diff options
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/pl/tcl/pltcl.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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src/test/regress/sql/portals.sql
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src/test/regress/sql/reltime.sql
src/test/regress/sql/rules.sql
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src/test/regress/sql/select.sql
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Diffstat (limited to 'src/pl/tcl/pltcl.c')
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1 files changed, 0 insertions, 2417 deletions
diff --git a/src/pl/tcl/pltcl.c b/src/pl/tcl/pltcl.c deleted file mode 100644 index 9e67e913ea4..00000000000 --- a/src/pl/tcl/pltcl.c +++ /dev/null @@ -1,2417 +0,0 @@ -/********************************************************************** - * pltcl.c - PostgreSQL support for Tcl as - * procedural language (PL) - * - * This software is copyrighted by Jan Wieck - Hamburg. - * - * The author hereby grants permission to use, copy, modify, - * distribute, and license this software and its documentation - * for any purpose, provided that existing copyright notices are - * retained in all copies and that this notice is included - * verbatim in any distributions. No written agreement, license, - * or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their - * author and need not follow the licensing terms described - * here, provided that the new terms are clearly indicated on - * the first page of each file where they apply. - * - * IN NO EVENT SHALL THE AUTHOR OR DISTRIBUTORS BE LIABLE TO ANY - * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS - * SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN - * IF THE AUTHOR HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE AUTHOR AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR - * PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON - * AN "AS IS" BASIS, AND THE AUTHOR AND DISTRIBUTORS HAVE NO - * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, - * ENHANCEMENTS, OR MODIFICATIONS. - * - * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/pl/tcl/pltcl.c,v 1.56 2002/06/15 19:54:24 momjian Exp $ - * - **********************************************************************/ - -#include "postgres.h" - -#include <tcl.h> - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <setjmp.h> - -#include "access/heapam.h" -#include "catalog/pg_language.h" -#include "catalog/pg_proc.h" -#include "catalog/pg_type.h" -#include "commands/trigger.h" -#include "executor/spi.h" -#include "fmgr.h" -#include "nodes/makefuncs.h" -#include "parser/parse_type.h" -#include "tcop/tcopprot.h" -#include "utils/builtins.h" -#include "utils/syscache.h" - -#if defined(UNICODE_CONVERSION) && TCL_MAJOR_VERSION == 8 \ - && TCL_MINOR_VERSION > 0 - -#include "mb/pg_wchar.h" - -static pg_enconv *tcl_enconv; - -static unsigned char * -utf_u2e(unsigned char *src) -{ - return pg_do_encoding_conversion(src, strlen(src), - NULL, tcl_enconv->from_unicode); -} - -static unsigned char * -utf_e2u(unsigned char *src) -{ - return pg_do_encoding_conversion(src, strlen(src), - tcl_enconv->to_unicode, NULL); -} - -#define PLTCL_UTF -#define UTF_BEGIN do { \ - unsigned char *_pltcl_utf_src; \ - unsigned char *_pltcl_utf_dst -#define UTF_END if (_pltcl_utf_src!=_pltcl_utf_dst) \ - pfree(_pltcl_utf_dst); } while (0) -#define UTF_U2E(x) (_pltcl_utf_dst=utf_u2e(_pltcl_utf_src=(x))) -#define UTF_E2U(x) (_pltcl_utf_dst=utf_e2u(_pltcl_utf_src=(x))) -#else /* PLTCL_UTF */ -#define UTF_BEGIN -#define UTF_END -#define UTF_U2E(x) (x) -#define UTF_E2U(x) (x) -#endif /* PLTCL_UTF */ - -/********************************************************************** - * The information we cache about loaded procedures - **********************************************************************/ -typedef struct pltcl_proc_desc -{ - char *proname; - TransactionId fn_xmin; - CommandId fn_cmin; - bool lanpltrusted; - FmgrInfo result_in_func; - Oid result_in_elem; - int nargs; - FmgrInfo arg_out_func[FUNC_MAX_ARGS]; - Oid arg_out_elem[FUNC_MAX_ARGS]; - int arg_is_rel[FUNC_MAX_ARGS]; -} pltcl_proc_desc; - - -/********************************************************************** - * The information we cache about prepared and saved plans - **********************************************************************/ -typedef struct pltcl_query_desc -{ - char qname[20]; - void *plan; - int nargs; - Oid *argtypes; - FmgrInfo *arginfuncs; - Oid *argtypelems; -} pltcl_query_desc; - - -/********************************************************************** - * Global data - **********************************************************************/ -static int pltcl_firstcall = 1; -static int pltcl_call_level = 0; -static int pltcl_restart_in_progress = 0; -static Tcl_Interp *pltcl_hold_interp = NULL; -static Tcl_Interp *pltcl_norm_interp = NULL; -static Tcl_Interp *pltcl_safe_interp = NULL; -static Tcl_HashTable *pltcl_proc_hash = NULL; -static Tcl_HashTable *pltcl_norm_query_hash = NULL; -static Tcl_HashTable *pltcl_safe_query_hash = NULL; -static FunctionCallInfo pltcl_current_fcinfo = NULL; - -/********************************************************************** - * Forward declarations - **********************************************************************/ -static void pltcl_init_all(void); -static void pltcl_init_interp(Tcl_Interp *interp); - -static void pltcl_init_load_unknown(Tcl_Interp *interp); - -Datum pltcl_call_handler(PG_FUNCTION_ARGS); -Datum pltclu_call_handler(PG_FUNCTION_ARGS); - -static Datum pltcl_func_handler(PG_FUNCTION_ARGS); - -static HeapTuple pltcl_trigger_handler(PG_FUNCTION_ARGS); - -static pltcl_proc_desc *compile_pltcl_function(Oid fn_oid, bool is_trigger); - -static int pltcl_elog(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); -static int pltcl_quote(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); -static int pltcl_argisnull(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); -static int pltcl_returnnull(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); - -static int pltcl_SPI_exec(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); -static int pltcl_SPI_prepare(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); -static int pltcl_SPI_execp(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); - -static void pltcl_set_tuple_values(Tcl_Interp *interp, char *arrayname, - int tupno, HeapTuple tuple, TupleDesc tupdesc); -static void pltcl_build_tuple_argument(HeapTuple tuple, TupleDesc tupdesc, - Tcl_DString *retval); -static int pltcl_SPI_lastoid(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]); - -/* - * This routine is a crock, and so is everyplace that calls it. The problem - * is that the cached form of pltcl functions/queries is allocated permanently - * (mostly via malloc()) and never released until backend exit. Subsidiary - * data structures such as fmgr info records therefore must live forever - * as well. A better implementation would store all this stuff in a per- - * function memory context that could be reclaimed at need. In the meantime, - * fmgr_info_cxt must be called specifying TopMemoryContext so that whatever - * it might allocate, and whatever the eventual function might allocate using - * fn_mcxt, will live forever too. - */ -static void -perm_fmgr_info(Oid functionId, FmgrInfo *finfo) -{ - fmgr_info_cxt(functionId, finfo, TopMemoryContext); -} - -/********************************************************************** - * pltcl_init_all() - Initialize all - **********************************************************************/ -static void -pltcl_init_all(void) -{ - /************************************************************ - * Do initialization only once - ************************************************************/ - if (!pltcl_firstcall) - return; - -#ifdef PLTCL_UTF - /************************************************************ - * Do unicode conversion initialization - ************************************************************/ - - tcl_enconv = pg_get_enconv_by_encoding(GetDatabaseEncoding()); -#endif - - /************************************************************ - * Create the dummy hold interpreter to prevent close of - * stdout and stderr on DeleteInterp - ************************************************************/ - if ((pltcl_hold_interp = Tcl_CreateInterp()) == NULL) - { - elog(ERROR, "pltcl: internal error - cannot create 'hold' " - "interpreter"); - } - - /************************************************************ - * Create the two interpreters - ************************************************************/ - if ((pltcl_norm_interp = - Tcl_CreateSlave(pltcl_hold_interp, "norm", 0)) == NULL) - { - elog(ERROR, - "pltcl: internal error - cannot create 