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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/access/rtree/rtree.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/access/rtree/rtree.c')
-rw-r--r--src/backend/access/rtree/rtree.c1356
1 files changed, 0 insertions, 1356 deletions
diff --git a/src/backend/access/rtree/rtree.c b/src/backend/access/rtree/rtree.c
deleted file mode 100644
index 1d7af8f01d6..00000000000
--- a/src/backend/access/rtree/rtree.c
+++ /dev/null
@@ -1,1356 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * rtree.c
- * interface routines for the postgres rtree indexed access method.
- *
- * 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/access/rtree/Attic/rtree.c,v 1.73 2002/06/20 20:29:25 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-
-#include "postgres.h"
-
-#include "access/genam.h"
-#include "access/heapam.h"
-#include "access/rtree.h"
-#include "access/xlogutils.h"
-#include "catalog/index.h"
-#include "executor/executor.h"
-#include "miscadmin.h"
-
-
-/*
- * XXX We assume that all datatypes indexable in rtrees are pass-by-reference.
- * To fix this, you'd need to improve the IndexTupleGetDatum() macro, and
- * do something with the various datum-pfreeing code. However, it's not that
- * unreasonable an assumption in practice.
- */
-#define IndexTupleGetDatum(itup) \
- PointerGetDatum(((char *) (itup)) + sizeof(IndexTupleData))
-
-/*
- * Space-allocation macros. Note we count the item's line pointer in its size.
- */
-#define RTPageAvailSpace \
- (BLCKSZ - (sizeof(PageHeaderData) - sizeof(ItemIdData)) \
- - MAXALIGN(sizeof(RTreePageOpaqueData)))
-#define IndexTupleTotalSize(itup) \
- (MAXALIGN(IndexTupleSize(itup)) + sizeof(ItemIdData))
-#define IndexTupleAttSize(itup) \
- (IndexTupleSize(itup) - sizeof(IndexTupleData))
-
-/* results of rtpicksplit() */
-typedef struct SPLITVEC
-{
- OffsetNumber *spl_left;
- int spl_nleft;
- Datum spl_ldatum;
- OffsetNumber *spl_right;
- int spl_nright;
- Datum spl_rdatum;
-} SPLITVEC;
-
-/* for sorting tuples by cost, for picking split */
-typedef struct SPLITCOST
-{
- OffsetNumber offset_number;
- float cost_differential;
- bool choose_left;
-} SPLITCOST;
-
-typedef struct RTSTATE
-{
- FmgrInfo unionFn; /* union function */
- FmgrInfo sizeFn; /* size function */
- FmgrInfo interFn; /* intersection function */
-} RTSTATE;
-
-/* Working state for rtbuild and its callback */
-typedef struct
-{
- RTSTATE rtState;
- double indtuples;
-} RTBuildState;
-
-/* non-export function prototypes */
-static void rtbuildCallback(Relation index,
- HeapTuple htup,
- Datum *attdata,
- char *nulls,
- bool tupleIsAlive,
- void *state);
-static InsertIndexResult rtdoinsert(Relation r, IndexTuple itup,
- RTSTATE *rtstate);
-static void rttighten(Relation r, RTSTACK *stk, Datum datum, int att_size,
- RTSTATE *rtstate);
-static InsertIndexResult rtdosplit(Relation r, Buffer buffer, RTSTACK *stack,
- IndexTuple itup, RTSTATE *rtstate);
-static void rtintinsert(Relation r, RTSTACK *stk, IndexTuple ltup,
- IndexTuple rtup, RTSTATE *rtstate);
-static void rtnewroot(Relation r, IndexTuple lt, IndexTuple rt);
-static void rtpicksplit(Relation r, Page page, SPLITVEC *v, IndexTuple itup,
- RTSTATE *rtstate);
-static void RTInitBuffer(Buffer b, uint32 f);
-static OffsetNumber choose(Relation r, Page p, IndexTuple it,
- RTSTATE *rtstate);
-static int nospace(Page p, IndexTuple it);
-static void initRtstate(RTSTATE *rtstate, Relation index);
-static int qsort_comp_splitcost(const void *a, const void *b);
-
-
-/*
- * routine to build an index. Basically calls insert over and over
- */
-Datum
-rtbuild(PG_FUNCTION_ARGS)
-{
- Relation heap = (Relation) PG_GETARG_POINTER(0);
- Relation index = (Relation) PG_GETARG_POINTER(1);
- IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
- double reltuples;
- RTBuildState buildstate;
- Buffer buffer;
-
- /* no locking is needed */
-
- initRtstate(&buildstate.rtState, index);
-
- /*
- * We expect to be called exactly once for any index relation. If
- * that's not the case, big trouble's what we have.
- */
- if (RelationGetNumberOfBlocks(index) != 0)
- elog(ERROR, "%s already contains data",
- RelationGetRelationName(index));
-
- /* initialize the root page */
- buffer = ReadBuffer(index, P_NEW);
- RTInitBuffer(buffer, F_LEAF);
- WriteBuffer(buffer);
-
- /* build the index */
- buildstate.indtuples = 0;
-
- /* do the heap scan */
- reltuples = IndexBuildHeapScan(heap, index, indexInfo,
- rtbuildCallback, (void *) &buildstate);
-
- /* okay, all heap tuples are indexed */
-
- /*
- * Since we just counted the tuples in the heap, we update its stats
- * in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during normal
- * index definitions, not for indices on system catalogs created
- * during bootstrap processing. We must close the relations before
- * updating statistics to guarantee that the relcache entries are
- * flushed when we increment the command counter in UpdateStats(). But
- * we do not release any locks on the relations; those will be held
- * until end of transaction.
