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author | CVS to git conversion script <webmaster@postgresql.org> | 2002-06-20 20:29:55 +0000 |
---|---|---|
committer | CVS to git conversion script <webmaster@postgresql.org> | 2002-06-20 20:29:55 +0000 |
commit | 05dedace84ef8c93fea5309c3ac55f889011429b (patch) | |
tree | 4c7f513afbbc03060039a165d1770e11be711773 /src/backend/utils/adt/timestamp.c | |
parent | d84fe82230c593f3dc5d7f427849b99d1efa8a0a (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.'
Delete:
COPYRIGHT
GNUmakefile.in
HISTORY
INSTALL
Makefile
README
aclocal.m4
config/ac_func_accept_argtypes.m4
config/c-compiler.m4
config/c-library.m4
config/config.guess
config/config.sub
config/cxx.m4
config/docbook.m4
config/general.m4
config/install-sh
config/java.m4
config/libtool.m4
config/missing
config/mkinstalldirs
config/perl.m4
config/prep_buildtree
config/programs.m4
config/python.m4
config/tcl.m4
configure
configure.in
contrib/Makefile
contrib/README
contrib/array/Makefile
contrib/array/README.array_iterator
contrib/array/array_iterator.c
contrib/array/array_iterator.h
contrib/array/array_iterator.sql.in
contrib/btree_gist/Makefile
contrib/btree_gist/README.btree_gist
contrib/btree_gist/btree_gist.c
contrib/btree_gist/btree_gist.sql.in
contrib/btree_gist/data/test_btree.data
contrib/btree_gist/data/test_btree_ts.data
contrib/btree_gist/expected/btree_gist.out
contrib/btree_gist/sql/btree_gist.sql
contrib/chkpass/Makefile
contrib/chkpass/README.chkpass
contrib/chkpass/chkpass.c
contrib/chkpass/chkpass.sql.in
contrib/contrib-global.mk
contrib/cube/Makefile
contrib/cube/README.cube
contrib/cube/buffer.c
contrib/cube/buffer.h
contrib/cube/cube.c
contrib/cube/cube.sql.in
contrib/cube/cubedata.h
contrib/cube/cubeparse.y
contrib/cube/cubescan.l
contrib/cube/data/test_cube.data
contrib/cube/expected/cube.out
contrib/cube/sql/cube.sql
contrib/dbase/Makefile
contrib/dbase/README.dbf2pg
contrib/dbase/dbf.c
contrib/dbase/dbf.h
contrib/dbase/dbf2pg.1
contrib/dbase/dbf2pg.c
contrib/dbase/endian.c
contrib/dblink/Makefile
contrib/dblink/README.dblink
contrib/dblink/dblink.c
contrib/dblink/dblink.h
contrib/dblink/dblink.sql.in
contrib/dbsize/Makefile
contrib/dbsize/README.dbsize
contrib/dbsize/dbsize.c
contrib/dbsize/dbsize.sql.in
contrib/earthdistance/Makefile
contrib/earthdistance/README.earthdistance
contrib/earthdistance/earthdistance.c
contrib/earthdistance/earthdistance.sql.in
contrib/findoidjoins/Makefile
contrib/findoidjoins/README.findoidjoins
contrib/findoidjoins/findoidjoins.c
contrib/findoidjoins/make_oidjoins_check
contrib/fulltextindex/Makefile
contrib/fulltextindex/README.fti
contrib/fulltextindex/TODO
contrib/fulltextindex/fti.c
contrib/fulltextindex/fti.pl
contrib/fulltextindex/fti.sql.in
contrib/fulltextindex/timings.sh
contrib/fuzzystrmatch/Makefile
contrib/fuzzystrmatch/README.fuzzystrmatch
contrib/fuzzystrmatch/README.soundex
contrib/fuzzystrmatch/fuzzystrmatch.c
contrib/fuzzystrmatch/fuzzystrmatch.h
contrib/fuzzystrmatch/fuzzystrmatch.sql.in
contrib/intagg/Makefile
contrib/intagg/README.int_aggregate
contrib/intagg/int_aggregate.c
contrib/intagg/int_aggregate.sql.in
contrib/intarray/Makefile
contrib/intarray/README.intarray
contrib/intarray/_int.c
contrib/intarray/_int.sql.in
contrib/intarray/bench/bench.pl
contrib/intarray/bench/create_test.pl
contrib/intarray/data/test__int.data
contrib/intarray/expected/_int.out
contrib/intarray/sql/_int.sql
contrib/ipc_check/README
contrib/ipc_check/ipc_check.pl
contrib/isbn_issn/Makefile
contrib/isbn_issn/README.isbn_issn
contrib/isbn_issn/isbn_issn.c
contrib/isbn_issn/isbn_issn.sql.in
contrib/lo/Makefile
contrib/lo/README.lo
contrib/lo/lo.c
contrib/lo/lo.sql.in
contrib/lo/lo_drop.sql
contrib/lo/lo_test.sql
contrib/mSQL-interface/Makefile
contrib/mSQL-interface/README.mpgsql
contrib/mSQL-interface/mpgsql.c
contrib/mac/README.mac
contrib/mac/createoui
contrib/mac/dropoui
contrib/mac/ouiparse.awk
contrib/mac/updateoui
contrib/miscutil/Makefile
contrib/miscutil/README.misc_utils
contrib/miscutil/misc_utils.c
contrib/miscutil/misc_utils.h
contrib/miscutil/misc_utils.sql.in
contrib/mysql/README
contrib/mysql/my2pg.pl
contrib/mysql/mysql2pgsql
contrib/noupdate/Makefile
contrib/noupdate/README.noup
contrib/noupdate/noup.c
contrib/noupdate/noup.sql.in
contrib/oid2name/Makefile
contrib/oid2name/README.oid2name
contrib/oid2name/oid2name.c
contrib/oracle/CHANGES
contrib/oracle/Ora2Pg.pm
contrib/oracle/README.ora2pg
contrib/oracle/TODO
contrib/oracle/ora2pg.html
contrib/oracle/ora2pg.pl
contrib/pg_controldata/Makefile
contrib/pg_controldata/README.pg_controldata
contrib/pg_controldata/pg_controldata.c
contrib/pg_dumplo/Makefile
contrib/pg_dumplo/README.pg_dumplo
contrib/pg_dumplo/lo_export.c
contrib/pg_dumplo/lo_import.c
contrib/pg_dumplo/main.c
contrib/pg_dumplo/pg_dumplo.h
contrib/pg_dumplo/utils.c
contrib/pg_logger/Makefile
contrib/pg_logger/README.pg_logger
contrib/pg_logger/pg_logger.c
contrib/pg_resetxlog/Makefile
contrib/pg_resetxlog/README.pg_resetxlog
contrib/pg_resetxlog/pg_resetxlog.c
contrib/pg_upgrade/README
contrib/pg_upgrade/pg_upgrade
contrib/pg_upgrade/pg_upgrade.1
contrib/pgbench/Makefile
contrib/pgbench/README.pgbench
contrib/pgbench/README.pgbench_jis
contrib/pgbench/pgbench.c
contrib/pgcrypto/API
contrib/pgcrypto/Makefile
contrib/pgcrypto/README.pgcrypto
contrib/pgcrypto/blf.c
contrib/pgcrypto/blf.h
contrib/pgcrypto/crypt-blowfish.c
contrib/pgcrypto/crypt-des.c
contrib/pgcrypto/crypt-gensalt.c
contrib/pgcrypto/crypt-md5.c
contrib/pgcrypto/expected/blowfish.out
contrib/pgcrypto/expected/crypt-blowfish.out
contrib/pgcrypto/expected/crypt-des.out
contrib/pgcrypto/expected/crypt-md5.out
contrib/pgcrypto/expected/crypt-xdes.out
contrib/pgcrypto/expected/hmac-md5.out
contrib/pgcrypto/expected/hmac-sha1.out
contrib/pgcrypto/expected/init.out
contrib/pgcrypto/expected/md5.out
contrib/pgcrypto/expected/rijndael.out
contrib/pgcrypto/expected/sha1.out
contrib/pgcrypto/internal.c
contrib/pgcrypto/md5.c
contrib/pgcrypto/md5.h
contrib/pgcrypto/mhash.c
contrib/pgcrypto/misc.c
contrib/pgcrypto/openssl.c
contrib/pgcrypto/pgcrypto.c
contrib/pgcrypto/pgcrypto.h
contrib/pgcrypto/pgcrypto.sql.in
contrib/pgcrypto/px-crypt.c
contrib/pgcrypto/px-crypt.h
contrib/pgcrypto/px-hmac.c
contrib/pgcrypto/px.c
contrib/pgcrypto/px.h
contrib/pgcrypto/random.c
contrib/pgcrypto/rijndael.c
contrib/pgcrypto/rijndael.h
contrib/pgcrypto/rijndael.tbl
contrib/pgcrypto/sha1.c
contrib/pgcrypto/sha1.h
contrib/pgcrypto/sql/blowfish.sql
contrib/pgcrypto/sql/crypt-blowfish.sql
contrib/pgcrypto/sql/crypt-des.sql
contrib/pgcrypto/sql/crypt-md5.sql
contrib/pgcrypto/sql/crypt-xdes.sql
contrib/pgcrypto/sql/hmac-md5.sql
contrib/pgcrypto/sql/hmac-sha1.sql
contrib/pgcrypto/sql/init.sql
contrib/pgcrypto/sql/md5.sql
contrib/pgcrypto/sql/rijndael.sql
contrib/pgcrypto/sql/sha1.sql
contrib/pgstattuple/Makefile
contrib/pgstattuple/README.pgstattuple
contrib/pgstattuple/README.pgstattuple.euc_jp
contrib/pgstattuple/pgstattuple.c
contrib/pgstattuple/pgstattuple.sql.in
contrib/retep/CHANGELOG
contrib/retep/Implementation
contrib/retep/Makefile
contrib/retep/README
contrib/retep/build.xml
contrib/retep/data/cds.dtd
contrib/retep/data/cds.xml
contrib/retep/retep.jpx
contrib/retep/uk/org/retep/dtu/DCollection.java
contrib/retep/uk/org/retep/dtu/DConstants.java
contrib/retep/uk/org/retep/dtu/DElement.java
contrib/retep/uk/org/retep/dtu/DEnvironment.java
contrib/retep/uk/org/retep/dtu/DModule.java
contrib/retep/uk/org/retep/dtu/DModuleXML.java
contrib/retep/uk/org/retep/dtu/DNode.java
contrib/retep/uk/org/retep/dtu/DProcessor.java
contrib/retep/uk/org/retep/dtu/DTransform.java
contrib/retep/uk/org/retep/tools/Tool.java
contrib/retep/uk/org/retep/tools.properties
contrib/retep/uk/org/retep/util/ExceptionDialog.java
contrib/retep/uk/org/retep/util/Globals.java
contrib/retep/uk/org/retep/util/Logger.java
contrib/retep/uk/org/retep/util/Main.java
contrib/retep/uk/org/retep/util/StandaloneApp.java
contrib/retep/uk/org/retep/util/hba/Editor.java
contrib/retep/uk/org/retep/util/hba/Main.java
contrib/retep/uk/org/retep/util/hba/Record.java
contrib/retep/uk/org/retep/util/misc/IPAddress.java
contrib/retep/uk/org/retep/util/misc/PropertiesIO.java
contrib/retep/uk/org/retep/util/misc/WStringTokenizer.java
contrib/retep/uk/org/retep/util/models/HBATableModel.java
contrib/retep/uk/org/retep/util/models/PropertiesTableModel.java
contrib/retep/uk/org/retep/util/proped/Main.java
contrib/retep/uk/org/retep/util/proped/PropertyEditor.java
contrib/retep/uk/org/retep/xml/core/XMLFactory.java
contrib/retep/uk/org/retep/xml/core/XMLFactoryException.java
contrib/retep/uk/org/retep/xml/jdbc/XMLDatabase.java
contrib/retep/uk/org/retep/xml/jdbc/XMLResultSet.java
contrib/retep/uk/org/retep/xml/parser/TagHandler.java
contrib/retep/uk/org/retep/xml/parser/TagListener.java
contrib/retep/uk/org/retep/xml/test/XMLExport.java
contrib/rserv/ApplySnapshot.in
contrib/rserv/CleanLog.in
contrib/rserv/GetSyncID.in
contrib/rserv/InitRservTest.in
contrib/rserv/Makefile
contrib/rserv/MasterAddTable.in
contrib/rserv/MasterInit.in
contrib/rserv/MasterSync.in
contrib/rserv/PrepareSnapshot.in
contrib/rserv/README.rserv
contrib/rserv/RServ.pm
contrib/rserv/Replicate.in
contrib/rserv/RservTest.in
contrib/rserv/SlaveAddTable.in
contrib/rserv/SlaveInit.in
contrib/rserv/master.sql.in
contrib/rserv/regress.sh
contrib/rserv/rserv.c
contrib/rserv/slave.sql.in
contrib/rtree_gist/Makefile
contrib/rtree_gist/README.rtree_gist
contrib/rtree_gist/bench/bench.pl
contrib/rtree_gist/bench/create_test.pl
contrib/rtree_gist/data/test_box.data
contrib/rtree_gist/expected/rtree_gist.out
contrib/rtree_gist/rtree_gist.c
contrib/rtree_gist/rtree_gist.sql.in
contrib/rtree_gist/sql/rtree_gist.sql
contrib/seg/Makefile
contrib/seg/README.seg
contrib/seg/buffer.c
contrib/seg/buffer.h
contrib/seg/data/test_seg.data
contrib/seg/expected/seg.out
contrib/seg/seg-validate.pl
contrib/seg/seg.c
contrib/seg/seg.sql.in
contrib/seg/segdata.h
contrib/seg/segparse.y
contrib/seg/segscan.l
contrib/seg/sort-segments.pl
contrib/seg/sql/seg.sql
contrib/spi/Makefile
contrib/spi/README.spi
contrib/spi/autoinc.c
contrib/spi/autoinc.example
contrib/spi/autoinc.sql.in
contrib/spi/insert_username.c
contrib/spi/insert_username.example
contrib/spi/insert_username.sql.in
contrib/spi/moddatetime.c
contrib/spi/moddatetime.example
contrib/spi/moddatetime.sql.in
contrib/spi/preprocessor/README.MAX
contrib/spi/preprocessor/example.sql
contrib/spi/preprocessor/step1.c
contrib/spi/preprocessor/step1.e
contrib/spi/preprocessor/step2.pl
contrib/spi/refint.c
contrib/spi/refint.example
contrib/spi/refint.sql.in
contrib/spi/timetravel.c
contrib/spi/timetravel.example
contrib/spi/timetravel.sql.in
contrib/start-scripts/freebsd
contrib/start-scripts/linux
contrib/string/Makefile
contrib/string/README.string_io
contrib/string/string_io.c
contrib/string/string_io.h
contrib/string/string_io.sql.in
contrib/tips/Makefile
contrib/tips/README.apachelog
contrib/tools/add-emacs-variables
contrib/tools/find-sources
contrib/tools/make-tags
contrib/tsearch/Makefile
contrib/tsearch/README.tsearch
contrib/tsearch/crc32.c
contrib/tsearch/crc32.h
contrib/tsearch/data/test_tsearch.data
contrib/tsearch/deflex.h
contrib/tsearch/dict/porter_english.dct
contrib/tsearch/dict/russian_stemming.dct
contrib/tsearch/dict.h
contrib/tsearch/expected/tsearch.out
contrib/tsearch/gistidx.c
