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author | CVS to git conversion script <webmaster@postgresql.org> | 2002-06-20 20:29:55 +0000 |
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committer | CVS to git conversion script <webmaster@postgresql.org> | 2002-06-20 20:29:55 +0000 |
commit | 05dedace84ef8c93fea5309c3ac55f889011429b (patch) | |
tree | 4c7f513afbbc03060039a165d1770e11be711773 /contrib/intarray/_int.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
doc/src/sgml/ref/pg_ctl-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
src/test/regress/sql/sanity_check.sql
src/test/regress/sql/select.sql
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src/test/regress/sql/select_into.sql
src/test/regress/sql/select_views.sql
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Diffstat (limited to 'contrib/intarray/_int.c')
-rw-r--r-- | contrib/intarray/_int.c | 2219 |
1 files changed, 0 insertions, 2219 deletions
diff --git a/contrib/intarray/_int.c b/contrib/intarray/_int.c deleted file mode 100644 index d956543af5f..00000000000 --- a/contrib/intarray/_int.c +++ /dev/null @@ -1,2219 +0,0 @@ -/****************************************************************************** - This file contains routines that can be bound to a Postgres backend and - called by the backend in the process of processing queries. The calling - format for these routines is dictated by Postgres architecture. -******************************************************************************/ - -/* -#define BS_DEBUG -#define GIST_DEBUG -#define GIST_QUERY_DEBUG -*/ - -#include "postgres.h" - -#include <float.h> - -#include "access/gist.h" -#include "access/itup.h" -#include "access/rtree.h" -#include "utils/elog.h" -#include "utils/palloc.h" -#include "utils/array.h" -#include "utils/builtins.h" -#include "storage/bufpage.h" - -/* number ranges for compression */ -#define MAXNUMRANGE 100 - -#define max(a,b) ((a) > (b) ? (a) : (b)) -#define min(a,b) ((a) <= (b) ? (a) : (b)) -#define abs(a) ((a) < (0) ? -(a) : (a)) - -/* dimension of array */ -#define NDIM 1 - -/* - * flags for gist__int_ops, use ArrayType->flags - * which is unused (see array.h) - */ -#define LEAFKEY (1<<31) -#define ISLEAFKEY(x) ( ((ArrayType*)(x))->flags & LEAFKEY ) - -/* useful macros for accessing int4 arrays */ -#define ARRPTR(x) ( (int4 *) ARR_DATA_PTR(x) ) -#define ARRNELEMS(x) ArrayGetNItems( ARR_NDIM(x), ARR_DIMS(x)) - -#define ARRISVOID(x) ( (x) ? ( ( ARR_NDIM(x) == NDIM ) ? ( ( ARRNELEMS( x ) ) ? 0 : 1 ) : ( ( ARR_NDIM(x) ) ? (elog(ERROR,"Array is not one-dimensional: %d dimensions",ARRNELEMS( x )),1) : 0 ) ) : 0 ) - -#define SORT(x) \ - do { \ - if ( ARRNELEMS( x ) > 1 ) \ - isort( ARRPTR( x ), ARRNELEMS( x ) ); \ - } while(0) - -#define PREPAREARR(x) \ - do { \ - if ( ARRNELEMS( x ) > 1 ) \ - if ( isort( ARRPTR( x ), ARRNELEMS( x ) ) ) \ - x = _int_unique( x ); \ - } while(0) - -/* "wish" function */ -#define WISH_F(a,b,c) (double)( -(double)(((a)-(b))*((a)-(b))*((a)-(b)))*(c) ) - - -/* bigint defines */ -#define BITBYTE 8 -#define SIGLENINT 64 /* >122 => key will toast, so very slow!!! */ -#define SIGLEN ( sizeof(int)*SIGLENINT ) -#define SIGLENBIT (SIGLEN*BITBYTE) - -typedef char BITVEC[SIGLEN]; -typedef char *BITVECP; - -#define SIGPTR(x) ( (BITVECP) ARR_DATA_PTR(x) ) - - -#define LOOPBYTE(a) \ - for(i=0;i<SIGLEN;i++) {\ - a;\ - } - -#define LOOPBIT(a) \ - for(i=0;i<SIGLENBIT;i++) {\ - a;\ - } - -/* beware of multiple evaluation of arguments to these macros! */ -#define GETBYTE(x,i) ( *( (BITVECP)(x) + (int)( (i) / BITBYTE ) ) ) -#define GETBITBYTE(x,i) ( (*((char*)(x)) >> (i)) & 0x01 ) -#define CLRBIT(x,i) GETBYTE(x,i) &= ~( 0x01 << ( (i) % BITBYTE ) ) -#define SETBIT(x,i) GETBYTE(x,i) |= ( 0x01 << ( (i) % BITBYTE ) ) -#define GETBIT(x,i) ( (GETBYTE(x,i) >> ( (i) % BITBYTE )) & 0x01 ) -#define HASHVAL(val) (((unsigned int)(val)) % SIGLENBIT) -#define HASH(sign, val) SETBIT((sign), HASHVAL(val)) - - -#ifdef GIST_DEBUG -static void -printarr(ArrayType *a, int num) -{ - char bbb[16384]; - char *cur; - int l; - int *d; - - d = ARRPTR(a); - *bbb = '\0'; - cur = bbb; - for (l = 0; l < min(num, ARRNELEMS(a)); l++) - { - sprintf(cur, "%d ", d[l]); - cur = strchr(cur, '\0'); - } - elog(DEBUG3, "\t\t%s", bbb); -} -static void -printbitvec(BITVEC bv) -{ - int i; - char str[SIGLENBIT + 1]; - - str[SIGLENBIT] = '\0'; - LOOPBIT(str[i] = (GETBIT(bv, i)) ? '1' : '0'); - - elog(DEBUG3, "BV: %s", str); -} - -#endif - -/* -** types for functions -*/ -typedef ArrayType *(*formarray) (ArrayType *, ArrayType *); -typedef void (*formfloat) (ArrayType *, float *); - -/* -** usefull function -*/ -static bool isort(int4 *a, const int len); -static ArrayType *new_intArrayType(int num); -static ArrayType *copy_intArrayType(ArrayType *a); -static ArrayType *resize_intArrayType(ArrayType *a, int num); -static int internal_size(int *a, int len); -static ArrayType *_int_unique(ArrayType *a); - -/* common GiST function*/ -static GIST_SPLITVEC *_int_common_picksplit(bytea *entryvec, - GIST_SPLITVEC *v, - formarray unionf, - formarray interf, - formfloat sizef, - float coef); -static float *_int_common_penalty(GISTENTRY *origentry, - GISTENTRY *newentry, - float *result, - formarray unionf, - formfloat sizef); -static ArrayType *_int_common_union(bytea *entryvec, - int *sizep, - formarray unionf); - -/* -** GiST support methods -*/ -PG_FUNCTION_INFO_V1( g_int_consistent ); -PG_FUNCTION_INFO_V1( g_int_compress ); -PG_FUNCTION_INFO_V1( g_int_decompress ); -PG_FUNCTION_INFO_V1( g_int_penalty ); -PG_FUNCTION_INFO_V1( g_int_picksplit ); -PG_FUNCTION_INFO_V1( g_int_union ); -PG_FUNCTION_INFO_V1( g_int_same ); - -Datum g_int_consistent(PG_FUNCTION_ARGS); -Datum g_int_compress(PG_FUNCTION_ARGS); -Datum g_int_decompress(PG_FUNCTION_ARGS); -Datum g_int_penalty(PG_FUNCTION_ARGS); -Datum g_int_picksplit(PG_FUNCTION_ARGS); -Datum g_int_union(PG_FUNCTION_ARGS); -Datum g_int_same(PG_FUNCTION_ARGS); - - -/* -** R-tree support functions -*/ -static bool inner_int_contains(ArrayType *a, ArrayType *b); -static bool inner_int_overlap(ArrayType *a, ArrayType *b); -static ArrayType *inner_int_union(ArrayType *a, ArrayType *b); -static ArrayType *inner_int_inter(ArrayType *a, ArrayType *b); -static void rt__int_size(ArrayType *a, float *sz); - -PG_FUNCTION_INFO_V1( _int_different ); -PG_FUNCTION_INFO_V1( _int_same ); -PG_FUNCTION_INFO_V1( _int_contains ); -PG_FUNCTION_INFO_V1( _int_contained ); -PG_FUNCTION_INFO_V1( _int_overlap ); -PG_FUNCTION_INFO_V1( _int_union ); -PG_FUNCTION_INFO_V1( _int_inter ); - -Datum _int_different(PG_FUNCTION_ARGS); -Datum _int_same(PG_FUNCTION_ARGS); -Datum _int_contains(PG_FUNCTION_ARGS); -Datum _int_contained(PG_FUNCTION_ARGS); -Datum _int_overlap(PG_FUNCTION_ARGS); -Datum _int_union(PG_FUNCTION_ARGS); -Datum _int_inter(PG_FUNCTION_ARGS); - -/* -** _intbig methods -*/ -PG_FUNCTION_INFO_V1( g_intbig_consistent ); -PG_FUNCTION_INFO_V1( g_intbig_compress ); -PG_FUNCTION_INFO_V1( g_intbig_decompress ); -PG_FUNCTION_INFO_V1( g_intbig_penalty ); -PG_FUNCTION_INFO_V1( g_intbig_picksplit ); -PG_FUNCTION_INFO_V1( g_intbig_union ); -PG_FUNCTION_INFO_V1( g_intbig_same ); - -Datum g_intbig_consistent(PG_FUNCTION_ARGS); -Datum g_intbig_compress(PG_FUNCTION_ARGS); -Datum g_intbig_decompress(PG_FUNCTION_ARGS); -Datum g_intbig_penalty(PG_FUNCTION_ARGS); -Datum g_intbig_picksplit(PG_FUNCTION_ARGS); -Datum g_intbig_union(PG_FUNCTION_ARGS); -Datum g_intbig_same(PG_FUNCTION_ARGS); - -static bool _intbig_contains(ArrayType *a, ArrayType *b); -static bool _intbig_overlap(ArrayType *a, ArrayType *b); -static ArrayType *_intbig_union(ArrayType *a, ArrayType *b); - -static ArrayType * _intbig_inter(ArrayType *a, ArrayType *b); -static void rt__intbig_size(ArrayType *a, float *sz); - - - -/***************************************************************************** - * Boolean Search - *****************************************************************************/ - -#define BooleanSearchStrategy 20 - -/* - * item in polish notation with back link - * to left operand - */ -typedef struct ITEM { - int2 type; - int2 left; - int4 val; -} ITEM; - -typedef struct { - int4 len; - int4 size; - char data[1]; -} QUERYTYPE; - -#define HDRSIZEQT ( 2*sizeof(int4) ) -#define COMPUTESIZE(size) ( HDRSIZEQT + size * sizeof(ITEM) ) -#define GETQUERY(x) (ITEM*)( (char*)(x)+HDRSIZEQT ) - -PG_FUNCTION_INFO_V1(bqarr_in); -PG_FUNCTION_INFO_V1(bqarr_out); -Datum bqarr_in(PG_FUNCTION_ARGS); -Datum bqarr_out(PG_FUNCTION_ARGS); - -PG_FUNCTION_INFO_V1(boolop); -Datum boolop(PG_FUNCTION_ARGS); - -PG_FUNCTION_INFO_V1(rboolop); -Datum rboolop(PG_FUNCTION_ARGS); - -PG_FUNCTION_INFO_V1(querytree); -Datum querytree(PG_FUNCTION_ARGS); - -static bool signconsistent( QUERYTYPE *query, BITVEC sign, bool leaf ); -static bool execconsistent( QUERYTYPE *query, ArrayType *array, bool leaf ); - -/***************************************************************************** - * GiST functions - *****************************************************************************/ - -/* -** The GiST Consistent method for _intments -** Should return false if for all data items x below entry, -** the predicate x op query == FALSE, where op is the oper -** corresponding to strategy in the pg_amop table. -*/ -Datum -g_int_consistent(PG_FUNCTION_ARGS) { - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - ArrayType *query = ( ArrayType * )PG_GETARG_POINTER(1); - StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); - bool retval; - - if ( strategy == BooleanSearchStrategy ) - PG_RETURN_BOOL(execconsistent( (QUERYTYPE*)query, - (ArrayType *) DatumGetPointer(entry->key), - ISLEAFKEY( (ArrayType *) DatumGetPointer(entry->key) ) ) ); - - /* XXX are we sure it's safe to scribble on the query object here? */ - /* XXX what about toasted input? */ - /* sort query for fast search, key is already sorted */ - if ( ARRISVOID( query ) ) - PG_RETURN_BOOL(false); - PREPAREARR(query); - - switch (strategy) - { - case RTOverlapStrategyNumber: - retval = inner_int_overlap((ArrayType *) DatumGetPointer(entry->key), - query); - break; - case RTSameStrategyNumber: - if ( GIST_LEAF(entry) ) - DirectFunctionCall3( - g_int_same, - entry->key, - PointerGetDatum(query), - PointerGetDatum(&retval) - ); - else - retval = inner_int_contains((ArrayType *) DatumGetPointer(entry->key), - query); - break; - case RTContainsStrategyNumber: - retval = inner_int_contains((ArrayType *) DatumGetPointer(entry->key), - query); - break; - case RTContainedByStrategyNumber: - if ( GIST_LEAF(entry) ) - retval = inner_int_contains(query, - (ArrayType *) DatumGetPointer(entry->key) ); - else - retval = inner_int_overlap((ArrayType *) DatumGetPointer(entry->key), - query); - break; - default: - retval = FALSE; - } - PG_RETURN_BOOL(retval); -} - -Datum -g_int_union(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_union( - (bytea *) PG_GETARG_POINTER(0), - (int *) PG_GETARG_POINTER(1), - inner_int_union - ) ); -} - -/* -** GiST Compress and Decompress methods -*/ -Datum -g_int_compress(PG_FUNCTION_ARGS) -{ - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - GISTENTRY *retval; - ArrayType *r; - int len; - int *dr; - int i, - min, - cand; - - if (entry->leafkey) { - r = (ArrayType *) PG_DETOAST_DATUM_COPY(entry->key); - PREPAREARR(r); - r->flags |= LEAFKEY; - retval = palloc(sizeof(GISTENTRY)); - gistentryinit(*retval, PointerGetDatum(r), - entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - - PG_RETURN_POINTER(retval); - } - - r = (ArrayType *) PG_DETOAST_DATUM(entry->key); - if ( ISLEAFKEY( r ) || ARRISVOID(r) ) { - if ( r != (ArrayType*)DatumGetPointer(entry->key) ) - pfree(r); - PG_RETURN_POINTER(entry); - } - - if ( (len=ARRNELEMS(r)) >= 2 * MAXNUMRANGE) { /* compress */ - if ( r == (ArrayType*)DatumGetPointer( entry->key) ) - r = (ArrayType *) PG_DETOAST_DATUM_COPY(entry->key); - r = resize_intArrayType(r, 2 * (len)); - - dr = ARRPTR(r); - - for (i = len - 1; i >= 0; i--) - dr[2 * i] = dr[2 * i + 1] = dr[i]; - - len *= 2; - cand = 1; - while (len > MAXNUMRANGE * 2) - { - min = 0x7fffffff; - for (i = 2; i < len; i += 2) - if (min > (dr[i] - dr[i - 1])) - { - min = (dr[i] - dr[i - 1]); - cand = i; - } - memmove((void *) &dr[cand - 1], (void *) &dr[cand + 1], (len - cand - 1) * sizeof(int)); - len -= 2; - } - r = resize_intArrayType(r, len); - retval = palloc(sizeof(GISTENTRY)); - gistentryinit(*retval, PointerGetDatum(r), - entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - PG_RETURN_POINTER(retval); - } else { - PG_RETURN_POINTER(entry); - } - - PG_RETURN_POINTER(entry); -} - -Datum -g_int_decompress(PG_FUNCTION_ARGS) -{ - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - GISTENTRY *retval; - ArrayType *r; - int *dr, - lenr; - ArrayType *in; - int lenin; - int *din; - int i, - j; - - in = (ArrayType *) PG_DETOAST_DATUM(entry->key); - - if ( ARRISVOID(in) ) { - PG_RETURN_POINTER(entry); - } - - lenin = ARRNELEMS(in); - - if (lenin < 2 * MAXNUMRANGE || ISLEAFKEY( in ) ) { /* not comressed value */ - if ( in != (ArrayType *) DatumGetPointer(entry->key)) { - retval = palloc(sizeof(GISTENTRY)); - gistentryinit(*retval, PointerGetDatum(in), - entry->rel, entry->page, entry->offset, VARSIZE(in), FALSE); - - PG_RETURN_POINTER(retval); - } - PG_RETURN_POINTER(entry); - } - - din = ARRPTR(in); - lenr = internal_size(din, lenin); - - r = new_intArrayType(lenr); - dr = ARRPTR(r); - - for (i = 0; i < lenin; i += 2) - for (j = din[i]; j <= din[i + 1]; j++) - if ((!i) || *(dr - 1) != j) - *dr++ = j; - - if (in != (ArrayType *) DatumGetPointer(entry->key)) - pfree(in); - retval = palloc(sizeof(GISTENTRY)); - gistentryinit(*retval, PointerGetDatum(r), - entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - - PG_RETURN_POINTER(retval); -} - -/* -** The GiST Penalty method for _intments -*/ -Datum -g_int_penalty(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_penalty( - (GISTENTRY *)PG_GETARG_POINTER(0), - (GISTENTRY *)PG_GETARG_POINTER(1), - (float *) PG_GETARG_POINTER(2), - inner_int_union, rt__int_size - ) ); -} - - -Datum -g_int_picksplit(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_picksplit( - (bytea *)PG_GETARG_POINTER(0), - (GIST_SPLITVEC *)PG_GETARG_POINTER(1), - inner_int_union, - inner_int_inter, - rt__int_size, - 0.01 - ) ); -} - -/* -** Equality methods -*/ - - -Datum -g_int_same(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType*)PointerGetDatum(PG_GETARG_POINTER(0)); - ArrayType *b = (ArrayType*)PointerGetDatum(PG_GETARG_POINTER(1)); - bool *result = (bool *)PG_GETARG_POINTER(2); - int4 n = ARRNELEMS(a); - int4 *da, *db; - - if ( n != ARRNELEMS(b) ) { - *result = false; - PG_RETURN_POINTER(result); - } - *result = TRUE; - da = ARRPTR(a); - db = ARRPTR(b); - while(n--) - if (*da++ != *db++) { - *result = FALSE; - break; - } - - PG_RETURN_POINTER(result); -} - -Datum -_int_contained(PG_FUNCTION_ARGS) -{ - PG_RETURN_BOOL( DatumGetBool( - DirectFunctionCall2( - _int_contains, - PointerGetDatum(PG_GETARG_POINTER(1)), - PointerGetDatum(PG_GETARG_POINTER(0)) - ) - )); -} - -Datum -_int_contains(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0))); - ArrayType *b = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1))); - bool res; - - if (ARRISVOID(a) || ARRISVOID(b)) - return FALSE; - - PREPAREARR(a); - PREPAREARR(b); - res = inner_int_contains(a, b); - pfree(a); - pfree(b); - PG_RETURN_BOOL( res ); -} - -static bool -inner_int_contains(ArrayType *a, ArrayType *b) -{ - int na, - nb; - int i, - j, - n; - int *da, - *db; - - if (ARRISVOID(a) || ARRISVOID(b)) - return FALSE; - - na = ARRNELEMS(a); - nb = ARRNELEMS(b); - da = ARRPTR(a); - db = ARRPTR(b); - -#ifdef GIST_DEBUG - elog(DEBUG3, "contains %d %d", na, nb); -#endif - - i = j = n = 0; - while (i < na && j < nb) - if (da[i] < db[j]) - i++; - else if (da[i] == db[j]) - { - n++; - i++; - j++; - } - else - j++; - - return (n == nb) ? TRUE : FALSE; -} - -/***************************************************************************** - * Operator class for R-tree indexing - *****************************************************************************/ - -Datum -_int_different(PG_FUNCTION_ARGS) -{ - PG_RETURN_BOOL( ! DatumGetBool( - DirectFunctionCall2( - _int_same, - PointerGetDatum(PG_GETARG_POINTER(0)), - PointerGetDatum(PG_GETARG_POINTER(1)) - ) - )); -} - -Datum -_int_same(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0))); - ArrayType *b = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1))); - int na, - nb; - int n; - int *da, - *db; - bool result; - bool avoid = ARRISVOID(a); - bool bvoid = ARRISVOID(b); - - if (avoid || bvoid) - return (avoid && bvoid) ? TRUE : FALSE; - - SORT(a); - SORT(b); - na = ARRNELEMS(a); - nb = ARRNELEMS(b); - da = ARRPTR(a); - db = ARRPTR(b); - - result = FALSE; - - if (na == nb) - { - result = TRUE; - for (n = 0; n < na; n++) - if (da[n] != db[n]) - { - result = FALSE; - break; - } - } - - pfree(a); - pfree(b); - - PG_RETURN_BOOL(result); -} - -/* _int_overlap -- does a overlap b? - */ -Datum -_int_overlap(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0))); - ArrayType *b = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1))); - bool result; - - if (ARRISVOID(a) || ARRISVOID(b)) - return FALSE; - - SORT(a); - SORT(b); - - result = inner_int_overlap(a, b); - - pfree(a); - pfree(b); - - PG_RETURN_BOOL( result ); -} - -static bool -inner_int_overlap(ArrayType *a, ArrayType *b) -{ - int na, - nb; - int i, - j; - int *da, - *db; - - if (ARRISVOID(a) || ARRISVOID(b)) - return FALSE; - - na = ARRNELEMS(a); - nb = ARRNELEMS(b); - da = ARRPTR(a); - db = ARRPTR(b); - -#ifdef GIST_DEBUG - elog(DEBUG3, "g_int_overlap"); -#endif - - i = j = 0; - while (i < na && j < nb) - if (da[i] < db[j]) - i++; - else if (da[i] == db[j]) - return TRUE; - else - j++; - - return FALSE; -} - -Datum -_int_union(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0))); - ArrayType *b = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1))); - ArrayType *result; - - if (!ARRISVOID(a)) - SORT(a); - if (!ARRISVOID(b)) - SORT(b); - - result = inner_int_union(a, b); - - if (a) - pfree(a); - if (b) - pfree(b); - - PG_RETURN_POINTER( result ); -} - -static ArrayType * -inner_int_union(ArrayType *a, ArrayType *b) -{ - ArrayType *r = NULL; - int na, - nb; - int *da, - *db, - *dr; - int i, - j; - - if (ARRISVOID(a) && ARRISVOID(b)) - return new_intArrayType(0); - if (ARRISVOID(a)) - r = copy_intArrayType(b); - if (ARRISVOID(b)) - r = copy_intArrayType(a); - - if (r) - dr = ARRPTR(r); - else - { - na = ARRNELEMS(a); - nb = ARRNELEMS(b); - da = ARRPTR(a); - db = ARRPTR(b); - - r = new_intArrayType(na + nb); - dr = ARRPTR(r); - - /* union */ - i = j = 0; - while (i < na && j < nb) - if (da[i] < db[j]) - *dr++ = da[i++]; - else - *dr++ = db[j++]; - - while (i < na) - *dr++ = da[i++]; - while (j < nb) - *dr++ = db[j++]; - - } - - if (ARRNELEMS(r) > 1) - r = _int_unique(r); - - return r; -} - - -Datum -_int_inter(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0))); - ArrayType *b = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(1))); - ArrayType *result; - - if (ARRISVOID(a) || ARRISVOID(b)) - PG_RETURN_POINTER(new_intArrayType(0)); - - SORT(a); - SORT(b); - - result = inner_int_inter(a, b); - - pfree(a); - pfree(b); - - PG_RETURN_POINTER( result ); -} - -static ArrayType * -inner_int_inter(ArrayType *a, ArrayType *b) -{ - ArrayType *r; - int na, - nb; - int *da, - *db, - *dr; - int i, - j; - - if (ARRISVOID(a) || ARRISVOID(b)) - return new_intArrayType(0); - - na = ARRNELEMS(a); - nb = ARRNELEMS(b); - da = ARRPTR(a); - db = ARRPTR(b); - r = new_intArrayType(min(na, nb)); - dr = ARRPTR(r); - - i = j = 0; - while (i < na && j < nb) - if (da[i] < db[j]) - i++; - else if (da[i] == db[j]) - { - if (i + j == 0 || (i + j > 0 && *(dr - 1) != db[j])) - *dr++ = db[j]; - i++; - j++; - } - else - j++; - - if ((dr - ARRPTR(r)) == 0) - { - pfree(r); - return new_intArrayType(0); - } - else - return resize_intArrayType(r, dr - ARRPTR(r)); -} - -static void -rt__int_size(ArrayType *a, float *size) -{ - *size = (float) ARRNELEMS(a); - - return; -} - - -/***************************************************************************** - * Miscellaneous operators and functions - *****************************************************************************/ - -/* len >= 2 */ -static bool -isort(int4 *a, int len) -{ - int4 tmp, - index; - int4 *cur, - *end; - bool r = FALSE; - - end = a + len; - do - { - index = 0; - cur = a + 1; - while (cur < end) - { - if (*(cur - 1) > *cur) - { - tmp = *(cur - 1); - *(cur - 1) = *cur; - *cur = tmp; - index = 1; - } - else if (!r && *(cur - 1) == *cur) - r = TRUE; - cur++; - } - } while (index); - return r; -} - -static ArrayType * -new_intArrayType(int num) -{ - ArrayType *r; - int nbytes = ARR_OVERHEAD(NDIM) + sizeof(int) * num; - - r = (ArrayType *) palloc(nbytes); - - MemSet(r, 0, nbytes); - r->size = nbytes; - r->ndim = NDIM; - r->flags &= ~LEAFKEY; - *((int *) ARR_DIMS(r)) = num; - *((int *) ARR_LBOUND(r)) = 1; - - return r; -} - -static ArrayType * -resize_intArrayType(ArrayType *a, int num) -{ - int nbytes = ARR_OVERHEAD(NDIM) + sizeof(int) * num; - - if (num == ARRNELEMS(a)) - return a; - - a = (ArrayType *) repalloc(a, nbytes); - - a->size = nbytes; - *((int *) ARR_DIMS(a)) = num; - return a; -} - -static ArrayType * -copy_intArrayType(ArrayType *a) -{ - ArrayType *r; - - r = new_intArrayType(ARRNELEMS(a)); - memmove(r, a, VARSIZE(a)); - return r; -} - -/* num for compressed key */ -static int -internal_size(int *a, int len) -{ - int i, - size = 0; - - for (i = 0; i < len; i += 2) - if (!i || a[i] != a[i - 1]) /* do not count repeated range */ - size += a[i + 1] - a[i] + 1; - - return size; -} - -/* r is sorted and size of r > 1 */ -static ArrayType * -_int_unique(ArrayType *r) -{ - int *tmp, - *dr, - *data; - int num = ARRNELEMS(r); - - data = tmp = dr = ARRPTR(r); - while (tmp - data < num) - if (*tmp != *dr) - *(++dr) = *tmp++; - else - tmp++; - return resize_intArrayType(r, dr + 1 - ARRPTR(r)); -} - -/********************************************************************* -** intbig functions -*********************************************************************/ -static void -gensign(BITVEC sign, int *a, int len) -{ - int i; - - /* we assume that the sign vector is previously zeroed */ - for (i = 0; i < len; i++) - { - HASH(sign, *a); - a++; - } -} - -static bool -_intbig_overlap(ArrayType *a, ArrayType *b) -{ - int i; - BITVECP da, - db; - - da = SIGPTR(a); - db = SIGPTR(b); - - LOOPBYTE(if (da[i] & db[i]) return TRUE); - return FALSE; -} - -static bool -_intbig_contains(ArrayType *a, ArrayType *b) -{ - int i; - BITVECP da, - db; - - da = SIGPTR(a); - db = SIGPTR(b); - - LOOPBYTE(if (db[i] & ~da[i]) return FALSE); - - return TRUE; -} - -static void -rt__intbig_size(ArrayType *a, float *sz) -{ - int i, - len = 0; - BITVECP bv = SIGPTR(a); - - LOOPBYTE( - len += - GETBITBYTE(bv,0) + - GETBITBYTE(bv,1) + - GETBITBYTE(bv,2) + - GETBITBYTE(bv,3) + - GETBITBYTE(bv,4) + - GETBITBYTE(bv,5) + - GETBITBYTE(bv,6) + - GETBITBYTE(bv,7) ; - bv = (BITVECP) ( ((char*)bv) + 1 ); - ); - - *sz = (float) len; - return; -} - -static ArrayType * -_intbig_union(ArrayType *a, ArrayType *b) -{ - ArrayType *r; - BITVECP da, - db, - dr; - int i; - - r = new_intArrayType(SIGLENINT); - - da = SIGPTR(a); - db = SIGPTR(b); - dr = SIGPTR(r); - - LOOPBYTE(dr[i] = da[i] | db[i]); - - return r; -} - -static ArrayType * -_intbig_inter(ArrayType *a, ArrayType *b) -{ - ArrayType *r; - BITVECP da, - db, - dr; - int i; - - r = new_intArrayType(SIGLENINT); - - da = SIGPTR(a); - db = SIGPTR(b); - dr = SIGPTR(r); - - LOOPBYTE(dr[i] = da[i] & db[i]); - - return r; -} - -Datum -g_intbig_same(PG_FUNCTION_ARGS) -{ - ArrayType *a = (ArrayType *)PG_GETARG_POINTER(0); - ArrayType *b = (ArrayType *)PG_GETARG_POINTER(1); - bool *result = (bool *)PG_GETARG_POINTER(2); - BITVECP da, - db; - int i; - - da = SIGPTR(a); - db = SIGPTR(b); - - LOOPBYTE( - if (da[i] != db[i]) - { - *result = FALSE; - PG_RETURN_POINTER( result ); - } - ); - - *result = TRUE; - PG_RETURN_POINTER( result ); -} - -Datum -g_intbig_compress(PG_FUNCTION_ARGS) -{ - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - GISTENTRY *retval; - ArrayType *r, - *in; - bool maycompress = true; - int i; - - if (DatumGetPointer(entry->key) != NULL) - in = (ArrayType *) PG_DETOAST_DATUM(entry->key); - else - in = NULL; - - if (!entry->leafkey) { - LOOPBYTE( - if ( ( ((char*)ARRPTR(in))[i] & 0xff ) != 0xff ) { - maycompress = false; - break; - } - ); - if ( maycompress ) { - retval = palloc(sizeof(GISTENTRY)); - r = new_intArrayType(1); - gistentryinit(*retval, PointerGetDatum(r), - entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - PG_RETURN_POINTER( retval ); - } - PG_RETURN_POINTER( entry ); - } - - retval = palloc(sizeof(GISTENTRY)); - r = new_intArrayType( SIGLENINT ); - - if (ARRISVOID(in)) - { - gistentryinit(*retval, PointerGetDatum(r), - entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - if (in != (ArrayType *) DatumGetPointer(entry->key)) - pfree(in); - PG_RETURN_POINTER (retval); - } - - gensign(SIGPTR(r), - ARRPTR(in), - ARRNELEMS(in)); - - LOOPBYTE( - if( ( ((char*)ARRPTR(in))[i] & 0xff ) != 0xff ) { - maycompress = false; - break; - } - ); - - if ( maycompress ) { - pfree(r); - r = new_intArrayType(1); - } - - gistentryinit(*retval, PointerGetDatum(r), entry->rel, entry->page, entry->offset, VARSIZE(r), FALSE); - - if ( in != (ArrayType *) DatumGetPointer(entry->key)) - pfree(in); - - PG_RETURN_POINTER (retval); -} - -Datum -g_intbig_decompress(PG_FUNCTION_ARGS) -{ - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - ArrayType *key; - - key = (ArrayType *) PG_DETOAST_DATUM(entry->key); - - if ( key != (ArrayType *) DatumGetPointer(entry->key)) - { - GISTENTRY *retval; - - retval = palloc(sizeof(GISTENTRY)); - - gistentryinit(*retval, PointerGetDatum(key), - entry->rel, entry->page, entry->offset, (key) ? VARSIZE(key) : 0, FALSE); - PG_RETURN_POINTER( retval ); - } - if ( ARRNELEMS(key) == 1 ) { - GISTENTRY *retval; - ArrayType *newkey; - - retval = palloc(sizeof(GISTENTRY)); - newkey = new_intArrayType(SIGLENINT); - MemSet( (void*)ARRPTR(newkey), 0xff, SIGLEN ); - - gistentryinit(*retval, PointerGetDatum(newkey), - entry->rel, entry->page, entry->offset, VARSIZE(newkey), FALSE); - PG_RETURN_POINTER( retval ); - } - PG_RETURN_POINTER( entry ); -} - -Datum -g_intbig_picksplit(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_picksplit( - (bytea *)PG_GETARG_POINTER(0), - (GIST_SPLITVEC *)PG_GETARG_POINTER(1), - _intbig_union, - _intbig_inter, - rt__intbig_size, - 0.1 - ) ); -} - -Datum -g_intbig_union(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_union( - (bytea *) PG_GETARG_POINTER(0), - (int *) PG_GETARG_POINTER(1), - _intbig_union - ) ); -} - -Datum -g_intbig_penalty(PG_FUNCTION_ARGS) -{ - PG_RETURN_POINTER( _int_common_penalty( - (GISTENTRY *)PG_GETARG_POINTER(0), - (GISTENTRY *)PG_GETARG_POINTER(1), - (float *) PG_GETARG_POINTER(2), - _intbig_union, rt__intbig_size - ) ); -} - -Datum -g_intbig_consistent(PG_FUNCTION_ARGS) { - GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); - ArrayType *query = ( ArrayType * )PG_GETARG_POINTER(1); - StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); - bool retval; - ArrayType *q; - - if ( strategy == BooleanSearchStrategy ) - PG_RETURN_BOOL(signconsistent( (QUERYTYPE*)query, - SIGPTR((ArrayType *) DatumGetPointer(entry->key)), - false ) ); - - /* XXX what about toasted input? */ - if (ARRISVOID(query)) - return FALSE; - - q = new_intArrayType(SIGLENINT); - gensign(SIGPTR(q), - ARRPTR(query), - ARRNELEMS(query)); - - switch (strategy) - { - case RTOverlapStrategyNumber: - retval = _intbig_overlap((ArrayType *) DatumGetPointer(entry->key), q); - break; - case RTSameStrategyNumber: - if ( GIST_LEAF(entry) ) - DirectFunctionCall3( - g_intbig_same, - entry->key, - PointerGetDatum(q), - PointerGetDatum(&retval) - ); - else - retval = _intbig_contains((ArrayType *) DatumGetPointer(entry->key), q); - break; - case RTContainsStrategyNumber: - retval = _intbig_contains((ArrayType *) DatumGetPointer(entry->key), q); - break; - case RTContainedByStrategyNumber: - retval = _intbig_overlap((ArrayType *) DatumGetPointer(entry->key), q); - break; - default: - retval = FALSE; - } - pfree(q); - PG_RETURN_BOOL(retval); -} - -/***************************************************************** -** Common GiST Method -*****************************************************************/ - -/* -** The GiST Union method for _intments -** returns the minimal set that encloses all the entries in entryvec -*/ -static ArrayType * -_int_common_union(bytea *entryvec, int *sizep, formarray unionf) -{ - int numranges, - i; - ArrayType *out = (ArrayType *) NULL; - ArrayType *tmp; - -#ifdef GIST_DEBUG - elog(DEBUG3, "_int_common_union in"); -#endif - - numranges = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY); - tmp = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[0].key); - - for (i = 1; i < numranges; i++) - { - out = (*unionf) (tmp, (ArrayType *) - DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key)); - if (i > 1 && tmp) - pfree(tmp); - tmp = out; - } - - out->flags &= ~LEAFKEY; - *sizep = VARSIZE(out); - if (*sizep == 0) - { - pfree(out); -#ifdef GIST_DEBUG - elog(DEBUG3, "_int_common_union out1"); -#endif - return NULL; - } -#ifdef GIST_DEBUG - elog(DEBUG3, "_int_common_union out"); -#endif - return (out); - -} - -/***************************************** - * The GiST Penalty method for _intments * - *****************************************/ - -static float * -_int_common_penalty(GISTENTRY *origentry, GISTENTRY *newentry, float *result, - formarray unionf, - formfloat sizef) -{ - ArrayType *ud; - float tmp1, - tmp2; - -#ifdef GIST_DEBUG - elog(DEBUG3, "penalty"); -#endif - ud = (*unionf) ((ArrayType *) DatumGetPointer(origentry->key), - (ArrayType *) DatumGetPointer(newentry->key)); - (*sizef) (ud, &tmp1); - (*sizef) ((ArrayType *) DatumGetPointer(origentry->key), &tmp2); - *result = tmp1 - tmp2; - pfree(ud); - -#ifdef GIST_DEBUG - elog(DEBUG3, "--penalty\t%g", *result); -#endif - - return (result); -} - -typedef struct { - OffsetNumber pos; - float cost; -} SPLITCOST; - -static int -comparecost( const void *a, const void *b ) { - if ( ((SPLITCOST*)a)->cost == ((SPLITCOST*)b)->cost ) - return 0; - else - return ( ((SPLITCOST*)a)->cost > ((SPLITCOST*)b)->cost ) ? 