- */
- if (IsNormalProcessingMode())
- {
- Oid hrelid = RelationGetRelid(heap);
- Oid irelid = RelationGetRelid(index);
-
- heap_close(heap, NoLock);
- index_close(index);
- UpdateStats(hrelid, reltuples);
- UpdateStats(irelid, buildstate.indtuples);
- }
-
- PG_RETURN_VOID();
-}
-
-/*
- * Per-tuple callback from IndexBuildHeapScan
- */
-static void
-rtbuildCallback(Relation index,
- HeapTuple htup,
- Datum *attdata,
- char *nulls,
- bool tupleIsAlive,
- void *state)
-{
- RTBuildState *buildstate = (RTBuildState *) state;
- IndexTuple itup;
- InsertIndexResult res;
-
- /* form an index tuple and point it at the heap tuple */
- itup = index_formtuple(RelationGetDescr(index), attdata, nulls);
- itup->t_tid = htup->t_self;
-
- /* rtree indexes don't index nulls, see notes in rtinsert */
- if (IndexTupleHasNulls(itup))
- {
- pfree(itup);
- return;
- }
-
- /*
- * Since we already have the index relation locked, we call rtdoinsert
- * directly. Normal access method calls dispatch through rtinsert,
- * which locks the relation for write. This is the right thing to do
- * if you're inserting single tups, but not when you're initializing
- * the whole index at once.
- */
- res = rtdoinsert(index, itup, &buildstate->rtState);
-
- if (res)
- pfree(res);
-
- buildstate->indtuples += 1;
-
- pfree(itup);
-}
-
-/*
- * rtinsert -- wrapper for rtree tuple insertion.
- *
- * This is the public interface routine for tuple insertion in rtrees.
- * It doesn't do any work; just locks the relation and passes the buck.
- */
-Datum
-rtinsert(PG_FUNCTION_ARGS)
-{
- Relation r = (Relation) PG_GETARG_POINTER(0);
- Datum *datum = (Datum *) PG_GETARG_POINTER(1);
- char *nulls = (char *) PG_GETARG_POINTER(2);
- ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
-#ifdef NOT_USED
- Relation heapRel = (Relation) PG_GETARG_POINTER(4);
- bool checkUnique = PG_GETARG_BOOL(5);
-#endif
- InsertIndexResult res;
- IndexTuple itup;
- RTSTATE rtState;
-
- /* generate an index tuple */
- itup = index_formtuple(RelationGetDescr(r), datum, nulls);
- itup->t_tid = *ht_ctid;
-
- /*
- * Currently, rtrees do not support indexing NULLs; considerable
- * infrastructure work would have to be done to do anything reasonable
- * with a NULL.
- */
- if (IndexTupleHasNulls(itup))
- {
- pfree(itup);
- PG_RETURN_POINTER((InsertIndexResult) NULL);
- }
-
- initRtstate(&rtState, r);
-
- /*
- * Since rtree is not marked "amconcurrent" in pg_am, caller should
- * have acquired exclusive lock on index relation. We need no locking
- * here.
- */
-
- res = rtdoinsert(r, itup, &rtState);
-
- PG_RETURN_POINTER(res);
-}
-
-static InsertIndexResult
-rtdoinsert(Relation r, IndexTuple itup, RTSTATE *rtstate)
-{
- Page page;
- Buffer buffer;
- BlockNumber blk;
- IndexTuple which;
- OffsetNumber l;
- RTSTACK *stack;
- InsertIndexResult res;
- RTreePageOpaque opaque;
- Datum datum;
-
- blk = P_ROOT;
- buffer = InvalidBuffer;
- stack = (RTSTACK *) NULL;
-
- do
- {
- /* let go of current buffer before getting next */
- if (buffer != InvalidBuffer)
- ReleaseBuffer(buffer);
-
- /* get next buffer */
- buffer = ReadBuffer(r, blk);
- page = (Page) BufferGetPage(buffer);
-
- opaque = (RTreePageOpaque) PageGetSpecialPointer(page);
- if (!(opaque->flags & F_LEAF))
- {
- RTSTACK *n;
- ItemId iid;
-
- n = (RTSTACK *) palloc(sizeof(RTSTACK));
- n->rts_parent = stack;
- n->rts_blk = blk;
- n->rts_child = choose(r, page, itup, rtstate);
- stack = n;
-
- iid = PageGetItemId(page, n->rts_child);
- which = (IndexTuple) PageGetItem(page, iid);
- blk = ItemPointerGetBlockNumber(&(which->t_tid));
- }
- } while (!(opaque->flags & F_LEAF));
-
- if (nospace(page, itup))
- {
- /* need to do a split */
- res = rtdosplit(r, buffer, stack, itup, rtstate);
- freestack(stack);
- WriteBuffer(buffer); /* don't forget to release buffer! */
- return res;
- }
-
- /* add the item and write the buffer */
- if (PageIsEmpty(page))
- {
- l = PageAddItem(page, (Item) itup, IndexTupleSize(itup),
- FirstOffsetNumber,
- LP_USED);
- }
- else
- {
- l = PageAddItem(page, (Item) itup, IndexTupleSize(itup),
- OffsetNumberNext(PageGetMaxOffsetNumber(page)),
- LP_USED);
- }
- if (l == InvalidOffsetNumber)
- elog(ERROR, "rtdoinsert: failed to add index item to %s",
- RelationGetRelationName(r));
-
- WriteBuffer(buffer);
-
- datum = IndexTupleGetDatum(itup);
-
- /* now expand the page boundary in the parent to include the new child */
- rttighten(r, stack, datum, IndexTupleAttSize(itup), rtstate);
- freestack(stack);
-
- /* build and return an InsertIndexResult for this insertion */
- res = (InsertIndexResult) palloc(sizeof(InsertIndexResultData));
- ItemPointerSet(&(res->pointerData), blk, l);
-
- return res;
-}
-
-static void
-rttighten(Relation r,
- RTSTACK *stk,
- Datum datum,
- int att_size,
- RTSTATE *rtstate)
-{
- Datum oldud;
- Datum tdatum;
- Page p;
- float old_size,
- newd_size;
- Buffer b;
-
- if (stk == (RTSTACK *) NULL)
- return;
-
- b = ReadBuffer(r, stk->rts_blk);
- p = BufferGetPage(b);
-
- oldud = IndexTupleGetDatum(PageGetItem(p,
- PageGetItemId(p, stk->rts_child)));
-
- FunctionCall2(&rtstate->sizeFn, oldud,
- PointerGetDatum(&old_size));
-
- datum = FunctionCall2(&rtstate->unionFn, oldud, datum);
-
- FunctionCall2(&rtstate->sizeFn, datum,
- PointerGetDatum(&newd_size));
-
- /*
- * If newd_size == 0 we have degenerate rectangles, so we don't know
- * if there was any change, so we have to assume there was.
