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path: root/src/backend/commands/proclang.c
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* pgindent run for 9.0Bruce Momjian2010-02-26
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* Add an OR REPLACE option to CREATE LANGUAGE.Tom Lane2010-02-23
| | | | | | | | | | | | | | | This operates in the same way as other CREATE OR REPLACE commands, ie, it replaces everything but the ownership and ACL lists of an existing entry, and requires the caller to have owner privileges for that entry. While modifying an existing language has some use in development scenarios, in typical usage all the "replaced" values come from pg_pltemplate so there will be no actual change in the language definition. The reason for adding this is mainly to allow programs to ensure that a language exists without triggering an error if it already does exist. This commit just adds and documents the new option. A followon patch will use it to clean up some unpleasant cases in pg_dump and pg_regress.
* Wrap calls to SearchSysCache and related functions using macros.Robert Haas2010-02-14
| | | | | | | | | | | | The purpose of this change is to eliminate the need for every caller of SearchSysCache, SearchSysCacheCopy, SearchSysCacheExists, GetSysCacheOid, and SearchSysCacheList to know the maximum number of allowable keys for a syscache entry (currently 4). This will make it far easier to increase the maximum number of keys in a future release should we choose to do so, and it makes the code shorter, too. Design and review by Tom Lane.
* Update copyright for the year 2010.Bruce Momjian2010-01-02
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* Implement the DO statement to support execution of PL code without havingTom Lane2009-09-22
| | | | | | | | | | | | | | to create a function for it. Procedural languages now have an additional entry point, namely a function to execute an inline code block. This seemed a better design than trying to hide the transient-ness of the code from the PL. As of this patch, only plpgsql has an inline handler, but probably people will soon write handlers for the other standard PLs. In passing, remove the long-dead LANCOMPILER option of CREATE LANGUAGE. Petr Jelinek
* Move some declarations in the raw-parser header files to create a clearerTom Lane2009-07-12
| | | | | | | | | | distinction between the external API (parser.h) and declarations that only need to be visible within the raw parser code (gramparse.h, which now is only included by parser.c, gram.y, scan.l, and keywords.c). This is in preparation for the upcoming change to a reentrant lexer, which will require referencing YYSTYPE in the declarations of base_yylex and filtered_base_yylex, hence gram.h will have to be included by gramparse.h. We don't want any more files than absolutely necessary to depend on gram.h, so some cleanup is called for.
* 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef listBruce Momjian2009-06-11
| | | | provided by Andrew.
* Update copyright for 2009.Bruce Momjian2009-01-01
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* Add a WINDOW attribute to CREATE FUNCTION, and teach pg_dump about it,Tom Lane2008-12-31
| | | | | | | | | | | so that user-defined window functions are possible. For the moment you'll have to write them in C, for lack of any interface to the WindowObject API in the available PLs, but it's better than no support at all. There was some debate about the best syntax for this. I ended up choosing the "it's an attribute" position --- the other approach will inevitably be more work, and the likely market for user-defined window functions is probably too small to justify it.
* Code review for function default parameters patch. Fix numerous problems asTom Lane2008-12-18
| | | | | per recent discussions. In passing this also fixes a couple of bugs in the previous variadic-parameters patch.
* Default values for function argumentsPeter Eisentraut2008-12-04
| | | | Pavel Stehule, with some tweaks by Peter Eisentraut
* Remove all uses of the deprecated functions heap_formtuple, heap_modifytuple,Tom Lane2008-11-02
| | | | | | | | | | | and heap_deformtuple in favor of the newer functions heap_form_tuple et al (which do the same things but use bool control flags instead of arbitrary char values). Eliminate the former duplicate coding of these functions, reducing the deprecated functions to mere wrappers around the newer ones. We can't get rid of them entirely because add-on modules probably still contain many instances of the old coding style. Kris Jurka
* Improve our #include situation by moving pointer types away from theAlvaro Herrera2008-06-19
| | | | | | | corresponding struct definitions. This allows other headers to avoid including certain highly-loaded headers such as rel.h and relscan.h, instead using just relcache.h, heapam.h or genam.h, which are more lightweight and thus cause less unnecessary dependencies.
* Fix REASSIGN OWNED so that it works on procedural languages too.Alvaro Herrera2008-04-29
| | | | | | | The capability for changing language owners is new in 8.3, so that's how far back this needs to be backpatched. Per bug #4132 by Kirill Simonov.