'normal' interpreter"); - } - pltcl_init_interp(pltcl_norm_interp); - - if ((pltcl_safe_interp = - Tcl_CreateSlave(pltcl_hold_interp, "safe", 1)) == NULL) - { - elog(ERROR, - "pltcl: internal error - cannot create 'safe' interpreter"); - } - pltcl_init_interp(pltcl_safe_interp); - - /************************************************************ - * Initialize the proc and query hash tables - ************************************************************/ - pltcl_proc_hash = (Tcl_HashTable *) malloc(sizeof(Tcl_HashTable)); - pltcl_norm_query_hash = (Tcl_HashTable *) malloc(sizeof(Tcl_HashTable)); - pltcl_safe_query_hash = (Tcl_HashTable *) malloc(sizeof(Tcl_HashTable)); - Tcl_InitHashTable(pltcl_proc_hash, TCL_STRING_KEYS); - Tcl_InitHashTable(pltcl_norm_query_hash, TCL_STRING_KEYS); - Tcl_InitHashTable(pltcl_safe_query_hash, TCL_STRING_KEYS); - - pltcl_firstcall = 0; - return; -} - - -/********************************************************************** - * pltcl_init_interp() - initialize a Tcl interpreter - **********************************************************************/ -static void -pltcl_init_interp(Tcl_Interp *interp) -{ - /************************************************************ - * Install the commands for SPI support in the interpreter - ************************************************************/ - Tcl_CreateCommand(interp, "elog", - pltcl_elog, NULL, NULL); - Tcl_CreateCommand(interp, "quote", - pltcl_quote, NULL, NULL); - Tcl_CreateCommand(interp, "argisnull", - pltcl_argisnull, NULL, NULL); - Tcl_CreateCommand(interp, "return_null", - pltcl_returnnull, NULL, NULL); - - Tcl_CreateCommand(interp, "spi_exec", - pltcl_SPI_exec, NULL, NULL); - Tcl_CreateCommand(interp, "spi_prepare", - pltcl_SPI_prepare, NULL, NULL); - Tcl_CreateCommand(interp, "spi_execp", - pltcl_SPI_execp, NULL, NULL); - Tcl_CreateCommand(interp, "spi_lastoid", - pltcl_SPI_lastoid, NULL, NULL); - - /************************************************************ - * Try to load the unknown procedure from pltcl_modules - ************************************************************/ - if (SPI_connect() != SPI_OK_CONNECT) - elog(ERROR, "pltcl_init_interp(): SPI_connect failed"); - pltcl_init_load_unknown(interp); - if (SPI_finish() != SPI_OK_FINISH) - elog(ERROR, "pltcl_init_interp(): SPI_finish failed"); -} - - -/********************************************************************** - * pltcl_init_load_unknown() - Load the unknown procedure from - * table pltcl_modules (if it exists) - **********************************************************************/ -static void -pltcl_init_load_unknown(Tcl_Interp *interp) -{ - int spi_rc; - int tcl_rc; - Tcl_DString unknown_src; - char *part; - int i; - int fno; - - /************************************************************ - * Check if table pltcl_modules exists - ************************************************************/ - spi_rc = SPI_exec("select 1 from pg_class " - "where relname = 'pltcl_modules'", 1); - if (spi_rc != SPI_OK_SELECT) - elog(ERROR, "pltcl_init_load_unknown(): select from pg_class failed"); - if (SPI_processed == 0) - return; - - /************************************************************ - * Read all the row's from it where modname = 'unknown' in - * the order of modseq - ************************************************************/ - Tcl_DStringInit(&unknown_src); - - spi_rc = SPI_exec("select modseq, modsrc from pltcl_modules " - "where modname = 'unknown' " - "order by modseq", 0); - if (spi_rc != SPI_OK_SELECT) - { - elog(ERROR, "pltcl_init_load_unknown(): select from pltcl_modules " - "failed"); - } - - /************************************************************ - * If there's nothing, module unknown doesn't exist - ************************************************************/ - if (SPI_processed == 0) - { - Tcl_DStringFree(&unknown_src); - elog(WARNING, "pltcl: Module unknown not found in pltcl_modules"); - return; - } - - /************************************************************ - * There is a module named unknown. Resemble the - * source from the modsrc attributes and evaluate - * it in the Tcl interpreter - ************************************************************/ - fno = SPI_fnumber(SPI_tuptable->tupdesc, "modsrc"); - - for (i = 0; i < SPI_processed; i++) - { - part = SPI_getvalue(SPI_tuptable->vals[i], - SPI_tuptable->tupdesc, fno); - if (part != NULL) - { - UTF_BEGIN; - Tcl_DStringAppend(&unknown_src, UTF_E2U(part), -1); - UTF_END; - pfree(part); - } - } - tcl_rc = Tcl_GlobalEval(interp, Tcl_DStringValue(&unknown_src)); - Tcl_DStringFree(&unknown_src); -} - - -/********************************************************************** - * pltcl_call_handler - This is the only visible function - * of the PL interpreter. The PostgreSQL - * function manager and trigger manager - * call this function for execution of - * PL/Tcl procedures. - **********************************************************************/ -PG_FUNCTION_INFO_V1(pltcl_call_handler); - -/* keep non-static */ -Datum -pltcl_call_handler(PG_FUNCTION_ARGS) -{ - Datum retval; - FunctionCallInfo save_fcinfo; - - /************************************************************ - * Initialize interpreters on first call - ************************************************************/ - if (pltcl_firstcall) - pltcl_init_all(); - - /************************************************************ - * Connect to SPI manager - ************************************************************/ - if (SPI_connect() != SPI_OK_CONNECT) - elog(ERROR, "pltcl: cannot connect to SPI manager"); - /************************************************************ - * Keep track about the nesting of Tcl-SPI-Tcl-... calls - ************************************************************/ - pltcl_call_level++; - - /************************************************************ - * Determine if called as function or trigger and - * call appropriate subhandler - ************************************************************/ - save_fcinfo = pltcl_current_fcinfo; - - if (CALLED_AS_TRIGGER(fcinfo)) - { - pltcl_current_fcinfo = NULL; - retval = PointerGetDatum(pltcl_trigger_handler(fcinfo)); - } - else - { - pltcl_current_fcinfo = fcinfo; - retval = pltcl_func_handler(fcinfo); - } - - pltcl_current_fcinfo = save_fcinfo; - - pltcl_call_level--; - - return retval; -} - - -/* - * Alternate handler for unsafe functions - */ -PG_FUNCTION_INFO_V1(pltclu_call_handler); - -/* keep non-static */ -Datum -pltclu_call_handler(PG_FUNCTION_ARGS) -{ - return pltcl_call_handler(fcinfo); -} - -/********************************************************************** - * pltcl_func_handler() - Handler for regular function calls - **********************************************************************/ -static Datum -pltcl_func_handler(PG_FUNCTION_ARGS) -{ - pltcl_proc_desc *prodesc; - Tcl_Interp *volatile interp; - Tcl_DString tcl_cmd; - Tcl_DString list_tmp; - int i; - int tcl_rc; - Datum retval; - sigjmp_buf save_restart; - - /* Find or compile the function */ - prodesc = compile_pltcl_function(fcinfo->flinfo->fn_oid, false); - - if (prodesc->lanpltrusted) - interp = pltcl_safe_interp; - else - interp = pltcl_norm_interp; - - /************************************************************ - * Create the tcl command to call the internal - * proc in the Tcl interpreter - ************************************************************/ - Tcl_DStringInit(&tcl_cmd); - Tcl_DStringInit(&list_tmp); - Tcl_DStringAppendElement(&tcl_cmd, prodesc->proname); - - /************************************************************ - * Catch elog(ERROR) during build of the Tcl command - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - Tcl_DStringFree(&tcl_cmd); - Tcl_DStringFree(&list_tmp); - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - /************************************************************ - * Add all call arguments to the command - ************************************************************/ - for (i = 0; i < prodesc->nargs; i++) - { - if (prodesc->arg_is_rel[i]) - { - /************************************************** - * For tuple values, add a list for 'array set ...' - **************************************************/ - TupleTableSlot *slot = (TupleTableSlot *) fcinfo->arg[i]; - - Assert(slot != NULL && !fcinfo->argnull[i]); - Tcl_DStringInit(&list_tmp); - pltcl_build_tuple_argument(slot->val, - slot->ttc_tupleDescriptor, - &list_tmp); - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&list_tmp)); - Tcl_DStringFree(&list_tmp); - Tcl_DStringInit(&list_tmp); - } - else - { - /************************************************** - * Single values are added as string element - * of their external representation - **************************************************/ - if (fcinfo->argnull[i]) - Tcl_DStringAppendElement(&tcl_cmd, ""); - else - { - char *tmp; - - tmp = DatumGetCString(FunctionCall3(&prodesc->arg_out_func[i], - fcinfo->arg[i], - ObjectIdGetDatum(prodesc->arg_out_elem[i]), - Int32GetDatum(-1))); - UTF_BEGIN; - Tcl_DStringAppendElement(&tcl_cmd, UTF_E2U(tmp)); - UTF_END; - pfree(tmp); - } - } - } - Tcl_DStringFree(&list_tmp); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - /************************************************************ - * Call the Tcl function - ************************************************************/ - tcl_rc = Tcl_GlobalEval(interp, Tcl_DStringValue(&tcl_cmd)); - Tcl_DStringFree(&tcl_cmd); - - /************************************************************ - * Check the return code from Tcl and handle - * our special restart mechanism to get rid - * of all nested call levels on transaction - * abort. - ************************************************************/ - if (tcl_rc != TCL_OK || pltcl_restart_in_progress) - { - if (!pltcl_restart_in_progress) - { - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - UTF_BEGIN; - elog(ERROR, "pltcl: %s\n%s", interp->result, - UTF_U2E(Tcl_GetVar(interp, "errorInfo", - TCL_GLOBAL_ONLY))); - UTF_END; - } - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - /************************************************************ - * Convert the result value from the Tcl interpreter - * into its PostgreSQL data format and return it. - * Again, the function call could fire an elog and we - * have to count for the current interpreter level we are - * on. The save_restart from above is still good. - ************************************************************/ - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - /************************************************************ - * Disconnect from SPI manager and then create the return - * values datum (if the input function does a palloc for it - * this must not be allocated in the SPI memory context - * because SPI_finish would free it). But don't try to call - * the result_in_func if we've been told to return a NULL; - * the contents of interp->result may not be a valid value of - * the result type in that case. - ************************************************************/ - if (SPI_finish() != SPI_OK_FINISH) - elog(ERROR, "pltcl: SPI_finish() failed"); - - if (fcinfo->isnull) - retval = (Datum) 0; - else - { - UTF_BEGIN; - retval = FunctionCall3(&prodesc->result_in_func, - PointerGetDatum(UTF_U2E(interp->result)), - ObjectIdGetDatum(prodesc->result_in_elem), - Int32GetDatum(-1)); - UTF_END; - } - - /************************************************************ - * Finally we may restore normal error handling. - ************************************************************/ - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - return retval; -} - - -/********************************************************************** - * pltcl_trigger_handler() - Handler for trigger calls - **********************************************************************/ -static HeapTuple -pltcl_trigger_handler(PG_FUNCTION_ARGS) -{ - pltcl_proc_desc *prodesc; - Tcl_Interp *volatile interp; - TriggerData *trigdata = (TriggerData *) fcinfo->context; - char *stroid; - TupleDesc tupdesc; - volatile HeapTuple rettup; - Tcl_DString tcl_cmd; - Tcl_DString tcl_trigtup; - Tcl_DString tcl_newtup; - int tcl_rc; - int i; - - int *modattrs; - Datum *modvalues; - char *modnulls; - - int ret_numvals; - char **ret_values; - - sigjmp_buf save_restart; - - /* Find or compile the function */ - prodesc = compile_pltcl_function(fcinfo->flinfo->fn_oid, true); - - if (prodesc->lanpltrusted) - interp = pltcl_safe_interp; - else - interp = pltcl_norm_interp; - - tupdesc = trigdata->tg_relation->rd_att; - - /************************************************************ - * Create the tcl command to call the internal - * proc in the interpreter - ************************************************************/ - Tcl_DStringInit(&tcl_cmd); - Tcl_DStringInit(&tcl_trigtup); - Tcl_DStringInit(&tcl_newtup); - - /************************************************************ - * We call external functions below - care for elog(ERROR) - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - Tcl_DStringFree(&tcl_cmd); - Tcl_DStringFree(&tcl_trigtup); - Tcl_DStringFree(&tcl_newtup); - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - /* The procedure name */ - Tcl_DStringAppendElement(&tcl_cmd, prodesc->proname); - - /* The trigger name for argument TG_name */ - Tcl_DStringAppendElement(&tcl_cmd, trigdata->tg_trigger->tgname); - - /* The oid of the trigger relation for argument TG_relid */ - stroid = DatumGetCString(DirectFunctionCall1(oidout, - ObjectIdGetDatum(trigdata->tg_relation->rd_id))); - Tcl_DStringAppendElement(&tcl_cmd, stroid); - pfree(stroid); - - /* A list of attribute names for argument TG_relatts */ - Tcl_DStringAppendElement(&tcl_trigtup, ""); - for (i = 0; i < tupdesc->natts; i++) - Tcl_DStringAppendElement(&tcl_trigtup, - NameStr(tupdesc->attrs[i]->attname)); - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - Tcl_DStringFree(&tcl_trigtup); - Tcl_DStringInit(&tcl_trigtup); - - /* The when part of the event for TG_when */ - if (TRIGGER_FIRED_BEFORE(trigdata->tg_event)) - Tcl_DStringAppendElement(&tcl_cmd, "BEFORE"); - else if (TRIGGER_FIRED_AFTER(trigdata->tg_event)) - Tcl_DStringAppendElement(&tcl_cmd, "AFTER"); - else - Tcl_DStringAppendElement(&tcl_cmd, "UNKNOWN"); - - /* The level part of the event for TG_level */ - if (TRIGGER_FIRED_FOR_ROW(trigdata->tg_event)) - Tcl_DStringAppendElement(&tcl_cmd, "ROW"); - else if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event)) - Tcl_DStringAppendElement(&tcl_cmd, "STATEMENT"); - else - Tcl_DStringAppendElement(&tcl_cmd, "UNKNOWN"); - - /* Build the data list for the trigtuple */ - pltcl_build_tuple_argument(trigdata->tg_trigtuple, - tupdesc, &tcl_trigtup); - - /* - * Now the command part of the event for TG_op and data for NEW and - * OLD - */ - if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event)) - { - Tcl_DStringAppendElement(&tcl_cmd, "INSERT"); - - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - Tcl_DStringAppendElement(&tcl_cmd, ""); - - rettup = trigdata->tg_trigtuple; - } - else if (TRIGGER_FIRED_BY_DELETE(trigdata->tg_event)) - { - Tcl_DStringAppendElement(&tcl_cmd, "DELETE"); - - Tcl_DStringAppendElement(&tcl_cmd, ""); - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - - rettup = trigdata->tg_trigtuple; - } - else if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event)) - { - Tcl_DStringAppendElement(&tcl_cmd, "UPDATE"); - - pltcl_build_tuple_argument(trigdata->tg_newtuple, - tupdesc, &tcl_newtup); - - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_newtup)); - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - - rettup = trigdata->tg_newtuple; - } - else - { - Tcl_DStringAppendElement(&tcl_cmd, "UNKNOWN"); - - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup)); - - rettup = trigdata->tg_trigtuple; - } - - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - Tcl_DStringFree(&tcl_trigtup); - Tcl_DStringFree(&tcl_newtup); - - /************************************************************ - * Finally append the arguments from CREATE TRIGGER - ************************************************************/ - for (i = 0; i < trigdata->tg_trigger->tgnargs; i++) - Tcl_DStringAppendElement(&tcl_cmd, trigdata->tg_trigger->tgargs[i]); - - /************************************************************ - * Call the Tcl function - ************************************************************/ - tcl_rc = Tcl_GlobalEval(interp, Tcl_DStringValue(&tcl_cmd)); - Tcl_DStringFree(&tcl_cmd); - - /************************************************************ - * Check the return code from Tcl and handle - * our special restart mechanism to get rid - * of all nested call levels on transaction - * abort. - ************************************************************/ - if (tcl_rc == TCL_ERROR || pltcl_restart_in_progress) - { - if (!pltcl_restart_in_progress) - { - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - UTF_BEGIN; - elog(ERROR, "pltcl: %s\n%s", interp->result, - UTF_U2E(Tcl_GetVar(interp, "errorInfo", - TCL_GLOBAL_ONLY))); - UTF_END; - } - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - switch (tcl_rc) - { - case TCL_OK: - break; - - default: - elog(ERROR, "pltcl: unsupported TCL return code %d", tcl_rc); - } - - /************************************************************ - * The return value from the procedure might be one of - * the magic strings OK or SKIP or a list from array get - ************************************************************/ - if (SPI_finish() != SPI_OK_FINISH) - elog(ERROR, "pltcl: SPI_finish() failed"); - - if (strcmp(interp->result, "OK") == 0) - return rettup; - if (strcmp(interp->result, "SKIP") == 0) - return (HeapTuple) NULL; - - /************************************************************ - * Convert the result value from the Tcl interpreter - * and setup structures for SPI_modifytuple(); - ************************************************************/ - if (Tcl_SplitList(interp, interp->result, - &ret_numvals, &ret_values) != TCL_OK) - { - elog(WARNING, "pltcl: cannot split return value from trigger"); - elog(ERROR, "pltcl: %s", interp->result); - } - - if (ret_numvals % 2 != 0) - { - ckfree((char *) ret_values); - elog(ERROR, "pltcl: invalid return list from trigger - must have even # of elements"); - } - - modattrs = (int *) palloc(tupdesc->natts * sizeof(int)); - modvalues = (Datum *) palloc(tupdesc->natts * sizeof(Datum)); - for (i = 0; i < tupdesc->natts; i++) - { - modattrs[i] = i + 1; - modvalues[i] = (Datum) NULL; - } - - modnulls = palloc(tupdesc->natts + 1); - memset(modnulls, 'n', tupdesc->natts); - modnulls[tupdesc->natts] = '\0'; - - /************************************************************ - * Care for possible elog(ERROR)'s below - ************************************************************/ - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - ckfree((char *) ret_values); - pltcl_restart_in_progress = 1; - if (--pltcl_call_level == 0) - pltcl_restart_in_progress = 0; - siglongjmp(Warn_restart, 1); - } - - i = 0; - while (i < ret_numvals) - { - int attnum; - HeapTuple typeTup; - Oid typinput; - Oid typelem; - FmgrInfo finfo; - - /************************************************************ - * Ignore pseudo elements with a dot name - ************************************************************/ - if (*(ret_values[i]) == '.') - { - i += 2; - continue; - } - - /************************************************************ - * Get the attribute number - ************************************************************/ - attnum = SPI_fnumber(tupdesc, ret_values[i++]); - if (attnum == SPI_ERROR_NOATTRIBUTE) - elog(ERROR, "pltcl: invalid attribute '%s'", ret_values[--i]); - if (attnum <= 0) - elog(ERROR, "pltcl: cannot set system attribute '%s'", ret_values[--i]); - - /************************************************************ - * Lookup the attribute type in the syscache - * for the input function - ************************************************************/ - typeTup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(tupdesc->attrs[attnum - 1]->atttypid), - 0, 0, 0); - if (!HeapTupleIsValid(typeTup)) - { - elog(ERROR, "pltcl: Cache lookup for attribute '%s' type %u failed", - ret_values[--i], - tupdesc->attrs[attnum - 1]->atttypid); - } - typinput = ((Form_pg_type) GETSTRUCT(typeTup))->typinput; - typelem = ((Form_pg_type) GETSTRUCT(typeTup))->typelem; - ReleaseSysCache(typeTup); - - /************************************************************ - * Set the attribute to NOT NULL and convert the contents - ************************************************************/ - modnulls[attnum - 1] = ' '; - fmgr_info(typinput, &finfo); - UTF_BEGIN; - modvalues[attnum - 1] = - FunctionCall3(&finfo, - CStringGetDatum(UTF_U2E(ret_values[i++])), - ObjectIdGetDatum(typelem), - Int32GetDatum(tupdesc->attrs[attnum - 1]->atttypmod)); - UTF_END; - } - - rettup = SPI_modifytuple(trigdata->tg_relation, rettup, tupdesc->natts, - modattrs, modvalues, modnulls); - - pfree(modattrs); - pfree(modvalues); - pfree(modnulls); - - if (rettup == NULL) - elog(ERROR, "pltcl: SPI_modifytuple() failed - RC = %d\n", SPI_result); - - ckfree((char *) ret_values); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - return rettup; -} - - -/********************************************************************** - * compile_pltcl_function - compile (or hopefully just look up) function - **********************************************************************/ -static pltcl_proc_desc * -compile_pltcl_function(Oid fn_oid, bool is_trigger) -{ - HeapTuple procTup; - Form_pg_proc procStruct; - char internal_proname[64]; - Tcl_HashEntry *hashent; - pltcl_proc_desc *prodesc = NULL; - Tcl_Interp *interp; - int i; - int hashnew; - int tcl_rc; - - /* We'll need the pg_proc tuple in any case... */ - procTup = SearchSysCache(PROCOID, - ObjectIdGetDatum(fn_oid), - 0, 0, 0); - if (!HeapTupleIsValid(procTup)) - elog(ERROR, "pltcl: cache lookup for proc %u failed", fn_oid); - procStruct = (Form_pg_proc) GETSTRUCT(procTup); - - /************************************************************ - * Build our internal proc name from the functions Oid - ************************************************************/ - if (!is_trigger) - sprintf(internal_proname, "__PLTcl_proc_%u", fn_oid); - else - sprintf(internal_proname, "__PLTcl_proc_%u_trigger", fn_oid); - - /************************************************************ - * Lookup the internal proc name in the hashtable - ************************************************************/ - hashent = Tcl_FindHashEntry(pltcl_proc_hash, internal_proname); - - /************************************************************ - * If it's present, must check whether it's still up to date. - * This is needed because CREATE OR REPLACE FUNCTION can modify the - * function's pg_proc entry without changing its OID. - ************************************************************/ - if (hashent != NULL) - { - bool uptodate; - - prodesc = (pltcl_proc_desc *) Tcl_GetHashValue(hashent); - - uptodate = (prodesc->fn_xmin == HeapTupleHeaderGetXmin(procTup->t_data) && - prodesc->fn_cmin == HeapTupleHeaderGetCmin(procTup->t_data)); - - if (!uptodate) - { - Tcl_DeleteHashEntry(hashent); - hashent = NULL; - } - } - - /************************************************************ - * If we haven't found it in the hashtable, we analyze - * the functions arguments and returntype and store - * the in-/out-functions in the prodesc block and create - * a new hashtable entry for it. - * - * Then we load the procedure into the Tcl interpreter. - ************************************************************/ - if (hashent == NULL) - { - HeapTuple langTup; - HeapTuple typeTup; - Form_pg_language langStruct; - Form_pg_type typeStruct; - Tcl_DString proc_internal_def; - Tcl_DString proc_internal_body; - char proc_internal_args[4096]; - char *proc_source; - char buf[512]; - - /************************************************************ - * Allocate a new procedure description block - ************************************************************/ - prodesc = (pltcl_proc_desc *) malloc(sizeof(pltcl_proc_desc)); - if (prodesc == NULL) - elog(ERROR, "pltcl: out of memory"); - MemSet(prodesc, 0, sizeof(pltcl_proc_desc)); - prodesc->proname = strdup(internal_proname); - prodesc->fn_xmin = HeapTupleHeaderGetXmin(procTup->t_data); - prodesc->fn_cmin = HeapTupleHeaderGetCmin(procTup->t_data); - - /************************************************************ - * Lookup the pg_language tuple by Oid - ************************************************************/ - langTup = SearchSysCache(LANGOID, - ObjectIdGetDatum(procStruct->prolang), - 0, 0, 0); - if (!HeapTupleIsValid(langTup)) - { - free(prodesc->proname); - free(prodesc); - elog(ERROR, "pltcl: cache lookup for language %u failed", - procStruct->prolang); - } - langStruct = (Form_pg_language) GETSTRUCT(langTup); - prodesc->lanpltrusted = langStruct->lanpltrusted; - ReleaseSysCache(langTup); - - if (prodesc->lanpltrusted) - interp = pltcl_safe_interp; - else - interp = pltcl_norm_interp; - - /************************************************************ - * Get the required information for input conversion of the - * return value. - ************************************************************/ - if (!is_trigger) - { - typeTup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(procStruct->prorettype), - 0, 0, 0); - if (!HeapTupleIsValid(typeTup)) - { - free(prodesc->proname); - free(prodesc); - if (!OidIsValid(procStruct->prorettype)) - elog(ERROR, "pltcl functions cannot return type \"opaque\"" - "\n\texcept when used as triggers"); - else - elog(ERROR, "pltcl: cache lookup for return type %u failed", - procStruct->prorettype); - } - typeStruct = (Form_pg_type) GETSTRUCT(typeTup); - - if (typeStruct->typrelid != InvalidOid) - { - free(prodesc->proname); - free(prodesc); - elog(ERROR, "pltcl: return types of tuples not supported yet"); - } - - perm_fmgr_info(typeStruct->typinput, &(prodesc->result_in_func)); - prodesc->result_in_elem = typeStruct->typelem; - - ReleaseSysCache(typeTup); - } - - /************************************************************ - * Get the required information for output conversion - * of all procedure arguments - ************************************************************/ - if (!is_trigger) - { - prodesc->nargs = procStruct->pronargs; - proc_internal_args[0] = '\0'; - for (i = 0; i < prodesc->nargs; i++) - { - typeTup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(procStruct->proargtypes[i]), - 