- */
- if ((newd_size == 0) || (newd_size != old_size))
- {
- TupleDesc td = RelationGetDescr(r);
-
- if (td->attrs[0]->attlen < 0)
- {
- /*
- * This is an internal page, so 'oldud' had better be a union
- * (constant-length) key, too. (See comment below.)
- */
- Assert(VARSIZE(DatumGetPointer(datum)) ==
- VARSIZE(DatumGetPointer(oldud)));
- memmove(DatumGetPointer(oldud), DatumGetPointer(datum),
- VARSIZE(DatumGetPointer(datum)));
- }
- else
- {
- memmove(DatumGetPointer(oldud), DatumGetPointer(datum),
- att_size);
- }
- WriteBuffer(b);
-
- /*
- * The user may be defining an index on variable-sized data (like
- * polygons). If so, we need to get a constant-sized datum for
- * insertion on the internal page. We do this by calling the
- * union proc, which is required to return a rectangle.
- */
- tdatum = FunctionCall2(&rtstate->unionFn, datum, datum);
-
- rttighten(r, stk->rts_parent, tdatum, att_size, rtstate);
- pfree(DatumGetPointer(tdatum));
- }
- else
- ReleaseBuffer(b);
- pfree(DatumGetPointer(datum));
-}
-
-/*
- * rtdosplit -- split a page in the tree.
- *
- * rtpicksplit does the interesting work of choosing the split.
- * This routine just does the bit-pushing.
- */
-static InsertIndexResult
-rtdosplit(Relation r,
- Buffer buffer,
- RTSTACK *stack,
- IndexTuple itup,
- RTSTATE *rtstate)
-{
- Page p;
- Buffer leftbuf,
- rightbuf;
- Page left,
- right;
- ItemId itemid;
- IndexTuple item;
- IndexTuple ltup,
- rtup;
- OffsetNumber maxoff;
- OffsetNumber i;
- OffsetNumber leftoff,
- rightoff;
- BlockNumber lbknum,
- rbknum;
- BlockNumber bufblock;
- RTreePageOpaque opaque;
- int blank;
- InsertIndexResult res;
- char *isnull;
- SPLITVEC v;
- OffsetNumber *spl_left,
- *spl_right;
- TupleDesc tupDesc;
- int n;
- OffsetNumber newitemoff;
-
- p = (Page) BufferGetPage(buffer);
- opaque = (RTreePageOpaque) PageGetSpecialPointer(p);
-
- rtpicksplit(r, p, &v, itup, rtstate);
-
- /*
- * The root of the tree is the first block in the relation. If we're
- * about to split the root, we need to do some hocus-pocus to enforce
- * this guarantee.
- */
-
- if (BufferGetBlockNumber(buffer) == P_ROOT)
- {
- leftbuf = ReadBuffer(r, P_NEW);
- RTInitBuffer(leftbuf, opaque->flags);
- lbknum = BufferGetBlockNumber(leftbuf);
- left = (Page) BufferGetPage(leftbuf);
- }
- else
- {
- leftbuf = buffer;
- IncrBufferRefCount(buffer);
- lbknum = BufferGetBlockNumber(buffer);
- left = (Page) PageGetTempPage(p, sizeof(RTreePageOpaqueData));
- }
-
- rightbuf = ReadBuffer(r, P_NEW);
- RTInitBuffer(rightbuf, opaque->flags);
- rbknum = BufferGetBlockNumber(rightbuf);
- right = (Page) BufferGetPage(rightbuf);
-
- spl_left = v.spl_left;
- spl_right = v.spl_right;
- leftoff = rightoff = FirstOffsetNumber;
- maxoff = PageGetMaxOffsetNumber(p);
- newitemoff = OffsetNumberNext(maxoff);
-
- /* build an InsertIndexResult for this insertion */
- res = (InsertIndexResult) palloc(sizeof(InsertIndexResultData));
-
- /*
- * spl_left contains a list of the offset numbers of the tuples that
- * will go to the left page. For each offset number, get the tuple
- * item, then add the item to the left page. Similarly for the right
- * side.