* Reduce the need for frontend programs to include "postgres.h" by refactoringTom Lane2008-03-27
| | | | | | | | | | | | inclusions in src/include/catalog/*.h files. The main idea here is to push function declarations for src/backend/catalog/*.c files into separate headers, rather than sticking them into the corresponding catalog definition file as has been done in the past. This commit only carries out that idea fully for pg_proc, pg_type and pg_conversion, but that's enough for the moment --- if pg_list.h ever becomes unsafe for frontend code to include, we'll need to work a bit more. Zdenek Kotala
* Move the HTSU_Result enum definition into snapshot.h, to avoid includingAlvaro Herrera2008-03-26
| | | | | | tqual.h into heapam.h. This makes all inclusion of tqual.h explicit. I also sorted alphabetically the includes on some source files.
* Simplify and standardize conversions between TEXT datums and ordinary CTom Lane2008-03-25
| | | | | | | | | | | | | | | | | | | | strings. This patch introduces four support functions cstring_to_text, cstring_to_text_with_len, text_to_cstring, and text_to_cstring_buffer, and two macros CStringGetTextDatum and TextDatumGetCString. A number of existing macros that provided variants on these themes were removed. Most of the places that need to make such conversions now require just one function or macro call, in place of the multiple notational layers that used to be needed. There are no longer any direct calls of textout or textin, and we got most of the places that were using handmade conversions via memcpy (there may be a few still lurking, though). This commit doesn't make any serious effort to eliminate transient memory leaks caused by detoasting toasted text objects before they reach text_to_cstring. We changed PG_GETARG_TEXT_P to PG_GETARG_TEXT_PP in a few places where it was easy, but much more could be done. Brendan Jurd and Tom Lane
* Update copyrights in source tree to 2008.Bruce Momjian2008-01-01
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* Implement function-local GUC parameter settings, as per recent discussion.Tom Lane2007-09-03
| | | | | | | There are still some loose ends: I didn't do anything about the SET FROM CURRENT idea yet, and it's not real clear whether we are happy with the interaction of SET LOCAL with function-local settings. The documentation is a bit spartan, too.
* Allow non-superuser database owners to create procedural languages.Tom Lane2007-03-26
| | | | | | | | | | A DBA is allowed to create a language in his database if it's marked "tmpldbacreate" in pg_pltemplate. The factory default is that this is set for all standard trusted languages, but of course a superuser may adjust the settings. In service of this, add the long-foreseen owner column to pg_language; renaming, dropping, and altering owner of a PL now follow normal ownership rules instead of being superuser-only. Jeremy Drake, with some editorialization by Tom Lane.
* Add COST and ROWS options to CREATE/ALTER FUNCTION, plus underlying pg_procTom Lane2007-01-22
| | | | | | | | | | | | columns procost and prorows, to allow simple user adjustment of the estimated cost of a function call, as well as control of the estimated number of rows returned by a set-returning function. We might eventually wish to extend this to allow function-specific estimation routines, but there seems to be consensus that we should try a simple constant estimate first. In particular this provides a relatively simple way to control the order in which different WHERE clauses are applied in a plan node, which is a Good Thing in view of the fact that the recent EquivalenceClass planner rewrite made that much less predictable than before.
* Update CVS HEAD for 2007 copyright. Back branches are typically notBruce Momjian2007-01-05
| | | | back-stamped for this.
* pgindent run for 8.2.Bruce Momjian2006-10-04
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* Make some sentences consistent with similar ones.Bruce Momjian2006-10-03
| | | | Euler Taveira de Oliveira
* Remove 576 references of include files that were not needed.Bruce Momjian2006-07-14
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* Alphabetically order reference to include files, "N" - "S".Bruce Momjian2006-07-11
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* DROP ... IF EXISTS for the following cases:Andrew Dunstan2006-06-16
| | | | language, tablespace, trigger, rule, opclass, function, aggregate. operator, and cast.
* Update copyright for 2006. Update scripts.Bruce Momjian2006-03-05
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* Standard pgindent run for 8.1.Bruce Momjian2005-10-15
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* Create the pg_pltemplate system catalog to hold template informationTom Lane2005-09-08
| | | | | | for procedural languages. This replaces the hard-wired table I had originally proposed as a stopgap solution. For the moment, the initial contents only include languages shipped with the core distribution.
