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* Change many routines to return ObjectAddress rather than OIDAlvaro Herrera2015-03-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The changed routines are mostly those that can be directly called by ProcessUtilitySlow; the intention is to make the affected object information more precise, in support for future event trigger changes. Originally it was envisioned that the OID of the affected object would be enough, and in most cases that is correct, but upon actually implementing the event trigger changes it turned out that ObjectAddress is more widely useful. Additionally, some command execution routines grew an output argument that's an object address which provides further info about the executed command. To wit: * for ALTER DOMAIN / ADD CONSTRAINT, it corresponds to the address of the new constraint * for ALTER OBJECT / SET SCHEMA, it corresponds to the address of the schema that originally contained the object. * for ALTER EXTENSION {ADD, DROP} OBJECT, it corresponds to the address of the object added to or dropped from the extension. There's no user-visible change in this commit, and no functional change either. Discussion: 20150218213255.GC6717@tamriel.snowman.net Reviewed-By: Stephen Frost, Andres Freund
* Update copyright for 2015Bruce Momjian2015-01-06
| | | | Backpatch certain files through 9.0
* pgindent run for 9.4Bruce Momjian2014-05-06
| | | | | This includes removing tabs after periods in C comments, which was applied to back branches, so this change should not effect backpatching.
* Make DROP IF EXISTS more consistently not failAlvaro Herrera2014-01-23
| | | | | | | | | | | | Some cases were still reporting errors and aborting, instead of a NOTICE that the object was being skipped. This makes it more difficult to cleanly handle pg_dump --clean, so change that to instead skip missing objects properly. Per bug #7873 reported by Dave Rolsky; apparently this affects a large number of users. Authors: Pavel Stehule and Dean Rasheed. Some tweaks by Álvaro Herrera
* Update copyright for 2014Bruce Momjian2014-01-07
| | | | | Update all files in head, and files COPYRIGHT and legal.sgml in all back branches.
* Use an MVCC snapshot, rather than SnapshotNow, for catalog scans.Robert Haas2013-07-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | SnapshotNow scans have the undesirable property that, in the face of concurrent updates, the scan can fail to see either the old or the new versions of the row. In many cases, we work around this by requiring DDL operations to hold AccessExclusiveLock on the object being modified; in some cases, the existing locking is inadequate and random failures occur as a result. This commit doesn't change anything related to locking, but will hopefully pave the way to allowing lock strength reductions in the future. The major issue has held us back from making this change in the past is that taking an MVCC snapshot is significantly more expensive than using a static special snapshot such as SnapshotNow. However, testing of various worst-case scenarios reveals that this problem is not severe except under fairly extreme workloads. To mitigate those problems, we avoid retaking the MVCC snapshot for each new scan; instead, we take a new snapshot only when invalidation messages have been processed. The catcache machinery already requires that invalidation messages be sent before releasing the related heavyweight lock; else other backends might rely on locally-cached data rather than scanning the catalog at all. Thus, making snapshot reuse dependent on the same guarantees shouldn't break anything that wasn't already subtly broken. Patch by me. Review by Michael Paquier and Andres Freund.
* pgindent run for release 9.3Bruce Momjian2013-05-29
| | | | | This is the first run of the Perl-based pgindent script. Also update pgindent instructions.
* Extend object-access hook machinery to support post-alter events.Robert Haas2013-03-17
| | | | | | | This also slightly widens the scope of what we support in terms of post-create events. KaiGai Kohei, with a few changes, mostly to the comments, by me
* Code beautification for object-access hook machinery.Robert Haas2013-03-06
| | | | KaiGai Kohei
* Allow CREATE TABLE IF EXIST so succeed if the schema is nonexistentBruce Momjian2013-01-26
| | | | | | Previously, CREATE TABLE IF EXIST threw an error if the schema was nonexistent. This was done by passing 'missing_ok' to the function that looks up the schema oid.
* Refactor ALTER some-obj RENAME implementationAlvaro Herrera2013-01-21
| | | | | | | | | Remove duplicate implementations of catalog munging and miscellaneous privilege checks. Instead rely on already existing data in objectaddress.c to do the work. Author: KaiGai Kohei, changes by me Reviewed by: Robert Haas, Álvaro Herrera, Dimitri Fontaine
* Update copyrights for 2013Bruce Momjian2013-01-01
| | | | | Fully update git head, and update back branches in ./COPYRIGHT and legal.sgml files.
* Adjust more backend functions to return OID rather than void.Robert Haas2012-12-29
| | | | | | | | | This is again intended to support extensions to the event trigger functionality. This may go a bit further than we need for that purpose, but there's some value in being consistent, and the OID may be useful for other purposes also. Dimitri Fontaine
* Adjust many backend functions to return OID rather than void.Robert Haas2012-12-23
| | | | | | | Extracted from a larger patch by Dimitri Fontaine. It is hoped that this will provide infrastructure for enriching the new event trigger functionality, but it seems possibly useful for other purposes as well.
