summaryrefslogtreecommitdiff
path: root/src/backend/commands/aggregatecmds.c
AgeCommit message (Collapse)Author
2006-10-04pgindent run for 8.2.Bruce Momjian
2006-10-03Make some sentences consistent with similar ones.Bruce Momjian
Euler Taveira de Oliveira
2006-09-25Fix notice message from DROP FUNCTION IF EXISTS, and improve messageTom Lane
for DROP AGGREGATE IF EXISTS. Per report from Teodor.
2006-07-27Aggregate functions now support multiple input arguments. I also tookTom Lane
the opportunity to treat COUNT(*) as a zero-argument aggregate instead of the old hack that equated it to COUNT(1); this is materially cleaner (no more weird ANYOID cases) and ought to be at least a tiny bit faster. Original patch by Sergey Koposov; review, documentation, simple regression tests, pg_dump and psql support by moi.
2006-07-14Remove 576 references of include files that were not needed.Bruce Momjian
2006-06-16Fix a couple of obvious problems in DROP IF EXISTS patch.Tom Lane
2006-06-16DROP ... IF EXISTS for the following cases:Andrew Dunstan
language, tablespace, trigger, rule, opclass, function, aggregate. operator, and cast.
2006-04-15Support the syntaxTom Lane
CREATE AGGREGATE aggname (input_type) (parameter_list) along with the old syntax where the input type was named in the parameter list. This fits more naturally with the way that the aggregate is identified in DROP AGGREGATE and other utility commands; furthermore it has a natural extension to handle multiple-input aggregates, where the basetype-parameter method would get ugly. In fact, this commit fixes the grammar and all the utility commands to support multiple-input aggregates; but DefineAggregate rejects it because the executor isn't fixed yet. I didn't do anything about treating agg(*) as a zero-input aggregate instead of artificially making it a one-input aggregate, but that should be considered in combination with supporting multi-input aggregates.
2006-03-14Improve parser so that we can show an error cursor position for errorsTom Lane
during parse analysis, not only errors detected in the flex/bison stages. This is per my earlier proposal. This commit includes all the basic infrastructure, but locations are only tracked and reported for errors involving column references, function calls, and operators. More could be done later but this seems like a good set to start with. I've also moved the ReportSyntaxErrorPosition logic out of psql and into libpq, which should make it available to more people --- even within psql this is an improvement because warnings weren't handled by ReportSyntaxErrorPosition.
2006-03-05Update copyright for 2006. Update scripts.Bruce Momjian
2005-11-22Re-run pgindent, fixing a problem where comment lines after a blankBruce Momjian
comment line where output as too long, and update typedefs for /lib directory. Also fix case where identifiers were used as variable names in the backend, but as typedefs in ecpg (favor the backend for indenting). Backpatch to 8.1.X.
2005-10-15Standard pgindent run for 8.1.Bruce Momjian
2005-08-22Fix unwanted denial of ALTER OWNER rights to superusers. There was someTom Lane
discussion of getting around this by relaxing the checks made for regular users, but I'm disinclined to toy with the security model right now, so just special-case it for superusers where needed.
2005-07-14Adjust permissions checking for ALTER OWNER commands: instead ofTom Lane
requiring superuserness always, allow an owner to reassign ownership to any role he is a member of, if that role would have the right to create a similar object. These three requirements essentially state that the would-be alterer has enough privilege to DROP the existing object and then re-CREATE it as the new role; so we might as well let him do it in one step. The ALTER TABLESPACE case is a bit squirrely, but the whole concept of non-superuser tablespace owners is pretty dubious anyway. Stephen Frost, code review by Tom Lane.
2005-06-28Replace pg_shadow and pg_group by new role-capable catalogs pg_authidTom Lane
and pg_auth_members. There are still many loose ends to finish in this patch (no documentation, no regression tests, no pg_dump support for instance). But I'm going to commit it now anyway so that Alvaro can make some progress on shared dependencies. The catalog changes should be pretty much done.
2005-04-14Completion of project to use fixed OIDs for all system catalogs andTom Lane
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 ...
2005-04-14First phase of project to use fixed OIDs for all system catalogs andTom Lane
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.
2005-04-12Add aggsortop column to pg_aggregate, so that MIN/MAX optimization canTom Lane
be supported for all datatypes. Add CREATE AGGREGATE and pg_dump support too. Add specialized min/max aggregates for bpchar, instead of depending on text's min/max, because otherwise the possible use of bpchar indexes cannot be recognized. initdb forced because of catalog changes.
2005-03-29Convert oidvector and int2vector into variable-length arrays. ThisTom Lane
change saves a great deal of space in pg_proc and its primary index, and it eliminates the former requirement that INDEX_MAX_KEYS and FUNC_MAX_ARGS have the same value. INDEX_MAX_KEYS is still embedded in the on-disk representation (because it affects index tuple header size), but FUNC_MAX_ARGS is not. I believe it would now be possible to increase FUNC_MAX_ARGS at little cost, but haven't experimented yet. There are still a lot of vestigial references to FUNC_MAX_ARGS, which I will clean up in a separate pass. However, getting rid of it altogether would require changing the FunctionCallInfoData struct, and I'm not sure I want to buy into that.