* Implement a preliminary 'template' facility for procedural languages,Tom Lane2005-09-05
| | | | | | | | | | | | | | as per my recent proposal. For now the template data is hard-wired in proclang.c --- this should be replaced later by a new shared system catalog, but we don't want to force initdb during 8.1 beta. This change lets us cleanly load existing dump files even if they contain outright wrong information about a PL's support functions, such as a wrong path to the shared library or a missing validator function. Also, we can revert the recent kluges to make pg_dump dump PL support functions that are stored in pg_catalog. While at it, I removed the code in pg_regress that replaced $libdir with a hardcoded path for temporary installations. This is no longer needed given our support for relocatable installations.
* Completion of project to use fixed OIDs for all system catalogs andTom Lane2005-04-14
| | | | | | | indexes. Replace all heap_openr and index_openr calls by heap_open and index_open. Remove runtime lookups of catalog OID numbers in various places. Remove relcache's support for looking up system catalogs by name. Bulky but mostly very boring patch ...
* First phase of project to use fixed OIDs for all system catalogs andTom Lane2005-04-14
| | | | | | | | | | | | | | | | indexes. Extend the macros in include/catalog/*.h to carry the info about hand-assigned OIDs, and adjust the genbki script and bootstrap code to make the relations actually get those OIDs. Remove the small number of RelOid_pg_foo macros that we had in favor of a complete set named like the catname.h and indexing.h macros. Next phase will get rid of internal use of names for looking up catalogs and indexes; but this completes the changes forcing an initdb, so it looks like a good place to commit. Along the way, I made the shared relations (pg_database etc) not be 'bootstrap' relations any more, so as to reduce the number of hardwired entries and simplify changing those relations in future. I'm not sure whether they ever really needed to be handled as bootstrap relations, but it seems to work fine to not do so now.
* Officially decouple FUNC_MAX_ARGS from INDEX_MAX_KEYS, and set theTom Lane2005-03-29
| | | | | | former to 100 by default. Clean up some of the less necessary dependencies on FUNC_MAX_ARGS; however, the biggie (FunctionCallInfoData) remains.
* ALTER LANGUAGE RENAME has never worked. Per Sergey Yatskevich.Tom Lane2005-02-14
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* Tag appropriate files for rc3PostgreSQL Daemon2004-12-31
| | | | | | | | Also performed an initial run through of upgrading our Copyright date to extend to 2005 ... first run here was very simple ... change everything where: grep 1996-2004 && the word 'Copyright' ... scanned through the generated list with 'less' first, and after, to make sure that I only picked up the right entries ...
* Pgindent run for 8.0.Bruce Momjian2004-08-29
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* Update copyright to 2004.Bruce Momjian2004-08-29
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* Implement a solution to the 'Turkish locale downcases I incorrectly'Tom Lane2004-02-21
| | | | | | problem, per previous discussion. Make some additional changes to centralize the knowledge of just how identifier downcasing is done, in hopes of simplifying any future tweaking in this area.
* $Header: -> $PostgreSQL Changes ...PostgreSQL Daemon2003-11-29
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* Change some notices to warnings and vice versa according to criteriaPeter Eisentraut2003-10-02
| | | | developed on -hackers.
* Message editing: remove gratuitous variations in message wording, standardizePeter Eisentraut2003-09-25
| | | | | terms, add some clarifications, fix some untranslatable attempts at dynamic message building.
* Update copyrights to 2003.Bruce Momjian2003-08-04
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* pgindent run.Bruce Momjian2003-08-04
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* Adjust 'permission denied' messages to be more useful and consistent.Tom Lane2003-08-01
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* First bits of work on error message editing.Tom Lane2003-07-18
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* Some early work on error message editing. Operator-not-found andTom Lane2003-07-04
| | | | | function-not-found messages now distinguish the cases no-match and ambiguous-match, and they follow the style guidelines too.
* First batch of object rename commands.Peter Eisentraut2003-06-27
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* Provide an upgrade strategy for dump files containing functions declaredTom Lane2002-09-21
| | | | | | | | with OPAQUE. CREATE LANGUAGE, CREATE TRIGGER, and CREATE TYPE will all accept references to functions declared with OPAQUE --- but they will issue a NOTICE, and will modify the function entries in pg_proc to have the preferred type-safe argument or result types instead of OPAQUE. Per recent pghackers discussions.
* pgindent run.Bruce Momjian2002-09-04
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