0, 0, 0); - if (!HeapTupleIsValid(typeTup)) - { - free(prodesc->proname); - free(prodesc); - if (!OidIsValid(procStruct->proargtypes[i])) - elog(ERROR, "pltcl functions cannot take type \"opaque\""); - else - elog(ERROR, "pltcl: cache lookup for argument type %u failed", - procStruct->proargtypes[i]); - } - typeStruct = (Form_pg_type) GETSTRUCT(typeTup); - - if (typeStruct->typrelid != InvalidOid) - { - prodesc->arg_is_rel[i] = 1; - if (i > 0) - strcat(proc_internal_args, " "); - sprintf(buf, "__PLTcl_Tup_%d", i + 1); - strcat(proc_internal_args, buf); - ReleaseSysCache(typeTup); - continue; - } - else - prodesc->arg_is_rel[i] = 0; - - perm_fmgr_info(typeStruct->typoutput, &(prodesc->arg_out_func[i])); - prodesc->arg_out_elem[i] = typeStruct->typelem; - - if (i > 0) - strcat(proc_internal_args, " "); - sprintf(buf, "%d", i + 1); - strcat(proc_internal_args, buf); - - ReleaseSysCache(typeTup); - } - } - else - { - /* trigger procedure has fixed args */ - strcpy(proc_internal_args, - "TG_name TG_relid TG_relatts TG_when TG_level TG_op __PLTcl_Tup_NEW __PLTcl_Tup_OLD args"); - } - - /************************************************************ - * Create the tcl command to define the internal - * procedure - ************************************************************/ - Tcl_DStringInit(&proc_internal_def); - Tcl_DStringInit(&proc_internal_body); - Tcl_DStringAppendElement(&proc_internal_def, "proc"); - Tcl_DStringAppendElement(&proc_internal_def, internal_proname); - Tcl_DStringAppendElement(&proc_internal_def, proc_internal_args); - - /************************************************************ - * prefix procedure body with - * upvar #0 <internal_procname> GD - * and with appropriate setting of arguments - ************************************************************/ - Tcl_DStringAppend(&proc_internal_body, "upvar #0 ", -1); - Tcl_DStringAppend(&proc_internal_body, internal_proname, -1); - Tcl_DStringAppend(&proc_internal_body, " GD\n", -1); - if (!is_trigger) - { - for (i = 0; i < prodesc->nargs; i++) - { - if (!prodesc->arg_is_rel[i]) - continue; - sprintf(buf, "array set %d $__PLTcl_Tup_%d\n", i + 1, i + 1); - Tcl_DStringAppend(&proc_internal_body, buf, -1); - } - } - else - { - Tcl_DStringAppend(&proc_internal_body, - "array set NEW $__PLTcl_Tup_NEW\n", -1); - Tcl_DStringAppend(&proc_internal_body, - "array set OLD $__PLTcl_Tup_OLD\n", -1); - - Tcl_DStringAppend(&proc_internal_body, - "set i 0\n" - "set v 0\n" - "foreach v $args {\n" - " incr i\n" - " set $i $v\n" - "}\n" - "unset i v\n\n", -1); - } - - /************************************************************ - * Add user's function definition to proc body - ************************************************************/ - proc_source = DatumGetCString(DirectFunctionCall1(textout, - PointerGetDatum(&procStruct->prosrc))); - UTF_BEGIN; - Tcl_DStringAppend(&proc_internal_body, UTF_E2U(proc_source), -1); - UTF_END; - pfree(proc_source); - Tcl_DStringAppendElement(&proc_internal_def, - Tcl_DStringValue(&proc_internal_body)); - Tcl_DStringFree(&proc_internal_body); - - /************************************************************ - * Create the procedure in the interpreter - ************************************************************/ - tcl_rc = Tcl_GlobalEval(interp, - Tcl_DStringValue(&proc_internal_def)); - Tcl_DStringFree(&proc_internal_def); - if (tcl_rc != TCL_OK) - { - free(prodesc->proname); - free(prodesc); - elog(ERROR, "pltcl: cannot create internal procedure %s - %s", - internal_proname, interp->result); - } - - /************************************************************ - * Add the proc description block to the hashtable - ************************************************************/ - hashent = Tcl_CreateHashEntry(pltcl_proc_hash, - prodesc->proname, &hashnew); - Tcl_SetHashValue(hashent, (ClientData) prodesc); - } - - ReleaseSysCache(procTup); - - return prodesc; -} - - -/********************************************************************** - * pltcl_elog() - elog() support for PLTcl - **********************************************************************/ -static int -pltcl_elog(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - int level; - sigjmp_buf save_restart; - - /************************************************************ - * Suppress messages during the restart process - ************************************************************/ - if (pltcl_restart_in_progress) - return TCL_ERROR; - - /************************************************************ - * Catch the restart longjmp and begin a controlled - * return though all interpreter levels if it happens - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - return TCL_ERROR; - } - - if (argc != 3) - { - Tcl_SetResult(interp, "syntax error - 'elog level msg'", - TCL_VOLATILE); - return TCL_ERROR; - } - - if (strcmp(argv[1], "DEBUG") == 0) - level = DEBUG1; - else if (strcmp(argv[1], "LOG") == 0) - level = LOG; - else if (strcmp(argv[1], "INFO") == 0) - level = INFO; - else if (strcmp(argv[1], "NOTICE") == 0) - level = NOTICE; - else if (strcmp(argv[1], "WARNING") == 0) - level = ERROR; - else if (strcmp(argv[1], "ERROR") == 0) - level = ERROR; - else if (strcmp(argv[1], "FATAL") == 0) - level = FATAL; - else - { - Tcl_AppendResult(interp, "Unknown elog level '", argv[1], - "'", NULL); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_ERROR; - } - - /************************************************************ - * Call elog(), restore the original restart address - * and return to the caller (if not catched) - ************************************************************/ - UTF_BEGIN; - elog(level, UTF_U2E(argv[2])); - UTF_END; - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_quote() - quote literal strings that are to - * be used in SPI_exec query strings - **********************************************************************/ -static int -pltcl_quote(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - char *tmp; - char *cp1; - char *cp2; - - /************************************************************ - * Check call syntax - ************************************************************/ - if (argc != 2) - { - Tcl_SetResult(interp, "syntax error - 'quote string'", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Allocate space for the maximum the string can - * grow to and initialize pointers - ************************************************************/ - tmp = palloc(strlen(argv[1]) * 2 + 1); - cp1 = argv[1]; - cp2 = tmp; - - /************************************************************ - * Walk through string and double every quote and backslash - ************************************************************/ - while (*cp1) - { - if (*cp1 == '\'') - *cp2++ = '\''; - else - { - if (*cp1 == '\\') - *cp2++ = '\\'; - } - *cp2++ = *cp1++; - } - - /************************************************************ - * Terminate the string and set it as result - ************************************************************/ - *cp2 = '\0'; - Tcl_SetResult(interp, tmp, TCL_VOLATILE); - pfree(tmp); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_argisnull() - determine if a specific argument is NULL - **********************************************************************/ -static int -pltcl_argisnull(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - int argno; - FunctionCallInfo fcinfo = pltcl_current_fcinfo; - - /************************************************************ - * Check call syntax - ************************************************************/ - if (argc != 2) - { - Tcl_SetResult(interp, "syntax error - 'argisnull argno'", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Check that we're called as a normal function - ************************************************************/ - if (fcinfo == NULL) - { - Tcl_SetResult(interp, "argisnull cannot be used in triggers", - TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Get the argument number - ************************************************************/ - if (Tcl_GetInt(interp, argv[1], &argno) != TCL_OK) - return TCL_ERROR; - - /************************************************************ - * Check that the argno is valid - ************************************************************/ - argno--; - if (argno < 0 || argno >= fcinfo->nargs) - { - Tcl_SetResult(interp, "argno out of range", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Get the requested NULL state - ************************************************************/ - if (PG_ARGISNULL(argno)) - Tcl_SetResult(interp, "1", TCL_VOLATILE); - else - Tcl_SetResult(interp, "0", TCL_VOLATILE); - - return TCL_OK; -} - - -/********************************************************************** - * pltcl_returnnull() - Cause a NULL return from a function - **********************************************************************/ -static int -pltcl_returnnull(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - FunctionCallInfo fcinfo = pltcl_current_fcinfo; - - /************************************************************ - * Check call syntax - ************************************************************/ - if (argc != 1) - { - Tcl_SetResult(interp, "syntax error - 'return_null'", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Check that we're called as a normal function - ************************************************************/ - if (fcinfo == NULL) - { - Tcl_SetResult(interp, "return_null cannot be used in triggers", - TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Set the NULL return flag and cause Tcl to return from the - * procedure. - ************************************************************/ - fcinfo->isnull = true; - - return TCL_RETURN; -} - - -/********************************************************************** - * pltcl_SPI_exec() - The builtin SPI_exec command - * for the Tcl interpreter - **********************************************************************/ -static int -pltcl_SPI_exec(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - int spi_rc; - char buf[64]; - int count = 0; - char *volatile arrayname = NULL; - volatile int query_idx; - int i; - int loop_rc; - int ntuples; - HeapTuple *volatile tuples; - volatile TupleDesc tupdesc = NULL; - sigjmp_buf save_restart; - - char *usage = "syntax error - 'SPI_exec " - "?-count n? " - "?-array name? query ?loop body?"; - - /************************************************************ - * Don't do anything if we are already in restart mode - ************************************************************/ - if (pltcl_restart_in_progress) - return TCL_ERROR; - - /************************************************************ - * Check the call syntax and get the count option - ************************************************************/ - if (argc < 2) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - - i = 1; - while (i < argc) - { - if (strcmp(argv[i], "-array") == 0) - { - if (++i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - arrayname = argv[i++]; - continue; - } - - if (strcmp(argv[i], "-count") == 0) - { - if (++i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - if (Tcl_GetInt(interp, argv[i++], &count) != TCL_OK) - return TCL_ERROR; - continue; - } - - break; - } - - query_idx = i; - if (query_idx >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Prepare to start a controlled return through all - * interpreter levels on transaction abort - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - Tcl_SetResult(interp, "Transaction abort", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Execute the query and handle return codes - ************************************************************/ - UTF_BEGIN; - spi_rc = SPI_exec(UTF_U2E(argv[query_idx]), count); - UTF_END; - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - switch (spi_rc) - { - case SPI_OK_UTILITY: - Tcl_SetResult(interp, "0", TCL_VOLATILE); - return TCL_OK; - - case SPI_OK_SELINTO: - case SPI_OK_INSERT: - case SPI_OK_DELETE: - case SPI_OK_UPDATE: - sprintf(buf, "%d", SPI_processed); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; - - case SPI_OK_SELECT: - break; - - case SPI_ERROR_ARGUMENT: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_ARGUMENT", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_UNCONNECTED: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_UNCONNECTED", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_COPY: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_COPY", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_CURSOR: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_CURSOR", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_TRANSACTION: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_TRANSACTION", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_OPUNKNOWN: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN", - TCL_VOLATILE); - return TCL_ERROR; - - default: - sprintf(buf, "%d", spi_rc); - Tcl_AppendResult(interp, "pltcl: SPI_exec() failed - ", - "unknown RC ", buf, NULL); - return TCL_ERROR; - } - - /************************************************************ - * Only SELECT queries fall through to here - remember the - * tuples we got - ************************************************************/ - - ntuples = SPI_processed; - if (ntuples > 0) - { - tuples = SPI_tuptable->vals; - tupdesc = SPI_tuptable->tupdesc; - } - - /************************************************************ - * Again prepare for elog(ERROR) - ************************************************************/ - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - Tcl_SetResult(interp, "Transaction abort", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * If there is no loop body given, just set the variables - * from the first tuple (if any) and return the number of - * tuples selected - ************************************************************/ - if (argc == query_idx + 1) - { - if (ntuples > 0) - pltcl_set_tuple_values(interp, arrayname, 0, tuples[0], tupdesc); - sprintf(buf, "%d", ntuples); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_OK; - } - - /************************************************************ - * There is a loop body - process all tuples and evaluate - * the body on each - ************************************************************/ - query_idx++; - for (i = 0; i < ntuples; i++) - { - pltcl_set_tuple_values(interp, arrayname, i, tuples[i], tupdesc); - - loop_rc = Tcl_Eval(interp, argv[query_idx]); - - if (loop_rc == TCL_OK) - continue; - if (loop_rc == TCL_CONTINUE) - continue; - if (loop_rc == TCL_RETURN) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_RETURN; - } - if (loop_rc == TCL_BREAK) - break; - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_ERROR; - } - - /************************************************************ - * Finally return the number of tuples - ************************************************************/ - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - sprintf(buf, "%d", ntuples); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_SPI_prepare() - Builtin support for prepared plans - * The Tcl command SPI_prepare - * allways saves the plan using - * SPI_saveplan and returns a key for - * access. There is no chance to prepare - * and not save the plan currently. - **********************************************************************/ -static int -pltcl_SPI_prepare(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - int nargs; - char **args; - pltcl_query_desc *qdesc; - void *plan; - int i; - HeapTuple typeTup; - Tcl_HashEntry *hashent; - int hashnew; - sigjmp_buf save_restart; - Tcl_HashTable *query_hash; - - /************************************************************ - * Don't do anything if we are already in restart mode - ************************************************************/ - if (pltcl_restart_in_progress) - return TCL_ERROR; - - /************************************************************ - * Check the call syntax - ************************************************************/ - if (argc != 3) - { - Tcl_SetResult(interp, "syntax error - 'SPI_prepare query argtypes'", - TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Split the argument type list - ************************************************************/ - if (Tcl_SplitList(interp, argv[2], &nargs, &args) != TCL_OK) - return TCL_ERROR; - - /************************************************************ - * Allocate the new querydesc structure - ************************************************************/ - qdesc = (pltcl_query_desc *) malloc(sizeof(pltcl_query_desc)); - sprintf(qdesc->qname, "%lx", (long) qdesc); - qdesc->nargs = nargs; - qdesc->argtypes = (Oid *) malloc(nargs * sizeof(Oid)); - qdesc->arginfuncs = (FmgrInfo *) malloc(nargs * sizeof(FmgrInfo)); - qdesc->argtypelems = (Oid *) malloc(nargs * sizeof(Oid)); - - /************************************************************ - * Prepare to start a controlled return through all - * interpreter levels on transaction abort - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - free(qdesc->argtypes); - free(qdesc->arginfuncs); - free(qdesc->argtypelems); - free(qdesc); - ckfree((char *) args); - return TCL_ERROR; - } - - /************************************************************ - * Lookup the argument types by name in the system cache - * and remember the required information for input conversion - ************************************************************/ - for (i = 0; i < nargs; i++) - { - /* XXX should extend this to allow qualified type names */ - typeTup = typenameType(makeTypeName(args[i])); - qdesc->argtypes[i] = typeTup->t_data->t_oid; - perm_fmgr_info(((Form_pg_type) GETSTRUCT(typeTup))->typinput, - &(qdesc->arginfuncs[i])); - qdesc->argtypelems[i] = ((Form_pg_type) GETSTRUCT(typeTup))->typelem; - ReleaseSysCache(typeTup); - } - - /************************************************************ - * Prepare the plan and check for errors - ************************************************************/ - UTF_BEGIN; - plan = SPI_prepare(UTF_U2E(argv[1]), nargs, qdesc->argtypes); - UTF_END; - - if (plan == NULL) - { - char buf[128]; - char *reason; - - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - switch (SPI_result) - { - case SPI_ERROR_ARGUMENT: - reason = "SPI_ERROR_ARGUMENT"; - break; - - case SPI_ERROR_UNCONNECTED: - reason = "SPI_ERROR_UNCONNECTED"; - break; - - case SPI_ERROR_COPY: - reason = "SPI_ERROR_COPY"; - break; - - case SPI_ERROR_CURSOR: - reason = "SPI_ERROR_CURSOR"; - break; - - case SPI_ERROR_TRANSACTION: - reason = "SPI_ERROR_TRANSACTION"; - break; - - case SPI_ERROR_OPUNKNOWN: - reason = "SPI_ERROR_OPUNKNOWN"; - break; - - default: - sprintf(buf, "unknown RC %d", SPI_result); - reason = buf; - break; - - } - - elog(ERROR, "pltcl: SPI_prepare() failed - %s", reason); - } - - /************************************************************ - * Save the plan - ************************************************************/ - qdesc->plan = SPI_saveplan(plan); - if (qdesc->plan == NULL) - { - char buf[128]; - char *reason; - - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - switch (SPI_result) - { - case SPI_ERROR_ARGUMENT: - reason = "SPI_ERROR_ARGUMENT"; - break; - - case SPI_ERROR_UNCONNECTED: - reason = "SPI_ERROR_UNCONNECTED"; - break; - - default: - sprintf(buf, "unknown RC %d", SPI_result); - reason = buf; - break; - - } - - elog(ERROR, "pltcl: SPI_saveplan() failed - %s", reason); - } - - /************************************************************ - * Insert a hashtable entry for the plan and return - * the key to the caller - ************************************************************/ - if (interp == pltcl_norm_interp) - query_hash = pltcl_norm_query_hash; - else - query_hash = pltcl_safe_query_hash; - - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - hashent = Tcl_CreateHashEntry(query_hash, qdesc->qname, &hashnew); - Tcl_SetHashValue(hashent, (ClientData) qdesc); - - Tcl_SetResult(interp, qdesc->qname, TCL_VOLATILE); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_SPI_execp() - Execute a prepared plan - **********************************************************************/ -static int -pltcl_SPI_execp(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - int spi_rc; - char buf[64]; - volatile int i; - int j; - int loop_body; - Tcl_HashEntry *hashent; - pltcl_query_desc *qdesc; - Datum *volatile argvalues = NULL; - char *volatile nulls = NULL; - char *volatile arrayname = NULL; - int count = 0; - int callnargs; - static char **callargs = NULL; - int loop_rc; - int ntuples; - HeapTuple *volatile tuples = NULL; - volatile TupleDesc tupdesc = NULL; - sigjmp_buf save_restart; - Tcl_HashTable *query_hash; - - char *usage = "syntax error - 'SPI_execp " - "?-nulls string? ?-count n? " - "?-array name? query ?args? ?loop body?"; - - /************************************************************ - * Tidy up from an earlier abort - ************************************************************/ - if (callargs != NULL) - { - ckfree((char *) callargs); - callargs = NULL; - } - - /************************************************************ - * Don't do anything if we are already in restart mode - ************************************************************/ - if (pltcl_restart_in_progress) - return TCL_ERROR; - - /************************************************************ - * Get the options and check syntax - ************************************************************/ - i = 1; - while (i < argc) - { - if (strcmp(argv[i], "-array") == 0) - { - if (++i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - arrayname = argv[i++]; - continue; - } - if (strcmp(argv[i], "-nulls") == 0) - { - if (++i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - nulls = argv[i++]; - continue; - } - if (strcmp(argv[i], "-count") == 0) - { - if (++i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - if (Tcl_GetInt(interp, argv[i++], &count) != TCL_OK) - return TCL_ERROR; - continue; - } - - break; - } - - /************************************************************ - * Check minimum call arguments - ************************************************************/ - if (i >= argc) - { - Tcl_SetResult(interp, usage, TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Get the prepared plan descriptor by its key - ************************************************************/ - if (interp == pltcl_norm_interp) - query_hash = pltcl_norm_query_hash; - else - query_hash = pltcl_safe_query_hash; - - hashent = Tcl_FindHashEntry(query_hash, argv[i++]); - if (hashent == NULL) - { - Tcl_AppendResult(interp, "invalid queryid '", argv[--i], "'", NULL); - return TCL_ERROR; - } - qdesc = (pltcl_query_desc *) Tcl_GetHashValue(hashent); - - /************************************************************ - * If a nulls string is given, check for correct length - ************************************************************/ - if (nulls != NULL) - { - if (strlen(nulls) != qdesc->nargs) - { - Tcl_SetResult(interp, - "length of nulls string doesn't match # of arguments", - TCL_VOLATILE); - return TCL_ERROR; - } - } - - /************************************************************ - * If there was a argtype list on preparation, we need - * an argument value list now - ************************************************************/ - if (qdesc->nargs > 0) - { - if (i >= argc) - { - Tcl_SetResult(interp, "missing argument list", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Split the argument values - ************************************************************/ - if (Tcl_SplitList(interp, argv[i++], &callnargs, &callargs) != TCL_OK) - return TCL_ERROR; - - /************************************************************ - * Check that the # of arguments matches - ************************************************************/ - if (callnargs != qdesc->nargs) - { - Tcl_SetResult(interp, - "argument list length doesn't match # of arguments for query", - TCL_VOLATILE); - if (callargs != NULL) - { - ckfree((char *) callargs); - callargs = NULL; - } - return TCL_ERROR; - } - - /************************************************************ - * Prepare to start a controlled return through all - * interpreter levels on transaction abort during the - * parse of the arguments - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - ckfree((char *) callargs); - callargs = NULL; - pltcl_restart_in_progress = 1; - Tcl_SetResult(interp, "Transaction abort", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Setup the value array for the SPI_execp() using - * the type specific input functions - ************************************************************/ - argvalues = (Datum *) palloc(callnargs * sizeof(Datum)); - - for (j = 0; j < callnargs; j++) - { - if (nulls && nulls[j] == 'n') - { - /* don't try to convert the input for a null */ - argvalues[j] = (Datum) 0; - } - else - { - UTF_BEGIN; - argvalues[j] = - FunctionCall3(&qdesc->arginfuncs[j], - CStringGetDatum(UTF_U2E(callargs[j])), - ObjectIdGetDatum(qdesc->argtypelems[j]), - Int32GetDatum(-1)); - UTF_END; - } - } - - /************************************************************ - * Free the splitted argument value list - ************************************************************/ - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - ckfree((char *) callargs); - callargs = NULL; - } - else - callnargs = 0; - - /************************************************************ - * Remember the index of the last processed call - * argument - a loop body for SELECT might follow - ************************************************************/ - loop_body = i; - - /************************************************************ - * Prepare to start a controlled return through all - * interpreter levels on transaction abort - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - Tcl_SetResult(interp, "Transaction abort", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * Execute the plan - ************************************************************/ - spi_rc = SPI_execp(qdesc->plan, argvalues, nulls, count); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - - /************************************************************ - * Check the return code from SPI_execp() - ************************************************************/ - switch (spi_rc) - { - case SPI_OK_UTILITY: - Tcl_SetResult(interp, "0", TCL_VOLATILE); - return TCL_OK; - - case SPI_OK_SELINTO: - case SPI_OK_INSERT: - case SPI_OK_DELETE: - case SPI_OK_UPDATE: - sprintf(buf, "%d", SPI_processed); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; - - case SPI_OK_SELECT: - break; - - case SPI_ERROR_ARGUMENT: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_ARGUMENT", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_UNCONNECTED: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_UNCONNECTED", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_COPY: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_COPY", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_CURSOR: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_CURSOR", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_TRANSACTION: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_TRANSACTION", - TCL_VOLATILE); - return TCL_ERROR; - - case SPI_ERROR_OPUNKNOWN: - Tcl_SetResult(interp, - "pltcl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN", - TCL_VOLATILE); - return TCL_ERROR; - - default: - sprintf(buf, "%d", spi_rc); - Tcl_AppendResult(interp, "pltcl: SPI_exec() failed - ", - "unknown RC ", buf, NULL); - return TCL_ERROR; - } - - /************************************************************ - * Only SELECT queries fall through to here - remember the - * tuples we got - ************************************************************/ - - ntuples = SPI_processed; - if (ntuples > 0) - { - tuples = SPI_tuptable->vals; - tupdesc = SPI_tuptable->tupdesc; - } - - /************************************************************ - * Prepare to start a controlled return through all - * interpreter levels on transaction abort during - * the ouput conversions of the results - ************************************************************/ - memcpy(&save_restart, &Warn_restart, sizeof(save_restart)); - if (sigsetjmp(Warn_restart, 1) != 0) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - pltcl_restart_in_progress = 1; - Tcl_SetResult(interp, "Transaction abort", TCL_VOLATILE); - return TCL_ERROR; - } - - /************************************************************ - * If there is no loop body given, just set the variables - * from the first tuple (if any) and return the number of - * tuples selected - ************************************************************/ - if (loop_body >= argc) - { - if (ntuples > 0) - pltcl_set_tuple_values(interp, arrayname, 0, tuples[0], tupdesc); - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - sprintf(buf, "%d", ntuples); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; - } - - /************************************************************ - * There is a loop body - process all tuples and evaluate - * the body on each - ************************************************************/ - for (i = 0; i < ntuples; i++) - { - pltcl_set_tuple_values(interp, arrayname, i, tuples[i], tupdesc); - - loop_rc = Tcl_Eval(interp, argv[loop_body]); - - if (loop_rc == TCL_OK) - continue; - if (loop_rc == TCL_CONTINUE) - continue; - if (loop_rc == TCL_RETURN) - { - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_RETURN; - } - if (loop_rc == TCL_BREAK) - break; - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - return TCL_ERROR; - } - - /************************************************************ - * Finally return the number of tuples - ************************************************************/ - memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart)); - sprintf(buf, "%d", ntuples); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_SPI_lastoid() - return the last oid. To - * be used after insert queries - **********************************************************************/ -static int -pltcl_SPI_lastoid(ClientData cdata, Tcl_Interp *interp, - int argc, char *argv[]) -{ - char buf[64]; - - sprintf(buf, "%u", SPI_lastoid); - Tcl_SetResult(interp, buf, TCL_VOLATILE); - return TCL_OK; -} - - -/********************************************************************** - * pltcl_set_tuple_values() - Set variables for all attributes - * of a given tuple - **********************************************************************/ -static void -pltcl_set_tuple_values(Tcl_Interp *interp, char *arrayname, - int tupno, HeapTuple tuple, TupleDesc tupdesc) -{ - int i; - char *outputstr; - char buf[64]; - Datum attr; - bool isnull; - - char *attname; - HeapTuple typeTup; - Oid typoutput; - Oid typelem; - - char **arrptr; - char **nameptr; - char *nullname = NULL; - - /************************************************************ - * Prepare pointers for Tcl_SetVar2() below and in array - * mode set the .tupno element - ************************************************************/ - if (arrayname == NULL) - { - arrptr = &attname; - nameptr = &nullname; - } - else - { - arrptr = &arrayname; - nameptr = &attname; - sprintf(buf, "%d", tupno); - Tcl_SetVar2(interp, arrayname, ".tupno", buf, 0); - } - - for (i = 0; i < tupdesc->natts; i++) - { - /************************************************************ - * Get the attribute name - ************************************************************/ - attname = NameStr(tupdesc->attrs[i]->attname); - - /************************************************************ - * Get the attributes value - ************************************************************/ - attr = heap_getattr(tuple, i + 1, tupdesc, &isnull); - - /************************************************************ - * Lookup the attribute type in the syscache - * for the output function - ************************************************************/ - typeTup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(tupdesc->attrs[i]->atttypid), - 0, 0, 0); - if (!HeapTupleIsValid(typeTup)) - { - elog(ERROR, "pltcl: Cache lookup for attribute '%s' type %u failed", - attname, tupdesc->attrs[i]->atttypid); - } - - typoutput = ((Form_pg_type) GETSTRUCT(typeTup))->typoutput; - typelem = ((Form_pg_type) GETSTRUCT(typeTup))->typelem; - ReleaseSysCache(typeTup); - - /************************************************************ - * If there is a value, set the variable - * If not, unset it - * - * Hmmm - Null attributes will cause functions to - * crash if they don't expect them - need something - * smarter here. - ************************************************************/ - if (!isnull && OidIsValid(typoutput)) - { - outputstr = DatumGetCString(OidFunctionCall3(typoutput, - attr, - ObjectIdGetDatum(typelem), - Int32GetDatum(tupdesc->attrs[i]->atttypmod))); - UTF_BEGIN; - Tcl_SetVar2(interp, *arrptr, *nameptr, UTF_E2U(outputstr), 0); - UTF_END; - pfree(outputstr); - } - else - Tcl_UnsetVar2(interp, *arrptr, *nameptr, 0); - } -} - - -/********************************************************************** - * pltcl_build_tuple_argument() - Build a string usable for 'array set' - * from all attributes of a given tuple - **********************************************************************/ -static void -pltcl_build_tuple_argument(HeapTuple tuple, TupleDesc tupdesc, - Tcl_DString *retval) -{ - int i; - char *outputstr; - Datum attr; - bool isnull; - - char *attname; - HeapTuple typeTup; - Oid typoutput; - Oid typelem; - - for (i = 0; i < tupdesc->natts; i++) - { - /************************************************************ - * Get the attribute name - ************************************************************/ - attname = NameStr(tupdesc->attrs[i]->attname); - - /************************************************************ - * Get the attributes value - ************************************************************/ - attr = heap_getattr(tuple, i + 1, tupdesc, &isnull); - - /************************************************************ - * Lookup the attribute type in the syscache - * for the output function - ************************************************************/ - typeTup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(tupdesc->attrs[i]->atttypid), - 0, 0, 0); - if (!HeapTupleIsValid(typeTup)) - { - elog(ERROR, "pltcl: Cache lookup for attribute '%s' type %u failed", - attname, tupdesc->attrs[i]->atttypid); - } - - typoutput = ((Form_pg_type) GETSTRUCT(typeTup))->typoutput; - typelem = ((Form_pg_type) GETSTRUCT(typeTup))->typelem; - ReleaseSysCache(typeTup); - - /************************************************************ - * If there is a value, append the attribute name and the - * value to the list - * - * Hmmm - Null attributes will cause functions to - * crash if they don't expect them - need something - * smarter here. - ************************************************************/ - if (!isnull && OidIsValid(typoutput)) - { - outputstr = DatumGetCString(OidFunctionCall3(typoutput, - attr, - ObjectIdGetDatum(typelem), - Int32GetDatum(tupdesc->attrs[i]->atttypmod))); - Tcl_DStringAppendElement(retval, attname); - UTF_BEGIN; - Tcl_DStringAppendElement(retval, UTF_E2U(outputstr)); - UTF_END; - pfree(outputstr); - } - } -} |