- */
-
- /* fill left node */
- for (n = 0; n < v.spl_nleft; n++)
- {
- i = *spl_left;
- if (i == newitemoff)
- item = itup;
- else
- {
- itemid = PageGetItemId(p, i);
- item = (IndexTuple) PageGetItem(p, itemid);
- }
-
- if (PageAddItem(left, (Item) item, IndexTupleSize(item),
- leftoff, LP_USED) == InvalidOffsetNumber)
- elog(ERROR, "rtdosplit: failed to add index item to %s",
- RelationGetRelationName(r));
- leftoff = OffsetNumberNext(leftoff);
-
- if (i == newitemoff)
- ItemPointerSet(&(res->pointerData), lbknum, leftoff);
-
- spl_left++; /* advance in left split vector */
- }
-
- /* fill right node */
- for (n = 0; n < v.spl_nright; n++)
- {
- i = *spl_right;
- if (i == newitemoff)
- item = itup;
- else
- {
- itemid = PageGetItemId(p, i);
- item = (IndexTuple) PageGetItem(p, itemid);
- }
-
- if (PageAddItem(right, (Item) item, IndexTupleSize(item),
- rightoff, LP_USED) == InvalidOffsetNumber)
- elog(ERROR, "rtdosplit: failed to add index item to %s",
- RelationGetRelationName(r));
- rightoff = OffsetNumberNext(rightoff);
-
- if (i == newitemoff)
- ItemPointerSet(&(res->pointerData), rbknum, rightoff);
-
- spl_right++; /* advance in right split vector */
- }
-
- /* Make sure we consumed all of the split vectors, and release 'em */
- Assert(*spl_left == InvalidOffsetNumber);
- Assert(*spl_right == InvalidOffsetNumber);
- pfree(v.spl_left);
- pfree(v.spl_right);
-
- if ((bufblock = BufferGetBlockNumber(buffer)) != P_ROOT)
- PageRestoreTempPage(left, p);
- WriteBuffer(leftbuf);
- WriteBuffer(rightbuf);
-
- /*
- * Okay, the page is split. We have three things left to do:
- *
- * 1) Adjust any active scans on this index to cope with changes we
- * introduced in its structure by splitting this page.
- *
- * 2) "Tighten" the bounding box of the pointer to the left page in the
- * parent node in the tree, if any. Since we moved a bunch of stuff
- * off the left page, we expect it to get smaller. This happens in
- * the internal insertion routine.
- *
- * 3) Insert a pointer to the right page in the parent. This may cause
- * the parent to split. If it does, we need to repeat steps one and
- * two for each split node in the tree.
- */
-
- /* adjust active scans */
- rtadjscans(r, RTOP_SPLIT, bufblock, FirstOffsetNumber);
-
- tupDesc = r->rd_att;
- isnull = (char *) palloc(r->rd_rel->relnatts);
- for (blank = 0; blank < r->rd_rel->relnatts; blank++)
- isnull[blank] = ' ';
-
- ltup = (IndexTuple) index_formtuple(tupDesc,
- &(v.spl_ldatum), isnull);
- rtup = (IndexTuple) index_formtuple(tupDesc,
- &(v.spl_rdatum), isnull);
- pfree(isnull);
-
- /* set pointers to new child pages in the internal index tuples */
- ItemPointerSet(&(ltup->t_tid), lbknum, 1);
- ItemPointerSet(&(rtup->t_tid), rbknum, 1);
-
- rtintinsert(r, stack, ltup, rtup, rtstate);
-
- pfree(ltup);
- pfree(rtup);
-
- return res;
-}
-
-static void
-rtintinsert(Relation r,
- RTSTACK *stk,
- IndexTuple ltup,
- IndexTuple rtup,
- RTSTATE *rtstate)
-{
- IndexTuple old;
- Buffer b;
- Page p;
- Datum ldatum,
- rdatum,
- newdatum;
- InsertIndexResult res;
-
- if (stk == (RTSTACK *) NULL)
- {
- rtnewroot(r, ltup, rtup);
- return;
- }
-
- b = ReadBuffer(r, stk->rts_blk);
- p = BufferGetPage(b);
- old = (IndexTuple) PageGetItem(p, PageGetItemId(p, stk->rts_child));
-
- /*
- * This is a hack. Right now, we force rtree internal keys to be
- * constant size. To fix this, need delete the old key and add both
- * left and right for the two new pages. The insertion of left may
- * force a split if the new left key is bigger than the old key.
- */
-
- if (IndexTupleSize(old) != IndexTupleSize(ltup))
- elog(ERROR, "Variable-length rtree keys are not supported.");
-
- /* install pointer to left child */
- memmove(old, ltup, IndexTupleSize(ltup));
-
- if (nospace(p, rtup))
- {
- newdatum = IndexTupleGetDatum(ltup);
- rttighten(r, stk->rts_parent, newdatum,
- IndexTupleAttSize(ltup), rtstate);
- res = rtdosplit(r, b, stk->rts_parent, rtup, rtstate);
- WriteBuffer(b); /* don't forget to release buffer! -
- * 01/31/94 */
- pfree(res);
- }
- else
- {
- if (PageAddItem(p, (Item) rtup, IndexTupleSize(rtup),
- PageGetMaxOffsetNumber(p),
- LP_USED) == InvalidOffsetNumber)
- elog(ERROR, "rtintinsert: failed to add index item to %s",
- RelationGetRelationName(r));
- WriteBuffer(b);
- ldatum = IndexTupleGetDatum(ltup);
- rdatum = IndexTupleGetDatum(rtup);
- newdatum = FunctionCall2(&rtstate->unionFn, ldatum, rdatum);
-
- rttighten(r, stk->rts_parent, newdatum,
- IndexTupleAttSize(rtup), rtstate);
-
- pfree(DatumGetPointer(newdatum));
- }
-}
-
-static void
-rtnewroot(Relation r, IndexTuple lt, IndexTuple rt)
-{
- Buffer b;
- Page p;
-
- b = ReadBuffer(r, P_ROOT);
- RTInitBuffer(b, 0);
- p = BufferGetPage(b);
- if (PageAddItem(p, (Item) lt, IndexTupleSize(lt),
- FirstOffsetNumber,
- LP_USED) == InvalidOffsetNumber)
- elog(ERROR, "rtnewroot: failed to add index item to %s",
- RelationGetRelationName(r));
- if (PageAddItem(p, (Item) rt, IndexTupleSize(rt),
- OffsetNumberNext(FirstOffsetNumber),
- LP_USED) == InvalidOffsetNumber)
- elog(ERROR, "rtnewroot: failed to add index item to %s",
- RelationGetRelationName(r));
- WriteBuffer(b);
-}
-
-/*
- * Choose how to split an rtree page into two pages.
