cp == *dp)
- {
- ftype[nf] = DTK_DATE;
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp) || (*cp == *dp))
- *lp++ = *cp++;
- }
- }
- else
- {
- ftype[nf] = DTK_DATE;
- while (isalnum((unsigned char) *cp) || (*cp == *dp))
- *lp++ = tolower((unsigned char) *cp++);
- }
- }
- /* otherwise, number only and will determine
- * year, month, day, or concatenated fields later...
- */
- else
- {
- ftype[nf] = DTK_NUMBER;
- }
- }
- /* Leading decimal point? Then fractional seconds... */
- else if (*cp == '.')
- {
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp))
- *lp++ = *cp++;
-
- ftype[nf] = DTK_NUMBER;
- }
- /*
- * text? then date string, month, day of week, special, or
- * timezone
- */
- else if (isalpha((unsigned char) *cp))
- {
- ftype[nf] = DTK_STRING;
- *lp++ = tolower((unsigned char) *cp++);
- while (isalpha((unsigned char) *cp))
- *lp++ = tolower((unsigned char) *cp++);
-
- /*
- * Full date string with leading text month? Could also be a
- * POSIX time zone...
- */
- if ((*cp == '-') || (*cp == '/') || (*cp == '.'))
- {
- char *dp = cp;
-
- ftype[nf] = DTK_DATE;
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp) || (*cp == *dp))
- *lp++ = *cp++;
- }
- }
- /* skip leading spaces */
- else if (isspace((unsigned char) *cp))
- {
- cp++;
- continue;
- }
- /* sign? then special or numeric timezone */
- else if ((*cp == '+') || (*cp == '-'))
- {
- *lp++ = *cp++;
- /* soak up leading whitespace */
- while (isspace((unsigned char) *cp))
- cp++;
- /* numeric timezone? */
- if (isdigit((unsigned char) *cp))
- {
- ftype[nf] = DTK_TZ;
- *lp++ = *cp++;
- while (isdigit((unsigned char) *cp) ||
- (*cp == ':') || (*cp == '.'))
- *lp++ = *cp++;
- }
- /* special? */
- else if (isalpha((unsigned char) *cp))
- {
- ftype[nf] = DTK_SPECIAL;
- *lp++ = tolower((unsigned char) *cp++);
- while (isalpha((unsigned char) *cp))
- *lp++ = tolower((unsigned char) *cp++);
- }
- /* otherwise something wrong... */
- else
- {
- return -1;
- }
- }
- /* ignore punctuation but use as delimiter */
- else if (ispunct((unsigned char) *cp))
- {
- cp++;
- continue;
-
- }
- /* otherwise, something is not right... */
- else
- {
- return -1;
- }
-
- /* force in a delimiter after each field */
- *lp++ = '\0';
- nf++;
- if (nf > MAXDATEFIELDS)
- return -1;
- }
-
- *numfields = nf;
-
- return 0;
-} /* ParseDateTime() */
-
-
-/* DecodeDateTime()
- * Interpret previously parsed fields for general date and time.
- * Return 0 if full date, 1 if only time, and -1 if problems.
- * External format(s):
- * "<weekday> <month>-<day>-<year> <hour>:<minute>:<second>"
- * "Fri Feb-7-1997 15:23:27"
- * "Feb-7-1997 15:23:27"
- * "2-7-1997 15:23:27"
- * "1997-2-7 15:23:27"
- * "1997.038 15:23:27" (day of year 1-366)
- * Also supports input in compact time:
- * "970207 152327"
- * "97038 152327"
- * "20011225T040506.789-07"
- *
- * Use the system-provided functions to get the current time zone
- * if not specified in the input string.
- * If the date is outside the time_t system-supported time range,
- * then assume UTC time zone. - thomas 1997-05-27
- */
-int
-DecodeDateTime(char **field, int *ftype, int nf,
- int *dtype, struct tm * tm, fsec_t *fsec, int *tzp)
-{
- int fmask = 0,
- tmask,
- type;
- int ptype = 0; /* "prefix type" for ISO y2001m02d04 format */
- int i;
- int val;
- int mer = HR24;
- int haveTextMonth = FALSE;
- int is2digits = FALSE;
- int bc = FALSE;
-
- /***
- * We'll insist on at least all of the date fields, but initialize the
- * remaining fields in case they are not set later...
- ***/
- *dtype = DTK_DATE;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- *fsec = 0;
- /* don't know daylight savings time status apriori */
- tm->tm_isdst = -1;
- if (tzp != NULL)
- *tzp = 0;
-
- for (i = 0; i < nf; i++)
- {
- switch (ftype[i])
- {
- case DTK_DATE:
- /***
- * Integral julian day with attached time zone?
- * All other forms with JD will be separated into
- * distinct fields, so we handle just this case here.
- ***/
- if (ptype == DTK_JULIAN)
- {
- char *cp;
- int val;
-
- if (tzp == NULL)
- return -1;
-
- val = strtol(field[i], &cp, 10);
- if (*cp != '-')
- return -1;
-
- j2date(val, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- /* Get the time zone from the end of the string */
- if (DecodeTimezone(cp, tzp) != 0)
- return -1;
-
- tmask = DTK_DATE_M | DTK_TIME_M | DTK_M(TZ);
- ptype = 0;
- break;
- }
- /***
- * Already have a date? Then this might be a POSIX time
- * zone with an embedded dash (e.g. "PST-3" == "EST") or
- * a run-together time with trailing time zone (e.g. hhmmss-zz).
- * - thomas 2001-12-25
- ***/
- else if (((fmask & DTK_DATE_M) == DTK_DATE_M)
- || (ptype != 0))
- {
- /* No time zone accepted? Then quit... */
- if (tzp == NULL)
- return -1;
-
- if (isdigit((unsigned char) *field[i]) || ptype != 0)
- {
- char *cp;
-
- if (ptype != 0)
- {
- /* Sanity check; should not fail this test */
- if (ptype != DTK_TIME)
- return -1;
- ptype = 0;
- }
-
- /* Starts with a digit but we already have a time field?
- * Then we are in trouble with a date and time already...
- */
- if ((fmask & DTK_TIME_M) == DTK_TIME_M)
- return -1;
-
- if ((cp = strchr(field[i], '-')) == NULL)
- return -1;
-
- /* Get the time zone from the end of the string */
- if (DecodeTimezone(cp, tzp) != 0)
- return -1;
- *cp = '\0';
-
- /* Then read the rest of the field as a concatenated time */
- if ((ftype[i] = DecodeNumberField(strlen(field[i]), field[i], fmask,
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
-
- /* modify tmask after returning from DecodeNumberField() */
- tmask |= DTK_M(TZ);
- }
- else
- {
- if (DecodePosixTimezone(field[i], tzp) != 0)
- return -1;
-
- ftype[i] = DTK_TZ;
- tmask = DTK_M(TZ);
- }
- }
- else if (DecodeDate(field[i], fmask, &tmask, tm) != 0)
- {
- return -1;
- }
- break;
-
- case DTK_TIME:
- if (DecodeTime(field[i], fmask, &tmask, tm, fsec) != 0)
- return -1;
-
- /*
- * Check upper limit on hours; other limits checked in
- * DecodeTime()
- */
- if (tm->tm_hour > 23)
- return -1;
- break;
-
- case DTK_TZ:
- {
- int tz;
-
- if (tzp == NULL)
- return -1;
-
- if (DecodeTimezone(field[i], &tz) != 0)
- return -1;
-
- /*
- * Already have a time zone? Then maybe this is the
- * second field of a POSIX time: EST+3 (equivalent to
- * PST)
- */
- if ((i > 0) && ((fmask & DTK_M(TZ)) != 0)
- && (ftype[i - 1] == DTK_TZ)
- && (isalpha((unsigned char) *field[i - 1])))
- {
- *tzp -= tz;
- tmask = 0;
- }
- else
- {
- *tzp = tz;
- tmask = DTK_M(TZ);
- }
- }
- break;
-
- case DTK_NUMBER:
- /*
- * Was this an "ISO date" with embedded field labels? An
- * example is "y2001m02d04" - thomas 2001-02-04
- */
- if (ptype != 0)
- {
- char *cp;
- int val;
-
- val = strtol(field[i], &cp, 10);
- /* only a few kinds are allowed to have an embedded decimal */
- if (*cp == '.')
- switch (ptype)
- {
- case DTK_JULIAN:
- case DTK_TIME:
- case DTK_SECOND:
- break;
- default:
- return 1;
- break;
- }
- else if (*cp != '\0')
- return -1;
-
- switch (ptype)
- {
- case DTK_YEAR:
- tm->tm_year = val;
- tmask = DTK_M(YEAR);
- break;
-
- case DTK_MONTH:
- /* already have a month and hour? then assume minutes */
- if (((fmask & DTK_M(MONTH)) != 0)
- && ((fmask & DTK_M(HOUR)) != 0))
- {
- tm->tm_min = val;
- tmask = DTK_M(MINUTE);
- }
- else
- {
- tm->tm_mon = val;
- tmask = DTK_M(MONTH);
- }
- break;
-
- case DTK_DAY:
- tm->tm_mday = val;
- tmask = DTK_M(DAY);
- break;
-
- case DTK_HOUR:
- tm->tm_hour = val;
- tmask = DTK_M(HOUR);
- break;
-
- case DTK_MINUTE:
- tm->tm_min = val;
- tmask = DTK_M(MINUTE);
- break;
-
- case DTK_SECOND:
- tm->tm_sec = val;
- tmask = DTK_M(SECOND);
- if (*cp == '.')