contrib/tsearch/gistidx.h
contrib/tsearch/makedict/makedict.pl
contrib/tsearch/morph.c
contrib/tsearch/morph.h
contrib/tsearch/parser.h
contrib/tsearch/parser.l
contrib/tsearch/query.c
contrib/tsearch/query.h
contrib/tsearch/rewrite.c
contrib/tsearch/rewrite.h
contrib/tsearch/sql/tsearch.sql
contrib/tsearch/tsearch.sql.in
contrib/tsearch/txtidx.c
contrib/tsearch/txtidx.h
contrib/userlock/Makefile
contrib/userlock/README.user_locks
contrib/userlock/user_locks.c
contrib/userlock/user_locks.h
contrib/userlock/user_locks.sql.in
contrib/vacuumlo/Makefile
contrib/vacuumlo/README.vacuumlo
contrib/vacuumlo/vacuumlo.c
contrib/xml/Makefile
contrib/xml/README
contrib/xml/TODO
contrib/xml/pgxml.c
contrib/xml/pgxml.h
contrib/xml/pgxml.source
contrib/xml/pgxml_dom.c
contrib/xml/pgxml_dom.source
doc/FAQ
doc/FAQ_AIX
doc/FAQ_DEV
doc/FAQ_HPUX
doc/FAQ_IRIX
doc/FAQ_MSWIN
doc/FAQ_QNX4
doc/FAQ_SCO
doc/FAQ_Solaris
doc/FAQ_german
doc/FAQ_japanese
doc/FAQ_polish
doc/FAQ_russian
doc/KNOWN_BUGS
doc/MISSING_FEATURES
doc/Makefile
doc/README.mb.big5
doc/README.mb.jp
doc/TODO
doc/TODO.detail/README
doc/TODO.detail/atttypmod
doc/TODO.detail/crossdb
doc/TODO.detail/cursor
doc/TODO.detail/drop
doc/TODO.detail/exists
doc/TODO.detail/foreign
doc/TODO.detail/fsync
doc/TODO.detail/inheritance
doc/TODO.detail/java
doc/TODO.detail/mmap
doc/TODO.detail/namedatalen
doc/TODO.detail/optimizer
doc/TODO.detail/performance
doc/TODO.detail/persistent
doc/TODO.detail/pool
doc/TODO.detail/prepare
doc/TODO.detail/privileges
doc/TODO.detail/replication
doc/TODO.detail/schema
doc/TODO.detail/tablespaces
doc/TODO.detail/thread
doc/TODO.detail/transactions
doc/TODO.detail/typeconv
doc/TODO.detail/update
doc/TODO.detail/vacuum
doc/TODO.detail/view
doc/TODO.detail/win32
doc/TODO.detail/yacc
doc/bug.template
doc/src/FAQ/FAQ.html
doc/src/FAQ/FAQ_DEV.html
doc/src/FAQ/FAQ_german.html
doc/src/FAQ/FAQ_japanese.html
doc/src/FAQ/FAQ_polish.html
doc/src/FAQ/FAQ_russian.html
doc/src/Makefile
doc/src/graphics/catalogs.ag
doc/src/graphics/catalogs.cgm
doc/src/graphics/catalogs.gif
doc/src/graphics/catalogs.ps
doc/src/graphics/clientserver.ag
doc/src/graphics/clientserver.gif
doc/src/graphics/connections.ag
doc/src/graphics/connections.gif
doc/src/sgml/Makefile
doc/src/sgml/admin.sgml
doc/src/sgml/advanced.sgml
doc/src/sgml/arch-dev.sgml
doc/src/sgml/arch-pg.sgml
doc/src/sgml/array.sgml
doc/src/sgml/backup.sgml
doc/src/sgml/biblio.sgml
doc/src/sgml/bki.sgml
doc/src/sgml/book-decl.sgml
doc/src/sgml/catalogs.sgml
doc/src/sgml/charset.sgml
doc/src/sgml/client-auth.sgml
doc/src/sgml/compiler.sgml
doc/src/sgml/contacts.sgml
doc/src/sgml/cvs.sgml
doc/src/sgml/datatype.sgml
doc/src/sgml/datetime.sgml
doc/src/sgml/developer.sgml
doc/src/sgml/dfunc.sgml
doc/src/sgml/diskusage.sgml
doc/src/sgml/docguide.sgml
doc/src/sgml/ecpg.sgml
doc/src/sgml/extend.sgml
doc/src/sgml/features.sgml
doc/src/sgml/filelist.sgml
doc/src/sgml/fixrtf
doc/src/sgml/func-ref.sgml
doc/src/sgml/func.sgml
doc/src/sgml/geqo.sgml
doc/src/sgml/gist.sgml
doc/src/sgml/history.sgml
doc/src/sgml/indexcost.sgml
doc/src/sgml/indices.sgml
doc/src/sgml/info.sgml
doc/src/sgml/inherit.sgml
doc/src/sgml/install-win32.sgml
doc/src/sgml/installation.sgml
doc/src/sgml/intro.sgml
doc/src/sgml/jdbc.sgml
doc/src/sgml/keywords.sgml
doc/src/sgml/legal.sgml
doc/src/sgml/libpgeasy.sgml
doc/src/sgml/libpgtcl.sgml
doc/src/sgml/libpq++.sgml
doc/src/sgml/libpq.sgml
doc/src/sgml/lobj.sgml
doc/src/sgml/maintenance.sgml
doc/src/sgml/manage-ag.sgml
doc/src/sgml/manage.sgml
doc/src/sgml/monitoring.sgml
doc/src/sgml/mvcc.sgml
doc/src/sgml/nls.sgml
doc/src/sgml/notation.sgml
doc/src/sgml/odbc.sgml
doc/src/sgml/page.sgml
doc/src/sgml/perform.sgml
doc/src/sgml/plperl.sgml
doc/src/sgml/plpython.sgml
doc/src/sgml/plsql.sgml
doc/src/sgml/pltcl.sgml
doc/src/sgml/postgres.sgml
doc/src/sgml/problems.sgml
doc/src/sgml/programmer.sgml
doc/src/sgml/protocol.sgml
doc/src/sgml/pygresql.sgml
doc/src/sgml/queries.sgml
doc/src/sgml/query.sgml
doc/src/sgml/recovery.sgml
doc/src/sgml/ref/abort.sgml
doc/src/sgml/ref/allfiles.sgml
doc/src/sgml/ref/alter_database.sgml
doc/src/sgml/ref/alter_group.sgml
doc/src/sgml/ref/alter_table.sgml
doc/src/sgml/ref/alter_trigger.sgml
doc/src/sgml/ref/alter_user.sgml
doc/src/sgml/ref/analyze.sgml
doc/src/sgml/ref/begin.sgml
doc/src/sgml/ref/checkpoint.sgml
doc/src/sgml/ref/close.sgml
doc/src/sgml/ref/cluster.sgml
doc/src/sgml/ref/comment.sgml
doc/src/sgml/ref/commit.sgml
doc/src/sgml/ref/copy.sgml
doc/src/sgml/ref/create_aggregate.sgml
doc/src/sgml/ref/create_constraint.sgml
doc/src/sgml/ref/create_database.sgml
doc/src/sgml/ref/create_domain.sgml
doc/src/sgml/ref/create_function.sgml
doc/src/sgml/ref/create_group.sgml
doc/src/sgml/ref/create_index.sgml
doc/src/sgml/ref/create_language.sgml
doc/src/sgml/ref/create_operator.sgml
doc/src/sgml/ref/create_rule.sgml
doc/src/sgml/ref/create_schema.sgml
doc/src/sgml/ref/create_sequence.sgml
doc/src/sgml/ref/create_table.sgml
doc/src/sgml/ref/create_table_as.sgml
doc/src/sgml/ref/create_trigger.sgml
doc/src/sgml/ref/create_type.sgml
doc/src/sgml/ref/create_user.sgml
doc/src/sgml/ref/create_view.sgml
doc/src/sgml/ref/createdb.sgml
doc/src/sgml/ref/createlang.sgml
doc/src/sgml/ref/createuser.sgml
doc/src/sgml/ref/current_date.sgml
doc/src/sgml/ref/current_time.sgml
doc/src/sgml/ref/current_timestamp.sgml
doc/src/sgml/ref/current_user.sgml
doc/src/sgml/ref/declare.sgml
doc/src/sgml/ref/delete.sgml
doc/src/sgml/ref/drop_aggregate.sgml
doc/src/sgml/ref/drop_database.sgml
doc/src/sgml/ref/drop_domain.sgml
doc/src/sgml/ref/drop_function.sgml
doc/src/sgml/ref/drop_group.sgml
doc/src/sgml/ref/drop_index.sgml
doc/src/sgml/ref/drop_language.sgml
doc/src/sgml/ref/drop_operator.sgml
doc/src/sgml/ref/drop_rule.sgml
doc/src/sgml/ref/drop_sequence.sgml
doc/src/sgml/ref/drop_table.sgml
doc/src/sgml/ref/drop_trigger.sgml
doc/src/sgml/ref/drop_type.sgml
doc/src/sgml/ref/drop_user.sgml
doc/src/sgml/ref/drop_view.sgml
doc/src/sgml/ref/dropdb.sgml
doc/src/sgml/ref/droplang.sgml
doc/src/sgml/ref/dropuser.sgml
doc/src/sgml/ref/ecpg-ref.sgml
doc/src/sgml/ref/end.sgml
doc/src/sgml/ref/explain.sgml
doc/src/sgml/ref/fetch.sgml
doc/src/sgml/ref/grant.sgml
doc/src/sgml/ref/initdb.sgml
doc/src/sgml/ref/initlocation.sgml
doc/src/sgml/ref/insert.sgml
doc/src/sgml/ref/ipcclean.sgml
doc/src/sgml/ref/listen.sgml
doc/src/sgml/ref/load.sgml
doc/src/sgml/ref/lock.sgml
doc/src/sgml/ref/move.sgml
doc/src/sgml/ref/notify.sgml
doc/src/sgml/ref/pg_config-ref.sgml
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Diffstat (limited to 'src/backend/utils/adt/timestamp.c')
-rw-r--r-- | src/backend/utils/adt/timestamp.c | 3424 |
1 files changed, 0 insertions, 3424 deletions
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c deleted file mode 100644 index 79420310bdf..00000000000 --- a/src/backend/utils/adt/timestamp.c +++ /dev/null @@ -1,3424 +0,0 @@ -/*------------------------------------------------------------------------- - * - * timestamp.c - * Functions for the built-in SQL92 type "timestamp" and "interval". - * - * 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/timestamp.c,v 1.68 2002/06/20 20:29:38 momjian Exp $ - * - *------------------------------------------------------------------------- - */ - -#include "postgres.h" - -#include <ctype.h> -#include <math.h> -#include <errno.h> -#include <sys/types.h> -#include <float.h> -#include <limits.h> - -#include "access/hash.h" -#include "access/xact.h" -#include "miscadmin.h" -#include "utils/array.h" -#include "utils/builtins.h" - - -#ifdef HAVE_INT64_TIMESTAMP -static int64 time2t(const int hour, const int min, const int sec, const fsec_t fsec); -#else -static double time2t(const int hour, const int min, const int sec, const fsec_t fsec); -#endif -static int EncodeSpecialTimestamp(Timestamp dt, char *str); -static Timestamp dt2local(Timestamp dt, int timezone); -static void AdjustTimestampForTypmod(Timestamp *time, int32 typmod); -static void AdjustIntervalForTypmod(Interval *interval, int32 typmod); - - -/***************************************************************************** - * USER I/O ROUTINES * - *****************************************************************************/ - -/* timestamp_in() - * Convert a string to internal form. - */ -Datum -timestamp_in(PG_FUNCTION_ARGS) -{ - char *str = PG_GETARG_CSTRING(0); - -#ifdef NOT_USED - Oid typelem = PG_GETARG_OID(1); -#endif - int32 typmod = PG_GETARG_INT32(2); - Timestamp result; - fsec_t fsec; - struct tm tt, - *tm = &tt; - int tz; - int dtype; - int nf; - char *field[MAXDATEFIELDS]; - int ftype[MAXDATEFIELDS]; - char lowstr[MAXDATELEN + 1]; - - if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0) - || (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0)) - elog(ERROR, "Bad timestamp external representation '%s'", str); - - switch (dtype) - { - case DTK_DATE: - if (tm2timestamp(tm, fsec, NULL, &result) != 0) - elog(ERROR, "TIMESTAMP out of range '%s'", str); - break; - - case DTK_EPOCH: - result = SetEpochTimestamp(); - break; - - case DTK_LATE: - TIMESTAMP_NOEND(result); - break; - - case DTK_EARLY: - TIMESTAMP_NOBEGIN(result); - break; - - case DTK_INVALID: - elog(ERROR, "TIMESTAMP '%s' no longer supported", str); - TIMESTAMP_NOEND(result); - break; - - default: - elog(ERROR, "TIMESTAMP '%s' not parsed; internal coding error", str); - TIMESTAMP_NOEND(result); - } - - AdjustTimestampForTypmod(&result, typmod); - - PG_RETURN_TIMESTAMP(result); -} - -/* timestamp_out() - * Convert a timestamp to external form. - */ -Datum -timestamp_out(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - char *result; - struct tm tt, - *tm = &tt; - fsec_t fsec; - char *tzn = NULL; - char buf[MAXDATELEN + 1]; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - EncodeSpecialTimestamp(timestamp, buf); - else if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) == 0) - EncodeDateTime(tm, fsec, NULL, &tzn, DateStyle, buf); - else - elog(ERROR, "Unable to format timestamp; internal coding error"); - - result = pstrdup(buf); - PG_RETURN_CSTRING(result); -} - -/* timestamp_scale() - * Adjust time type for specified scale factor. - * Used by PostgreSQL type system to stuff columns. - */ -Datum -timestamp_scale(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - int32 typmod = PG_GETARG_INT32(1); - Timestamp result; - - result = timestamp; - - AdjustTimestampForTypmod(&result, typmod); - - PG_RETURN_TIMESTAMP(result); -} - -static void -AdjustTimestampForTypmod(Timestamp *time, int32 typmod) -{ -#ifdef HAVE_INT64_TIMESTAMP - static const int64 TimestampScales[MAX_TIMESTAMP_PRECISION+1] = { - INT64CONST(1000000), - INT64CONST(100000), - INT64CONST(10000), - INT64CONST(1000), - INT64CONST(100), - INT64CONST(10), - INT64CONST(1) - }; - - static const int64 TimestampOffsets[MAX_TIMESTAMP_PRECISION+1] = { - INT64CONST(-500000), - INT64CONST(-50000), - INT64CONST(-5000), - INT64CONST(-500), - INT64CONST(-50), - INT64CONST(-5), - INT64CONST(0) - }; -#else - static const double TimestampScales[MAX_TIMESTAMP_PRECISION+1] = { - 1, - 10, - 100, - 1000, - 10000, - 100000, - 1000000 - }; - - static const double TimestampOffsets[MAX_TIMESTAMP_PRECISION+1] = { - 0.5, - 0.05, - 0.005, - 0.0005, - 0.00005, - 0.000005, - 0.0000005 - }; -#endif - - if (!TIMESTAMP_NOT_FINITE(*time) - && (typmod != -1) && (typmod != MAX_TIMESTAMP_PRECISION)) - { - if ((typmod < 