- *
- * We return two vectors of index item numbers, one for the items to be
- * put on the left page, one for the items to be put on the right page.
- * In addition, the item to be added (itup) is listed in the appropriate
- * vector. It is represented by item number N+1 (N = # of items on page).
- *
- * Both vectors have a terminating sentinel value of InvalidOffsetNumber,
- * but the sentinal value is no longer used, because the SPLITVEC
- * vector also contains the length of each vector, and that information
- * is now used to iterate over them in rtdosplit(). --kbb, 21 Sept 2001
- *
- * The bounding-box datums for the two new pages are also returned in *v.
- *
- * This is the quadratic-cost split algorithm Guttman describes in
- * his paper. The reason we chose it is that you can implement this
- * with less information about the data types on which you're operating.
- *
- * We must also deal with a consideration not found in Guttman's algorithm:
- * variable-length data. In particular, the incoming item might be
- * large enough that not just any split will work. In the worst case,
- * our "split" may have to be the new item on one page and all the existing
- * items on the other. Short of that, we have to take care that we do not
- * make a split that leaves both pages too full for the new item.
- */
-static void
-rtpicksplit(Relation r,
- Page page,
- SPLITVEC *v,
- IndexTuple itup,
- RTSTATE *rtstate)
-{
- OffsetNumber maxoff,
- newitemoff;
- OffsetNumber i,
- j;
- IndexTuple item_1,
- item_2;
- Datum datum_alpha,
- datum_beta;
- Datum datum_l,
- datum_r;
- Datum union_d,
- union_dl,
- union_dr;
- Datum inter_d;
- bool firsttime;
- float size_alpha,
- size_beta,
- size_union,
- size_inter;
- float size_waste,
- waste;
- float size_l,
- size_r;
- int nbytes;
- OffsetNumber seed_1 = 0,
- seed_2 = 0;
- OffsetNumber *left,
- *right;
- Size newitemsz,
- item_1_sz,
- item_2_sz,
- left_avail_space,
- right_avail_space;
- int total_num_tuples,
- num_tuples_without_seeds,
- max_after_split; /* in Guttman's lingo, (M - m) */
- float diff; /* diff between cost of putting tuple left
- * or right */
- SPLITCOST *cost_vector;
- int n;
-
- /*
- * First, make sure the new item is not so large that we can't
- * possibly fit it on a page, even by itself. (It's sufficient to
- * make this test here, since any oversize tuple must lead to a page
- * split attempt.)
- */
- newitemsz = IndexTupleTotalSize(itup);
- if (newitemsz > RTPageAvailSpace)
- elog(ERROR, "rtree: index item size %lu exceeds maximum %lu",
- (unsigned long) newitemsz, (unsigned long) RTPageAvailSpace);
-
- maxoff = PageGetMaxOffsetNumber(page);
- newitemoff = OffsetNumberNext(maxoff); /* phony index for new
- * item */
- total_num_tuples = newitemoff;
- num_tuples_without_seeds = total_num_tuples - 2;
- max_after_split = total_num_tuples / 2; /* works for m = M/2 */
-
- /* Make arrays big enough for worst case, including sentinel */
- nbytes = (maxoff + 2) * sizeof(OffsetNumber);
- v->spl_left = (OffsetNumber *) palloc(nbytes);
- v->spl_right = (OffsetNumber *) palloc(nbytes);
-
- firsttime = true;
- waste = 0.0;
-
- for (i = FirstOffsetNumber; i < maxoff; i = OffsetNumberNext(i))
- {
- item_1 = (IndexTuple) PageGetItem(page, PageGetItemId(page, i));
- datum_alpha = IndexTupleGetDatum(item_1);
- item_1_sz = IndexTupleTotalSize(item_1);
-
- for (j = OffsetNumberNext(i); j <= maxoff; j = OffsetNumberNext(j))
- {
- item_2 = (IndexTuple) PageGetItem(page, PageGetItemId(page, j));
- datum_beta = IndexTupleGetDatum(item_2);
- item_2_sz = IndexTupleTotalSize(item_2);
-
- /*
- * Ignore seed pairs that don't leave room for the new item on
- * either split page.
- */
- if (newitemsz + item_1_sz > RTPageAvailSpace &&
- newitemsz + item_2_sz > RTPageAvailSpace)
- continue;
-
- /* compute the wasted space by unioning these guys */
- union_d = FunctionCall2(&rtstate->unionFn,
- datum_alpha, datum_beta);
- FunctionCall2(&rtstate->sizeFn, union_d,
- PointerGetDatum(&size_union));
- inter_d = FunctionCall2(&rtstate->interFn,
- datum_alpha, datum_beta);
-
- /*
- * The interFn may return a NULL pointer (not an SQL null!) to
- * indicate no intersection. sizeFn must cope with this.