- {
- double frac;
- frac = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec = frac * 1000000;
-#else
- *fsec = frac;
-#endif
- }
- break;
-
- case DTK_TZ:
- tmask = DTK_M(TZ);
- if (DecodeTimezone(field[i], tzp) != 0)
- return -1;
- break;
-
- case DTK_JULIAN:
- /***
- * previous field was a label for "julian date"?
- ***/
- tmask = DTK_DATE_M;
- j2date(val, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- /* fractional Julian Day? */
- if (*cp == '.')
- {
- double time;
-
- time = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
-
- tmask |= DTK_TIME_M;
-#ifdef HAVE_INT64_TIMESTAMP
- dt2time((time*86400000000), &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
-#else
- dt2time((time*86400), &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
-#endif
- }
- break;
-
- case DTK_TIME:
- /* previous field was "t" for ISO time */
- if ((ftype[i] = DecodeNumberField(strlen(field[i]), field[i], (fmask | DTK_DATE_M),
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
-
- if (tmask != DTK_TIME_M)
- return -1;
- break;
-
- default:
- return -1;
- break;
- }
-
- ptype = 0;
- *dtype = DTK_DATE;
- }
- else
- {
- char *cp;
- int flen;
-
- flen = strlen(field[i]);
- cp = strchr(field[i], '.');
-
- /* Embedded decimal and no date yet? */
- if ((cp != NULL) && !(fmask & DTK_DATE_M))
- {
- if (DecodeDate(field[i], fmask, &tmask, tm) != 0)
- return -1;
- }
- /* embedded decimal and several digits before? */
- else if ((cp != NULL) && ((flen - strlen(cp)) > 2))
- {
- /* Interpret as a concatenated date or time
- * Set the type field to allow decoding other fields later.
- * Example: 20011223 or 040506
- */
- if ((ftype[i] = DecodeNumberField(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
- }
- else if (flen > 4)
- {
- if ((ftype[i] = DecodeNumberField(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
- }
- /* otherwise it is a single date/time field... */
- else if (DecodeNumber(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits) != 0)
- {
- return -1;
- }
- }
- break;
-
- case DTK_STRING:
- case DTK_SPECIAL:
- type = DecodeSpecial(i, field[i], &val);
- if (type == IGNORE_DTF)
- continue;
-
- tmask = DTK_M(type);
- switch (type)
- {
- case RESERV:
- switch (val)
- {
- case DTK_CURRENT:
- elog(ERROR, "'CURRENT' is no longer supported");
- return -1;
- break;
-
- case DTK_NOW:
- tmask = (DTK_DATE_M | DTK_TIME_M | DTK_M(TZ));
- *dtype = DTK_DATE;
- GetCurrentTimeUsec(tm, fsec);
- if (tzp != NULL)
- *tzp = CTimeZone;
- break;
-
- case DTK_YESTERDAY:
- tmask = DTK_DATE_M;
- *dtype = DTK_DATE;
- GetCurrentDateTime(tm);
- j2date((date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - 1),
- &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- break;
-
- case DTK_TODAY:
- tmask = DTK_DATE_M;
- *dtype = DTK_DATE;
- GetCurrentDateTime(tm);
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- break;
-
- case DTK_TOMORROW:
- tmask = DTK_DATE_M;
- *dtype = DTK_DATE;
- GetCurrentDateTime(tm);
- j2date((date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + 1),
- &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- break;
-
- case DTK_ZULU:
- tmask = (DTK_TIME_M | DTK_M(TZ));
- *dtype = DTK_DATE;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- if (tzp != NULL)
- *tzp = 0;
- break;
-
- default:
- *dtype = val;
- }
-
- break;
-
- case MONTH:
-
- /*
- * already have a (numeric) month? then see if we
- * can substitute...
- */
- if ((fmask & DTK_M(MONTH)) && (!haveTextMonth)
- && (!(fmask & DTK_M(DAY)))
- && ((tm->tm_mon >= 1) && (tm->tm_mon <= 31)))
- {
- tm->tm_mday = tm->tm_mon;
- tmask = DTK_M(DAY);
- }
- haveTextMonth = TRUE;
- tm->tm_mon = val;
- break;
-
- case DTZMOD:
-
- /*
- * daylight savings time modifier (solves "MET
- * DST" syntax)
- */
- tmask |= DTK_M(DTZ);
- tm->tm_isdst = 1;
- if (tzp == NULL)
- return -1;
- *tzp += val * 60;
- break;
-
- case DTZ:
-
- /*
- * set mask for TZ here _or_ check for DTZ later
- * when getting default timezone
- */
- tmask |= DTK_M(TZ);
- tm->tm_isdst = 1;
- if (tzp == NULL)
- return -1;
- *tzp = val * 60;
- ftype[i] = DTK_TZ;
- break;
-
- case TZ:
- tm->tm_isdst = 0;
- if (tzp == NULL)
- return -1;
- *tzp = val * 60;
- ftype[i] = DTK_TZ;
- break;
-
- case IGNORE_DTF:
- break;
-
- case AMPM:
- mer = val;
- break;
-
- case ADBC:
- bc = (val == BC);
- break;
-
- case DOW:
- tm->tm_wday = val;
- break;
-
- case UNITS:
- tmask = 0;
- ptype = val;
- break;
-
- case ISOTIME:
- /* This is a filler field "t"
- * indicating that the next field is time.
- * Try to verify that this is sensible.
- */
- tmask = 0;
-
- /* No preceeding date? Then quit... */
- if ((fmask & DTK_DATE_M) != DTK_DATE_M)
- return -1;
-
- /***
- * We will need one of the following fields:
- * DTK_NUMBER should be hhmmss.fff
- * DTK_TIME should be hh:mm:ss.fff
- * DTK_DATE should be hhmmss-zz
- ***/
- if ((i >= (nf - 1))
- || ((ftype[i + 1] != DTK_NUMBER)
- && (ftype[i + 1] != DTK_TIME)
- && (ftype[i + 1] != DTK_DATE)))
- return -1;
-
- ptype = val;
- break;
-
- default:
- return -1;
- }
- break;
-
- default:
- return -1;
- }
-
- if (tmask & fmask)
- return -1;
- fmask |= tmask;
- }
-
- /* there is no year zero in AD/BC notation; i.e. "1 BC" == year 0 */
- if (bc)
- {
- if (tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year - 1);
- else
- elog(ERROR, "Inconsistent use of year %04d and 'BC'", tm->tm_year);
- }
- else if (is2digits)
- {
- if (tm->tm_year < 70)
- tm->tm_year += 2000;
- else if (tm->tm_year < 100)
- tm->tm_year += 1900;
- }
-
- if ((mer != HR24) && (tm->tm_hour > 12))
- return -1;
- if ((mer == AM) && (tm->tm_hour == 12))
- tm->tm_hour = 0;
- else if ((mer == PM) && (tm->tm_hour != 12))
- tm->tm_hour += 12;
-
- /* do additional checking for full date specs... */
- if (*dtype == DTK_DATE)
- {
- if ((fmask & DTK_DATE_M) != DTK_DATE_M)
- return ((fmask & DTK_TIME_M) == DTK_TIME_M) ? 1 : -1;
-
- /*
- * check for valid day of month, now that we know for sure the
- * month and year...
- */
- if ((tm->tm_mday < 1)
- || (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]))
- return -1;
-
- /* timezone not specified? then find local timezone if possible */
- if (((fmask & DTK_DATE_M) == DTK_DATE_M)
- && (tzp != NULL) && (!(fmask & DTK_M(TZ))))
- {
- /*
- * daylight savings time modifier but no standard timezone?
- * then error
- */
- if (fmask & DTK_M(DTZMOD))
- return -1;
-
- *tzp = DetermineLocalTimeZone(tm);
- }
- }
-
- return 0;
-} /* DecodeDateTime() */
-
-
-/* DetermineLocalTimeZone()
- * Given a struct tm in which tm_year, tm_mon, tm_mday, tm_hour, tm_min, and
- * tm_sec fields are set, attempt to determine the applicable local zone
- * (ie, regular or daylight-savings time) at that time. Set the struct tm's
- * tm_isdst field accordingly, and return the actual timezone offset.
- *
- * This subroutine exists mainly to centralize uses of mktime() and defend
- * against mktime() bugs on various platforms...
- */
-int
-DetermineLocalTimeZone(struct tm * tm)
-{
- int tz;
-
- if (HasCTZSet)
- tz = CTimeZone;
- else if (IS_VALID_UTIME(tm->tm_year, tm->tm_mon, tm->tm_mday))
- {
-#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
-
- /*
- * Some buggy mktime() implementations may change the
- * year/month/day when given a time right at a DST boundary. To
- * prevent corruption of the caller's data, give mktime() a
- * copy...
- */
- struct tm tt,
- *tmp = &tt;
-
- *tmp = *tm;
- /* change to Unix conventions for year/month */
- tmp->tm_year -= 1900;
- tmp->tm_mon -= 1;
-
- /* indicate timezone unknown */
- tmp->tm_isdst = -1;
-
- mktime(tmp);
-
- tm->tm_isdst = tmp->tm_isdst;
-
-#if defined(HAVE_TM_ZONE)
- /* tm_gmtoff is Sun/DEC-ism */
- if (tmp->tm_isdst >= 0)
- tz = -(tmp->tm_gmtoff);
- else
- tz = 0; /* assume UTC if mktime failed */
-#elif defined(HAVE_INT_TIMEZONE)
- tz = ((tmp->tm_isdst > 0) ? (TIMEZONE_GLOBAL - 3600) : TIMEZONE_GLOBAL);
-#endif /* HAVE_INT_TIMEZONE */
-
-#else /* not (HAVE_TM_ZONE || HAVE_INT_TIMEZONE) */
- tm->tm_isdst = 0;
- tz = CTimeZone;
-#endif
- }
- else
- {
- /* Given date is out of range, so assume UTC */
- tm->tm_isdst = 0;
- tz = 0;
- }
-
- return tz;
-}
-
-
-/* DecodeTimeOnly()
- * Interpret parsed string as time fields only.
