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path: root/src/backend/commands/operatorcmds.c
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* Remove unused #include's from backend .c filesPeter Eisentraut2024-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | as determined by include-what-you-use (IWYU) While IWYU also suggests to *add* a bunch of #include's (which is its main purpose), this patch does not do that. In some cases, a more specific #include replaces another less specific one. Some manual adjustments of the automatic result: - IWYU currently doesn't know about includes that provide global variable declarations (like -Wmissing-variable-declarations), so those includes are being kept manually. - All includes for port(ability) headers are being kept for now, to play it safe. - No changes of catalog/pg_foo.h to catalog/pg_foo_d.h, to keep the patch from exploding in size. Note that this patch touches just *.c files, so nothing declared in header files changes in hidden ways. As a small example, in src/backend/access/transam/rmgr.c, some IWYU pragma annotations are added to handle a special case there. Discussion: https://www.postgresql.org/message-id/flat/af837490-6b2f-46df-ba05-37ea6a6653fc%40eisentraut.org
* Update copyright for 2024Bruce Momjian2024-01-03
| | | | | | | | Reported-by: Michael Paquier Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz Backpatch-through: 12
* Extend ALTER OPERATOR to allow setting more optimization attributes.Tom Lane2023-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow the COMMUTATOR, NEGATOR, MERGES, and HASHES attributes to be set by ALTER OPERATOR. However, we don't allow COMMUTATOR/NEGATOR to be changed once set, nor allow the MERGES/HASHES flags to be unset once set. Changes like that might invalidate plans already made, and dealing with the consequences seems like more trouble than it's worth. The main use-case we foresee for this is to allow addition of missed properties in extension update scripts, such as extending an existing operator to support hashing. So only transitions from not-set to set states seem very useful. This patch also causes us to reject some incorrect cases that formerly resulted in inconsistent catalog state, such as trying to set the commutator of an operator to be some other operator that already has a (different) commutator. While at it, move the InvokeObjectPostCreateHook call for CREATE OPERATOR to not occur until after we've fixed up commutator or negator links as needed. The previous ordering could only be justified by thinking of the OperatorUpd call as a kind of ALTER OPERATOR step; but we don't call InvokeObjectPostAlterHook therein. It seems better to let the hook see the final state of the operator object. In the documentation, move the discussion of how to establish commutator pairs from xoper.sgml to the CREATE OPERATOR ref page. Tommy Pavlicek, reviewed and editorialized a bit by me Discussion: https://postgr.es/m/CAEhP-W-vGVzf4udhR5M8Bdv88UYnPrhoSkj3ieR3QNrsGQoqdg@mail.gmail.com
* Update copyright for 2023Bruce Momjian2023-01-02
| | | | Backpatch-through: 11
* Refactor aclcheck functionsPeter Eisentraut2022-11-13
| | | | | | | | | | | | | | | | | | Instead of dozens of mostly-duplicate pg_foo_aclcheck() functions, write one common function object_aclcheck() that can handle almost all of them. We already have all the information we need, such as which system catalog corresponds to which catalog table and which column is the ACL column. There are a few pg_foo_aclcheck() that don't work via the generic function and have special APIs, so those stay as is. I also changed most pg_foo_aclmask() functions to static functions, since they are not used outside of aclchk.c. Reviewed-by: Corey Huinker <corey.huinker@gmail.com> Reviewed-by: Antonin Houska <ah@cybertec.at> Discussion: https://www.postgresql.org/message-id/flat/95c30f96-4060-2f48-98b5-a4392d3b6066@enterprisedb.com
* Refactor ownercheck functionsPeter Eisentraut2022-11-13
| | | | | | | | | | | | Instead of dozens of mostly-duplicate pg_foo_ownercheck() functions, write one common function object_ownercheck() that can handle almost all of them. We already have all the information we need, such as which system catalog corresponds to which catalog table and which column is the owner column. Reviewed-by: Corey Huinker <corey.huinker@gmail.com> Reviewed-by: Antonin Houska <ah@cybertec.at> Discussion: https://www.postgresql.org/message-id/flat/95c30f96-4060-2f48-98b5-a4392d3b6066@enterprisedb.com
* Update copyright for 2022Bruce Momjian2022-01-07
| | | | Backpatch-through: 10