1 : -1; -} - -/* -** The GiST PickSplit method for _intments -** We use Guttman's poly time split algorithm -*/ -static GIST_SPLITVEC * -_int_common_picksplit(bytea *entryvec, - GIST_SPLITVEC *v, - formarray unionf, - formarray interf, - formfloat sizef, - float coef) -{ - OffsetNumber i, - j; - ArrayType *datum_alpha, - *datum_beta; - ArrayType *datum_l, - *datum_r; - ArrayType *union_d, - *union_dl, - *union_dr; - ArrayType *inter_d; - bool firsttime; - float size_alpha, - size_beta, - size_union, - size_inter; - float size_waste, - waste; - float size_l, - size_r; - int nbytes; - OffsetNumber seed_1 = 0, - seed_2 = 0; - OffsetNumber *left, - *right; - OffsetNumber maxoff; - SPLITCOST *costvector; - -#ifdef GIST_DEBUG - elog(DEBUG3, "--------picksplit %d", (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)); -#endif - - maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 2; - nbytes = (maxoff + 2) * sizeof(OffsetNumber); - v->spl_left = (OffsetNumber *) palloc(nbytes); - v->spl_right = (OffsetNumber *) palloc(nbytes); - - firsttime = true; - waste = 0.0; - for (i = FirstOffsetNumber; i < maxoff; i = OffsetNumberNext(i)) - { - datum_alpha = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); - for (j = OffsetNumberNext(i); j <= maxoff; j = OffsetNumberNext(j)) - { - datum_beta = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[j].key); - - /* compute the wasted space by unioning these guys */ - /* size_waste = size_union - size_inter; */ - union_d = (*unionf) (datum_alpha, datum_beta); - (*sizef) (union_d, &size_union); - inter_d = (*interf) (datum_alpha, datum_beta); - (*sizef) (inter_d, &size_inter); - size_waste = size_union - size_inter; - - pfree(union_d); - - if (inter_d != (ArrayType *) NULL) - pfree(inter_d); - - /* - * are these a more promising split that what we've already - * seen? - */ - - if (size_waste > waste || firsttime) - { - waste = size_waste; - seed_1 = i; - seed_2 = j; - firsttime = false; - } - } - } - - left = v->spl_left; - v->spl_nleft = 0; - right = v->spl_right; - v->spl_nright = 0; - if ( seed_1 == 0 || seed_2 == 0 ) { - seed_1 = 1; - seed_2 = 2; - } - - datum_alpha = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[seed_1].key); - datum_l = copy_intArrayType(datum_alpha); - (*sizef) (datum_l, &size_l); - datum_beta = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[seed_2].key); - datum_r = copy_intArrayType(datum_beta); - (*sizef) (datum_r, &size_r); - - maxoff = OffsetNumberNext(maxoff); - /* - * sort entries - */ - costvector=(SPLITCOST*)palloc( sizeof(SPLITCOST)*maxoff ); - for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i)) { - costvector[i-1].pos = i; - datum_alpha = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); - union_d = (*unionf)(datum_l, datum_alpha); - (*sizef)(union_d, &size_alpha); - pfree( union_d ); - union_d = (*unionf)(datum_r, datum_alpha); - (*sizef)(union_d, &size_beta); - pfree( union_d ); - costvector[i-1].cost = abs( (size_alpha - size_l) - (size_beta - size_r) ); - } - qsort( (void*)costvector, maxoff, sizeof(SPLITCOST), comparecost ); - - /* - * Now split up the regions between the two seeds. An important - * property of this split algorithm is that the split vector v has the - * indices of items to be split in order in its left and right - * vectors. We exploit this property by doing a merge in the code - * that actually splits the page. - * - * For efficiency, we also place the new index tuple in this loop. This - * is handled at the very end, when we have placed all the existing - * tuples and i == maxoff + 1. - */ - - - for (j = 0; j < maxoff; j++) { - i = costvector[j].pos; - - /* - * If we've already decided where to place this item, just put it - * on the right list. Otherwise, we need to figure out which page - * needs the least enlargement in order to store the item. - */ - - if (i == seed_1) - { - *left++ = i; - v->spl_nleft++; - continue; - } - else if (i == seed_2) - { - *right++ = i; - v->spl_nright++; - continue; - } - - /* okay, which page needs least enlargement? */ - datum_alpha = (ArrayType *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); - union_dl = (*unionf) (datum_l, datum_alpha); - union_dr = (*unionf) (datum_r, datum_alpha); - (*sizef) (union_dl, &size_alpha); - (*sizef) (union_dr, &size_beta); - - /* pick which page to add it to */ - if (size_alpha - size_l < size_beta - size_r + WISH_F(v->spl_nleft, v->spl_nright, coef)) - { - if (datum_l) - pfree(datum_l); - if (union_dr) - pfree(union_dr); - datum_l = union_dl; - size_l = size_alpha; - *left++ = i; - v->spl_nleft++; - } - else - { - if (datum_r) - pfree(datum_r); - if (union_dl) - pfree(union_dl); - datum_r = union_dr; - size_r = size_beta; - *right++ = i; - v->spl_nright++; - } - } - pfree( costvector ); - *right = *left = FirstOffsetNumber; - - datum_l->flags &= ~LEAFKEY; - datum_r->flags &= ~LEAFKEY; - v->spl_ldatum = PointerGetDatum(datum_l); - v->spl_rdatum = PointerGetDatum(datum_r); - -#ifdef GIST_DEBUG - elog(DEBUG3, "--------ENDpicksplit %d %d", v->spl_nleft, v->spl_nright); -#endif - return v; -} - -/***************************************************************************** - * BoolSearch - *****************************************************************************/ - - -#define END 0 -#define ERR 1 -#define VAL 2 -#define OPR 3 -#define OPEN 4 -#define CLOSE 5 - -/* parser's states */ -#define WAITOPERAND 1 -#define WAITENDOPERAND 2 -#define WAITOPERATOR 3 - -/* - * node of query tree, also used - * for storing polish notation in parser - */ -typedef struct NODE { - int4 type; - int4 val; - struct NODE *next; -} NODE; - -typedef struct { - char *buf; - int4 state; - int4 count; - /* reverse polish notation in list (for temprorary usage)*/ - NODE *str; - /* number in str */ - int4 num; -} WORKSTATE; - -/* - * get token from query string - */ -static int4 -gettoken( WORKSTATE* state, int4* val ) { - char nnn[16], *curnnn; - - curnnn=nnn; - while(1) { - switch(state->state) { - case WAITOPERAND: - curnnn=nnn; - if ( (*(state->buf)>='0' && *(state->buf)<='9') || - *(state->buf)=='-' ) { - state->state = WAITENDOPERAND; - *curnnn = *(state->buf); - curnnn++; - } else if ( *(state->buf) == '!' ) { - (state->buf)++; - *val = (int4)'!'; - return OPR; - } else if ( *(state->buf) == '(' ) { - state->count++; - (state->buf)++; - return OPEN; - } else if ( *(state->buf) != ' ' ) - return ERR; - break; - case WAITENDOPERAND: - if ( *(state->buf)>='0' && *(state->buf)<='9' ) { - *curnnn = *(state->buf); - curnnn++; - } else { - *curnnn = '\0'; - *val=(int4)atoi( nnn ); - state->state = WAITOPERATOR; - return ( state->count && *(state->buf) == '\0' ) - ? ERR : VAL; - } - break; - case WAITOPERATOR: - if ( *(state->buf) == '&' || *(state->buf) == '|' ) { - state->state = WAITOPERAND; - *val = (int4) *(state->buf); - (state->buf)++; - return OPR; - } else if ( *(state->buf) == ')' ) { - (state->buf)++; - state->count--; - return ( state->count <0 ) ? ERR : CLOSE; - } else if ( *(state->buf) == '\0' ) { - return ( state->count ) ? ERR : END; - } else if ( *(state->buf) != ' ' ) - return ERR; - break; - default: - return ERR; - break; - } - (state->buf)++; - } - return END; -} - -/* - * push new one in polish notation reverse view - */ -static void -pushquery( WORKSTATE *state, int4 type, int4 val ) { - NODE *tmp = (NODE*)palloc(sizeof(NODE)); - tmp->type=type; - tmp->val =val; - tmp->next = state->str; - state->str = tmp; - state->num++; -} - -#define STACKDEPTH 16 - -/* - * make polish notaion of query - */ -static int4 -makepol(WORKSTATE *state) { - int4 val,type; - int4 stack[STACKDEPTH]; - int4 lenstack=0; - - while( (type=gettoken(state, &val))!