- * Note that support for time zone is here for
- * SQL92 TIME WITH TIME ZONE, but it reveals
- * bogosity with SQL92 date/time standards, since
- * we must infer a time zone from current time.
- * - thomas 2000-03-10
- * Allow specifying date to get a better time zone,
- * if time zones are allowed. - thomas 2001-12-26
- */
-int
-DecodeTimeOnly(char **field, int *ftype, int nf,
- int *dtype, struct tm * tm, fsec_t *fsec, int *tzp)
-{
- int fmask = 0,
- tmask,
- type;
- int ptype = 0; /* "prefix type" for ISO h04mm05s06 format */
- int i;
- int val;
- int is2digits = FALSE;
- int mer = HR24;
-
- *dtype = DTK_TIME;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- *fsec = 0;
- /* don't know daylight savings time status apriori */
- tm->tm_isdst = -1;
-
- if (tzp != NULL)
- *tzp = 0;
-
- for (i = 0; i < nf; i++)
- {
- switch (ftype[i])
- {
- case DTK_DATE:
- /* Time zone not allowed?
- * Then should not accept dates or time zones
- * no matter what else!
- */
- if (tzp == NULL)
- return -1;
-
- /* Under limited circumstances, we will accept a date... */
- if ((i == 0) && (nf >= 2)
- && ((ftype[nf-1] == DTK_DATE)
- || (ftype[1] == DTK_TIME)))
- {
- if (DecodeDate(field[i], fmask, &tmask, tm) != 0)
- return -1;
- }
- /* otherwise, this is a time and/or time zone */
- else
- {
- if (isdigit((unsigned char) *field[i]))
- {
- char *cp;
-
- /* Starts with a digit but we already have a time field?
- * Then we are in trouble with time already...
- */
- if ((fmask & DTK_TIME_M) == DTK_TIME_M)
- return -1;
-
- /* Should not get here and fail. Sanity check only... */
- if ((cp = strchr(field[i], '-')) == NULL)
- return -1;
-
- /* Get the time zone from the end of the string */
- if (DecodeTimezone(cp, tzp) != 0)
- return -1;
- *cp = '\0';
-
- /* Then read the rest of the field as a concatenated time */
- if ((ftype[i] = DecodeNumberField(strlen(field[i]), field[i], (fmask | DTK_DATE_M),
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
-
- tmask |= DTK_M(TZ);
- }
- else
- {
- if (DecodePosixTimezone(field[i], tzp) != 0)
- return -1;
-
- ftype[i] = DTK_TZ;
- tmask = DTK_M(TZ);
- }
- }
- break;
-
- case DTK_TIME:
- if (DecodeTime(field[i], (fmask | DTK_DATE_M), &tmask, tm, fsec) != 0)
- return -1;
- break;
-
- case DTK_TZ:
- if (tzp == NULL)
- return -1;
-
- {
- int tz;
-
- if (DecodeTimezone(field[i], &tz) != 0)
- return -1;
-
- /*
- * Already have a time zone? Then maybe this is the
- * second field of a POSIX time: EST+3 (equivalent to
- * PST)
- */
- if ((i > 0) && ((fmask & DTK_M(TZ)) != 0)
- && (ftype[i - 1] == DTK_TZ) && (isalpha((unsigned char) *field[i - 1])))
- {
- *tzp -= tz;
- tmask = 0;
- }
- else
- {
- *tzp = tz;
- tmask = DTK_M(TZ);
- }
- }
- break;
-
- case DTK_NUMBER:
- /*
- * Was this an "ISO time" with embedded field labels? An
- * example is "h04m05s06" - thomas 2001-02-04
- */
- if (ptype != 0)
- {
- char *cp;
- int val;
-
- /* Only accept a date under limited circumstances */
- switch (ptype)
- {
- case DTK_JULIAN:
- case DTK_YEAR:
- case DTK_MONTH:
- case DTK_DAY:
- if (tzp == NULL)
- return -1;
- default:
- break;
- }
-
- val = strtol(field[i], &cp, 10);
- /* only a few kinds are allowed to have an embedded decimal */
- if (*cp == '.')
- switch (ptype)
- {
- case DTK_JULIAN:
- case DTK_TIME:
- case DTK_SECOND:
- break;
- default:
- return 1;
- break;
- }
- else if (*cp != '\0')
- return -1;
-
- switch (ptype)
- {
- case DTK_YEAR:
- tm->tm_year = val;
- tmask = DTK_M(YEAR);
- break;
-
- case DTK_MONTH:
- /* already have a month and hour? then assume minutes */
- if (((fmask & DTK_M(MONTH)) != 0)
- && ((fmask & DTK_M(HOUR)) != 0))
- {
- tm->tm_min = val;
- tmask = DTK_M(MINUTE);
- }
- else
- {
- tm->tm_mon = val;
- tmask = DTK_M(MONTH);
- }
- break;
-
- case DTK_DAY:
- tm->tm_mday = val;
- tmask = DTK_M(DAY);
- break;
-
- case DTK_HOUR:
- tm->tm_hour = val;
- tmask = DTK_M(HOUR);
- break;
-
- case DTK_MINUTE:
- tm->tm_min = val;
- tmask = DTK_M(MINUTE);
- break;
-
- case DTK_SECOND:
- tm->tm_sec = val;
- tmask = DTK_M(SECOND);
- if (*cp == '.')
- {
- *fsec = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
- }
- break;
-
- case DTK_TZ:
- tmask = DTK_M(TZ);
- if (DecodeTimezone(field[i], tzp) != 0)
- return -1;
- break;
-
- case DTK_JULIAN:
- /***
- * previous field was a label for "julian date"?
- ***/
- tmask = DTK_DATE_M;
- j2date(val, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- if (*cp == '.')
- {
- double time;
-
- time = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
-
- tmask |= DTK_TIME_M;
-#ifdef HAVE_INT64_TIMESTAMP
- dt2time((time*86400000000), &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
-#else
- dt2time((time*86400), &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
-#endif
- }
- break;
-
- case DTK_TIME:
- /* previous field was "t" for ISO time */
- if ((ftype[i] = DecodeNumberField(strlen(field[i]), field[i], (fmask | DTK_DATE_M),
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
-
- if (tmask != DTK_TIME_M)
- return -1;
- break;
-
- default:
- return -1;
- break;
- }
-
- ptype = 0;
- *dtype = DTK_DATE;
- }
- else
- {
- char *cp;
- int flen;
-
- flen = strlen(field[i]);
- cp = strchr(field[i], '.');
-
- /* Embedded decimal? */
- if (cp != NULL)
- {
- /* Under limited circumstances, we will accept a date... */
- if ((i == 0) && ((nf >= 2) && (ftype[nf-1] == DTK_DATE)))
- {
- if (DecodeDate(field[i], fmask, &tmask, tm) != 0)
- return -1;
- }
- /* embedded decimal and several digits before? */
- else if ((flen - strlen(cp)) > 2)
- {
- /* Interpret as a concatenated date or time
- * Set the type field to allow decoding other fields later.