* Prevent ALTER TYPE/DOMAIN/OPERATOR from changing extension membership.Tom Lane2021-08-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If recordDependencyOnCurrentExtension is invoked on a pre-existing, free-standing object during an extension update script, that object will become owned by the extension. In our current code this is possible in three cases: * Replacing a "shell" type or operator. * CREATE OR REPLACE overwriting an existing object. * ALTER TYPE SET, ALTER DOMAIN SET, and ALTER OPERATOR SET. The first of these cases is intentional behavior, as noted by the existing comments for GenerateTypeDependencies. It seems like appropriate behavior for CREATE OR REPLACE too; at least, the obvious alternatives are not better. However, the fact that it happens during ALTER is an artifact of trying to share code (GenerateTypeDependencies and makeOperatorDependencies) between the CREATE and ALTER cases. Since an extension script would be unlikely to ALTER an object that didn't already belong to the extension, this behavior is not very troubling for the direct target object ... but ALTER TYPE SET will recurse to dependent domains, and it is very uncool for those to become owned by the extension if they were not already. Let's fix this by redefining the ALTER cases to never change extension membership, full stop. We could minimize the behavioral change by only changing the behavior when ALTER TYPE SET is recursing to a domain, but that would complicate the code and it does not seem like a better definition. Per bug #17144 from Alex Kozhemyakin. Back-patch to v13 where ALTER TYPE SET was added. (The other cases are older, but since they only affect the directly-named object, there's not enough of a problem to justify changing the behavior further back.) Discussion: https://postgr.es/m/17144-e67d7a8f049de9af@postgresql.org
* Fix typos in operatorcmds.cMichael Paquier2021-05-10
| | | | | Author: Kyotaro Horiguchi, Justin Pryzby Discussion: https://postgr.es/m/20210428.173633.1525059946206239295.horikyota.ntt@gmail.com
* Update copyright for 2021Bruce Momjian2021-01-02
| | | | Backpatch-through: 9.5
* Remove support for postfix (right-unary) operators.Tom Lane2020-09-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | This feature has been a thorn in our sides for a long time, causing many grammatical ambiguity problems. It doesn't seem worth the pain to continue to support it, so remove it. There are some follow-on improvements we can make in the grammar, but this commit only removes the bare minimum number of productions, plus assorted backend support code. Note that pg_dump and psql continue to have full support, since they may be used against older servers. However, pg_dump warns about postfix operators. There is also a check in pg_upgrade. Documentation-wise, I (tgl) largely removed the "left unary" terminology in favor of saying "prefix operator", which is a more standard and IMO less confusing term. I included a catversion bump, although no initial catalog data changes here, to mark the boundary at which oprkind = 'r' stopped being valid in pg_operator. Mark Dilger, based on work by myself and Robert Haas; review by John Naylor Discussion: https://postgr.es/m/38ca86db-42ab-9b48-2902-337a0d6b8311@2ndquadrant.com
* Make contrib modules' installation scripts more secure.Tom Lane2020-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hostile objects located within the installation-time search_path could capture references in an extension's installation or upgrade script. If the extension is being installed with superuser privileges, this opens the door to privilege escalation. While such hazards have existed all along, their urgency increases with the v13 "trusted extensions" feature, because that lets a non-superuser control the installation path for a superuser-privileged script. Therefore, make a number of changes to make such situations more secure: * Tweak the construction of the installation-time search_path to ensure that references to objects in pg_catalog can't be subverted; and explicitly add pg_temp to the end of the path to prevent attacks using temporary objects. * Disable check_function_bodies within installation/upgrade scripts, so that any security gaps in SQL-language or PL-language function bodies cannot create a risk of unwanted installation-time code execution. * Adjust lookup of type input/receive functions and join estimator functions to complain if there are multiple candidate functions. This prevents capture of references to functions whose signature is not the first one checked; and it's arguably more user-friendly anyway. * Modify various contrib upgrade scripts to ensure that catalog modification queries are executed with secure search paths. (These are in-place modifications with no extension version changes, since it is the update process itself that is at issue, not the end result.) Extensions that depend on other extensions cannot be made fully secure by these methods alone; therefore, revert the "trusted" marking that commit eb67623c9 applied to earthdistance and hstore_plperl, pending some better solution to that set of issues. Also add documentation around these issues, to help extension authors write secure installation scripts. Patch by me, following an observation by Andres Freund; thanks to Noah Misch for review. Security: CVE-2020-14350
* Remove utils/acl.h from catalog/objectaddress.hPeter Eisentraut2020-03-10
| | | | | | | | | | | | | | | | | | The need for this was removed by 8b9e9644dc6a9bd4b7a97950e6212f63880cf18b. A number of files now need to include utils/acl.h or parser/parse_node.h explicitly where they previously got it indirectly somehow. Since parser/parse_node.h already includes nodes/parsenodes.h, the latter is then removed where the former was added. Also, remove nodes/pg_list.h from objectaddress.h, since that's included via nodes/parsenodes.h. Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Alvaro Herrera <alvherre@2ndquadrant.com> Discussion: https://www.postgresql.org/message-id/flat/7601e258-26b2-8481-36d0-dc9dca6f28f1%402ndquadrant.com