- */
- FunctionCall2(&rtstate->sizeFn, inter_d,
- PointerGetDatum(&size_inter));
- size_waste = size_union - size_inter;
-
- if (DatumGetPointer(union_d) != NULL)
- pfree(DatumGetPointer(union_d));
- if (DatumGetPointer(inter_d) != NULL)
- pfree(DatumGetPointer(inter_d));
-
- /*
- * are these a more promising split that what we've already
- * seen?
- */
- if (size_waste > waste || firsttime)
- {
- waste = size_waste;
- seed_1 = i;
- seed_2 = j;
- firsttime = false;
- }
- }
- }
-
- if (firsttime)
- {
- /*
- * There is no possible split except to put the new item on its
- * own page. Since we still have to compute the union rectangles,
- * we play dumb and run through the split algorithm anyway,
- * setting seed_1 = first item on page and seed_2 = new item.
- */
- seed_1 = FirstOffsetNumber;
- seed_2 = newitemoff;
- }
-
- item_1 = (IndexTuple) PageGetItem(page, PageGetItemId(page, seed_1));
- datum_alpha = IndexTupleGetDatum(item_1);
- datum_l = FunctionCall2(&rtstate->unionFn, datum_alpha, datum_alpha);
- FunctionCall2(&rtstate->sizeFn, datum_l, PointerGetDatum(&size_l));
- left_avail_space = RTPageAvailSpace - IndexTupleTotalSize(item_1);
-
- if (seed_2 == newitemoff)
- {
- item_2 = itup;
- /* Needn't leave room for new item in calculations below */
- newitemsz = 0;
- }
- else
- item_2 = (IndexTuple) PageGetItem(page, PageGetItemId(page, seed_2));
- datum_beta = IndexTupleGetDatum(item_2);
- datum_r = FunctionCall2(&rtstate->unionFn, datum_beta, datum_beta);
- FunctionCall2(&rtstate->sizeFn, datum_r, PointerGetDatum(&size_r));
- right_avail_space = RTPageAvailSpace - IndexTupleTotalSize(item_2);
-
- /*
- * Now split up the regions between the two seeds.
- *
- * The cost_vector array will contain hints for determining where each
- * tuple should go. Each record in the array will contain a boolean,
- * choose_left, that indicates which node the tuple prefers to be on,
- * and the absolute difference in cost between putting the tuple in
- * its favored node and in the other node.
- *
- * Later, we will sort the cost_vector in descending order by cost
- * difference, and consider the tuples in that order for placement.
- * That way, the tuples that *really* want to be in one node or the
- * other get to choose first, and the tuples that don't really care
- * choose last.
- *
- * First, build the cost_vector array. The new index tuple will also be
- * handled in this loop, and represented in the array, with
- * i==newitemoff.
- *
- * In the case of variable size tuples it is possible that we only have
- * the two seeds and no other tuples, in which case we don't do any of
- * this cost_vector stuff.
- */
-
- /* to keep compiler quiet */
- cost_vector = (SPLITCOST *) NULL;
-
- if (num_tuples_without_seeds > 0)
- {
- cost_vector =
- (SPLITCOST *) palloc(num_tuples_without_seeds * sizeof(SPLITCOST));
- n = 0;
- for (i = FirstOffsetNumber; i <= newitemoff; i = OffsetNumberNext(i))
- {
- /* Compute new union datums and sizes for both choices */
-
- if ((i == seed_1) || (i == seed_2))
- continue;
- else if (i == newitemoff)
- item_1 = itup;
- else
- item_1 = (IndexTuple) PageGetItem(page, PageGetItemId(page, i));
-
- datum_alpha = IndexTupleGetDatum(item_1);
- union_dl = FunctionCall2(&rtstate->unionFn, datum_l, datum_alpha);
- union_dr = FunctionCall2(&rtstate->unionFn, datum_r, datum_alpha);
- FunctionCall2(&rtstate->sizeFn, union_dl,
- PointerGetDatum(&size_alpha));
- FunctionCall2(&rtstate->sizeFn, union_dr,
- PointerGetDatum(&size_beta));
-
- diff = (size_alpha - size_l) - (size_beta - size_r);
-
- cost_vector[n].offset_number = i;
- cost_vector[n].cost_differential = fabs(diff);
- cost_vector[n].choose_left = (diff < 0);
-
- n++;
- }
-
- /*
- * Sort the array. The function qsort_comp_splitcost is set up
- * "backwards", to provided descending order.
- */
- qsort(cost_vector, num_tuples_without_seeds, sizeof(SPLITCOST),
- &qsort_comp_splitcost);
- }
-
- /*
- * Now make the final decisions about where each tuple will go, and
- * build the vectors to return in the SPLITVEC record.
- *
- * The cost_vector array contains (descriptions of) all the tuples, in
- * the order that we want to consider them, so we we just iterate
- * through it and place each tuple in left or right nodes, according
- * to the criteria described below.
- */
-
- left = v->spl_left;
- v->spl_nleft = 0;
- right = v->spl_right;
- v->spl_nright = 0;
-
- /*
- * Place the seeds first. left avail space, left union, right avail
- * space, and right union have already been adjusted for the seeds.
- */
-
- *left++ = seed_1;
- v->spl_nleft++;
-
- *right++ = seed_2;
- v->spl_nright++;
-
- for (n = 0; n < num_tuples_without_seeds; n++)
- {
- bool left_feasible,
- right_feasible,
- choose_left;
-
- /*
- * We need to figure out which page needs the least enlargement in
- * order to store the item.