- * Example: 20011223 or 040506
- */
- if ((ftype[i] = DecodeNumberField(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
- }
- else
- {
- return -1;
- }
- }
- else if (flen > 4)
- {
- if ((ftype[i] = DecodeNumberField(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits)) < 0)
- return -1;
- }
- /* otherwise it is a single date/time field... */
- else if (DecodeNumber(flen, field[i], fmask,
- &tmask, tm, fsec, &is2digits) != 0)
- {
- return -1;
- }
- }
- break;
-
- case DTK_STRING:
- case DTK_SPECIAL:
- type = DecodeSpecial(i, field[i], &val);
- if (type == IGNORE_DTF)
- continue;
-
- tmask = DTK_M(type);
- switch (type)
- {
- case RESERV:
- switch (val)
- {
- case DTK_CURRENT:
- elog(ERROR, "'CURRENT' is no longer supported");
- return -1;
- break;
-
- case DTK_NOW:
- tmask = DTK_TIME_M;
- *dtype = DTK_TIME;
- GetCurrentTimeUsec(tm, fsec);
- break;
-
- case DTK_ZULU:
- tmask = (DTK_TIME_M | DTK_M(TZ));
- *dtype = DTK_TIME;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- tm->tm_isdst = 0;
- break;
-
- default:
- return -1;
- }
-
- break;
-
- case DTZMOD:
-
- /*
- * daylight savings time modifier (solves "MET
- * DST" syntax)
- */
- tmask |= DTK_M(DTZ);
- tm->tm_isdst = 1;
- if (tzp == NULL)
- return -1;
- *tzp += val * 60;
- break;
-
- case DTZ:
-
- /*
- * set mask for TZ here _or_ check for DTZ later
- * when getting default timezone
- */
- tmask |= DTK_M(TZ);
- tm->tm_isdst = 1;
- if (tzp == NULL)
- return -1;
- *tzp = val * 60;
- ftype[i] = DTK_TZ;
- break;
-
- case TZ:
- tm->tm_isdst = 0;
- if (tzp == NULL)
- return -1;
- *tzp = val * 60;
- ftype[i] = DTK_TZ;
- break;
-
- case IGNORE_DTF:
- break;
-
- case AMPM:
- mer = val;
- break;
-
- case UNITS:
- tmask = 0;
- ptype = val;
- break;
-
- case ISOTIME:
- tmask = 0;
-
- /***
- * We will need one of the following fields:
- * DTK_NUMBER should be hhmmss.fff
- * DTK_TIME should be hh:mm:ss.fff
- * DTK_DATE should be hhmmss-zz
- ***/
- if ((i >= (nf - 1))
- || ((ftype[i + 1] != DTK_NUMBER)
- && (ftype[i + 1] != DTK_TIME)
- && (ftype[i + 1] != DTK_DATE)))
- return -1;
-
- ptype = val;
- break;
-
- default:
- return -1;
- }
- break;
-
- default:
- return -1;
- }
-
- if (tmask & fmask)
- return -1;
- fmask |= tmask;
- }
-
- if ((mer != HR24) && (tm->tm_hour > 12))
- return -1;
- if ((mer == AM) && (tm->tm_hour == 12))
- tm->tm_hour = 0;
- else if ((mer == PM) && (tm->tm_hour != 12))
- tm->tm_hour += 12;
-
-#ifdef HAVE_INT64_TIMESTAMP
- if (((tm->tm_hour < 0) || (tm->tm_hour > 23))
- || ((tm->tm_min < 0) || (tm->tm_min > 59))
- || ((tm->tm_sec < 0) || (tm->tm_sec > 60))
- || (*fsec < INT64CONST(0)) || (*fsec >= INT64CONST(1000000)))
- return -1;
-#else
- if (((tm->tm_hour < 0) || (tm->tm_hour > 23))
- || ((tm->tm_min < 0) || (tm->tm_min > 59))
- || ((tm->tm_sec < 0) || ((tm->tm_sec + *fsec) >= 60)))
- return -1;
-#endif
-
- if ((fmask & DTK_TIME_M) != DTK_TIME_M)
- return -1;
-
- /* timezone not specified? then find local timezone if possible */
- if ((tzp != NULL) && (!(fmask & DTK_M(TZ))))
- {
- struct tm tt,
- *tmp = &tt;
-
- /*
- * daylight savings time modifier but no standard timezone? then
- * error
- */
- if (fmask & DTK_M(DTZMOD))
- return -1;
-
- if ((fmask & DTK_DATE_M) == 0)
- {
- GetCurrentDateTime(tmp);
- }
- else
- {
- tmp->tm_year = tm->tm_year;
- tmp->tm_mon = tm->tm_mon;
- tmp->tm_mday = tm->tm_mday;
- }
- tmp->tm_hour = tm->tm_hour;
- tmp->tm_min = tm->tm_min;
- tmp->tm_sec = tm->tm_sec;
- *tzp = DetermineLocalTimeZone(tmp);
- tm->tm_isdst = tmp->tm_isdst;
- }
-
- return 0;
-} /* DecodeTimeOnly() */
-
-/* DecodeDate()
- * Decode date string which includes delimiters.
- * Insist on a complete set of fields.
- */
-static int
-DecodeDate(char *str, int fmask, int *tmask, struct tm * tm)
-{
- fsec_t fsec;
-
- int nf = 0;
- int i,
- len;
- int bc = FALSE;
- int is2digits = FALSE;
- int type,
- val,
- dmask = 0;
- char *field[MAXDATEFIELDS];
-
- /* parse this string... */
- while ((*str != '\0') && (nf < MAXDATEFIELDS))
- {
- /* skip field separators */
- while (!isalnum((unsigned char) *str))
- str++;
-
- field[nf] = str;
- if (isdigit((unsigned char) *str))
- {
- while (isdigit((unsigned char) *str))
- str++;
- }
- else if (isalpha((unsigned char) *str))
- {
- while (isalpha((unsigned char) *str))
- str++;
- }
-
- /* Just get rid of any non-digit, non-alpha characters... */
- if (*str != '\0')
- *str++ = '\0';
- nf++;
- }
-
-#if 0
- /* don't allow too many fields */
- if (nf > 3)
- return -1;
-#endif
-
- *tmask = 0;
-
- /* look first for text fields, since that will be unambiguous month */
- for (i = 0; i < nf; i++)
- {
- if (isalpha((unsigned char) *field[i]))
- {
- type = DecodeSpecial(i, field[i], &val);
- if (type == IGNORE_DTF)
- continue;
-
- dmask = DTK_M(type);
- switch (type)
- {
- case MONTH:
- tm->tm_mon = val;
- break;
-
- case ADBC:
- bc = (val == BC);
- break;
-
- default:
- return -1;
- }
- if (fmask & dmask)
- return -1;
-
- fmask |= dmask;
- *tmask |= dmask;
-
- /* mark this field as being completed */
- field[i] = NULL;
- }
- }
-
- /* now pick up remaining numeric fields */
- for (i = 0; i < nf; i++)
- {
- if (field[i] == NULL)
- continue;
-
- if ((len = strlen(field[i])) <= 0)
- return -1;
-
- if (DecodeNumber(len, field[i], fmask, &dmask, tm, &fsec, &is2digits) != 0)
- return -1;
-
- if (fmask & dmask)
- return -1;
-
- fmask |= dmask;
- *tmask |= dmask;
- }
-
- if ((fmask & ~(DTK_M(DOY) | DTK_M(TZ))) != DTK_DATE_M)
- return -1;
-
- /* there is no year zero in AD/BC notation; i.e. "1 BC" == year 0 */
- if (bc)
- {
- if (tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year - 1);
- else
- elog(ERROR, "Inconsistent use of year %04d and 'BC'", tm->tm_year);
- }
- else if (is2digits)
- {
- if (tm->tm_year < 70)
- tm->tm_year += 2000;
- else if (tm->tm_year < 100)
- tm->tm_year += 1900;
- }
-
- return 0;
-} /* DecodeDate() */
-
-
-/* DecodeTime()
- * Decode time string which includes delimiters.
- * Only check the lower limit on hours, since this same code
- * can be used to represent time spans.
- */
-static int
-DecodeTime(char *str, int fmask, int *tmask, struct tm * tm, fsec_t *fsec)
-{
- char *cp;
-
- *tmask = DTK_TIME_M;
-
- tm->tm_hour = strtol(str, &cp, 10);
- if (*cp != ':')
- return -1;
- str = cp + 1;
- tm->tm_min = strtol(str, &cp, 10);
- if (*cp == '\0')
- {
- tm->tm_sec = 0;
- *fsec = 0;
- }
- else if (*cp != ':')
- {
- return -1;
- }
- else
- {
- str = cp + 1;
- tm->tm_sec = strtol(str, &cp, 10);
- if (*cp == '\0')
- *fsec = 0;
- else if (*cp == '.')
- {
-#ifdef HAVE_INT64_TIMESTAMP
- char fstr[MAXDATELEN + 1];
-
- /* OK, we have at most six digits to work with.
- * Let's construct a string and then do the conversion
- * to an integer.
- */
- strncpy(fstr, (cp+1), 7);
- strcpy((fstr+strlen(fstr)), "000000");
- *(fstr+6) = '\0';
- *fsec = strtol(fstr, &cp, 10);
-#else
- str = cp;
- *fsec = strtod(str, &cp);
-#endif
- if (*cp != '\0')
- return -1;
- }
- else
- return -1;
- }
-
- /* do a sanity check */
-#ifdef HAVE_INT64_TIMESTAMP
- if ((tm->tm_hour < 0)
- || (tm->tm_min < 0) || (tm->tm_min > 59)
- || (tm->tm_sec < 0) || (tm->tm_sec > 59)
- || (*fsec >= INT64CONST(1000000)))
- return -1;
-#else
- if ((tm->tm_hour < 0)
- || (tm->tm_min < 0) || (tm->tm_min > 59)
- || (tm->tm_sec < 0) || (tm->tm_sec > 59)
- || (*fsec >= 1))
- return -1;
-#endif
-
- return 0;
-} /* DecodeTime() */
-
-
-/* DecodeNumber()
- * Interpret plain numeric field as a date value in context.
- */
-static int
-DecodeNumber(int flen, char *str, int fmask,
- int *tmask, struct tm * tm, fsec_t *fsec, int *is2digits)
-{
- int val;
- char *cp;
-
- *tmask = 0;
-
- val = strtol(str, &cp, 10);
- if (cp == str)
- return -1;
-
- if (*cp == '.')
- {
- /* More than two digits?
- * Then could be a date or a run-together time:
- * 2001.360
- * 20011225 040506.789
- */
- if ((cp - str) > 2)
- return DecodeNumberField(flen, str, (fmask | DTK_DATE_M),
- tmask, tm, fsec, is2digits);
-
- *fsec = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
- }
- else if (*cp != '\0')
- {
- return -1;
- }
-
- /* Special case day of year? */
- if ((flen == 3) && (fmask & DTK_M(YEAR))
- && ((val >= 1) && (val <= 366)))
- {
- *tmask = (DTK_M(DOY) | DTK_M(MONTH) | DTK_M(DAY));
- tm->tm_yday = val;
- j2date((date2j(tm->tm_year, 1, 1) + tm->tm_yday - 1),
- &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- }
-
- /***
- * Enough digits to be unequivocal year? Used to test for 4 digits or
- * more, but we now test first for a three-digit doy so anything
- * bigger than two digits had better be an explicit year.