* Update copyrights for 2020Bruce Momjian2020-01-01
| | | | Backpatch-through: update all files in master, backpatch legal files through 9.4
* Fix inconsistencies and typos in the treeMichael Paquier2019-07-29
| | | | | | | | This is numbered take 8, and addresses again a set of issues with code comments, variable names and unreferenced variables. Author: Alexander Lakhin Discussion: https://postgr.es/m/b137b5eb-9c95-9c2f-586e-38aba7d59788@gmail.com
* Fix style violations in syscache lookups.Tom Lane2019-05-05
| | | | | | | | | | | | | | | | | Project style is to check the success of SearchSysCacheN and friends by applying HeapTupleIsValid to the result. A tiny minority of calls creatively did it differently. Bring them into line with the rest. This is just cosmetic, since HeapTupleIsValid is indeed just a null check at the moment ... but that may not be true forever, and in any case it puts a mental burden on readers who may wonder why these call sites are not like the rest. Back-patch to v11 just to keep the branches in sync. (The bulk of these errors seem to have originated in v11 or v12, though a few are old.) Per searching to see if anyplace else had made the same error repaired in 62148c352.
* Replace uses of heap_open et al with the corresponding table_* function.Andres Freund2019-01-21
| | | | | Author: Andres Freund Discussion: https://postgr.es/m/20190111000539.xbv7s6w7ilcvm7dp@alap3.anarazel.de
* Replace heapam.h includes with {table, relation}.h where applicable.Andres Freund2019-01-21
| | | | | | | | | A lot of files only included heapam.h for relation_open, heap_open etc - replace the heapam.h include in those files with the narrower header. Author: Andres Freund Discussion: https://postgr.es/m/20190111000539.xbv7s6w7ilcvm7dp@alap3.anarazel.de
* Update copyright for 2019Bruce Momjian2019-01-02
| | | | Backpatch-through: certain files through 9.4
* Change PROCEDURE to FUNCTION in CREATE OPERATOR syntaxPeter Eisentraut2018-08-22
| | | | | | | | | Since procedures are now a different thing from functions, change the CREATE OPERATOR syntax to use FUNCTION in the clause that specifies the function. PROCEDURE is still accepted for compatibility. Reported-by: Peter Geoghegan <pg@bowt.ie> Reviewed-by: Jonathan S. Katz <jonathan.katz@excoventures.com>
* Merge catalog/pg_foo_fn.h headers back into pg_foo.h headers.Tom Lane2018-04-08
| | | | | | | | | | | | | Traditionally, include/catalog/pg_foo.h contains extern declarations for functions in backend/catalog/pg_foo.c, in addition to its function as the authoritative definition of the pg_foo catalog's rowtype. In some cases, we'd been forced to split out those extern declarations into separate pg_foo_fn.h headers so that the catalog definitions could be #include'd by frontend code. That problem is gone as of commit 9c0a0de4c, so let's undo the splits to make things less confusing. Discussion: https://postgr.es/m/23690.1523031777@sss.pgh.pa.us
* Avoid unnecessary use of pg_strcasecmp for already-downcased identifiers.Tom Lane2018-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have a lot of code in which option names, which from the user's viewpoint are logically keywords, are passed through the grammar as plain identifiers, and then matched to string literals during command execution. This approach avoids making words into lexer keywords unnecessarily. Some places matched these strings using plain strcmp, some using pg_strcasecmp. But the latter should be unnecessary since identifiers would have been downcased on their way through the parser. Aside from any efficiency concerns (probably not a big factor), the lack of consistency in this area creates a hazard of subtle bugs due to different places coming to different conclusions about whether two option names are the same or different. Hence, standardize on using strcmp() to match any option names that are expected to have been fed through the parser. This does create a user-visible behavioral change, which is that while formerly all of these would work: alter table foo set (fillfactor = 50); alter table foo set (FillFactor = 50); alter table foo set ("fillfactor" = 50); alter table foo set ("FillFactor" = 50); now the last case will fail because that double-quoted identifier is different from the others. However, none of our documentation says that you can use a quoted identifier in such contexts at all, and we should discourage doing so since it would break if we ever decide to parse such constructs as true lexer keywords rather than poor man's substitutes. So this shouldn't create a significant compatibility issue for users. Daniel Gustafsson, reviewed by Michael Paquier, small changes by me Discussion: https://postgr.es/m/29405B24-564E-476B-98C0-677A29805B84@yesql.se
* Replace AclObjectKind with ObjectTypePeter Eisentraut2018-01-19