* refactor ALTER some-obj SET OWNER implementationAlvaro Herrera2012-10-03
| | | | | | | | | | Remove duplicate implementation of catalog munging and miscellaneous privilege and consistency checks. Instead rely on already existing data in objectaddress.c to do the work. Author: KaiGai Kohei Tweaked by me Reviewed by Robert Haas
* Refactor "ALTER some-obj SET SCHEMA" implementationAlvaro Herrera2012-10-02
| | | | | | | | | | | Instead of having each object type implement the catalog munging independently, centralize knowledge about how to do it and expand the existing table in objectaddress.c with enough data about each object type to support this operation. Author: KaiGai Kohei Tweaks by me Reviewed by Robert Haas
* Split tuple struct defs from htup.h to htup_details.hAlvaro Herrera2012-08-30
| | | | | | | | | | | | This reduces unnecessary exposure of other headers through htup.h, which is very widely included by many files. I have chosen to move the function prototypes to the new file as well, because that means htup.h no longer needs to include tupdesc.h. In itself this doesn't have much effect in indirect inclusion of tupdesc.h throughout the tree, because it's also required by execnodes.h; but it's something to explore in the future, and it seemed best to do the htup.h change now while I'm busy with it.
* Improve reporting of permission errors for array typesPeter Eisentraut2012-06-15
| | | | | | | | | | | | | Because permissions are assigned to element types, not array types, complaining about permission denied on an array type would be misleading to users. So adjust the reporting to refer to the element type instead. In order not to duplicate the required logic in two dozen places, refactor the permission denied reporting for types a bit. pointed out by Yeb Havinga during the review of the type privilege feature
* Run pgindent on 9.2 source tree in preparation for first 9.3Bruce Momjian2012-06-10
| | | | commit-fest.
* Extend object access hook framework to support arguments, and DROP.Robert Haas2012-03-09
| | | | | | | | | This allows loadable modules to get control at drop time, perhaps for the purpose of performing additional security checks or to log the event. The initial purpose of this code is to support sepgsql, but other applications should be possible as well. KaiGai Kohei, reviewed by me.
* Classify DROP operations by whether or not they are user-initiated.Robert Haas2012-01-26
| | | | | | | This doesn't do anything useful just yet, but is intended as supporting infrastructure for allowing sepgsql to sensibly check DROP permissions. KaiGai Kohei and Robert Haas
* Update copyright notices for year 2012.Bruce Momjian2012-01-01
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* Create a "sort support" interface API for faster sorting.Tom Lane2011-12-07
| | | | | | | | | | | | This patch creates an API whereby a btree index opclass can optionally provide non-SQL-callable support functions for sorting. In the initial patch, we only use this to provide a directly-callable comparator function, which can be invoked with a bit less overhead than the traditional SQL-callable comparator. While that should be of value in itself, the real reason for doing this is to provide a datatype-extensible framework for more aggressive optimizations, as in Peter Geoghegan's recent work. Robert Haas and Tom Lane
* Further consolidation of DROP statement handling.Robert Haas2011-11-17
| | | | | | | | | | | This gets rid of an impressive amount of duplicative code, with only minimal behavior changes. DROP FOREIGN DATA WRAPPER now requires object ownership rather than superuser privileges, matching the documentation we already have. We also eliminate the historical warning about dropping a built-in function as unuseful. All operations are now performed in the same order for all object types handled by dropcmds.c. KaiGai Kohei, with minor revisions by me
* Fix DROP OPERATOR FAMILY IF EXISTS.Robert Haas2011-10-21
| | | | | | | | | | Essentially, the "IF EXISTS" portion was being ignored, and an error thrown anyway if the opfamily did not exist. I broke this in commit fd1843ff8979c0461fb3f1a9eab61140c977e32d; so backpatch to 9.1.X. Report and diagnosis by KaiGai Kohei.
* Add "skipping" to the NOTICE produced by DROP OPERATOR CLASS IF EXISTS.Robert Haas2011-10-19
| | | | | | | This makes this message consistent with all the other similar notices produced by other DROP IF EXISTS commands. Noted by KaiGai Kohei
* Remove unnecessary #include references, per pgrminclude script.Bruce Momjian2011-09-01
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* Rethink behavior of CREATE OR REPLACE during CREATE EXTENSION.Tom Lane2011-07-23
| | | | | | | | | The original implementation simply did nothing when replacing an existing object during CREATE EXTENSION. The folly of this was exposed by a report from Marc Munro: if the existing object belongs to another extension, we are left in an inconsistent state. We should insist that the object does not belong to another extension, and then add it to the current extension if not already a member.
* pgindent run before PG 9.1 beta 1.Bruce Momjian2011-04-10
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* Core support for "extensions", which are packages of SQL objects.Tom Lane2011-02-08
| | | | | | | | | | | | | This patch adds the server infrastructure to support extensions. There is still one significant loose end, namely how to make it play nice with pg_upgrade, so I am not yet committing the changes that would make all the contrib modules depend on this feature. In passing, fix a disturbingly large amount of breakage in AlterObjectNamespace() and callers. Dimitri Fontaine, reviewed by Anssi Kääriäinen, Itagaki Takahiro, Tom Lane, and numerous others
* Fix crash in ALTER OPERATOR CLASS/FAMILY .. SET SCHEMA.Robert Haas2011-01-03
| | | | | | | In the previous coding, the parser emitted a List containing a C string, which is no good, because copyObject() can't handle it. Dimitri Fontaine
* Stamp copyrights for year 2011.Bruce Momjian2011-01-01
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* Add more ALTER <object> .. SET SCHEMA commands.Robert Haas2010-11-26
| | | | | | | | This adds support for changing the schema of a conversion, operator, operator class, operator family, text search configuration, text search dictionary, text search parser, or text search template. Dimitri Fontaine, with assorted corrections and other kibitzing.