0) || (typmod > MAX_TIMESTAMP_PRECISION)) - elog(ERROR, "TIMESTAMP(%d) precision must be between %d and %d", - typmod, 0, MAX_TIMESTAMP_PRECISION); - -#ifdef HAVE_INT64_TIMESTAMP - /* we have different truncation behavior depending on sign */ - if (*time >= INT64CONST(0)) - { - *time = ((*time / TimestampScales[typmod]) - * TimestampScales[typmod]); - } - else - { - *time = (((*time + TimestampOffsets[typmod]) / TimestampScales[typmod]) - * TimestampScales[typmod]); - } -#else - /* we have different truncation behavior depending on sign */ - if (*time >= 0) - { - *time = (rint(((double) *time) * TimestampScales[typmod]) - / TimestampScales[typmod]); - } - else - { - /* Scale and truncate first, then add to help the rounding behavior */ - *time = (rint((((double) *time) * TimestampScales[typmod]) + TimestampOffsets[typmod]) - / TimestampScales[typmod]); - } -#endif - } -} - - -/* timestamptz_in() - * Convert a string to internal form. - */ -Datum -timestamptz_in(PG_FUNCTION_ARGS) -{ - char *str = PG_GETARG_CSTRING(0); - -#ifdef NOT_USED - Oid typelem = PG_GETARG_OID(1); -#endif - int32 typmod = PG_GETARG_INT32(2); - TimestampTz result; - fsec_t fsec; - struct tm tt, - *tm = &tt; - int tz; - int dtype; - int nf; - char *field[MAXDATEFIELDS]; - int ftype[MAXDATEFIELDS]; - char lowstr[MAXDATELEN + 1]; - - if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0) - || (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0)) - elog(ERROR, "Bad timestamp external representation '%s'", str); - - switch (dtype) - { - case DTK_DATE: - if (tm2timestamp(tm, fsec, &tz, &result) != 0) - elog(ERROR, "TIMESTAMP WITH TIME ZONE out of range '%s'", str); - break; - - case DTK_EPOCH: - result = SetEpochTimestamp(); - break; - - case DTK_LATE: - TIMESTAMP_NOEND(result); - break; - - case DTK_EARLY: - TIMESTAMP_NOBEGIN(result); - break; - - case DTK_INVALID: - elog(ERROR, "TIMESTAMP WITH TIME ZONE '%s' no longer supported", str); - TIMESTAMP_NOEND(result); - break; - - default: - elog(ERROR, "TIMESTAMP WITH TIME ZONE '%s' not parsed; internal coding error", str); - TIMESTAMP_NOEND(result); - } - - AdjustTimestampForTypmod(&result, typmod); - - PG_RETURN_TIMESTAMPTZ(result); -} - -/* timestamptz_out() - * Convert a timestamp to external form. - */ -Datum -timestamptz_out(PG_FUNCTION_ARGS) -{ - TimestampTz dt = PG_GETARG_TIMESTAMP(0); - char *result; - int tz; - struct tm tt, - *tm = &tt; - fsec_t fsec; - char *tzn; - char buf[MAXDATELEN + 1]; - - if (TIMESTAMP_NOT_FINITE(dt)) - EncodeSpecialTimestamp(dt, buf); - else if (timestamp2tm(dt, &tz, tm, &fsec, &tzn) == 0) - EncodeDateTime(tm, fsec, &tz, &tzn, DateStyle, buf); - else - elog(ERROR, "Unable to format timestamp with time zone; internal coding error"); - - result = pstrdup(buf); - PG_RETURN_CSTRING(result); -} - -/* timestamptz_scale() - * Adjust time type for specified scale factor. - * Used by PostgreSQL type system to stuff columns. - */ -Datum -timestamptz_scale(PG_FUNCTION_ARGS) -{ - TimestampTz timestamp = PG_GETARG_TIMESTAMP(0); - int32 typmod = PG_GETARG_INT32(1); - TimestampTz result; - - result = timestamp; - - AdjustTimestampForTypmod(&result, typmod); - - PG_RETURN_TIMESTAMPTZ(result); -} - - -/* interval_in() - * Convert a string to internal form. - * - * External format(s): - * Uses the generic date/time parsing and decoding routines. - */ -Datum -interval_in(PG_FUNCTION_ARGS) -{ - char *str = PG_GETARG_CSTRING(0); - -#ifdef NOT_USED - Oid typelem = PG_GETARG_OID(1); -#endif - int32 typmod = PG_GETARG_INT32(2); - Interval *result; - fsec_t fsec; - struct tm tt, - *tm = &tt; - int dtype; - int nf; - char *field[MAXDATEFIELDS]; - int ftype[MAXDATEFIELDS]; - char lowstr[MAXDATELEN + 1]; - - 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; - - if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0) - || (DecodeInterval(field, ftype, nf, &dtype, tm, &fsec) != 0)) - elog(ERROR, "Bad interval external representation '%s'", str); - - result = (Interval *) palloc(sizeof(Interval)); - - switch (dtype) - { - case DTK_DELTA: - if (tm2interval(tm, fsec, result) != 0) - elog(ERROR, "Bad interval external representation '%s'", str); - AdjustIntervalForTypmod(result, typmod); - break; - - case DTK_INVALID: - elog(ERROR, "Interval '%s' no longer supported", str); - break; - - default: - elog(ERROR, "Interval '%s' not parsed; internal coding error", str); - } - - PG_RETURN_INTERVAL_P(result); -} - -/* interval_out() - * Convert a time span to external form. - */ -Datum -interval_out(PG_FUNCTION_ARGS) -{ - Interval *span = PG_GETARG_INTERVAL_P(0); - char *result; - struct tm tt, - *tm = &tt; - fsec_t fsec; - char buf[MAXDATELEN + 1]; - - if (interval2tm(*span, tm, &fsec) != 0) - elog(ERROR, "Unable to encode interval; internal coding error"); - - if (EncodeInterval(tm, fsec, DateStyle, buf) != 0) - elog(ERROR, "Unable to format interval; internal coding error"); - - result = pstrdup(buf); - PG_RETURN_CSTRING(result); -} - -/* interval_scale() - * Adjust interval type for specified fields. - * Used by PostgreSQL type system to stuff columns. - */ -Datum -interval_scale(PG_FUNCTION_ARGS) -{ - Interval *interval = PG_GETARG_INTERVAL_P(0); - int32 typmod = PG_GETARG_INT32(1); - Interval *result; - - result = palloc(sizeof(Interval)); - *result = *interval; - - AdjustIntervalForTypmod(result, typmod); - - PG_RETURN_INTERVAL_P(result); -} - -#define MASK(b) (1 << (b)) - -static void -AdjustIntervalForTypmod(Interval *interval, int32 typmod) -{ -#ifdef HAVE_INT64_TIMESTAMP - static const int64 IntervalScales[MAX_INTERVAL_PRECISION+1] = { - INT64CONST(1000000), - INT64CONST(100000), - INT64CONST(10000), - INT64CONST(1000), - INT64CONST(100), - INT64CONST(10), - INT64CONST(1) - }; - - static const int64 IntervalOffsets[MAX_INTERVAL_PRECISION+1] = { - INT64CONST(-500000), - INT64CONST(-50000), - INT64CONST(-5000), - INT64CONST(-500), - INT64CONST(-50), - INT64CONST(-5), - INT64CONST(0) - }; -#else - static const double IntervalScales[MAX_INTERVAL_PRECISION+1] = { - 1, - 10, - 100, - 1000, - 10000, - 100000, - 1000000 - }; - - static const double IntervalOffsets[MAX_INTERVAL_PRECISION+1] = { - 0.5, - 0.05, - 0.005, - 0.0005, - 0.00005, - 0.000005, - 0.0000005 - }; -#endif - - if (typmod != -1) - { - int range = ((typmod >> 16) & 0x7FFF); - int precision = (typmod & 0xFFFF); - - if (range == 0x7FFF) - { - /* Do nothing... */ - } - else if (range == MASK(YEAR)) - { - interval->month = ((interval->month / 12) * 12); - interval->time = 0; - } - else if (range == MASK(MONTH)) - { - interval->month %= 12; - interval->time = 0; - } - /* YEAR TO MONTH */ - else if (range == (MASK(YEAR) | MASK(MONTH))) - { - interval->time = 0; - } - else if (range == MASK(DAY)) - { - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - interval->time = (((int) (interval->time / INT64CONST(86400000000))) - * INT64CONST(86400000000)); -#else - interval->time = (((int) (interval->time / 86400)) * 86400); -#endif - } - else if (range == MASK(HOUR)) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 day; -#else - double day; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - day = (interval->time / INT64CONST(86400000000)); - interval->time -= (day * INT64CONST(86400000000)); - interval->time = ((interval->time / INT64CONST(3600000000)) - * INT64CONST(3600000000)); -#else - TMODULO(interval->time, day, 86400.0); - interval->time = (((int) (interval->time / 3600)) * 3600.0); -#endif - } - else if (range == MASK(MINUTE)) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 hour; -#else - double hour; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - hour = (interval->time / INT64CONST(3600000000)); - interval->time -= (hour * INT64CONST(3600000000)); - interval->time = ((interval->time / INT64CONST(60000000)) - * INT64CONST(60000000)); -#else - TMODULO(interval->time, hour, 3600.0); - interval->time = (((int) (interval->time / 60)) * 60); -#endif - } - else if (range == MASK(SECOND)) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 minute; -#else - double minute; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - minute = (interval->time / INT64CONST(60000000)); - interval->time -= (minute * INT64CONST(60000000)); -#else - TMODULO(interval->time, minute, 60.0); -/* interval->time = (int)(interval->time); */ -#endif - } - /* DAY TO HOUR */ - else if (range == (MASK(DAY) | MASK(HOUR))) - { - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - interval->time = ((interval->time / INT64CONST(3600000000)) - * INT64CONST(3600000000)); -#else - interval->time = (((int) (interval->time / 3600)) * 3600); -#endif - } - /* DAY TO MINUTE */ - else if (range == (MASK(DAY) | MASK(HOUR) | MASK(MINUTE))) - { - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - interval->time = ((interval->time / INT64CONST(60000000)) - * INT64CONST(60000000)); -#else - interval->time = (((int) (interval->time / 60)) * 60); -#endif - } - /* DAY TO SECOND */ - else if (range == (MASK(DAY) | MASK(HOUR) | MASK(MINUTE) | MASK(SECOND))) - { - interval->month = 0; - } - /* HOUR TO MINUTE */ - else if (range == (MASK(HOUR) | MASK(MINUTE))) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 day; -#else - double day; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - day = (interval->time / INT64CONST(86400000000)); - interval->time -= (day * INT64CONST(86400000000)); - interval->time = ((interval->time / INT64CONST(60000000)) - * INT64CONST(60000000)); -#else - TMODULO(interval->time, day, 86400.0); - interval->time = (((int) (interval->time / 60)) * 60); -#endif - } - /* HOUR TO SECOND */ - else if (range == (MASK(HOUR) | MASK(MINUTE) | MASK(SECOND))) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 day; -#else - double day; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - day = (interval->time / INT64CONST(86400000000)); - interval->time -= (day * INT64CONST(86400000000)); -#else - TMODULO(interval->time, day, 86400.0); -#endif - } - /* MINUTE TO SECOND */ - else if (range == (MASK(MINUTE) | MASK(SECOND))) - { -#ifdef HAVE_INT64_TIMESTAMP - int64 hour; -#else - double hour; -#endif - - interval->month = 0; -#ifdef HAVE_INT64_TIMESTAMP - hour = (interval->time / INT64CONST(3600000000)); - interval->time -= (hour * INT64CONST(3600000000)); -#else - TMODULO(interval->time, hour, 3600.0); -#endif - } - else - elog(ERROR, "AdjustIntervalForTypmod(): internal coding error"); - - /* Need to adjust precision? If not, don't even try! */ - if (precision != 0xFFFF) - { - if ((precision < 0) || (precision > MAX_INTERVAL_PRECISION)) - elog(ERROR, "INTERVAL(%d) precision must be between %d and %d", - precision, 0, MAX_INTERVAL_PRECISION); - -#ifdef HAVE_INT64_TIMESTAMP - /* we have different truncation behavior depending on sign */ - if (interval->time >= INT64CONST(0)) - { - interval->time = ((interval->time / IntervalScales[precision]) - * IntervalScales[precision]); - } - else - { - interval->time = (((interval->time + IntervalOffsets[precision]) / IntervalScales[precision]) - * IntervalScales[precision]); - } -#else - /* we have different truncation behavior depending on sign */ - if (interval->time >= 0) - { - interval->time = (rint(((double) interval->time) * IntervalScales[precision]) - / IntervalScales[precision]); - } - else - { - interval->time = (rint((((double) interval->time) + IntervalOffsets[precision]) - * IntervalScales[precision]) / IntervalScales[precision]); - } -#endif - } - } - - return; -} - - -/* EncodeSpecialTimestamp() - * Convert reserved timestamp data type to string. - */ -static int -EncodeSpecialTimestamp(Timestamp dt, char *str) -{ - if (TIMESTAMP_IS_NOBEGIN(dt)) - strcpy(str, EARLY); - else if (TIMESTAMP_IS_NOEND(dt)) - strcpy(str, LATE); - else - return FALSE; - - return TRUE; -} /* EncodeSpecialTimestamp() */ - -Datum -now(PG_FUNCTION_ARGS) -{ - TimestampTz result; - AbsoluteTime sec; - int usec; - - sec = GetCurrentTransactionStartTimeUsec(&usec); - -#ifdef HAVE_INT64_TIMESTAMP - result = (((sec - ((date2j(2000, 1, 1) - date2j(1970, 1, 1)) * 86400)) - * INT64CONST(1000000)) + usec); -#else - result = (sec + (usec * 1.0e-6) - ((date2j(2000, 1, 1) - date2j(1970, 1, 1)) * 86400)); -#endif - - PG_RETURN_TIMESTAMPTZ(result); -} - -void -dt2time(Timestamp jd, int *hour, int *min, int *sec, fsec_t *fsec) -{ -#ifdef HAVE_INT64_TIMESTAMP - int64 time; -#else - double time; -#endif - - time = jd; - -#ifdef HAVE_INT64_TIMESTAMP - *hour = (time / INT64CONST(3600000000)); - time -= ((*hour) * INT64CONST(3600000000)); - *min = (time / INT64CONST(60000000)); - time -= ((*min) * INT64CONST(60000000)); - *sec = (time / INT64CONST(1000000)); - *fsec = (time - (*sec * INT64CONST(1000000))); -#else - *hour = (time / 3600); - time -= ((*hour) * 3600); - *min = (time / 60); - time -= ((*min) * 60); - *sec = time; - *fsec = JROUND(time - *sec); -#endif - - return; -} /* dt2time() */ - - -/* timestamp2tm() - * Convert timestamp data type to POSIX time structure. - * Note that year is _not_ 1900-based, but is an explicit full value. - * Also, month is one-based, _not_ zero-based. - * Returns: - * 0 on success - * -1 on out of range - * - * For dates within the system-supported time_t range, convert to the - * local time zone. If out of this range, leave as GMT. - tgl 97/05/27 - */ -int -timestamp2tm(Timestamp dt, int *tzp, struct tm *tm, fsec_t *fsec, char **tzn) -{ -#ifdef HAVE_INT64_TIMESTAMP - int date, - date0; - int64 time; -#else - double date, - date0; - double time; -#endif - time_t utime; - -#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE) - struct tm *tx; -#endif - - date0 = date2j(2000, 1, 1); - - /* - * If HasCTZSet is true then we have a brute force time zone - * specified. Go ahead and rotate to the local time zone since we will - * later bypass any calls which adjust the tm fields. - */ - if (HasCTZSet && (tzp != NULL)) -#ifdef HAVE_INT64_TIMESTAMP - dt -= (CTimeZone * INT64CONST(1000000)); -#else - dt -= CTimeZone; -#endif - - time = dt; -#ifdef HAVE_INT64_TIMESTAMP - TMODULO(time, date, INT64CONST(86400000000)); - - if (time < INT64CONST(0)) - { - time += INT64CONST(86400000000); - date -= 1; - } -#else - TMODULO(time, date, 86400e0); - - if (time < 0) - { - time += 86400; - date -= 1; - } -#endif - - /* Julian day routine does not work for negative Julian days */ - if (date < -date0) - return -1; - - /* add offset to go from J2000 back to standard Julian date */ - date += date0; - - j2date((int) date, &tm->tm_year, &tm->tm_mon, &tm->tm_mday); - dt2time(time, &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec); - - if (tzp != NULL) - { - /* - * We have a brute force time zone per SQL99? Then use it without - * change since we have already rotated to the time zone. - */ - if (HasCTZSet) - { - *tzp = CTimeZone; - tm->tm_isdst = 0; -#if defined(HAVE_TM_ZONE) - tm->tm_gmtoff = CTimeZone; - tm->tm_zone = NULL; -#endif - if (tzn != NULL) - *tzn = NULL; - } - - /* - * Does this fall within the capabilities of the localtime() - * interface? Then use this to rotate to the local time zone. - */ - else if (IS_VALID_UTIME(tm->tm_year, tm->tm_mon, tm->tm_mday)) - { -#ifdef HAVE_INT64_TIMESTAMP - utime = ((dt / INT64CONST(1000000)) - + ((date0 - date2j(1970, 1, 1)) * INT64CONST(86400))); -#else - utime = (dt + ((date0 - date2j(1970, 1, 1)) * 86400)); -#endif - -#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE) - tx = localtime(&utime); -#ifdef NO_MKTIME_BEFORE_1970 - if (tx->tm_year < 70 && tx->tm_isdst == 1) - { - utime -= 3600; - tx = localtime(&utime); - tx->tm_isdst = 0; - } -#endif - tm->tm_year = tx->tm_year + 1900; - tm->tm_mon = tx->tm_mon + 1; - tm->tm_mday = tx->tm_mday; - tm->tm_hour = tx->tm_hour; - tm->tm_min = tx->tm_min; -#if NOT_USED -/* XXX HACK - * Argh! My Linux box puts in a 1 second offset for dates less than 1970 - * but only if the seconds field was non-zero. So, don't copy the seconds - * field and instead carry forward from the original - thomas 97/06/18 - * Note that GNU/Linux uses the standard freeware zic package as do - * many other platforms so this may not be GNU/Linux/ix86-specific. - * Still shows a problem on my up to date Linux box - thomas 2001-01-17 - */ - tm->tm_sec = tx->tm_sec; -#endif - tm->tm_isdst = tx->tm_isdst; - -#if defined(HAVE_TM_ZONE) - tm->tm_gmtoff = tx->tm_gmtoff; - tm->tm_zone = tx->tm_zone; - - *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */ - if (tzn != NULL) - *tzn = (char *) tm->tm_zone; -#elif defined(HAVE_INT_TIMEZONE) - *tzp = ((tm->tm_isdst > 0) ? (TIMEZONE_GLOBAL - 3600) : TIMEZONE_GLOBAL); - if (tzn != NULL) - *tzn = tzname[(tm->tm_isdst > 0)]; -#endif - -#else /* not (HAVE_TM_ZONE || HAVE_INT_TIMEZONE) */ - *tzp = CTimeZone; /* V7 conventions; don't know timezone? */ - if (tzn != NULL) - *tzn = CTZName; -#endif - - dt = dt2local(dt, *tzp); - } - else - { - *tzp = 0; - /* Mark this as *no* time zone available */ - tm->tm_isdst = -1; - if (tzn != NULL) - *tzn = NULL; - } - } - else - { - tm->tm_isdst = -1; - if (tzn != NULL) - *tzn = NULL; - } - - return 0; -} /* timestamp2tm() */ - - -/* tm2timestamp() - * Convert a tm structure to a timestamp data type. - * Note that year is _not_ 1900-based, but is an explicit full value. - * Also, month is one-based, _not_ zero-based. - */ -int -tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, Timestamp *result) -{ -#ifdef HAVE_INT64_TIMESTAMP - int date; - int64 time; -#else - double date, - time; -#endif - - /* Julian day routines are not correct for negative Julian days */ - if (!IS_VALID_JULIAN(tm->tm_year, tm->tm_mon, tm->tm_mday)) - return -1; - - date = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(2000, 1, 1); - time = time2t(tm->tm_hour, tm->tm_min, tm->tm_sec, fsec); -#ifdef HAVE_INT64_TIMESTAMP - *result = ((date * INT64CONST(86400000000)) + time); -#else - *result = ((date * 86400) + time); -#endif - if (tzp != NULL) - *result = dt2local(*result, -(*tzp)); - - return 0; -} /* tm2timestamp() */ - - -/* interval2tm() - * Convert a interval data type to a tm structure. - */ -int -interval2tm(Interval span, struct tm * tm, fsec_t *fsec) -{ -#ifdef HAVE_INT64_TIMESTAMP - int64 time; -#else - double time; -#endif - - if (span.month != 0) - { - tm->tm_year = span.month / 12; - tm->tm_mon = span.month % 12; - - } - else - { - tm->tm_year = 0; - tm->tm_mon = 0; - } - - time = span.time; - -#ifdef HAVE_INT64_TIMESTAMP - tm->tm_mday = (time / INT64CONST(86400000000)); - time -= (tm->tm_mday * INT64CONST(86400000000)); - tm->tm_hour = (time / INT64CONST(3600000000)); - time -= (tm->tm_hour * INT64CONST(3600000000)); - tm->tm_min = (time / INT64CONST(60000000)); - time -= (tm->tm_min * INT64CONST(60000000)); - tm->tm_sec = (time / INT64CONST(1000000)); - *fsec = (time - (tm->tm_sec * INT64CONST(1000000))); -#else - TMODULO(time, tm->tm_mday, 86400e0); - TMODULO(time, tm->tm_hour, 3600e0); - TMODULO(time, tm->tm_min, 60e0); - TMODULO(time, tm->tm_sec, 1e0); - *fsec = time; -#endif - - return 0; -} /* interval2tm() */ - -int -tm2interval(struct tm * tm, fsec_t fsec, Interval *span) -{ - span->month = ((tm->tm_year * 12) + tm->tm_mon); -#ifdef HAVE_INT64_TIMESTAMP - span->time = ((((((((tm->tm_mday * INT64CONST(24)) - + tm->tm_hour) * INT64CONST(60)) - + tm->tm_min) * INT64CONST(60)) - + tm->tm_sec) * INT64CONST(1000000)) + fsec); -#else - span->time = ((((((tm->tm_mday * 24.0) - + tm->tm_hour) * 60.0) - + tm->tm_min) * 60.0) - + tm->tm_sec); - span->time = JROUND(span->time + fsec); -#endif - - return 0; -} /* tm2interval() */ - -#ifdef HAVE_INT64_TIMESTAMP -static int64 -time2t(const int hour, const int min, const int sec, const fsec_t fsec) -{ - return ((((((hour * 60) + min) * 60) + sec) * INT64CONST(1000000)) + fsec); -} /* time2t() */ -#else -static double -time2t(const int hour, const int min, const int sec, const fsec_t fsec) -{ - return ((((hour * 60) + min) * 60) + sec + fsec); -} /* time2t() */ -#endif - -static Timestamp -dt2local(Timestamp dt, int tz) -{ -#ifdef HAVE_INT64_TIMESTAMP - dt -= (tz * INT64CONST(1000000)); -#else - dt -= tz; - dt = JROUND(dt); -#endif - return dt; -} /* dt2local() */ - - -/***************************************************************************** - * PUBLIC ROUTINES * - *****************************************************************************/ - - -Datum -timestamp_finite(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - - PG_RETURN_BOOL(!TIMESTAMP_NOT_FINITE(timestamp)); -} - -Datum -interval_finite(PG_FUNCTION_ARGS) -{ - PG_RETURN_BOOL(true); -} - - -/*---------------------------------------------------------- - * Relational operators for timestamp. - *---------------------------------------------------------*/ - -void -GetEpochTime(struct tm * tm) -{ - struct tm *t0; - time_t epoch = 0; - - t0 = gmtime(&epoch); - - tm->tm_year = t0->tm_year; - tm->tm_mon = t0->tm_mon; - tm->tm_mday = t0->tm_mday; - tm->tm_hour = t0->tm_hour; - tm->tm_min = t0->tm_min; - tm->tm_sec = t0->tm_sec; - - if (tm->tm_year < 1900) - tm->tm_year += 1900; - tm->tm_mon++; - - return; -} /* GetEpochTime() */ - -Timestamp -SetEpochTimestamp(void) -{ - Timestamp dt; - struct tm tt, - *tm = &tt; - - GetEpochTime(tm); - tm2timestamp(tm, 0, NULL, &dt); - - return dt; -} /* SetEpochTimestamp() */ - -/* - * timestamp_relop - is timestamp1 relop timestamp2 - * - * collate invalid timestamp at the end - */ -static int -timestamp_cmp_internal(Timestamp dt1, Timestamp dt2) -{ - return ((dt1 < dt2) ? -1 : ((dt1 > dt2) ? 1 : 0)); -} - -Datum -timestamp_eq(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) == 0); -} - -Datum -timestamp_ne(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) != 0); -} - -Datum -timestamp_lt(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) < 0); -} - -Datum -timestamp_gt(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) > 0); -} - -Datum -timestamp_le(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) <= 0); -} - -Datum -timestamp_ge(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) >= 0); -} - -Datum -timestamp_cmp(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - - PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2)); -} - - -/* - * interval_relop - is interval1 relop interval2 - * - * collate invalid interval at the end - */ -static int -interval_cmp_internal(Interval *interval1, Interval *interval2) -{ -#ifdef HAVE_INT64_TIMESTAMP - int64 span1, - span2; -#else - double span1, - span2; -#endif - - span1 = interval1->time; - span2 = interval2->time; - -#ifdef HAVE_INT64_TIMESTAMP - if (interval1->month != 0) - span1 += ((interval1->month * INT64CONST(30) * INT64CONST(86400000000))); - if (interval2->month != 0) - span2 += ((interval2->month * INT64CONST(30) * INT64CONST(86400000000))); -#else - if (interval1->month != 0) - span1 += (interval1->month * (30.0 * 86400)); - if (interval2->month != 0) - span2 += (interval2->month * (30.0 * 86400)); -#endif - - return ((span1 < span2) ? -1 : (span1 > span2) ? 