| | | | | | | | | AclObjectKind was basically just another enumeration for object types, and we already have a preferred one for that. It's only used in aclcheck_error. By using ObjectType instead, we can also give some more precise error messages, for example "index" instead of "relation". Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
* Update copyright for 2018Bruce Momjian2018-01-02
| | | | Backpatch-through: certain files through 9.3
* Phase 3 of pgindent updates.Tom Lane2017-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | Don't move parenthesized lines to the left, even if that means they flow past the right margin. By default, BSD indent lines up statement continuation lines that are within parentheses so that they start just to the right of the preceding left parenthesis. However, traditionally, if that resulted in the continuation line extending to the right of the desired right margin, then indent would push it left just far enough to not overrun the margin, if it could do so without making the continuation line start to the left of the current statement indent. That makes for a weird mix of indentations unless one has been completely rigid about never violating the 80-column limit. This behavior has been pretty universally panned by Postgres developers. Hence, disable it with indent's new -lpl switch, so that parenthesized lines are always lined up with the preceding left paren. This patch is much less interesting than the first round of indent changes, but also bulkier, so I thought it best to separate the effects. Discussion: https://postgr.es/m/E1dAmxK-0006EE-1r@gemulon.postgresql.org Discussion: https://postgr.es/m/30527.1495162840@sss.pgh.pa.us
* Phase 2 of pgindent updates.Tom Lane2017-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change pg_bsd_indent to follow upstream rules for placement of comments to the right of code, and remove pgindent hack that caused comments following #endif to not obey the general rule. Commit e3860ffa4dd0dad0dd9eea4be9cc1412373a8c89 wasn't actually using the published version of pg_bsd_indent, but a hacked-up version that tried to minimize the amount of movement of comments to the right of code. The situation of interest is where such a comment has to be moved to the right of its default placement at column 33 because there's code there. BSD indent has always moved right in units of tab stops in such cases --- but in the previous incarnation, indent was working in 8-space tab stops, while now it knows we use 4-space tabs. So the net result is that in about half the cases, such comments are placed one tab stop left of before. This is better all around: it leaves more room on the line for comment text, and it means that in such cases the comment uniformly starts at the next 4-space tab stop after the code, rather than sometimes one and sometimes two tabs after. Also, ensure that comments following #endif are indented the same as comments following other preprocessor commands such as #else. That inconsistency turns out to have been self-inflicted damage from a poorly-thought-through post-indent "fixup" in pgindent. This patch is much less interesting than the first round of indent changes, but also bulkier, so I thought it best to separate the effects. Discussion: https://postgr.es/m/E1dAmxK-0006EE-1r@gemulon.postgresql.org Discussion: https://postgr.es/m/30527.1495162840@sss.pgh.pa.us
* Replace LookupFuncNameTypeNames() with LookupFuncWithArgs()Peter Eisentraut2017-03-06
| | | | | | | | | | | The old function took function name and function argument list as separate arguments. Now that all function signatures are passed around as ObjectWithArgs structs, this is no longer necessary and can be replaced by a function that takes ObjectWithArgs directly. Similarly for aggregates and operators. Reviewed-by: Jim Nasby <Jim.Nasby@BlueTreble.com> Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
* Provide CatalogTupleDelete() as a wrapper around simple_heap_delete().Tom Lane2017-02-01
| | | | | | | | | | | | | | | | This extends the work done in commit 2f5c9d9c9 to provide a more nearly complete abstraction layer hiding the details of index updating for catalog changes. That commit only invented abstractions for catalog inserts and updates, leaving nearby code for catalog deletes still calling the heap-level routines directly. That seems rather ugly from here, and it does little to help if we ever want to shift to a storage system in which indexing work is needed at delete time. Hence, create a wrapper function CatalogTupleDelete(), and replace calls of simple_heap_delete() on catalog tuples with it. There are now very few direct calls of [simple_]heap_delete remaining in the tree. Discussion: https://postgr.es/m/462.1485902736@sss.pgh.pa.us
* Tweak catalog indexing abstraction for upcoming WARMAlvaro Herrera2017-01-31