- * - thomas 1999-01-09
- * Back to requiring a 4 digit year. We accept a two digit
- * year farther down. - thomas 2000-03-28
- ***/
- else if (flen >= 4)
- {
- *tmask = DTK_M(YEAR);
-
- /* already have a year? then see if we can substitute... */
- if ((fmask & DTK_M(YEAR)) && (!(fmask & DTK_M(DAY)))
- && ((tm->tm_year >= 1) && (tm->tm_year <= 31)))
- {
- tm->tm_mday = tm->tm_year;
- *tmask = DTK_M(DAY);
- }
-
- tm->tm_year = val;
- }
-
- /* already have year? then could be month */
- else if ((fmask & DTK_M(YEAR)) && (!(fmask & DTK_M(MONTH)))
- && ((val >= 1) && (val <= 12)))
- {
- *tmask = DTK_M(MONTH);
- tm->tm_mon = val;
- }
- /* no year and EuroDates enabled? then could be day */
- else if ((EuroDates || (fmask & DTK_M(MONTH)))
- && (!(fmask & DTK_M(YEAR)) && !(fmask & DTK_M(DAY)))
- && ((val >= 1) && (val <= 31)))
- {
- *tmask = DTK_M(DAY);
- tm->tm_mday = val;
- }
- else if ((!(fmask & DTK_M(MONTH)))
- && ((val >= 1) && (val <= 12)))
- {
- *tmask = DTK_M(MONTH);
- tm->tm_mon = val;
- }
- else if ((!(fmask & DTK_M(DAY)))
- && ((val >= 1) && (val <= 31)))
- {
- *tmask = DTK_M(DAY);
- tm->tm_mday = val;
- }
-
- /*
- * Check for 2 or 4 or more digits, but currently we reach here only
- * if two digits. - thomas 2000-03-28
- */
- else if (!(fmask & DTK_M(YEAR))
- && ((flen >= 4) || (flen == 2)))
- {
- *tmask = DTK_M(YEAR);
- tm->tm_year = val;
-
- /* adjust ONLY if exactly two digits... */
- *is2digits = (flen == 2);
- }
- else
- return -1;
-
- return 0;
-} /* DecodeNumber() */
-
-
-/* DecodeNumberField()
- * Interpret numeric string as a concatenated date or time field.
- * Use the context of previously decoded fields to help with
- * the interpretation.
- */
-static int
-DecodeNumberField(int len, char *str, int fmask,
- int *tmask, struct tm * tm, fsec_t *fsec, int *is2digits)
-{
- char *cp;
-
- /* Have a decimal point?
- * Then this is a date or something with a seconds field...
- */
- if ((cp = strchr(str, '.')) != NULL)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- char fstr[MAXDATELEN + 1];
-
- /* OK, we have at most six digits to care about.
- * Let's construct a string and then do the conversion
- * to an integer.
- */
- strcpy(fstr, (cp+1));
- strcpy((fstr+strlen(fstr)), "000000");
- *(fstr+6) = '\0';
- *fsec = strtol(fstr, NULL, 10);
-#else
- *fsec = strtod(cp, NULL);
-#endif
- *cp = '\0';
- len = strlen(str);
- }
- /* No decimal point and no complete date yet? */
- else if ((fmask & DTK_DATE_M) != DTK_DATE_M)
- {
- /* yyyymmdd? */
- if (len == 8)
- {
- *tmask = DTK_DATE_M;
-
- tm->tm_mday = atoi(str + 6);
- *(str + 6) = '\0';
- tm->tm_mon = atoi(str + 4);
- *(str + 4) = '\0';
- tm->tm_year = atoi(str + 0);
-
- return DTK_DATE;
- }
- /* yymmdd? */
- else if (len == 6)
- {
- *tmask = DTK_DATE_M;
- tm->tm_mday = atoi(str + 4);
- *(str + 4) = '\0';
- tm->tm_mon = atoi(str + 2);
- *(str + 2) = '\0';
- tm->tm_year = atoi(str + 0);
- *is2digits = TRUE;
-
- return DTK_DATE;
- }
- /* yyddd? */
- else if (len == 5)
- {
- *tmask = DTK_DATE_M;
- tm->tm_mday = atoi(str + 2);
- *(str + 2) = '\0';
- tm->tm_mon = 1;
- tm->tm_year = atoi(str + 0);
- *is2digits = TRUE;
-
- return DTK_DATE;
- }
- }
-
- /* not all time fields are specified? */
- if ((fmask & DTK_TIME_M) != DTK_TIME_M)
- {
- /* hhmmss */
- if (len == 6)
- {
- *tmask = DTK_TIME_M;
- tm->tm_sec = atoi(str + 4);
- *(str + 4) = '\0';
- tm->tm_min = atoi(str + 2);
- *(str + 2) = '\0';
- tm->tm_hour = atoi(str + 0);
-
- return DTK_TIME;
- }
- /* hhmm? */
- else if (len == 4)
- {
- *tmask = DTK_TIME_M;
- tm->tm_sec = 0;
- tm->tm_min = atoi(str + 2);
- *(str + 2) = '\0';
- tm->tm_hour = atoi(str + 0);
-
- return DTK_TIME;
- }
- }
-
- return -1;
-} /* DecodeNumberField() */
-
-
-/* DecodeTimezone()
- * Interpret string as a numeric timezone.
- */
-static int
-DecodeTimezone(char *str, int *tzp)
-{
- int tz;
- int hr,
- min;
- char *cp;
- int len;
-
- /* assume leading character is "+" or "-" */
- hr = strtol((str + 1), &cp, 10);
-
- /* explicit delimiter? */
- if (*cp == ':')
- {
- min = strtol((cp + 1), &cp, 10);
- }
- /* otherwise, might have run things together... */
- else if ((*cp == '\0') && ((len = strlen(str)) > 3))
- {
- min = strtol((str + len - 2), &cp, 10);
- if ((min < 0) || (min >= 60))
- return -1;
-
- *(str + len - 2) = '\0';
- hr = strtol((str + 1), &cp, 10);
- if ((hr < 0) || (hr > 12))
- return -1;
- }
- else
- {
- min = 0;
- }
-
- tz = (hr * 60 + min) * 60;
- if (*str == '-')
- tz = -tz;
-
- *tzp = -tz;
- return *cp != '\0';
-} /* DecodeTimezone() */
-
-
-/* DecodePosixTimezone()
- * Interpret string as a POSIX-compatible timezone:
- * PST-hh:mm
- * PST+h
- * - thomas 2000-03-15
- */
-static int
-DecodePosixTimezone(char *str, int *tzp)
-{
- int val,
- tz;
- int type;
- char *cp;
- char delim;
-
- cp = str;
- while ((*cp != '\0') && isalpha((unsigned char) *cp))
- cp++;
-
- if (DecodeTimezone(cp, &tz) != 0)
- return -1;
-
- delim = *cp;
- *cp = '\0';
- type = DecodeSpecial(MAXDATEFIELDS - 1, str, &val);
- *cp = delim;
-
- switch (type)
- {
- case DTZ:
- case TZ:
- *tzp = (val * 60) - tz;
- break;
-
- default:
- return -1;
- }
-
- return 0;
-} /* DecodePosixTimezone() */
-
-
-/* DecodeSpecial()
- * Decode text string using lookup table.
- * Implement a cache lookup since it is likely that dates
- * will be related in format.
- */
-int
-DecodeSpecial(int field, char *lowtoken, int *val)
-{
- int type;
- datetkn *tp;
-
- if ((datecache[field] != NULL)
- && (strncmp(lowtoken, datecache[field]->token, TOKMAXLEN) == 0))
- tp = datecache[field];
- else
- {
- tp = NULL;
- if (Australian_timezones)
- tp = datebsearch(lowtoken, australian_datetktbl,
- australian_szdatetktbl);
- if (!tp)
- tp = datebsearch(lowtoken, datetktbl, szdatetktbl);
- }
- datecache[field] = tp;
- if (tp == NULL)
- {
- type = UNKNOWN_FIELD;
- *val = 0;
- }
- else
- {
- type = tp->type;
- switch (type)
- {
- case TZ:
- case DTZ:
- case DTZMOD:
- *val = FROMVAL(tp);
- break;
-
- default:
- *val = tp->value;
- break;
- }
- }
-
- return type;
-} /* DecodeSpecial() */
-
-
-/* DecodeInterval()
- * Interpret previously parsed fields for general time interval.
- * Return 0 if decoded and -1 if problems.
- *
- * Allow "date" field DTK_DATE since this could be just
- * an unsigned floating point number. - thomas 1997-11-16
- *
- * Allow ISO-style time span, with implicit units on number of days
- * preceding an hh:mm:ss field. - thomas 1998-04-30
- */
-int
-DecodeInterval(char **field, int *ftype, int nf, int *dtype, struct tm * tm, fsec_t *fsec)
-{
- int is_before = FALSE;
-
- char *cp;
- int fmask = 0,
- tmask,
- type;
- int i;
- int val;
- double fval;
-
- *dtype = DTK_DELTA;
-
- type = IGNORE_DTF;
- tm->tm_year = 0;
- tm->tm_mon = 0;
- tm->tm_mday = 0;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- *fsec = 0;
-
- /* read through list backwards to pick up units before values */
- for (i = nf - 1; i >= 0; i--)
- {
- switch (ftype[i])
- {
- case DTK_TIME:
- if (DecodeTime(field[i], fmask, &tmask, tm, fsec) != 0)
- return -1;
- type = DTK_DAY;
- break;
-
- case DTK_TZ:
-
- /*
- * Timezone is a token with a leading sign character and
- * otherwise the same as a non-signed time field
- */
- Assert((*field[i] == '-') || (*field[i] == '+'));
-
- /*
- * A single signed number ends up here, but will be
- * rejected by DecodeTime(). So, work this out to drop
- * through to DTK_NUMBER, which *can* tolerate this.