1 : 0); -} - -Datum -interval_eq(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) == 0); -} - -Datum -interval_ne(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) != 0); -} - -Datum -interval_lt(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) < 0); -} - -Datum -interval_gt(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) > 0); -} - -Datum -interval_le(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) <= 0); -} - -Datum -interval_ge(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) >= 0); -} - -Datum -interval_cmp(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - - PG_RETURN_INT32(interval_cmp_internal(interval1, interval2)); -} - -/* - * interval, being an unusual size, needs a specialized hash function. - */ -Datum -interval_hash(PG_FUNCTION_ARGS) -{ - Interval *key = PG_GETARG_INTERVAL_P(0); - - /* - * Specify hash length as sizeof(double) + sizeof(int4), not as - * sizeof(Interval), so that any garbage pad bytes in the structure - * won't be included in the hash! - */ - return hash_any((unsigned char *) key, sizeof(key->time) + sizeof(key->month)); -} - -/* overlaps_timestamp() --- implements the SQL92 OVERLAPS operator. - * - * Algorithm is per SQL92 spec. This is much harder than you'd think - * because the spec requires us to deliver a non-null answer in some cases - * where some of the inputs are null. - */ -Datum -overlaps_timestamp(PG_FUNCTION_ARGS) -{ - /* - * The arguments are Timestamps, but we leave them as generic Datums - * to avoid unnecessary conversions between value and reference forms - * --- not to mention possible dereferences of null pointers. - */ - Datum ts1 = PG_GETARG_DATUM(0); - Datum te1 = PG_GETARG_DATUM(1); - Datum ts2 = PG_GETARG_DATUM(2); - Datum te2 = PG_GETARG_DATUM(3); - bool ts1IsNull = PG_ARGISNULL(0); - bool te1IsNull = PG_ARGISNULL(1); - bool ts2IsNull = PG_ARGISNULL(2); - bool te2IsNull = PG_ARGISNULL(3); - -#define TIMESTAMP_GT(t1,t2) \ - DatumGetBool(DirectFunctionCall2(timestamp_gt,t1,t2)) -#define TIMESTAMP_LT(t1,t2) \ - DatumGetBool(DirectFunctionCall2(timestamp_lt,t1,t2)) - - /* - * If both endpoints of interval 1 are null, the result is null - * (unknown). If just one endpoint is null, take ts1 as the non-null - * one. Otherwise, take ts1 as the lesser endpoint. - */ - if (ts1IsNull) - { - if (te1IsNull) - PG_RETURN_NULL(); - /* swap null for non-null */ - ts1 = te1; - te1IsNull = true; - } - else if (!te1IsNull) - { - if (TIMESTAMP_GT(ts1, te1)) - { - Datum tt = ts1; - - ts1 = te1; - te1 = tt; - } - } - - /* Likewise for interval 2. */ - if (ts2IsNull) - { - if (te2IsNull) - PG_RETURN_NULL(); - /* swap null for non-null */ - ts2 = te2; - te2IsNull = true; - } - else if (!te2IsNull) - { - if (TIMESTAMP_GT(ts2, te2)) - { - Datum tt = ts2; - - ts2 = te2; - te2 = tt; - } - } - - /* - * At this point neither ts1 nor ts2 is null, so we can consider three - * cases: ts1 > ts2, ts1 < ts2, ts1 = ts2 - */ - if (TIMESTAMP_GT(ts1, ts2)) - { - /* - * This case is ts1 < te2 OR te1 < te2, which may look redundant - * but in the presence of nulls it's not quite completely so. - */ - if (te2IsNull) - PG_RETURN_NULL(); - if (TIMESTAMP_LT(ts1, te2)) - PG_RETURN_BOOL(true); - if (te1IsNull) - PG_RETURN_NULL(); - - /* - * If te1 is not null then we had ts1 <= te1 above, and we just - * found ts1 >= te2, hence te1 >= te2. - */ - PG_RETURN_BOOL(false); - } - else if (TIMESTAMP_LT(ts1, ts2)) - { - /* This case is ts2 < te1 OR te2 < te1 */ - if (te1IsNull) - PG_RETURN_NULL(); - if (TIMESTAMP_LT(ts2, te1)) - PG_RETURN_BOOL(true); - if (te2IsNull) - PG_RETURN_NULL(); - - /* - * If te2 is not null then we had ts2 <= te2 above, and we just - * found ts2 >= te1, hence te2 >= te1. - */ - PG_RETURN_BOOL(false); - } - else - { - /* - * For ts1 = ts2 the spec says te1 <> te2 OR te1 = te2, which is a - * rather silly way of saying "true if both are nonnull, else - * null". - */ - if (te1IsNull || te2IsNull) - PG_RETURN_NULL(); - PG_RETURN_BOOL(true); - } - -#undef TIMESTAMP_GT -#undef TIMESTAMP_LT -} - - -/*---------------------------------------------------------- - * "Arithmetic" operators on date/times. - *---------------------------------------------------------*/ - -/* We are currently sharing some code between timestamp and timestamptz. - * The comparison functions are among them. - thomas 2001-09-25 - */ -Datum -timestamp_smaller(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - Timestamp result; - - result = ((dt2 < dt1) ? dt2 : dt1); - - PG_RETURN_TIMESTAMP(result); -} - -Datum -timestamp_larger(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - Timestamp result; - - result = ((dt2 > dt1) ? dt2 : dt1); - - PG_RETURN_TIMESTAMP(result); -} - - -Datum -timestamp_mi(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - Interval *result; - - result = (Interval *) palloc(sizeof(Interval)); - - if (TIMESTAMP_NOT_FINITE(dt1) || TIMESTAMP_NOT_FINITE(dt2)) - { - elog(ERROR, "Unable to subtract non-finite timestamps"); - result->time = 0; - } - else -#ifdef HAVE_INT64_TIMESTAMP - result->time = (dt1 - dt2); -#else - result->time = JROUND(dt1 - dt2); -#endif - - result->month = 0; - - PG_RETURN_INTERVAL_P(result); -} - - -/* timestamp_pl_span() - * Add a interval to a timestamp data type. - * Note that interval has provisions for qualitative year/month - * units, so try to do the right thing with them. - * To add a month, increment the month, and use the same day of month. - * Then, if the next month has fewer days, set the day of month - * to the last day of month. - * Lastly, add in the "quantitative time". - */ -Datum -timestamp_pl_span(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - Interval *span = PG_GETARG_INTERVAL_P(1); - Timestamp result; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - { - result = timestamp; - } - else - { - if (span->month != 0) - { - struct tm tt, - *tm = &tt; - fsec_t fsec; - - if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) == 0) - { - tm->tm_mon += span->month; - if (tm->tm_mon > 12) - { - tm->tm_year += ((tm->tm_mon - 1) / 12); - tm->tm_mon = (((tm->tm_mon - 1) % 12) + 1); - } - else if (tm->tm_mon < 1) - { - tm->tm_year += ((tm->tm_mon / 12) - 1); - tm->tm_mon = ((tm->tm_mon % 12) + 12); - } - - /* adjust for end of month boundary problems... */ - if (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]) - tm->tm_mday = (day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]); - - if (tm2timestamp(tm, fsec, NULL, ×tamp) != 0) - { - elog(ERROR, "Unable to add TIMESTAMP and INTERVAL" - "\n\ttimestamp_pl_span() internal error encoding timestamp"); - PG_RETURN_NULL(); - } - } - else - { - elog(ERROR, "Unable to add TIMESTAMP and INTERVAL" - "\n\ttimestamp_pl_span() internal error decoding timestamp"); - PG_RETURN_NULL(); - } - } - - timestamp += span->time; - result = timestamp; - } - - PG_RETURN_TIMESTAMP(result); -} - -Datum -timestamp_mi_span(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - Interval *span = PG_GETARG_INTERVAL_P(1); - Interval tspan; - - tspan.month = -span->month; - tspan.time = -span->time; - - return DirectFunctionCall2(timestamp_pl_span, - TimestampGetDatum(timestamp), - PointerGetDatum(&tspan)); -} - - -/* timestamptz_pl_span() - * Add a interval to a timestamp with time zone data type. - * Note that interval has provisions for qualitative year/month - * units, so try to do the right thing with them. - * To add a month, increment the month, and use the same day of month. - * Then, if the next month has fewer days, set the day of month - * to the last day of month. - * Lastly, add in the "quantitative time". - */ -Datum -timestamptz_pl_span(PG_FUNCTION_ARGS) -{ - TimestampTz timestamp = PG_GETARG_TIMESTAMP(0); - Interval *span = PG_GETARG_INTERVAL_P(1); - TimestampTz result; - int tz; - char *tzn; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - result = timestamp; - else - { - if (span->month != 0) - { - struct tm tt, - *tm = &tt; - fsec_t fsec; - - if (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) == 0) - { - tm->tm_mon += span->month; - if (tm->tm_mon > 12) - { - tm->tm_year += ((tm->tm_mon - 1) / 12); - tm->tm_mon = (((tm->tm_mon - 1) % 12) + 1); - } - else if (tm->tm_mon < 1) - { - tm->tm_year += ((tm->tm_mon / 12) - 1); - tm->tm_mon = ((tm->tm_mon % 12) + 12); - } - - /* adjust for end of month boundary problems... */ - if (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]) - tm->tm_mday = (day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]); - - tz = DetermineLocalTimeZone(tm); - - if (tm2timestamp(tm, fsec, &tz, ×tamp) != 0) - elog(ERROR, "Unable to add TIMESTAMP and INTERVAL" - "\n\ttimestamptz_pl_span() internal error encoding timestamp"); - } - else - { - elog(ERROR, "Unable to add TIMESTAMP and INTERVAL" - "\n\ttimestamptz_pl_span() internal error decoding timestamp"); - } - } - - timestamp += span->time; - result = timestamp; - } - - PG_RETURN_TIMESTAMP(result); -} - -Datum -timestamptz_mi_span(PG_FUNCTION_ARGS) -{ - TimestampTz timestamp = PG_GETARG_TIMESTAMP(0); - Interval *span = PG_GETARG_INTERVAL_P(1); - Interval tspan; - - tspan.month = -span->month; - tspan.time = -span->time; - - return DirectFunctionCall2(timestamptz_pl_span, - TimestampGetDatum(timestamp), - PointerGetDatum(&tspan)); -} - - -Datum -interval_um(PG_FUNCTION_ARGS) -{ - Interval *interval = PG_GETARG_INTERVAL_P(0); - Interval *result; - - result = (Interval *) palloc(sizeof(Interval)); - - result->time = -(interval->time); - result->month = -(interval->month); - - PG_RETURN_INTERVAL_P(result); -} - - -Datum -interval_smaller(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - Interval *result; -#ifdef HAVE_INT64_TIMESTAMP - int64 span1, - span2; -#else - double span1, - span2; -#endif - - result = (Interval *) palloc(sizeof(Interval)); - - span1 = interval1->time; - span2 = interval2->time; -#ifdef HAVE_INT64_TIMESTAMP - if (interval1->month != 0) - span1 += ((interval1->month * INT64CONST(30) * INT64CONST(86400000000))); - if (interval2->month != 0) - span2 += ((interval2->month * INT64CONST(30) * INT64CONST(86400000000))); -#else - if (interval1->month != 0) - span1 += (interval1->month * (30.0 * 86400)); - if (interval2->month != 0) - span2 += (interval2->month * (30.0 * 86400)); -#endif - - if (span2 < span1) - { - result->time = interval2->time; - result->month = interval2->month; - } - else - { - result->time = interval1->time; - result->month = interval1->month; - } - - PG_RETURN_INTERVAL_P(result); -} - -Datum -interval_larger(PG_FUNCTION_ARGS) -{ - Interval *interval1 = PG_GETARG_INTERVAL_P(0); - Interval *interval2 = PG_GETARG_INTERVAL_P(1); - Interval *result; -#ifdef HAVE_INT64_TIMESTAMP - int64 span1, - span2; -#else - double span1, - span2; -#endif - - result = (Interval *) palloc(sizeof(Interval)); - - span1 = interval1->time; - span2 = interval2->time; -#ifdef HAVE_INT64_TIMESTAMP - if (interval1->month != 0) - span1 += ((interval1->month * INT64CONST(30) * INT64CONST(86400000000))); - if (interval2->month != 0) - span2 += ((interval2->month * INT64CONST(30) * INT64CONST(86400000000))); -#else - if (interval1->month != 0) - span1 += (interval1->month * (30.0 * 86400)); - if (interval2->month != 0) - span2 += (interval2->month * (30.0 * 86400)); -#endif - - if (span2 > span1) - { - result->time = interval2->time; - result->month = interval2->month; - } - else - { - result->time = interval1->time; - result->month = interval1->month; - } - - PG_RETURN_INTERVAL_P(result); -} - -Datum -interval_pl(PG_FUNCTION_ARGS) -{ - Interval *span1 = PG_GETARG_INTERVAL_P(0); - Interval *span2 = PG_GETARG_INTERVAL_P(1); - Interval *result; - - result = (Interval *) palloc(sizeof(Interval)); - - result->month = (span1->month + span2->month); -#ifdef HAVE_INT64_TIMESTAMP - result->time = (span1->time + span2->time); -#else - result->time = JROUND(span1->time + span2->time); -#endif - - PG_RETURN_INTERVAL_P(result); -} - -Datum -interval_mi(PG_FUNCTION_ARGS) -{ - Interval *span1 = PG_GETARG_INTERVAL_P(0); - Interval *span2 = PG_GETARG_INTERVAL_P(1); - Interval *result; - - result = (Interval *) palloc(sizeof(Interval)); - - result->month = (span1->month - span2->month); -#ifdef HAVE_INT64_TIMESTAMP - result->time = (span1->time - span2->time); -#else - result->time = JROUND(span1->time - span2->time); -#endif - - PG_RETURN_INTERVAL_P(result); -} - -Datum -interval_mul(PG_FUNCTION_ARGS) -{ - Interval *span1 = PG_GETARG_INTERVAL_P(0); - float8 factor = PG_GETARG_FLOAT8(1); - Interval *result; -#ifdef HAVE_INT64_TIMESTAMP - int64 months; -#else - double months; -#endif - - result = (Interval *) palloc(sizeof(Interval)); - - months = (span1->month * factor); -#ifdef HAVE_INT64_TIMESTAMP - result->month = months; - result->time = (span1->time * factor); - result->time += ((months - result->month) * INT64CONST(30) - * INT64CONST(86400000000)); -#else - result->month = rint(months); - result->time = JROUND(span1->time * factor); - /* evaluate fractional months as 30 days */ - result->time += JROUND((months - result->month) * 30 * 86400); -#endif - - PG_RETURN_INTERVAL_P(result); -} - -Datum -mul_d_interval(PG_FUNCTION_ARGS) -{ - /* Args are float8 and Interval *, but leave them as generic Datum */ - Datum factor = PG_GETARG_DATUM(0); - Datum span1 = PG_GETARG_DATUM(1); - - return DirectFunctionCall2(interval_mul, span1, factor); -} - -Datum -interval_div(PG_FUNCTION_ARGS) -{ - Interval *span = PG_GETARG_INTERVAL_P(0); - float8 factor = PG_GETARG_FLOAT8(1); - Interval *result; -#ifndef HAVE_INT64_TIMESTAMP - double months; -#endif - - result = (Interval *) palloc(sizeof(Interval)); - - if (factor == 0.0) - elog(ERROR, "interval_div: divide by 0.0 error"); - -#ifdef HAVE_INT64_TIMESTAMP - result->month = (span->month / factor); - result->time = (span->time / factor); - /* evaluate fractional months as 30 days */ - result->time += (((span->month - (result->month * factor)) - * INT64CONST(30) * INT64CONST(86400000000)) / factor); -#else - months = (span->month / factor); - result->month = rint(months); - result->time = JROUND(span->time / factor); - /* evaluate fractional months as 30 days */ - result->time += JROUND((months - result->month) * 30 * 86400); -#endif - - PG_RETURN_INTERVAL_P(result); -} - -/* - * interval_accum and interval_avg implement the AVG(interval) aggregate. - * - * The transition datatype for this aggregate is a 2-element array of - * intervals, where the first is the running sum and the second contains - * the number of values so far in its 'time' field. This is a bit ugly - * but it beats inventing a specialized datatype for the purpose. - */ - -Datum -interval_accum(PG_FUNCTION_ARGS) -{ - ArrayType *transarray = PG_GETARG_ARRAYTYPE_P(0); - Interval *newval = PG_GETARG_INTERVAL_P(1); - Datum *transdatums; - int ndatums; - Interval sumX, - N; - Interval *newsum; - ArrayType *result; - - /* We assume the input is array of interval */ - deconstruct_array(transarray, - false, 12, 'd', - &transdatums, &ndatums); - if (ndatums != 2) - elog(ERROR, "interval_accum: expected 2-element interval array"); - - /* - * XXX memcpy, instead of just extracting a pointer, to work around - * buggy array code: it won't ensure proper alignment of Interval - * objects on machines where double requires 8-byte alignment. That - * should be fixed, but in the meantime... - * - * Note: must use DatumGetPointer here, not DatumGetIntervalP, - * else some compilers optimize into double-aligned load/store anyway. - */ - memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval)); - memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval)); - - newsum = DatumGetIntervalP(DirectFunctionCall2(interval_pl, - IntervalPGetDatum(&sumX), - IntervalPGetDatum(newval))); - N.time += 1; - - transdatums[0] = IntervalPGetDatum(newsum); - transdatums[1] = IntervalPGetDatum(&N); - - result = construct_array(transdatums, 2, - false, 12, 'd'); - - PG_RETURN_ARRAYTYPE_P(result); -} - -Datum -interval_avg(PG_FUNCTION_ARGS) -{ - ArrayType *transarray = PG_GETARG_ARRAYTYPE_P(0); - Datum *transdatums; - int ndatums; - Interval sumX, - N; - - /* We assume the input is array of interval */ - deconstruct_array(transarray, - false, 12, 'd', - &transdatums, &ndatums); - if (ndatums != 2) - elog(ERROR, "interval_avg: expected 2-element interval array"); - - /* - * XXX memcpy, instead of just extracting a pointer, to work around - * buggy array code: it won't ensure proper alignment of Interval - * objects on machines where double requires 8-byte alignment. That - * should be fixed, but in the meantime... - * - * Note: must use DatumGetPointer here, not DatumGetIntervalP, - * else some compilers optimize into double-aligned load/store anyway. - */ - memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval)); - memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval)); - - /* SQL92 defines AVG of no values to be NULL */ - if (N.time == 0) - PG_RETURN_NULL(); - - return DirectFunctionCall2(interval_div, - IntervalPGetDatum(&sumX), - Float8GetDatum(N.time)); -} - - -/* timestamp_age() - * Calculate time difference while retaining year/month fields. - * Note that this does not result in an accurate absolute time span - * since year and month are out of context once the arithmetic - * is done. - */ -Datum -timestamp_age(PG_FUNCTION_ARGS) -{ - Timestamp dt1 = PG_GETARG_TIMESTAMP(0); - Timestamp dt2 = PG_GETARG_TIMESTAMP(1); - Interval *result; - fsec_t fsec, - fsec1, - fsec2; - struct tm tt, - *tm = &tt; - struct tm tt1, - *tm1 = &tt1; - struct tm tt2, - *tm2 = &tt2; - - result = (Interval *) palloc(sizeof(Interval)); - - if ((timestamp2tm(dt1, NULL, tm1, &fsec1, NULL) == 0) - && (timestamp2tm(dt2, NULL, tm2, &fsec2, NULL) == 0)) - { - fsec = (fsec1 - fsec2); - tm->tm_sec = (tm1->tm_sec - tm2->tm_sec); - tm->tm_min = (tm1->tm_min - tm2->tm_min); - tm->tm_hour = (tm1->tm_hour - tm2->tm_hour); - tm->tm_mday = (tm1->tm_mday - tm2->tm_mday); - tm->tm_mon = (tm1->tm_mon - tm2->tm_mon); - tm->tm_year = (tm1->tm_year - tm2->tm_year); - - /* flip sign if necessary... */ - if (dt1 < dt2) - { - 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; - } - - if (tm->tm_sec < 0) - { - tm->tm_sec += 60; - tm->tm_min--; - } - - if (tm->tm_min < 0) - { - tm->tm_min += 60; - tm->tm_hour--; - } - - if (tm->tm_hour < 0) - { - tm->tm_hour += 24; - tm->tm_mday--; - } - - if (tm->tm_mday < 0) - { - if (dt1 < dt2) - { - tm->tm_mday += day_tab[isleap(tm1->tm_year)][tm1->tm_mon - 1]; - tm->tm_mon--; - } - else - { - tm->tm_mday += day_tab[isleap(tm2->tm_year)][tm2->tm_mon - 1]; - tm->tm_mon--; - } - } - - if (tm->tm_mon < 0) - { - tm->tm_mon += 12; - tm->tm_year--; - } - - /* recover sign if necessary... */ - if (dt1 < dt2) - { - 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; - } - - if (tm2interval(tm, fsec, result) != 0) - elog(ERROR, "Unable to encode INTERVAL" - "\n\ttimestamp_age() internal coding error"); - } - else - elog(ERROR, "Unable to decode TIMESTAMP" - "\n\ttimestamp_age() internal coding error"); - - PG_RETURN_INTERVAL_P(result); -} - - -/* timestamptz_age() - * Calculate time difference while retaining year/month fields. - * Note that this does not result in an accurate absolute time span - * since year and month are out of context once the arithmetic - * is done. - */ -Datum -timestamptz_age(PG_FUNCTION_ARGS) -{ - TimestampTz dt1 = PG_GETARG_TIMESTAMP(0); - TimestampTz dt2 = PG_GETARG_TIMESTAMP(1); - Interval *result; - fsec_t fsec, - fsec1, - fsec2; - struct tm tt, - *tm = &tt; - struct tm tt1, - *tm1 = &tt1; - struct tm tt2, - *tm2 = &tt2; - - result = (Interval *) palloc(sizeof(Interval)); - - if ((timestamp2tm(dt1, NULL, tm1, &fsec1, NULL) == 0) - && (timestamp2tm(dt2, NULL, tm2, &fsec2, NULL) == 0)) - { - fsec = (fsec1 - fsec2); - tm->tm_sec = (tm1->tm_sec - tm2->tm_sec); - tm->tm_min = (tm1->tm_min - tm2->tm_min); - tm->tm_hour = (tm1->tm_hour - tm2->tm_hour); - tm->tm_mday = (tm1->tm_mday - tm2->tm_mday); - tm->tm_mon = (tm1->tm_mon - tm2->tm_mon); - tm->tm_year = (tm1->tm_year - tm2->tm_year); - - /* flip sign if necessary... */ - if (dt1 < dt2) - { - 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; - } - - if (tm->tm_sec < 0) - { - tm->tm_sec += 60; - tm->tm_min--; - } - - if (tm->tm_min < 0) - { - tm->tm_min += 60; - tm->tm_hour--; - } - - if (tm->tm_hour < 0) - { - tm->tm_hour += 24; - tm->tm_mday--; - } - - if (tm->tm_mday < 0) - { - if (dt1 < dt2) - { - tm->tm_mday += day_tab[isleap(tm1->tm_year)][tm1->tm_mon - 1]; - tm->tm_mon--; - } - else - { - tm->tm_mday += day_tab[isleap(tm2->tm_year)][tm2->tm_mon - 1]; - tm->tm_mon--; - } - } - - if (tm->tm_mon < 0) - { - tm->tm_mon += 12; - tm->tm_year--; - } - - /* recover sign if necessary... */ - if (dt1 < dt2) - { - 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; - } - - if (tm2interval(tm, fsec, result) != 0) - elog(ERROR, "Unable to decode TIMESTAMP"); - } - else - elog(ERROR, "Unable to decode TIMESTAMP"); - - PG_RETURN_INTERVAL_P(result); -} - - -/*---------------------------------------------------------- - * Conversion operators. - *---------------------------------------------------------*/ - - -/* timestamp_text() - * Convert timestamp to text data type. - */ -Datum -timestamp_text(PG_FUNCTION_ARGS) -{ - /* Input is a Timestamp, but may as well leave it in Datum form */ - Datum timestamp = PG_GETARG_DATUM(0); - text *result; - char *str; - int len; - - str = DatumGetCString(DirectFunctionCall1(timestamp_out, timestamp)); - - len = (strlen(str) + VARHDRSZ); - - result = palloc(len); - - VARATT_SIZEP(result) = len; - memmove(VARDATA(result), str, (len - VARHDRSZ)); - - pfree(str); - - PG_RETURN_TEXT_P(result); -} - - -/* text_timestamp() - * Convert text string to timestamp. - * Text type is not null terminated, so use temporary string - * then call the standard input routine. - */ -Datum -text_timestamp(PG_FUNCTION_ARGS) -{ - text *str = PG_GETARG_TEXT_P(0); - int i; - char *sp, - *dp, - dstr[MAXDATELEN + 1]; - - if (VARSIZE(str) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP bad external representation (too long)"); - - sp = VARDATA(str); - dp = dstr; - for (i = 0; i < (VARSIZE(str) - VARHDRSZ); i++) - *dp++ = *sp++; - *dp = '\0'; - - return DirectFunctionCall3(timestamp_in, - CStringGetDatum(dstr), - ObjectIdGetDatum(InvalidOid), - Int32GetDatum(-1)); -} - - -/* timestamptz_text() - * Convert timestamp with time zone to text data type. - */ -Datum -timestamptz_text(PG_FUNCTION_ARGS) -{ - /* Input is a Timestamp, but may as well leave it in Datum form */ - Datum timestamp = PG_GETARG_DATUM(0); - text *result; - char *str; - int len; - - str = DatumGetCString(DirectFunctionCall1(timestamptz_out, timestamp)); - - len = (strlen(str) + VARHDRSZ); - - result = palloc(len); - - VARATT_SIZEP(result) = len; - memmove(VARDATA(result), str, (len - VARHDRSZ)); - - pfree(str); - - PG_RETURN_TEXT_P(result); -} - -/* text_timestamptz() - * Convert text string to timestamp with time zone. - * Text type is not null terminated, so use temporary string - * then call the standard input routine. - */ -Datum -text_timestamptz(PG_FUNCTION_ARGS) -{ - text *str = PG_GETARG_TEXT_P(0); - int i; - char *sp, - *dp, - dstr[MAXDATELEN + 1]; - - if (VARSIZE(str) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP WITH TIME ZONE bad external representation (too long)"); - - sp = VARDATA(str); - dp = dstr; - for (i = 0; i < (VARSIZE(str) - VARHDRSZ); i++) - *dp++ = *sp++; - *dp = '\0'; - - return DirectFunctionCall3(timestamptz_in, - CStringGetDatum(dstr), - ObjectIdGetDatum(InvalidOid), - Int32GetDatum(-1)); -} - - -/* interval_text() - * Convert interval to text data type. - */ -Datum -interval_text(PG_FUNCTION_ARGS) -{ - Interval *interval = PG_GETARG_INTERVAL_P(0); - text *result; - char *str; - int len; - - str = DatumGetCString(DirectFunctionCall1(interval_out, - IntervalPGetDatum(interval))); - - len = (strlen(str) + VARHDRSZ); - - result = palloc(len); - - VARATT_SIZEP(result) = len; - memmove(VARDATA(result), str, (len - VARHDRSZ)); - - pfree(str); - - PG_RETURN_TEXT_P(result); -} - - -/* text_interval() - * Convert text string to interval. - * Text type may not be null terminated, so copy to temporary string - * then call the standard input routine. - */ -Datum -text_interval(PG_FUNCTION_ARGS) -{ - text *str = PG_GETARG_TEXT_P(0); - int i; - char *sp, - *dp, - dstr[MAXDATELEN + 1]; - - if (VARSIZE(str) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "INTERVAL bad external representation (too long)"); - sp = VARDATA(str); - dp = dstr; - for (i = 0; i < (VARSIZE(str) - VARHDRSZ); i++) - *dp++ = *sp++; - *dp = '\0'; - - return DirectFunctionCall3(interval_in, - CStringGetDatum(dstr), - ObjectIdGetDatum(InvalidOid), - Int32GetDatum(-1)); -} - -/* timestamp_trunc() - * Truncate timestamp to specified units. - */ -Datum -timestamp_trunc(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - Timestamp timestamp = PG_GETARG_TIMESTAMP(1); - Timestamp result; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - fsec_t fsec; - struct tm tt, - *tm = &tt; - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_TIMESTAMP(timestamp); - - if ((type == UNITS) && (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) == 0)) - { - switch (val) - { - case DTK_MILLENNIUM: - tm->tm_year = (tm->tm_year / 1000) * 1000; - case DTK_CENTURY: - tm->tm_year = (tm->tm_year / 100) * 100; - case DTK_DECADE: - tm->tm_year = (tm->tm_year / 10) * 10; - case DTK_YEAR: - tm->tm_mon = 1; - case DTK_QUARTER: - tm->tm_mon = (3 * (tm->tm_mon / 4)) + 1; - case DTK_MONTH: - tm->tm_mday = 1; - case DTK_DAY: - tm->tm_hour = 0; - case DTK_HOUR: - tm->tm_min = 0; - case DTK_MINUTE: - tm->tm_sec = 0; - case DTK_SECOND: - fsec = 0; - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - fsec = ((fsec / 1000) * 1000); -#else - fsec = rint(fsec * 1000) / 1000; -#endif - break; - - case DTK_MICROSEC: -#ifndef HAVE_INT64_TIMESTAMP - fsec = rint(fsec * 1000000) / 1000000; -#endif - break; - - default: - elog(ERROR, "TIMESTAMP units '%s' not supported", lowunits); - result = 0; - } - - if (tm2timestamp(tm, fsec, NULL, &result) != 0) - elog(ERROR, "Unable to truncate TIMESTAMP to '%s'", lowunits); - } - else - { - elog(ERROR, "TIMESTAMP units '%s' not recognized", lowunits); - result = 0; - } - - PG_RETURN_TIMESTAMP(result); -} - -/* timestamptz_trunc() - * Truncate timestamp to specified units. - */ -Datum -timestamptz_trunc(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - TimestampTz timestamp = PG_GETARG_TIMESTAMP(1); - TimestampTz result; - int tz; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - fsec_t fsec; - char *tzn; - struct tm tt, - *tm = &tt; - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_TIMESTAMPTZ(timestamp); - - if ((type == UNITS) && (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) == 0)) - { - switch (val) - { - case DTK_MILLENNIUM: - tm->tm_year = (tm->tm_year / 1000) * 1000; - case DTK_CENTURY: - tm->tm_year = (tm->tm_year / 100) * 100; - case DTK_DECADE: - tm->tm_year = (tm->tm_year / 10) * 10; - case DTK_YEAR: - tm->tm_mon = 1; - case DTK_QUARTER: - tm->tm_mon = (3 * (tm->tm_mon / 4)) + 1; - case DTK_MONTH: - tm->tm_mday = 1; - case DTK_DAY: - tm->tm_hour = 0; - case DTK_HOUR: - tm->tm_min = 0; - case DTK_MINUTE: - tm->tm_sec = 0; - case DTK_SECOND: - fsec = 0; - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - fsec = ((fsec / 1000) * 1000); -#else - fsec = rint(fsec * 1000) / 1000; -#endif - break; - case DTK_MICROSEC: -#ifndef HAVE_INT64_TIMESTAMP - fsec = rint(fsec * 1000000) / 1000000; -#endif - break; - - default: - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not supported", lowunits); - result = 0; - } - - tz = DetermineLocalTimeZone(tm); - - if (tm2timestamp(tm, fsec, &tz, &result) != 0) - elog(ERROR, "Unable to truncate TIMESTAMP WITH TIME ZONE to '%s'", lowunits); - } - else - { - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not recognized", lowunits); - PG_RETURN_NULL(); - } - - PG_RETURN_TIMESTAMPTZ(result); -} - -/* interval_trunc() - * Extract specified field from interval. - */ -Datum -interval_trunc(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - Interval *interval = PG_GETARG_INTERVAL_P(1); - Interval *result; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - fsec_t fsec; - struct tm tt, - *tm = &tt; - - result = (Interval *) palloc(sizeof(Interval)); - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "INTERVAL units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - - if (type == UNITS) - { - if (interval2tm(*interval, tm, &fsec) == 0) - { - switch (val) - { - case DTK_MILLENNIUM: - tm->tm_year = (tm->tm_year / 1000) * 1000; - case DTK_CENTURY: - tm->tm_year = (tm->tm_year / 100) * 100; - case DTK_DECADE: - tm->tm_year = (tm->tm_year / 10) * 10; - case DTK_YEAR: - tm->tm_mon = 0; - case DTK_QUARTER: - tm->tm_mon = (3 * (tm->tm_mon / 4)); - case DTK_MONTH: - tm->tm_mday = 0; - case DTK_DAY: - tm->tm_hour = 0; - case DTK_HOUR: - tm->tm_min = 0; - case DTK_MINUTE: - tm->tm_sec = 0; - case DTK_SECOND: - fsec = 0; - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - fsec = ((fsec / 1000) * 1000); -#else - fsec = rint(fsec * 1000) / 1000; -#endif - break; - case DTK_MICROSEC: -#ifndef HAVE_INT64_TIMESTAMP - fsec = rint(fsec * 1000000) / 1000000; -#endif - break; - - default: - elog(ERROR, "INTERVAL units '%s' not supported", lowunits); - } - - if (tm2interval(tm, fsec, result) != 0) - elog(ERROR, "Unable to truncate INTERVAL to '%s'", lowunits); - - } - else - { - elog(WARNING, "Unable to decode INTERVAL; internal coding error"); - *result = *interval; - } - } - else - { - elog(ERROR, "INTERVAL units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - *result = *interval; - } - - PG_RETURN_INTERVAL_P(result); -} - -/* isoweek2date() - * Convert ISO week of year number to date. - * The year field must be specified! - * karel 2000/08/07 - */ -void -isoweek2date(int woy, int *year, int *mon, int *mday) -{ - int day0, - day4, - dayn; - - if (!*year) - elog(ERROR, "isoweek2date(): can't convert without year information"); - - /* fourth day of current year */ - day4 = date2j(*year, 1, 4); - - /* day0 == offset to first day of week (Monday) */ - day0 = (j2day(day4 - 1) % 7); - - dayn = ((woy - 1) * 7) + (day4 - day0); - - j2date(dayn, year, mon, mday); -} - -/* date2isoweek() - * - * Returns ISO week number of year. - */ -int -date2isoweek(int year, int mon, int mday) -{ - float8 result; - int day0, - day4, - dayn; - - /* current day */ - dayn = date2j(year, mon, mday); - - /* fourth day of current year */ - day4 = date2j(year, 1, 4); - - /* day0 == offset to first day of week (Monday) */ - day0 = (j2day(day4 - 1) % 7); - - /* - * We need the first week containing a Thursday, otherwise this day - * falls into the previous year for purposes of counting weeks - */ - if (dayn < (day4 - day0)) - { - day4 = date2j((year - 1), 1, 4); - - /* day0 == offset to first day of week (Monday) */ - day0 = (j2day(day4 - 1) % 7); - } - - result = (((dayn - (day4 - day0)) / 7) + 1); - - /* - * Sometimes the last few days in a year will fall into the first week - * of the next year, so check for this. - */ - if (result >= 53) - { - day4 = date2j((year + 1), 1, 4); - - /* day0 == offset to first day of week (Monday) */ - day0 = (j2day(day4 - 1) % 7); - - if (dayn >= (day4 - day0)) - result = (((dayn - (day4 - day0)) / 7) + 1); - } - - return (int) result; -} - - -/* timestamp_part() - * Extract specified field from timestamp. - */ -Datum -timestamp_part(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - Timestamp timestamp = PG_GETARG_TIMESTAMP(1); - float8 result; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - fsec_t fsec; - struct tm tt, - *tm = &tt; - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - if (type == UNKNOWN_FIELD) - type = DecodeSpecial(0, lowunits, &val); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - { - result = 0; - PG_RETURN_FLOAT8(result); - } - - if ((type == UNITS) - && (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) == 0)) - { - switch (val) - { - case DTK_MICROSEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000000e0) + fsec); -#else - result = (tm->tm_sec + fsec) * 1000000; -#endif - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000e0) + (fsec / 1000e0)); -#else - result = (tm->tm_sec + fsec) * 1000; -#endif - break; - - case DTK_SECOND: -#ifdef HAVE_INT64_TIMESTAMP - result = (tm->tm_sec + (fsec / 1000000e0)); -#else - result = (tm->tm_sec + fsec); -#endif - break; - - case DTK_MINUTE: - result = tm->tm_min; - break; - - case DTK_HOUR: - result = tm->tm_hour; - break; - - case DTK_DAY: - result = tm->tm_mday; - break; - - case DTK_MONTH: - result = tm->tm_mon; - break; - - case DTK_QUARTER: - result = ((tm->tm_mon - 1) / 3) + 1; - break; - - case DTK_WEEK: - result = (float8) date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday); - break; - - case DTK_YEAR: - result = tm->tm_year; - break; - - case DTK_DECADE: - result = (tm->tm_year / 10); - break; - - case DTK_CENTURY: - result = (tm->tm_year / 100); - break; - - case DTK_MILLENNIUM: - result = (tm->tm_year / 1000); - break; - - case DTK_JULIAN: - result = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday); -#ifdef HAVE_INT64_TIMESTAMP - result += (((((tm->tm_hour * 60) + tm->tm_min) * 60) - + tm->tm_sec + (fsec / 1000000e0)) / 86400e0); -#else - result += (((((tm->tm_hour * 60) + tm->tm_min) * 60) - + tm->tm_sec + fsec) / 86400e0); -#endif - break; - - case DTK_TZ: - case DTK_TZ_MINUTE: - case DTK_TZ_HOUR: - default: - elog(ERROR, "TIMESTAMP units '%s' not supported", lowunits); - result = 0; - } - } - else if (type == RESERV) - { - switch (val) - { - case DTK_EPOCH: - result = ((timestamp - SetEpochTimestamp()) / 1000000e0); - break; - - case DTK_DOW: - if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) != 0) - elog(ERROR, "Unable to encode TIMESTAMP"); - - result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)); - break; - - case