- */
-
- i = cost_vector[n].offset_number;
-
- /* Compute new union datums and sizes for both possible additions */
- if (i == newitemoff)
- {
- item_1 = itup;
- /* Needn't leave room for new item anymore */
- newitemsz = 0;
- }
- else
- item_1 = (IndexTuple) PageGetItem(page, PageGetItemId(page, i));
- item_1_sz = IndexTupleTotalSize(item_1);
-
- datum_alpha = IndexTupleGetDatum(item_1);
- union_dl = FunctionCall2(&rtstate->unionFn, datum_l, datum_alpha);
- union_dr = FunctionCall2(&rtstate->unionFn, datum_r, datum_alpha);
- FunctionCall2(&rtstate->sizeFn, union_dl,
- PointerGetDatum(&size_alpha));
- FunctionCall2(&rtstate->sizeFn, union_dr,
- PointerGetDatum(&size_beta));
-
- /*
- * We prefer the page that shows smaller enlargement of its union
- * area (Guttman's algorithm), but we must take care that at least
- * one page will still have room for the new item after this one
- * is added.
- *
- * (We know that all the old items together can fit on one page, so
- * we need not worry about any other problem than failing to fit
- * the new item.)
- *
- * Guttman's algorithm actually has two factors to consider (in
- * order): 1. if one node has so many tuples already assigned to
- * it that the other needs all the rest in order to satisfy the
- * condition that neither node has fewer than m tuples, then that
- * is decisive; 2. otherwise, choose the page that shows the
- * smaller enlargement of its union area.
- *
- * I have chosen m = M/2, where M is the maximum number of tuples on
- * a page. (Actually, this is only strictly true for fixed size
- * tuples. For variable size tuples, there still might have to be
- * only one tuple on a page, if it is really big. But even with
- * variable size tuples we still try to get m as close as possible
- * to M/2.)
- *
- * The question of which page shows the smaller enlargement of its
- * union area has already been answered, and the answer stored in
- * the choose_left field of the SPLITCOST record.
- */
- left_feasible = (left_avail_space >= item_1_sz &&
- ((left_avail_space - item_1_sz) >= newitemsz ||
- right_avail_space >= newitemsz));
- right_feasible = (right_avail_space >= item_1_sz &&
- ((right_avail_space - item_1_sz) >= newitemsz ||
- left_avail_space >= newitemsz));
- if (left_feasible && right_feasible)
- {
- /*
- * Both feasible, use Guttman's algorithm. First check the m
- * condition described above, and if that doesn't apply,
- * choose the page with the smaller enlargement of its union
- * area.
- */
- if (v->spl_nleft > max_after_split)
- choose_left = false;
- else if (v->spl_nright > max_after_split)
- choose_left = true;
- else
- choose_left = cost_vector[n].choose_left;
- }
- else if (left_feasible)
- choose_left = true;
- else if (right_feasible)
- choose_left = false;
- else
- {
- elog(ERROR, "rtpicksplit: failed to find a workable page split");
- choose_left = false; /* keep compiler quiet */
- }
-
- if (choose_left)
- {
- pfree(DatumGetPointer(datum_l));
- pfree(DatumGetPointer(union_dr));
- datum_l = union_dl;
- size_l = size_alpha;
- left_avail_space -= item_1_sz;
- *left++ = i;
- v->spl_nleft++;
- }
- else
- {
- pfree(DatumGetPointer(datum_r));
- pfree(DatumGetPointer(union_dl));
- datum_r = union_dr;
- size_r = size_beta;
- right_avail_space -= item_1_sz;
- *right++ = i;
- v->spl_nright++;
- }
- }
-
- if (num_tuples_without_seeds > 0)
- pfree(cost_vector);
-
- *left = *right = InvalidOffsetNumber; /* add ending sentinels */
-
- v->spl_ldatum = datum_l;
- v->spl_rdatum = datum_r;
-}
-
-static void
-RTInitBuffer(Buffer b, uint32 f)
-{
- RTreePageOpaque opaque;
- Page page;
- Size pageSize;
-
- pageSize = BufferGetPageSize(b);
-
- page = BufferGetPage(b);
-
- PageInit(page, pageSize, sizeof(RTreePageOpaqueData));
-
- opaque = (RTreePageOpaque) PageGetSpecialPointer(page);
- opaque->flags = f;
-}
-
-static OffsetNumber
-choose(Relation r, Page p, IndexTuple it, RTSTATE *rtstate)
-{
- OffsetNumber maxoff;
- OffsetNumber i;
- Datum ud,
- id;
- Datum datum;
- float usize,
- dsize;
- OffsetNumber which;
- float which_grow;
-
- id = IndexTupleGetDatum(it);
- maxoff = PageGetMaxOffsetNumber(p);
- which_grow = -1.0;
- which = -1;
-
- for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i))
- {
- datum = IndexTupleGetDatum(PageGetItem(p, PageGetItemId(p, i)));
- FunctionCall2(&rtstate->sizeFn, datum,
- PointerGetDatum(&dsize));
- ud = FunctionCall2(&rtstate->unionFn, datum, id);
- FunctionCall2(&rtstate->sizeFn, ud,
- PointerGetDatum(&usize));
- pfree(DatumGetPointer(ud));
- if (which_grow < 0 || usize - dsize < which_grow)
- {
- which = i;
- which_grow = usize - dsize;
- if (which_grow == 0)
- break;
- }
- }
-
- return which;
-}
-
-static int
-nospace(Page p, IndexTuple it)
-{
- return PageGetFreeSpace(p) < IndexTupleSize(it);
-}
-
-void
-freestack(RTSTACK *s)
-{
- RTSTACK *p;
-
- while (s != (RTSTACK *) NULL)
- {
- p = s->rts_parent;
- pfree(s);
- s = p;
- }
-}
-
-/*
- * Bulk deletion of all index entries pointing to a set of heap tuples.
- * The set of target tuples is specified via a callback routine that tells
- * whether any given heap tuple (identified by ItemPointer) is being deleted.