- */
- cp = field[i] + 1;
- while ((*cp != '\0') && (*cp != ':') && (*cp != '.'))
- cp++;
- if ((*cp == ':')
- && (DecodeTime((field[i] + 1), fmask, &tmask, tm, fsec) == 0))
- {
- if (*field[i] == '-')
- {
- /* flip the sign on all fields */
- tm->tm_hour = -tm->tm_hour;
- tm->tm_min = -tm->tm_min;
- tm->tm_sec = -tm->tm_sec;
- *fsec = -(*fsec);
- }
-
- /*
- * Set the next type to be a day, if units are not
- * specified. This handles the case of '1 +02:03'
- * since we are reading right to left.
- */
- type = DTK_DAY;
- tmask = DTK_M(TZ);
- break;
- }
- else if (type == IGNORE_DTF)
- {
- if (*cp == '.')
- {
- /*
- * Got a decimal point? Then assume some sort of
- * seconds specification
- */
- type = DTK_SECOND;
- }
- else if (*cp == '\0')
- {
- /*
- * Only a signed integer? Then must assume a
- * timezone-like usage
- */
- type = DTK_HOUR;
- }
- }
- /* DROP THROUGH */
-
- case DTK_DATE:
- case DTK_NUMBER:
- val = strtol(field[i], &cp, 10);
-
- if (type == IGNORE_DTF)
- type = DTK_SECOND;
-
- if (*cp == '.')
- {
- fval = strtod(cp, &cp);
- if (*cp != '\0')
- return -1;
-
- if (val < 0)
- fval = -(fval);
- }
- else if (*cp == '\0')
- fval = 0;
- else
- return -1;
-
- tmask = 0; /* DTK_M(type); */
-
- switch (type)
- {
- case DTK_MICROSEC:
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += (val + fval);
-#else
- *fsec += ((val + fval) * 1e-6);
-#endif
- break;
-
- case DTK_MILLISEC:
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((val + fval) * 1000);
-#else
- *fsec += ((val + fval) * 1e-3);
-#endif
- break;
-
- case DTK_SECOND:
- tm->tm_sec += val;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += (fval * 1000000);
-#else
- *fsec += fval;
-#endif
- tmask = DTK_M(SECOND);
- break;
-
- case DTK_MINUTE:
- tm->tm_min += val;
- if (fval != 0)
- {
- int sec;
- fval *= 60;
- sec = fval;
- tm->tm_sec += sec;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((fval - sec) * 1000000);
-#else
- *fsec += (fval - sec);
-#endif
- }
- tmask = DTK_M(MINUTE);
- break;
-
- case DTK_HOUR:
- tm->tm_hour += val;
- if (fval != 0)
- {
- int sec;
- fval *= 3600;
- sec = fval;
- tm->tm_sec += sec;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((fval - sec) * 1000000);
-#else
- *fsec += (fval - sec);
-#endif
- }
- tmask = DTK_M(HOUR);
- break;
-
- case DTK_DAY:
- tm->tm_mday += val;
- if (fval != 0)
- {
- int sec;
- fval *= 86400;
- sec = fval;
- tm->tm_sec += sec;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((fval - sec) * 1000000);
-#else
- *fsec += (fval - sec);
-#endif
- }
- tmask = ((fmask & DTK_M(DAY)) ? 0 : DTK_M(DAY));
- break;
-
- case DTK_WEEK:
- tm->tm_mday += val * 7;
- if (fval != 0)
- {
- int sec;
- fval *= (7*86400);
- sec = fval;
- tm->tm_sec += sec;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((fval - sec) * 1000000);
-#else
- *fsec += (fval - sec);
-#endif
- }
- tmask = ((fmask & DTK_M(DAY)) ? 0 : DTK_M(DAY));
- break;
-
- case DTK_MONTH:
- tm->tm_mon += val;
- if (fval != 0)
- {
- int sec;
- fval *= (30*86400);
- sec = fval;
- tm->tm_sec += sec;
-#ifdef HAVE_INT64_TIMESTAMP
- *fsec += ((fval - sec) * 1000000);
-#else
- *fsec += (fval - sec);
-#endif
- }
- tmask = DTK_M(MONTH);
- break;
-
- case DTK_YEAR:
- tm->tm_year += val;
- if (fval != 0)
- tm->tm_mon += (fval * 12);
- tmask = ((fmask & DTK_M(YEAR)) ? 0 : DTK_M(YEAR));
- break;
-
- case DTK_DECADE:
- tm->tm_year += val * 10;
- if (fval != 0)
- tm->tm_mon += (fval * 120);
- tmask = ((fmask & DTK_M(YEAR)) ? 0 : DTK_M(YEAR));
- break;
-
- case DTK_CENTURY:
- tm->tm_year += val * 100;
- if (fval != 0)
- tm->tm_mon += (fval * 1200);
- tmask = ((fmask & DTK_M(YEAR)) ? 0 : DTK_M(YEAR));
- break;
-
- case DTK_MILLENNIUM:
- tm->tm_year += val * 1000;
- if (fval != 0)
- tm->tm_mon += (fval * 12000);
- tmask = ((fmask & DTK_M(YEAR)) ? 0 : DTK_M(YEAR));
- break;
-
- default:
- return -1;
- }
- break;
-
- case DTK_STRING:
- case DTK_SPECIAL:
- type = DecodeUnits(i, field[i], &val);
- if (type == IGNORE_DTF)
- continue;
-
- tmask = 0; /* DTK_M(type); */
- switch (type)
- {
- case UNITS:
- type = val;
- break;
-
- case AGO:
- is_before = TRUE;
- type = val;
- break;
-
- case RESERV:
- tmask = (DTK_DATE_M || DTK_TIME_M);
- *dtype = val;
- break;
-
- default:
- return -1;
- }
- break;
-
- default:
- return -1;
- }
-
- if (tmask & fmask)
- return -1;
- fmask |= tmask;
- }
-
- if (*fsec != 0)
- {
- int sec;
-
-#ifdef HAVE_INT64_TIMESTAMP
- sec = (*fsec / INT64CONST(1000000));
- *fsec -= (sec * INT64CONST(1000000));
-#else
- TMODULO(*fsec, sec, 1e0);
-#endif
- tm->tm_sec += sec;
- }
-
- if (is_before)
- {
- *fsec = -(*fsec);
- tm->tm_sec = -(tm->tm_sec);
- tm->tm_min = -(tm->tm_min);
- tm->tm_hour = -(tm->tm_hour);
- tm->tm_mday = -(tm->tm_mday);
- tm->tm_mon = -(tm->tm_mon);
- tm->tm_year = -(tm->tm_year);
- }
-
- /* ensure that at least one time field has been found */
- return (fmask != 0) ? 0 : -1;
-} /* DecodeInterval() */
-
-
-/* DecodeUnits()
- * Decode text string using lookup table.
- * This routine supports time interval decoding.
- */
-int
-DecodeUnits(int field, char *lowtoken, int *val)
-{
- int type;
- datetkn *tp;
-
- if ((deltacache[field] != NULL)
- && (strncmp(lowtoken, deltacache[field]->token, TOKMAXLEN) == 0))
- tp = deltacache[field];
- else
- tp = datebsearch(lowtoken, deltatktbl, szdeltatktbl);
- deltacache[field] = tp;
- if (tp == NULL)
- {
- type = UNKNOWN_FIELD;
- *val = 0;
- }
- else
- {
- type = tp->type;
- if ((type == TZ) || (type == DTZ))
- *val = FROMVAL(tp);
- else
- *val = tp->value;
- }
-
- return type;
-} /* DecodeUnits() */
-
-
-/* datebsearch()
- * Binary search -- from Knuth (6.2.1) Algorithm B. Special case like this
- * is WAY faster than the generic bsearch().
- */
-static datetkn *
-datebsearch(char *key, datetkn *base, unsigned int nel)
-{
- datetkn *last = base + nel - 1,
- *position;
- int result;
-
- while (last >= base)
- {
- position = base + ((last - base) >> 1);
- result = key[0] - position->token[0];
- if (result == 0)
- {
- result = strncmp(key, position->token, TOKMAXLEN);
- if (result == 0)
- return position;
- }
- if (result < 0)
- last = position - 1;
- else
- base = position + 1;
- }
- return NULL;
-}
-
-
-/* EncodeDateOnly()
- * Encode date as local time.