* Object access hook framework, with post-creation hook.Robert Haas2010-11-25
| | | | | | | | | | After a SQL object is created, we provide an opportunity for security or logging plugins to get control; for example, a security label provider could use this to assign an initial security label to newly created objects. The basic infrastructure is (hopefully) reusable for other types of events that might require similar treatment. KaiGai Kohei, with minor adjustments.
* Create the system catalog infrastructure needed for KNNGIST.Tom Lane2010-11-24
| | | | | | | | | | | | | | | | This commit adds columns amoppurpose and amopsortfamily to pg_amop, and column amcanorderbyop to pg_am. For the moment all the entries in amcanorderbyop are "false", since the underlying support isn't there yet. Also, extend the CREATE OPERATOR CLASS/ALTER OPERATOR FAMILY commands with [ FOR SEARCH | FOR ORDER BY sort_operator_family ] clauses to allow the new columns of pg_amop to be populated, and create pg_dump support for dumping that information. I also added some documentation, although it's perhaps a bit premature given that the feature doesn't do anything useful yet. Teodor Sigaev, Robert Haas, Tom Lane
* Refactor typenameTypeId()Peter Eisentraut2010-10-25
| | | | | | Split the old typenameTypeId() into two functions: A new typenameTypeId() that returns only a type OID, and typenameTypeIdAndMod() that returns type OID and typmod. This isolates call sites better that actually care about the typmod.
* Remove cvs keywords from all files.Magnus Hagander2010-09-20
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* Standardize get_whatever_oid functions for other object types.Robert Haas2010-08-05
| | | | | | | | | | | | | | | - Rename TSParserGetPrsid to get_ts_parser_oid. - Rename TSDictionaryGetDictid to get_ts_dict_oid. - Rename TSTemplateGetTmplid to get_ts_template_oid. - Rename TSConfigGetCfgid to get_ts_config_oid. - Rename FindConversionByName to get_conversion_oid. - Rename GetConstraintName to get_constraint_oid. - Add new functions get_opclass_oid, get_opfamily_oid, get_rewrite_oid, get_rewrite_oid_without_relid, get_trigger_oid, and get_cast_oid. The name of each function matches the corresponding catalog. Thanks to KaiGai Kohei for the review.
* Standardize get_whatever_oid functions for object types withRobert Haas2010-08-05
| | | | | | | | | | | | | unqualified names. - Add a missing_ok parameter to get_tablespace_oid. - Avoid duplicating get_tablespace_od guts in objectNamesToOids. - Add a missing_ok parameter to get_database_oid. - Replace get_roleid and get_role_checked with get_role_oid. - Add get_namespace_oid, get_language_oid, get_am_oid. - Refactor existing code to use new interfaces. Thanks to KaiGai Kohei for the review.
* Remove duplicate code in DefineOpFamily().Tom Lane2010-07-16
| | | | | | | The code was probably meant to be this way all along, since the subroutine CreateOpFamily previously had only one caller. But it wasn't. KaiGai Kohei
* pgindent run for 9.0, second runBruce Momjian2010-07-06
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* Allow REASSIGNED OWNED to handle opclasses and opfamilies.Robert Haas2010-07-03
| | | | | | | | Backpatch to 8.3, which is as far back as we have opfamilies. The opclass portion could probably be backpatched to 8.2, when REASSIGN OWNED was added, but for now I have not done that. Asko Tiidumaa, with minor adjustments by me.
* 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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* Update copyright for 2009.Bruce Momjian2009-01-01
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* 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.
* Restructure some header files a bit, in particular heapam.h, by removing someAlvaro Herrera2008-05-12
| | | | | | | | | | | | unnecessary #include lines in it. Also, move some tuple routine prototypes and macros to htup.h, which allows removal of heapam.h inclusion from some .c files. For this to work, a new header file access/sysattr.h needed to be created, initially containing attribute numbers of system columns, for pg_dump usage. While at it, make contrib ltree, intarray and hstore header files more consistent with our header style.
* Push index operator lossiness determination down to GIST/GIN opclassTom Lane2008-04-14
| | | | | | | | | | | "consistent" functions, and remove pg_amop.opreqcheck, as per recent discussion. The main immediate benefit of this is that we no longer need 8.3's ugly hack of requiring @@@ rather than @@ to test weight-using tsquery searches on GIN indexes. In future it should be possible to optimize some other queries better than is done now, by detecting at runtime whether the index match is exact or not. Tom Lane, after an idea of Heikki's, and with some help from Teodor.
* 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.
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