DTK_DOY: - if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) != 0) - elog(ERROR, "Unable to encode TIMESTAMP"); - - result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - - date2j(tm->tm_year, 1, 1) + 1); - break; - - default: - elog(ERROR, "TIMESTAMP units '%s' not supported", lowunits); - result = 0; - } - - } - else - { - elog(ERROR, "TIMESTAMP units '%s' not recognized", lowunits); - result = 0; - } - - PG_RETURN_FLOAT8(result); -} - -/* timestamptz_part() - * Extract specified field from timestamp with time zone. - */ -Datum -timestamptz_part(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - TimestampTz timestamp = PG_GETARG_TIMESTAMP(1); - float8 result; - int tz; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - double dummy; - fsec_t fsec; - char *tzn; - struct tm tt, - *tm = &tt; - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - if (type == UNKNOWN_FIELD) - type = DecodeSpecial(0, lowunits, &val); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - { - result = 0; - PG_RETURN_FLOAT8(result); - } - - if ((type == UNITS) - && (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) == 0)) - { - switch (val) - { - case DTK_TZ: - result = tz; - break; - - case DTK_TZ_MINUTE: - result = tz / 60; - TMODULO(result, dummy, 60e0); - break; - - case DTK_TZ_HOUR: - dummy = tz; - TMODULO(dummy, result, 3600e0); - break; - - case DTK_MICROSEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000000e0) + fsec); -#else - result = (tm->tm_sec + fsec) * 1000000; -#endif - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000e0) + (fsec / 1000e0)); -#else - result = (tm->tm_sec + fsec) * 1000; -#endif - break; - - case DTK_SECOND: -#ifdef HAVE_INT64_TIMESTAMP - result = (tm->tm_sec + (fsec / 1000000e0)); -#else - result = (tm->tm_sec + fsec); -#endif - break; - - case DTK_MINUTE: - result = tm->tm_min; - break; - - case DTK_HOUR: - result = tm->tm_hour; - break; - - case DTK_DAY: - result = tm->tm_mday; - break; - - case DTK_MONTH: - result = tm->tm_mon; - break; - - case DTK_QUARTER: - result = ((tm->tm_mon - 1) / 3) + 1; - break; - - case DTK_WEEK: - result = (float8) date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday); - break; - - case DTK_YEAR: - result = tm->tm_year; - break; - - case DTK_DECADE: - result = (tm->tm_year / 10); - break; - - case DTK_CENTURY: - result = (tm->tm_year / 100); - break; - - case DTK_MILLENNIUM: - result = (tm->tm_year / 1000); - break; - - case DTK_JULIAN: - result = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday); -#ifdef HAVE_INT64_TIMESTAMP - result += (((((tm->tm_hour * 60) + tm->tm_min) * 60) - + tm->tm_sec + (fsec / 1000000e0)) / 86400e0); -#else - result += (((((tm->tm_hour * 60) + tm->tm_min) * 60) - + tm->tm_sec + fsec) / 86400e0); -#endif - break; - - default: - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not supported", lowunits); - result = 0; - } - - } - else if (type == RESERV) - { - switch (val) - { - case DTK_EPOCH: -#ifdef HAVE_INT64_TIMESTAMP - result = ((timestamp - SetEpochTimestamp()) / 100000e0); -#else - result = timestamp - SetEpochTimestamp(); -#endif - break; - - case DTK_DOW: - if (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) != 0) - elog(ERROR, "Unable to encode TIMESTAMP WITH TIME ZONE"); - - result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)); - break; - - case DTK_DOY: - if (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) != 0) - elog(ERROR, "Unable to encode TIMESTAMP WITH TIME ZONE"); - - result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - - date2j(tm->tm_year, 1, 1) + 1); - break; - - default: - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not supported", lowunits); - result = 0; - } - } - else - { - elog(ERROR, "TIMESTAMP WITH TIME ZONE units '%s' not recognized", lowunits); - result = 0; - } - - PG_RETURN_FLOAT8(result); -} - - -/* interval_part() - * Extract specified field from interval. - */ -Datum -interval_part(PG_FUNCTION_ARGS) -{ - text *units = PG_GETARG_TEXT_P(0); - Interval *interval = PG_GETARG_INTERVAL_P(1); - float8 result; - int type, - val; - int i; - char *up, - *lp, - lowunits[MAXDATELEN + 1]; - fsec_t fsec; - struct tm tt, - *tm = &tt; - - if (VARSIZE(units) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "INTERVAL units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - up = VARDATA(units); - lp = lowunits; - for (i = 0; i < (VARSIZE(units) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeUnits(0, lowunits, &val); - if (type == UNKNOWN_FIELD) - type = DecodeSpecial(0, lowunits, &val); - - if (type == UNITS) - { - if (interval2tm(*interval, tm, &fsec) == 0) - { - switch (val) - { - case DTK_MICROSEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000000e0) + fsec); -#else - result = (tm->tm_sec + fsec) * 1000000; -#endif - break; - - case DTK_MILLISEC: -#ifdef HAVE_INT64_TIMESTAMP - result = ((tm->tm_sec * 1000e0) + (fsec / 1000e0)); -#else - result = (tm->tm_sec + fsec) * 1000; -#endif - break; - - case DTK_SECOND: -#ifdef HAVE_INT64_TIMESTAMP - result = (tm->tm_sec + (fsec / 1000000e0)); -#else - result = (tm->tm_sec + fsec); -#endif - break; - - case DTK_MINUTE: - result = tm->tm_min; - break; - - case DTK_HOUR: - result = tm->tm_hour; - break; - - case DTK_DAY: - result = tm->tm_mday; - break; - - case DTK_MONTH: - result = tm->tm_mon; - break; - - case DTK_QUARTER: - result = (tm->tm_mon / 4) + 1; - break; - - case DTK_YEAR: - result = tm->tm_year; - break; - - case DTK_DECADE: - result = (tm->tm_year / 10); - break; - - case DTK_CENTURY: - result = (tm->tm_year / 100); - break; - - case DTK_MILLENNIUM: - result = (tm->tm_year / 1000); - break; - - default: - elog(ERROR, "INTERVAL units '%s' not supported", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - result = 0; - } - - } - else - { - elog(WARNING, "Unable to decode INTERVAL" - "\n\tinterval_part() internal coding error"); - result = 0; - } - } - else if ((type == RESERV) && (val == DTK_EPOCH)) - { -#ifdef HAVE_INT64_TIMESTAMP - result = (interval->time / 1000000e0); -#else - result = interval->time; -#endif - if (interval->month != 0) - { - result += ((365.25 * 86400) * (interval->month / 12)); - result += ((30.0 * 86400) * (interval->month % 12)); - } - } - else - { - elog(ERROR, "INTERVAL units '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(units)))); - result = 0; - } - - PG_RETURN_FLOAT8(result); -} - - -/* timestamp_zone() - * Encode timestamp type with specified time zone. - * Returns timestamp with time zone, with the input - * rotated from local time to the specified zone. - */ -Datum -timestamp_zone(PG_FUNCTION_ARGS) -{ - text *zone = PG_GETARG_TEXT_P(0); - Timestamp timestamp = PG_GETARG_TIMESTAMP(1); - TimestampTz result; - int tz; - int type, - val; - int i; - char *up, - *lp, - lowzone[MAXDATELEN + 1]; - - if (VARSIZE(zone) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "Time zone '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(zone)))); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_TIMESTAMPTZ(timestamp); - - up = VARDATA(zone); - lp = lowzone; - for (i = 0; i < (VARSIZE(zone) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeSpecial(0, lowzone, &val); - - if ((type == TZ) || (type == DTZ)) - { - tz = -(val * 60); - - result = dt2local(timestamp, tz); - } - else - { - elog(ERROR, "Time zone '%s' not recognized", lowzone); - PG_RETURN_NULL(); - } - - PG_RETURN_TIMESTAMPTZ(result); -} /* timestamp_zone() */ - -/* timestamp_izone() - * Encode timestamp type with specified time interval as time zone. - */ -Datum -timestamp_izone(PG_FUNCTION_ARGS) -{ - Interval *zone = PG_GETARG_INTERVAL_P(0); - Timestamp timestamp = PG_GETARG_TIMESTAMP(1); - TimestampTz result; - int tz; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_TIMESTAMPTZ(timestamp); - - if (zone->month != 0) - elog(ERROR, "INTERVAL time zone '%s' not legal (month specified)", - DatumGetCString(DirectFunctionCall1(interval_out, - PointerGetDatum(zone)))); - -#ifdef HAVE_INT64_TIMESTAMP - tz = (zone->time / INT64CONST(1000000)); -#else - tz = (zone->time); -#endif - - result = dt2local(timestamp, tz); - - PG_RETURN_TIMESTAMPTZ(result); -} /* timestamp_izone() */ - -/* timestamp_timestamptz() - * Convert local timestamp to timestamp at GMT - */ -Datum -timestamp_timestamptz(PG_FUNCTION_ARGS) -{ - Timestamp timestamp = PG_GETARG_TIMESTAMP(0); - TimestampTz result; - struct tm tt, - *tm = &tt; - fsec_t fsec; - int tz; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - result = timestamp; - else - { - if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL) != 0) - elog(ERROR, "Unable to convert TIMESTAMP to TIMESTAMP WITH TIME ZONE (tm)"); - - tz = DetermineLocalTimeZone(tm); - - if (tm2timestamp(tm, fsec, &tz, &result) != 0) - elog(ERROR, "Unable to convert TIMESTAMP to TIMESTAMP WITH TIME ZONE"); - } - - PG_RETURN_TIMESTAMPTZ(result); -} - -/* timestamptz_timestamp() - * Convert timestamp at GMT to local timestamp - */ -Datum -timestamptz_timestamp(PG_FUNCTION_ARGS) -{ - TimestampTz timestamp = PG_GETARG_TIMESTAMP(0); - Timestamp result; - struct tm tt, - *tm = &tt; - fsec_t fsec; - char *tzn; - int tz; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - result = timestamp; - else - { - if (timestamp2tm(timestamp, &tz, tm, &fsec, &tzn) != 0) - elog(ERROR, "Unable to convert TIMESTAMP WITH TIME ZONE to TIMESTAMP (tm)"); - - if (tm2timestamp(tm, fsec, NULL, &result) != 0) - elog(ERROR, "Unable to convert TIMESTAMP WITH TIME ZONE to TIMESTAMP"); - } - - PG_RETURN_TIMESTAMP(result); -} - -/* timestamptz_zone() - * Evaluate timestamp with time zone type at the specified time zone. - * Returns a timestamp without time zone. - */ -Datum -timestamptz_zone(PG_FUNCTION_ARGS) -{ - text *zone = PG_GETARG_TEXT_P(0); - TimestampTz timestamp = PG_GETARG_TIMESTAMP(1); - Timestamp result; - - int tz; - int type, - val; - int i; - char *up, - *lp, - lowzone[MAXDATELEN + 1]; - - if (VARSIZE(zone) - VARHDRSZ > MAXDATELEN) - elog(ERROR, "Time zone '%s' not recognized", - DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(zone)))); - up = VARDATA(zone); - lp = lowzone; - for (i = 0; i < (VARSIZE(zone) - VARHDRSZ); i++) - *lp++ = tolower((unsigned char) *up++); - *lp = '\0'; - - type = DecodeSpecial(0, lowzone, &val); - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_NULL(); - - if ((type == TZ) || (type == DTZ)) - { - tz = val * 60; - - result = dt2local(timestamp, tz); - } - else - { - elog(ERROR, "Time zone '%s' not recognized", lowzone); - PG_RETURN_NULL(); - } - - PG_RETURN_TIMESTAMP(result); -} /* timestamptz_zone() */ - -/* timestamptz_izone() - * Encode timestamp with time zone type with specified time interval as time zone. - * Returns a timestamp without time zone. - */ -Datum -timestamptz_izone(PG_FUNCTION_ARGS) -{ - Interval *zone = PG_GETARG_INTERVAL_P(0); - TimestampTz timestamp = PG_GETARG_TIMESTAMP(1); - Timestamp result; - int tz; - - if (TIMESTAMP_NOT_FINITE(timestamp)) - PG_RETURN_NULL(); - - if (zone->month != 0) - elog(ERROR, "INTERVAL time zone '%s' not legal (month specified)", - DatumGetCString(DirectFunctionCall1(interval_out, - PointerGetDatum(zone)))); - -#ifdef HAVE_INT64_TIMESTAMP - tz = -(zone->time / INT64CONST(1000000)); -#else - tz = -(zone->time); -#endif - - result = dt2local(timestamp, tz); - - PG_RETURN_TIMESTAMP(result); -} /* timestamptz_izone() */ |