- */
-int
-EncodeDateOnly(struct tm * tm, int style, char *str)
-{
- if ((tm->tm_mon < 1) || (tm->tm_mon > 12))
- return -1;
-
- switch (style)
- {
- case USE_ISO_DATES:
- /* compatible with ISO date formats */
- if (tm->tm_year > 0)
- sprintf(str, "%04d-%02d-%02d",
- tm->tm_year, tm->tm_mon, tm->tm_mday);
- else
- sprintf(str, "%04d-%02d-%02d %s",
- -(tm->tm_year - 1), tm->tm_mon, tm->tm_mday, "BC");
- break;
-
- case USE_SQL_DATES:
- /* compatible with Oracle/Ingres date formats */
- if (EuroDates)
- sprintf(str, "%02d/%02d", tm->tm_mday, tm->tm_mon);
- else
- sprintf(str, "%02d/%02d", tm->tm_mon, tm->tm_mday);
- if (tm->tm_year > 0)
- sprintf((str + 5), "/%04d", tm->tm_year);
- else
- sprintf((str + 5), "/%04d %s", -(tm->tm_year - 1), "BC");
- break;
-
- case USE_GERMAN_DATES:
- /* German-style date format */
- sprintf(str, "%02d.%02d", tm->tm_mday, tm->tm_mon);
- if (tm->tm_year > 0)
- sprintf((str + 5), ".%04d", tm->tm_year);
- else
- sprintf((str + 5), ".%04d %s", -(tm->tm_year - 1), "BC");
- break;
-
- case USE_POSTGRES_DATES:
- default:
- /* traditional date-only style for Postgres */
- if (EuroDates)
- sprintf(str, "%02d-%02d", tm->tm_mday, tm->tm_mon);
- else
- sprintf(str, "%02d-%02d", tm->tm_mon, tm->tm_mday);
- if (tm->tm_year > 0)
- sprintf((str + 5), "-%04d", tm->tm_year);
- else
- sprintf((str + 5), "-%04d %s", -(tm->tm_year - 1), "BC");
- break;
- }
-
- return TRUE;
-} /* EncodeDateOnly() */
-
-
-/* EncodeTimeOnly()
- * Encode time fields only.
- */
-int
-EncodeTimeOnly(struct tm * tm, fsec_t fsec, int *tzp, int style, char *str)
-{
-#ifndef HAVE_INT64_TIMESTAMP
- fsec_t sec;
-#endif
-
- if ((tm->tm_hour < 0) || (tm->tm_hour > 24))
- return -1;
-
-#ifndef HAVE_INT64_TIMESTAMP
- sec = (tm->tm_sec + fsec);
-#endif
-
- sprintf(str, "%02d:%02d", tm->tm_hour, tm->tm_min);
-
- /*
- * If we have fractional seconds, then include a decimal point We will
- * do up to 6 fractional digits, and we have rounded any inputs to
- * eliminate anything to the right of 6 digits anyway. If there are no
- * fractional seconds, then do not bother printing a decimal point at
- * all. - thomas 2001-09-29
- */
- if (fsec != 0)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- sprintf((str + strlen(str)), ".%06d", fsec);
-#else
- sprintf((str + strlen(str)), ":%013.10f", sec);
-#endif
- /* chop off trailing pairs of zeros... */
- while ((strcmp((str + strlen(str) - 2), "00") == 0)
- && (*(str + strlen(str) - 3) != '.'))
- *(str + strlen(str) - 2) = '\0';
- }
- else
-#ifdef HAVE_INT64_TIMESTAMP
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
-#else
- sprintf((str + strlen(str)), ":%02.0f", sec);
-#endif
-
- if (tzp != NULL)
- {
- int hour,
- min;
-
- hour = -(*tzp / 3600);
- min = ((abs(*tzp) / 60) % 60);
- sprintf((str + strlen(str)), ((min != 0) ? "%+03d:%02d" : "%+03d"), hour, min);
- }
-
- return TRUE;
-} /* EncodeTimeOnly() */
-
-
-/* EncodeDateTime()
- * Encode date and time interpreted as local time.
- * Support several date styles:
- * Postgres - day mon hh:mm:ss yyyy tz
- * SQL - mm/dd/yyyy hh:mm:ss.ss tz
- * ISO - yyyy-mm-dd hh:mm:ss+/-tz
- * German - dd.mm.yyyy hh:mm:ss tz
- * Variants (affects order of month and day for Postgres and SQL styles):
- * US - mm/dd/yyyy
- * European - dd/mm/yyyy
- */
-int
-EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, char *str)
-{
- int day,
- hour,
- min;
-#ifndef HAVE_INT64_TIMESTAMP
- fsec_t sec;
-#endif
-
- /* Why are we checking only the month field? Change this to an assert...
- * if ((tm->tm_mon < 1) || (tm->tm_mon > 12))
- * return -1;
- */
- Assert((tm->tm_mon >= 1) && (tm->tm_mon <= 12));
-
-#ifndef HAVE_INT64_TIMESTAMP
- sec = (tm->tm_sec + fsec);
-#endif
-
- switch (style)
- {
- case USE_ISO_DATES:
- /* Compatible with ISO-8601 date formats */
-
- sprintf(str, "%04d-%02d-%02d %02d:%02d",
- ((tm->tm_year > 0)? tm->tm_year: -(tm->tm_year - 1)),
- tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min);
-
- /*
- * If we have fractional seconds, then include a decimal
- * point We will do up to 6 fractional digits, and we have
- * rounded any inputs to eliminate anything to the right
- * of 6 digits anyway. If there are no fractional seconds,
- * then do not bother printing a decimal point at all. -
- * thomas 2001-09-29
- */
-#ifdef HAVE_INT64_TIMESTAMP
- if (fsec != 0)
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- sprintf((str + strlen(str)), ".%06d", fsec);
-#else
- if ((fsec != 0) && (tm->tm_year > 0))
- {
- sprintf((str + strlen(str)), ":%013.10f", sec);
-#endif
- TrimTrailingZeros(str);
- }
- else
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- }
-
- if (tm->tm_year <= 0)
- {
- sprintf((str + strlen(str)), " BC");
- }
-
- /*
- * tzp == NULL indicates that we don't want *any* time
- * zone info in the output string.
- * *tzn != NULL indicates that we have alpha time zone
- * info available.
- * tm_isdst != -1 indicates that we have a valid time zone
- * translation.
- */
- if ((tzp != NULL) && (tm->tm_isdst >= 0))
- {
- hour = -(*tzp / 3600);
- min = ((abs(*tzp) / 60) % 60);
- sprintf((str + strlen(str)), ((min != 0) ? "%+03d:%02d" : "%+03d"), hour, min);
- }
- break;
-
- case USE_SQL_DATES:
- /* Compatible with Oracle/Ingres date formats */
-
- if (EuroDates)
- sprintf(str, "%02d/%02d", tm->tm_mday, tm->tm_mon);
- else
- sprintf(str, "%02d/%02d", tm->tm_mon, tm->tm_mday);
-
- sprintf((str + 5), "/%04d %02d:%02d",
- ((tm->tm_year > 0)? tm->tm_year: -(tm->tm_year - 1)),
- tm->tm_hour, tm->tm_min);
-
- /*
- * If we have fractional seconds, then include a decimal
- * point We will do up to 6 fractional digits, and we have
- * rounded any inputs to eliminate anything to the right
- * of 6 digits anyway. If there are no fractional seconds,
- * then do not bother printing a decimal point at all. -
- * thomas 2001-09-29
- */
-#ifdef HAVE_INT64_TIMESTAMP
- if (fsec != 0)
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- sprintf((str + strlen(str)), ".%06d", fsec);
-#else
- if ((fsec != 0) && (tm->tm_year > 0))
- {
- sprintf((str + strlen(str)), ":%013.10f", sec);
-#endif
- TrimTrailingZeros(str);
- }
- else
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- }
-
- if (tm->tm_year <= 0)
- {
- sprintf((str + strlen(str)), " BC");
- }
-
- if ((tzp != NULL) && (tm->tm_isdst >= 0))
- {
- if (*tzn != NULL)
- sprintf((str + strlen(str)), " %.*s", MAXTZLEN, *tzn);
- else
- {
- hour = -(*tzp / 3600);
- min = ((abs(*tzp) / 60) % 60);
- sprintf((str + strlen(str)), ((min != 0) ? "%+03d:%02d" : "%+03d"), hour, min);
- }
- }
- break;
-
- case USE_GERMAN_DATES:
- /* German variant on European style */
-
- sprintf(str, "%02d.%02d", tm->tm_mday, tm->tm_mon);
-
- sprintf((str + 5), ".%04d %02d:%02d",
- ((tm->tm_year > 0)? tm->tm_year: -(tm->tm_year - 1)),
- tm->tm_hour, tm->tm_min);
-
- /*
- * If we have fractional seconds, then include a decimal
- * point We will do up to 6 fractional digits, and we have
- * rounded any inputs to eliminate anything to the right
- * of 6 digits anyway. If there are no fractional seconds,
- * then do not bother printing a decimal point at all. -
- * thomas 2001-09-29
- */
-#ifdef HAVE_INT64_TIMESTAMP
- if (fsec != 0)
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- sprintf((str + strlen(str)), ".%06d", fsec);
-#else
- if ((fsec != 0) && (tm->tm_year > 0))
- {
- sprintf((str + strlen(str)), ":%013.10f", sec);
-#endif
- TrimTrailingZeros(str);
- }
- else
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- }
-
- if (tm->tm_year <= 0)
- {
- sprintf((str + strlen(str)), " BC");
- }
-
- if ((tzp != NULL) && (tm->tm_isdst >= 0))
- {
- if (*tzn != NULL)
- sprintf((str + strlen(str)), " %.*s", MAXTZLEN, *tzn);
- else
- {
- hour = -(*tzp / 3600);
- min = ((abs(*tzp) / 60) % 60);
- sprintf((str + strlen(str)), ((min != 0) ? "%+03d:%02d" : "%+03d"), hour, min);
- }
- }
- break;
-
- case USE_POSTGRES_DATES:
- default:
- /* Backward-compatible with traditional Postgres abstime dates */
-
- day = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday);
- tm->tm_wday = j2day(day);
-
- strncpy(str, days[tm->tm_wday], 3);
- strcpy((str + 3), " ");
-
- if (EuroDates)
- sprintf((str + 4), "%02d %3s", tm->tm_mday, months[tm->tm_mon - 1]);
- else
- sprintf((str + 4), "%3s %02d", months[tm->tm_mon - 1], tm->tm_mday);
-
- sprintf((str + 10), " %02d:%02d", tm->tm_hour, tm->tm_min);
-
- /*
- * If we have fractional seconds, then include a decimal
- * point We will do up to 6 fractional digits, and we have
- * rounded any inputs to eliminate anything to the right
- * of 6 digits anyway. If there are no fractional seconds,
- * then do not bother printing a decimal point at all. -
- * thomas 2001-09-29
- */
-#ifdef HAVE_INT64_TIMESTAMP
- if (fsec != 0)
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- sprintf((str + strlen(str)), ".%06d", fsec);
-#else
- if ((fsec != 0) && (tm->tm_year > 0))
- {
- sprintf((str + strlen(str)), ":%013.10f", sec);
-#endif
- TrimTrailingZeros(str);
- }
- else
- {
- sprintf((str + strlen(str)), ":%02d", tm->tm_sec);
- }
-
- sprintf((str + strlen(str)), " %04d",
- ((tm->tm_year > 0)? tm->tm_year: -(tm->tm_year - 1)));
- if (tm->tm_year <= 0)
- {
- sprintf((str + strlen(str)), " BC");
- }
-
- if ((tzp != NULL) && (tm->tm_isdst >= 0))
- {
- if (*tzn != NULL)
- sprintf((str + strlen(str)), " %.*s", MAXTZLEN, *tzn);
- else
- {
- /*
- * We have a time zone, but no string version. Use
- * the numeric form, but be sure to include a
- * leading space to avoid formatting something
- * which would be rejected by the date/time parser
- * later. - thomas 2001-10-19
- */
- hour = -(*tzp / 3600);
- min = ((abs(*tzp) / 60) % 60);
- sprintf((str + strlen(str)), ((min != 0) ? " %+03d:%02d" : " %+03d"), hour, min);
- }
- }
- break;
- }
-
- return TRUE;
-} /* EncodeDateTime() */
-
-
-/* EncodeInterval()
- * Interpret time structure as a delta time and convert to string.