- *
- * Result: a palloc'd struct containing statistical info for VACUUM displays.
- */
-Datum
-rtbulkdelete(PG_FUNCTION_ARGS)
-{
- Relation rel = (Relation) PG_GETARG_POINTER(0);
- IndexBulkDeleteCallback callback = (IndexBulkDeleteCallback) PG_GETARG_POINTER(1);
- void *callback_state = (void *) PG_GETARG_POINTER(2);
- IndexBulkDeleteResult *result;
- BlockNumber num_pages;
- double tuples_removed;
- double num_index_tuples;
- IndexScanDesc iscan;
-
- tuples_removed = 0;
- num_index_tuples = 0;
-
- /*
- * Since rtree is not marked "amconcurrent" in pg_am, caller should
- * have acquired exclusive lock on index relation. We need no locking
- * here.
- */
-
- /*
- * XXX generic implementation --- should be improved!
- */
-
- /* walk through the entire index */
- iscan = index_beginscan(NULL, rel, SnapshotAny, 0, (ScanKey) NULL);
- /* including killed tuples */
- iscan->ignore_killed_tuples = false;
-
- while (index_getnext_indexitem(iscan, ForwardScanDirection))
- {
- if (callback(&iscan->xs_ctup.t_self, callback_state))
- {
- ItemPointerData indextup = iscan->currentItemData;
- BlockNumber blkno;
- OffsetNumber offnum;
- Buffer buf;
- Page page;
-
- blkno = ItemPointerGetBlockNumber(&indextup);
- offnum = ItemPointerGetOffsetNumber(&indextup);
-
- /* adjust any scans that will be affected by this deletion */
- /* (namely, my own scan) */
- rtadjscans(rel, RTOP_DEL, blkno, offnum);
-
- /* delete the index tuple */
- buf = ReadBuffer(rel, blkno);
- page = BufferGetPage(buf);
-
- PageIndexTupleDelete(page, offnum);
-
- WriteBuffer(buf);
-
- tuples_removed += 1;
- }
- else
- num_index_tuples += 1;
- }
-
- index_endscan(iscan);
-
- /* return statistics */
- num_pages = RelationGetNumberOfBlocks(rel);
-
- result = (IndexBulkDeleteResult *) palloc(sizeof(IndexBulkDeleteResult));
- result->num_pages = num_pages;
- result->tuples_removed = tuples_removed;
- result->num_index_tuples = num_index_tuples;
-
- PG_RETURN_POINTER(result);
-}
-
-
-static void
-initRtstate(RTSTATE *rtstate, Relation index)
-{
- fmgr_info_copy(&rtstate->unionFn,
- index_getprocinfo(index, 1, RT_UNION_PROC),
- CurrentMemoryContext);
- fmgr_info_copy(&rtstate->sizeFn,
- index_getprocinfo(index, 1, RT_SIZE_PROC),
- CurrentMemoryContext);
- fmgr_info_copy(&rtstate->interFn,
- index_getprocinfo(index, 1, RT_INTER_PROC),
- CurrentMemoryContext);
-}
-
-/* for sorting SPLITCOST records in descending order */
-static int
-qsort_comp_splitcost(const void *a, const void *b)
-{
- float diff =
- ((SPLITCOST *) a)->cost_differential -
- ((SPLITCOST *) b)->cost_differential;
-
- if (diff < 0)
- return 1;
- else if (diff > 0)
- return -1;
- else
- return 0;
-}
-
-#ifdef RTDEBUG
-
-void
-_rtdump(Relation r)
-{
- Buffer buf;
- Page page;
- OffsetNumber offnum,
- maxoff;
- BlockNumber blkno;
- BlockNumber nblocks;
- RTreePageOpaque po;
- IndexTuple itup;
- BlockNumber itblkno;
- OffsetNumber itoffno;
- Datum datum;
- char *itkey;
-
- nblocks = RelationGetNumberOfBlocks(r);
- for (blkno = 0; blkno < nblocks; blkno++)
- {
- buf = ReadBuffer(r, blkno);
- page = BufferGetPage(buf);
- po = (RTreePageOpaque) PageGetSpecialPointer(page);
- maxoff = PageGetMaxOffsetNumber(page);
- printf("Page %d maxoff %d <%s>\n", blkno, maxoff,
- (po->flags & F_LEAF ? "LEAF" : "INTERNAL"));
-
- if (PageIsEmpty(page))
- {
- ReleaseBuffer(buf);
- continue;
- }
-
- for (offnum = FirstOffsetNumber;
- offnum <= maxoff;
- offnum = OffsetNumberNext(offnum))
- {
- itup = (IndexTuple) PageGetItem(page, PageGetItemId(page, offnum));
- itblkno = ItemPointerGetBlockNumber(&(itup->t_tid));
- itoffno = ItemPointerGetOffsetNumber(&(itup->t_tid));
- datum = IndexTupleGetDatum(itup);
- itkey = DatumGetCString(DirectFunctionCall1(box_out,
- datum));
- printf("\t[%d] size %d heap <%d,%d> key:%s\n",
- offnum, IndexTupleSize(itup), itblkno, itoffno, itkey);
- pfree(itkey);
- }
-
- ReleaseBuffer(buf);
- }
-}
-#endif /* defined RTDEBUG */
-
-void
-rtree_redo(XLogRecPtr lsn, XLogRecord *record)
-{
- elog(PANIC, "rtree_redo: unimplemented");
-}
-
-void
-rtree_undo(XLogRecPtr lsn, XLogRecord *record)
-{
- elog(PANIC, "rtree_undo: unimplemented");
-}
-
-void
-rtree_desc(char *buf, uint8 xl_info, char *rec)
-{
-}