=END ) { - switch(type) { - case VAL: - pushquery(state, type, val); - while ( lenstack && (stack[ lenstack-1 ] == (int4)'&' || - stack[ lenstack-1 ] == (int4)'!') ) { - lenstack--; - pushquery(state, OPR, stack[ lenstack ]); - } - break; - case OPR: - if ( lenstack && val == (int4) '|' ) { - pushquery(state, OPR, val); - } else { - if ( lenstack == STACKDEPTH ) - elog(ERROR,"Stack too short"); - stack[ lenstack ] = val; - lenstack++; - } - break; - case OPEN: - if ( makepol( state ) == ERR ) return ERR; - if ( lenstack && (stack[ lenstack-1 ] == (int4)'&' || - stack[ lenstack-1 ] == (int4)'!') ) { - lenstack--; - pushquery(state, OPR, stack[ lenstack ]); - } - break; - case CLOSE: - while ( lenstack ) { - lenstack--; - pushquery(state, OPR, stack[ lenstack ]); - }; - return END; - break; - case ERR: - default: - elog(ERROR,"Syntax error"); - return ERR; - - } - } - - while (lenstack) { - lenstack--; - pushquery(state, OPR, stack[ lenstack ]); - }; - return END; -} - -typedef struct { - int4 *arrb; - int4 *arre; -} CHKVAL; - -/* - * is there value 'val' in array or not ? - */ -static bool -checkcondition_arr( void *checkval, int4 val ) { - int4 *StopLow = ((CHKVAL*)checkval)->arrb; - int4 *StopHigh = ((CHKVAL*)checkval)->arre; - int4 *StopMiddle; - - /* Loop invariant: StopLow <= val < StopHigh */ - - while (StopLow < StopHigh) { - StopMiddle = StopLow + (StopHigh - StopLow) / 2; - if (*StopMiddle == val) - return (true); - else if (*StopMiddle < val ) - StopLow = StopMiddle + 1; - else - StopHigh = StopMiddle; - } - return false; -} - -static bool -checkcondition_bit( void *checkval, int4 val ) { - return GETBIT( checkval, HASHVAL( val ) ); -} - -/* - * check for boolean condition - */ -static bool -execute( ITEM* curitem, void *checkval, bool calcnot, bool (*chkcond)(void *checkval, int4 val )) { - - if ( curitem->type == VAL ) { - return (*chkcond)( checkval, curitem->val ); - } else if ( curitem->val == (int4)'!' ) { - return ( calcnot ) ? - ( ( execute(curitem - 1, checkval, calcnot, chkcond) ) ? false : true ) - : true; - } else if ( curitem->val == (int4)'&' ) { - if ( execute(curitem + curitem->left, checkval, calcnot, chkcond) ) - return execute(curitem - 1, checkval, calcnot, chkcond); - else - return false; - } else { /* |-operator */ - if ( execute(curitem + curitem->left, checkval, calcnot, chkcond) ) - return true; - else - return execute(curitem - 1, checkval, calcnot, chkcond); - } - return false; -} - -/* - * signconsistent & execconsistent called by *_consistent - */ -static bool -signconsistent( QUERYTYPE *query, BITVEC sign, bool calcnot ) { - return execute( - GETQUERY(query) + query->size-1 , - (void*)sign, calcnot, - checkcondition_bit - ); -} - -static bool -execconsistent( QUERYTYPE *query, ArrayType *array, bool calcnot ) { - CHKVAL chkval; - - chkval.arrb = ARRPTR(array); - chkval.arre = chkval.arrb + ARRNELEMS(array); - return execute( - GETQUERY(query) + query->size-1 , - (void*)&chkval, calcnot, - checkcondition_arr - ); -} - -/* - * boolean operations - */ -Datum -rboolop(PG_FUNCTION_ARGS) { - return DirectFunctionCall2( - boolop, - PG_GETARG_DATUM(1), - PG_GETARG_DATUM(0) - ); -} - -Datum -boolop(PG_FUNCTION_ARGS) { - ArrayType *val = ( ArrayType * )PG_DETOAST_DATUM_COPY(PG_GETARG_POINTER(0)); - QUERYTYPE *query = ( QUERYTYPE * )PG_DETOAST_DATUM(PG_GETARG_POINTER(1)); - CHKVAL chkval; - bool result; - - if ( ARRISVOID( val ) ) { - pfree(val); - PG_FREE_IF_COPY(query,1); - PG_RETURN_BOOL( false ); - } - - PREPAREARR(val); - chkval.arrb = ARRPTR(val); - chkval.arre = chkval.arrb + ARRNELEMS(val); - result = execute( - GETQUERY(query) + query->size-1 , - &chkval, true, - checkcondition_arr - ); - pfree(val); - - PG_FREE_IF_COPY(query,1); - PG_RETURN_BOOL( result ); -} - -static void -findoprnd( ITEM *ptr, int4 *pos ) { -#ifdef BS_DEBUG - elog(DEBUG3, ( ptr[*pos].type == OPR ) ? - "%d %c" : "%d %d ", *pos, ptr[*pos].val ); -#endif - if ( ptr[*pos].type == VAL ) { - ptr[*pos].left = 0; - (*pos)--; - } else if ( ptr[*pos].val == (int4)'!' ) { - ptr[*pos].left = -1; - (*pos)--; - findoprnd( ptr, pos ); - } else { - ITEM *curitem = &ptr[*pos]; - int4 tmp = *pos; - (*pos)--; - findoprnd(ptr,pos); - curitem->left = *pos - tmp; - findoprnd(ptr,pos); - } -} - - -/* - * input - */ -Datum -bqarr_in(PG_FUNCTION_ARGS) { - char *buf=(char*)PG_GETARG_POINTER(0); - WORKSTATE state; - int4 i; - QUERYTYPE *query; - int4 commonlen; - ITEM *ptr; - NODE *tmp; - int4 pos=0; -#ifdef BS_DEBUG - char pbuf[16384],*cur; -#endif - - state.buf = buf; - state.state = WAITOPERAND; - state.count = 0; - state.num = 0; - state.str=NULL; - - /* make polish notation (postfix, but in reverse order) */ - makepol( &state ); - if (!state.num) - elog( ERROR,"Empty query"); - - commonlen = COMPUTESIZE(state.num); - query = (QUERYTYPE*) palloc( commonlen ); - query->len = commonlen; - query->size = state.num; - ptr = GETQUERY(query); - - for(i=state.num-1; i>=0; i-- ) { - ptr[i].type = state.str->type; - ptr[i].val = state.str->val; - tmp = state.str->next; - pfree( state.str ); - state.str = tmp; - } - - pos = query->size-1; - findoprnd( ptr, &pos ); -#ifdef BS_DEBUG - cur = pbuf; - *cur = '\0'; - for( i=0;i<query->size;i++ ) { - if ( ptr[i].type == OPR ) - sprintf(cur, "%c(%d) ", ptr[i].val, ptr[i].left); - else - sprintf(cur, "%d ", ptr[i].val ); - cur = strchr(cur,'\0'); - } - elog(DEBUG3,"POR: %s", pbuf); -#endif - - PG_RETURN_POINTER( query ); -} - - -/* - * out function - */ -typedef struct { - ITEM *curpol; - char *buf; - char *cur; - int4 buflen; -} INFIX; - -#define RESIZEBUF(inf,addsize) while( ( inf->cur - inf->buf ) + addsize + 1 >= inf->buflen ) { \ - int4 len = inf->cur - inf->buf; \ - inf->buflen *= 2; \ - inf->buf = (char*) repalloc( (void*)inf->buf, inf->buflen ); \ - inf->cur = inf->buf + len; \ -} - -static void -infix(INFIX *in, bool first) { - if ( in->curpol->type == VAL ) { - RESIZEBUF(in, 11); - sprintf(in->cur, "%d", in->curpol->val ); - in->cur = strchr( in->cur, '\0' ); - in->curpol--; - } else if ( in->curpol->val == (int4)'!' ) { - bool isopr = false; - RESIZEBUF(in, 1); - *(in->cur) = '!'; - in->cur++; - *(in->cur) = '\0'; - in->curpol--; - if ( in->curpol->type == OPR ) { - isopr = true; - RESIZEBUF(in, 2); - sprintf(in->cur, "( "); - in->cur = strchr( in->cur, '\0' ); - } - infix( in, isopr ); - if ( isopr ) { - RESIZEBUF(in, 2); - sprintf(in->cur, " )"); - in->cur = strchr( in->cur, '\0' ); - } - } else { - int4 op = in->curpol->val; - INFIX nrm; - - in->curpol--; - if ( op == (int4)'|' && ! first) { - RESIZEBUF(in, 2); - sprintf(in->cur, "( "); - in->cur = strchr( in->cur, '\0' ); - } - - nrm.curpol = in->curpol; - nrm.buflen = 16; - nrm.cur = nrm.buf = (char*)palloc( sizeof(char) * nrm.buflen ); - - /* get right operand */ - infix( &nrm, false ); - - /* get & print left operand */ - in->curpol = nrm.curpol; - infix( in, false ); - - /* print operator & right operand*/ - RESIZEBUF(in, 3 + (nrm.cur - nrm.buf) ); - sprintf(in->cur, " %c %s", op, nrm.buf); - in->cur = strchr( in->cur, '\0' ); - pfree( nrm.buf ); - - if ( op == (int4)'|' && ! first) { - RESIZEBUF(in, 2); - sprintf(in->cur, " )"); - in->cur = strchr( in->cur, '\0' ); - } - } -} - - -Datum -bqarr_out(PG_FUNCTION_ARGS) { - QUERYTYPE *query = (QUERYTYPE*)PG_DETOAST_DATUM(PG_GETARG_POINTER(0)); - INFIX nrm; - - if ( query->size == 0 ) - elog(ERROR,"Empty"); - nrm.curpol = GETQUERY(query) + query->size - 1; - nrm.buflen = 32; - nrm.cur = nrm.buf = (char*)palloc( sizeof(char) * nrm.buflen ); - *(nrm.cur) = '\0'; - infix( &nrm, true ); - - PG_FREE_IF_COPY(query,0); - PG_RETURN_POINTER( nrm.buf ); -} - -static int4 -countdroptree( ITEM *q, int4 pos ) { - if ( q[pos].type == VAL ) { - return 1; - } else if ( q[pos].val == (int4)'!' ) { - return 1+countdroptree(q, pos-1); - } else { - return 1 + countdroptree(q, pos-1) + countdroptree(q, pos + q[pos].left); - } -} - -/* - * common algorithm: - * result of all '!' will be = 'true', so - * we can modify query tree for clearing - */ -static int4 -shorterquery( ITEM *q, int4 len ) { - int4 index,posnot,poscor; - bool notisleft = false; - int4 drop,i; - - /* out all '!' */ - do { - index=0; - drop=0; - /* find ! */ - for(posnot=0; posnot < len; posnot++) - if ( q[posnot].type == OPR && q[posnot].val == (int4)'!') { - index=1; - break; - } - - if ( posnot == len ) - return len; - - /* last operator is ! */ - if ( posnot == len-1 ) - return 0; - - /* find operator for this operand */ - for( poscor=posnot+1; poscor<len; poscor++) { - if ( q[poscor].type == OPR ) { - if ( poscor == posnot+1 ) { - notisleft = false; - break; - } else if ( q[poscor].left + poscor == posnot ) { - notisleft = true; - break; - } - } - } - if ( q[poscor].val == (int4)'!' ) { - drop = countdroptree(q, poscor); - q[poscor-1].type=VAL; - for(i=poscor+1;i<len;i++) - if ( q[i].type == OPR && q[i].left + i <= poscor ) - q[i].left += drop - 2; - memcpy( (void*)&q[poscor-drop+1], - (void*)&q[poscor-1], - sizeof(ITEM) * ( len - (poscor-1) )); - len -= drop - 2; - } else if ( q[poscor].val == (int4)'|' ) { - drop = countdroptree(q, poscor); - q[poscor-1].type=VAL; - q[poscor].val=(int4)'!'; - q[poscor].left=-1; - for(i=poscor+1;i<len;i++) - if ( q[i].type == OPR && q[i].left + i < poscor ) - q[i].left += drop - 2; - memcpy( (void*)&q[poscor-drop+1], - (void*)&q[poscor-1], - sizeof(ITEM) * ( len - (poscor-1) )); - len -= drop - 2; - } else { /* &-operator */ - if ( - (notisleft && q[poscor-1].type == OPR && - q[poscor-1].val == (int4)'!' ) || - (!notisleft && q[poscor+q[poscor].left].type == OPR && - q[poscor+q[poscor].left].val == (int4)'!' ) - ) { /* drop subtree */ - drop = countdroptree(q, poscor); - q[poscor-1].type=VAL; - q[poscor].val=(int4)'!'; - q[poscor].left=-1; - for(i=poscor+1;i<len;i++) - if ( q[i].type == OPR && q[i].left + i < poscor ) - q[i].left += drop - 2; - memcpy( (void*)&q[poscor-drop+1], - (void*)&q[poscor-1], - sizeof(ITEM) * ( len - (poscor-1) )); - len -= drop - 2; - } else { /* drop only operator */ - int4 subtreepos = ( notisleft ) ? - poscor-1 : poscor+q[poscor].left; - int4 subtreelen = countdroptree( q, subtreepos ); - drop = countdroptree(q, poscor); - for(i=poscor+1;i<len;i++) - if ( q[i].type == OPR && q[i].left + i < poscor ) - q[i].left += drop - subtreelen; - memcpy( (void*)&q[ subtreepos+1 ], - (void*)&q[poscor+1], - sizeof(ITEM)*( len - (poscor-1) ) ); - memcpy( (void*)&q[ poscor-drop+1 ], - (void*)&q[subtreepos-subtreelen+1], - sizeof(ITEM)*( len - (drop-subtreelen) ) ); - len -= drop - subtreelen; - } - } - } while( index ); - return len; -} - - -Datum -querytree(PG_FUNCTION_ARGS) { - QUERYTYPE *query = (QUERYTYPE*)PG_DETOAST_DATUM(PG_GETARG_POINTER(0)); - INFIX nrm; - text *res; - ITEM *q; - int4 len; - - if ( query->size == 0 ) - elog(ERROR,"Empty"); - - q = (ITEM*)palloc( sizeof(ITEM) * query->size ); - memcpy( (void*)q, GETQUERY(query), sizeof(ITEM) * query->size ); - len = shorterquery( q, query->size ); - PG_FREE_IF_COPY(query,0); - - if ( len == 0 ) { - res = (text*) palloc( 1 + VARHDRSZ ); - VARATT_SIZEP(res) = 1 + VARHDRSZ; - *((char*)VARDATA(res)) = 'T'; - } else { - nrm.curpol = q + len - 1; - nrm.buflen = 32; - nrm.cur = nrm.buf = (char*)palloc( sizeof(char) * nrm.buflen ); - *(nrm.cur) = '\0'; - infix( &nrm, true ); - - res = (text*) palloc( nrm.cur-nrm.buf + VARHDRSZ ); - VARATT_SIZEP(res) = nrm.cur-nrm.buf + VARHDRSZ; - strncpy( VARDATA(res), nrm.buf, nrm.cur-nrm.buf ); - } - pfree(q); - - PG_RETURN_POINTER( res ); -} |