- *
- * Support "traditional Postgres" and ISO-8601 styles.
- * Actually, afaik ISO does not address time interval formatting,
- * but this looks similar to the spec for absolute date/time.
- * - thomas 1998-04-30
- */
-int
-EncodeInterval(struct tm * tm, fsec_t fsec, int style, char *str)
-{
- int is_before = FALSE;
- int is_nonzero = FALSE;
- char *cp = str;
-
- /*
- * The sign of year and month are guaranteed to match, since they are
- * stored internally as "month". But we'll need to check for is_before
- * and is_nonzero when determining the signs of hour/minute/seconds
- * fields.
- */
- switch (style)
- {
- /* compatible with ISO date formats */
- case USE_ISO_DATES:
- if (tm->tm_year != 0)
- {
- sprintf(cp, "%d year%s",
- tm->tm_year, ((tm->tm_year != 1) ? "s" : ""));
- cp += strlen(cp);
- is_before = (tm->tm_year < 0);
- is_nonzero = TRUE;
- }
-
- if (tm->tm_mon != 0)
- {
- sprintf(cp, "%s%s%d mon%s", (is_nonzero ? " " : ""),
- ((is_before && (tm->tm_mon > 0)) ? "+" : ""),
- tm->tm_mon, ((tm->tm_mon != 1) ? "s" : ""));
- cp += strlen(cp);
- is_before = (tm->tm_mon < 0);
- is_nonzero = TRUE;
- }
-
- if (tm->tm_mday != 0)
- {
- sprintf(cp, "%s%s%d day%s", (is_nonzero ? " " : ""),
- ((is_before && (tm->tm_mday > 0)) ? "+" : ""),
- tm->tm_mday, ((tm->tm_mday != 1) ? "s" : ""));
- cp += strlen(cp);
- is_before = (tm->tm_mday < 0);
- is_nonzero = TRUE;
- }
- if ((!is_nonzero) || (tm->tm_hour != 0) || (tm->tm_min != 0)
- || (tm->tm_sec != 0) || (fsec != 0))
- {
- int minus = ((tm->tm_hour < 0) || (tm->tm_min < 0)
- || (tm->tm_sec < 0) || (fsec < 0));
-
- sprintf(cp, "%s%s%02d:%02d", (is_nonzero ? " " : ""),
- (minus ? "-" : (is_before ? "+" : "")),
- abs(tm->tm_hour), abs(tm->tm_min));
- cp += strlen(cp);
- /* Mark as "non-zero" since the fields are now filled in */
- is_nonzero = TRUE;
-
- /* fractional seconds? */
- if (fsec != 0)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- sprintf(cp, ":%02d", abs(tm->tm_sec));
- cp += strlen(cp);
- sprintf(cp, ".%06d", ((fsec >= 0)? fsec: -(fsec)));
-#else
- fsec += tm->tm_sec;
- sprintf(cp, ":%013.10f", fabs(fsec));
-#endif
- TrimTrailingZeros(cp);
- cp += strlen(cp);
- is_nonzero = TRUE;
- }
- /* otherwise, integer seconds only? */
- else if (tm->tm_sec != 0)
- {
- sprintf(cp, ":%02d", abs(tm->tm_sec));
- cp += strlen(cp);
- is_nonzero = TRUE;
- }
- }
- break;
-
- case USE_POSTGRES_DATES:
- default:
- strcpy(cp, "@ ");
- cp += strlen(cp);
-
- if (tm->tm_year != 0)
- {
- int year = tm->tm_year;
-
- if (tm->tm_year < 0)
- year = -year;
-
- sprintf(cp, "%d year%s", year,
- ((year != 1) ? "s" : ""));
- cp += strlen(cp);
- is_before = (tm->tm_year < 0);
- is_nonzero = TRUE;
- }
-
- if (tm->tm_mon != 0)
- {
- int mon = tm->tm_mon;
-
- if (is_before || ((!is_nonzero) && (tm->tm_mon < 0)))
- mon = -mon;
-
- sprintf(cp, "%s%d mon%s", (is_nonzero ? " " : ""), mon,
- ((mon != 1) ? "s" : ""));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (tm->tm_mon < 0);
- is_nonzero = TRUE;
- }
-
- if (tm->tm_mday != 0)
- {
- int day = tm->tm_mday;
-
- if (is_before || ((!is_nonzero) && (tm->tm_mday < 0)))
- day = -day;
-
- sprintf(cp, "%s%d day%s", (is_nonzero ? " " : ""), day,
- ((day != 1) ? "s" : ""));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (tm->tm_mday < 0);
- is_nonzero = TRUE;
- }
- if (tm->tm_hour != 0)
- {
- int hour = tm->tm_hour;
-
- if (is_before || ((!is_nonzero) && (tm->tm_hour < 0)))
- hour = -hour;
-
- sprintf(cp, "%s%d hour%s", (is_nonzero ? " " : ""), hour,
- ((hour != 1) ? "s" : ""));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (tm->tm_hour < 0);
- is_nonzero = TRUE;
- }
-
- if (tm->tm_min != 0)
- {
- int min = tm->tm_min;
-
- if (is_before || ((!is_nonzero) && (tm->tm_min < 0)))
- min = -min;
-
- sprintf(cp, "%s%d min%s", (is_nonzero ? " " : ""), min,
- ((min != 1) ? "s" : ""));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (tm->tm_min < 0);
- is_nonzero = TRUE;
- }
-
- /* fractional seconds? */
- if (fsec != 0)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- if (is_before || ((!is_nonzero) && (tm->tm_sec < 0)))
- tm->tm_sec = -tm->tm_sec;
- sprintf(cp, "%s%d.%02d secs", (is_nonzero ? " " : ""),
- tm->tm_sec, (((int) fsec) / 10000));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (fsec < 0);
-#else
- fsec_t sec;
-
- fsec += tm->tm_sec;
- sec = fsec;
- if (is_before || ((!is_nonzero) && (fsec < 0)))
- sec = -sec;
-
- sprintf(cp, "%s%.2f secs", (is_nonzero ? " " : ""), sec);
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (fsec < 0);
-#endif
- is_nonzero = TRUE;
-
- /* otherwise, integer seconds only? */
- }
- else if (tm->tm_sec != 0)
- {
- int sec = tm->tm_sec;
-
- if (is_before || ((!is_nonzero) && (tm->tm_sec < 0)))
- sec = -sec;
-
- sprintf(cp, "%s%d sec%s", (is_nonzero ? " " : ""), sec,
- ((sec != 1) ? "s" : ""));
- cp += strlen(cp);
- if (!is_nonzero)
- is_before = (tm->tm_sec < 0);
- is_nonzero = TRUE;
- }
- break;
- }
-
- /* identically zero? then put in a unitless zero... */
- if (!is_nonzero)
- {
- strcat(cp, "0");
- cp += strlen(cp);
- }
-
- if (is_before && (style == USE_POSTGRES_DATES))
- {
- strcat(cp, " ago");
- cp += strlen(cp);
- }
-
- return 0;
-} /* EncodeInterval() */
-
-
-/* GUC assign_hook for australian_timezones */
-bool
-ClearDateCache(bool newval, bool doit, bool interactive)
-{
- int i;
-
- if (doit)
- {
- for (i = 0; i < MAXDATEFIELDS; i++)
- datecache[i] = NULL;
- }
-
- return true;
-}