| | | | | | | | | | | | | | | | | | | | | Split the existing CatalogUpdateIndexes into two different routines, CatalogTupleInsert and CatalogTupleUpdate, which do both the heap insert/update plus the index update. This removes over 300 lines of boilerplate code all over src/backend/catalog/ and src/backend/commands. The resulting code is much more pleasing to the eye. Also, by encapsulating what happens in detail during an UPDATE, this facilitates the upcoming WARM patch, which is going to add a few more lines to the update case making the boilerplate even more boring. The original CatalogUpdateIndexes is removed; there was only one use left, and since it's just three lines, we can as well expand it in place there. We could keep it, but WARM is going to break all the UPDATE out-of-core callsites anyway, so there seems to be no benefit in doing so. Author: Pavan Deolasee Discussion: https://www.postgr.es/m/CABOikdOcFYSZ4vA2gYfs=M2cdXzXX4qGHeEiW3fu9PCfkHLa2A@mail.gmail.com
* Update copyright via script for 2017Bruce Momjian2017-01-03
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* pgindent run for 9.6Robert Haas2016-06-09
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* Message style and wording fixesPeter Eisentraut2016-06-07
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* Type names should not be quotedAlvaro Herrera2016-04-01
| | | | | | | | | Our actual convention, contrary to what I said in 59a2111b23f, is not to quote type names, as evidenced by unquoted use of format_type_be() result value in error messages. Remove quotes from recently tweaked messages accordingly. Per note from Tom Lane
* Improve internationalization of messages involving type namesAlvaro Herrera2016-03-28
| | | | | | | | | | | | | | | Change the slightly different variations of the message function FOO must return type BAR to a single wording, removing the variability in type name so that they all create a single translation entry; since the type name is not to be translated, there's no point in it being part of the message anyway. Also, change them all to use the same quoting convention, namely that the function name is not to be quoted but the type name is. (I'm not quite sure why this is so, but it's the clear majority.) Some similar messages such as "encoding conversion function FOO must ..." are also changed.
* Fix DROP OPERATOR to reset oprcom/oprnegate links to the dropped operator.Tom Lane2016-03-25
| | | | | | | | | | | | This avoids leaving dangling links in pg_operator; which while fairly harmless are also unsightly. While we're at it, simplify OperatorUpd, which went through heap_modify_tuple for no very good reason considering it had already made a tuple copy it could just scribble on. Roma Sokolov, reviewed by Tomas Vondra, additional hacking by Robert Haas and myself.
* Update copyright for 2016Bruce Momjian2016-01-02
| | | | Backpatch certain files through 9.1
* Fix ALTER OPERATOR to update dependencies properly.Tom Lane2015-12-31
| | | | | | | | | | | | | | Fix an oversight in commit 321eed5f0f7563a0: replacing an operator's selectivity functions needs to result in a corresponding update in pg_depend. We have a function that can handle that, but it was not called by AlterOperator(). To fix this without enlarging pg_operator.h's #include list beyond what clients can safely include, split off the function definitions into a new file pg_operator_fn.h, similarly to what we've done for some other catalog header files. It's not entirely clear whether any client-side code needs to include pg_operator.h, but it seems prudent to assume that there is some such code somewhere.
* Fix event trigger support for the new ALTER OPERATOR command.Heikki Linnakangas2015-07-14
| | | | | Also, the lock on pg_operator should not be released until end of transaction.
* Add ALTER OPERATOR command, for changing selectivity estimator functions.Heikki Linnakangas2015-07-14
| | | | | | | | | Other options cannot be changed, as it's not totally clear if cached plans would need to be invalidated if one of the other options change. Selectivity estimator functions only change plan costs, not correctness of plans, so those should be safe. Original patch by Uriy Zhuravlev, heavily edited by me.
* Allow named parameters to be specified using => in addition to :=Robert Haas2015-03-10
| | | | | | | | | | | | | | | | SQL has standardized on => as the use of to specify named parameters, and we've wanted for many years to support the same syntax ourselves, but this has been complicated by the possible use of => as an operator name. In PostgreSQL 9.0, we began emitting a warning when an operator named => was defined, and in PostgreSQL 9.2, we stopped shipping a =>(text, text) operator as part of hstore. By the time the next major version of PostgreSQL is released, => will have been deprecated for a full five years, so hopefully there won't be too many people still relying on it. We continue to support := for compatibility with previous PostgreSQL releases. Pavel Stehule, reviewed by Petr Jelinek, with a few documentation tweaks by me.
* 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.
* Update copyright for 2014Bruce Momjian2014-01-07
| | | | | Update all files in head, and files COPYRIGHT and legal.sgml in all back branches.
* pgindent run for release 9.3Bruce Momjian2013-05-29
| | | | | This is the first run of the Perl-based pgindent script. Also update pgindent instructions.
* Update copyrights for 2013Bruce Momjian2013-01-01
| | | | | Fully update git head, and update back branches in ./COPYRIGHT and legal.sgml files.
* 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.
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