2004-12-31Tag appropriate files for rc3PostgreSQL Daemon
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 ...
2004-08-29Pgindent run for 8.0.Bruce Momjian
2004-08-29Update copyright to 2004.Bruce Momjian
2004-06-25Support renaming of tablespaces, and changing the owners ofTom Lane
aggregates, conversions, functions, operators, operator classes, schemas, types, and tablespaces. Fold the existing implementations of alter domain owner and alter database owner in with these. Christopher Kings-Lynne
2004-05-26Reimplement the linked list data structure used throughout the backend.Neil Conway
In the past, we used a 'Lispy' linked list implementation: a "list" was merely a pointer to the head node of the list. The problem with that design is that it makes lappend() and length() linear time. This patch fixes that problem (and others) by maintaining a count of the list length and a pointer to the tail node along with each head node pointer. A "list" is now a pointer to a structure containing some meta-data about the list; the head and tail pointers in that structure refer to ListCell structures that maintain the actual linked list of nodes. The function names of the list API have also been changed to, I hope, be more logically consistent. By default, the old function names are still available; they will be disabled-by-default once the rest of the tree has been updated to use the new API names.
2004-05-07Solve the 'Turkish problem' with undesirable locale behavior for caseTom Lane
conversion of basic ASCII letters. Remove all uses of strcasecmp and strncasecmp in favor of new functions pg_strcasecmp and pg_strncasecmp; remove most but not all direct uses of toupper and tolower in favor of pg_toupper and pg_tolower. These functions use the same notions of case folding already developed for identifier case conversion. I left the straight locale-based folding in place for situations where we are just manipulating user data and not trying to match it to built-in strings --- for example, the SQL upper() function is still locale dependent. Perhaps this will prove not to be what's wanted, but at the moment we can initdb and pass regression tests in Turkish locale.
2003-11-29$Header: -> $PostgreSQL Changes ...PostgreSQL Daemon
2003-09-25Message editing: remove gratuitous variations in message wording, standardizePeter Eisentraut
terms, add some clarifications, fix some untranslatable attempts at dynamic message building.
2003-08-04Update copyrights to 2003.Bruce Momjian
2003-08-04pgindent run.Bruce Momjian
2003-08-01Adjust 'permission denied' messages to be more useful and consistent.Tom Lane
2003-07-20Another round of error message editing, covering backend/commands/.Tom Lane
2003-07-04Some early work on error message editing. Operator-not-found andTom Lane
function-not-found messages now distinguish the cases no-match and ambiguous-match, and they follow the style guidelines too.
2003-07-01Aggregates can be polymorphic, using polymorphic implementation functions.Tom Lane
It also works to create a non-polymorphic aggregate from polymorphic functions, should you want to do that. Regression test added, docs still lacking. By Joe Conway, with some kibitzing from Tom Lane.
2003-06-27First batch of object rename commands.Peter Eisentraut
2003-06-25Back out array mega-patch.Bruce Momjian
Joe Conway
2003-06-24Array mega-patch.Bruce Momjian
Joe Conway
2002-09-04pgindent run.Bruce Momjian
2002-08-22Add a bunch of pseudo-types to replace the behavior formerly associatedTom Lane
with OPAQUE, as per recent pghackers discussion. I still want to do some more work on the 'cstring' pseudo-type, but I'm going to commit the bulk of the changes now before the tree starts shifting under me ...
2002-07-12Second phase of committing Rod Taylor's pg_depend/pg_constraint patch.Tom Lane
pg_relcheck is gone; CHECK, UNIQUE, PRIMARY KEY, and FOREIGN KEY constraints all have real live entries in pg_constraint. pg_depend exists, and RESTRICT/CASCADE options work on most kinds of DROP; however, pg_depend is not yet very well populated with dependencies. (Most of the ones that are present at this point just replace formerly hardwired associations, such as the implicit drop of a relation's pg_type entry when the relation is dropped.) Need to add more logic to create dependency entries, improve pg_dump to dump constraints in place of indexes and triggers, and add some regression tests.
2002-04-27Restructure aclcheck error reporting to make permission-failureTom Lane
messages more uniform and internationalizable: the global array aclcheck_error_strings[] is gone in favor of a subroutine aclcheck_error(). Partial implementation of namespace-related permission checks --- not all done yet.
2002-04-15The contents of command.c, creatinh.c, define.c, remove.c and rename.cTom Lane
have been divided according to the type of object manipulated - so ALTER TABLE code is in tablecmds.c, aggregate commands in aggregatecmds.c and so on. A few common support routines remain in define.c (prototypes in src/include/commands/defrem.h). No code has been changed except for includes to reflect the new files. The prototypes for aggregatecmds.c, functioncmds.c, operatorcmds.c, and typecmds.c remain in src/include/commands/defrem.h. From John Gray <jgray@azuli.co.uk>