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* Fix bogus Assert, per buildfarm results.Tom Lane2009-09-30
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* Assorted improvements in contrib/hstore.Tom Lane2009-09-30
| | | | | | | | | | Remove the 64K limit on the lengths of keys and values within an hstore. (This changes the on-disk format, but the old format can still be read.) Add support for btree/hash opclasses for hstore --- this is not so much for actual indexing purposes as to allow use of GROUP BY, DISTINCT, etc. Add various other new functions and operators. Andrew Gierth
* Add tooltips to the header links, and make title a link to the home pagePeter Eisentraut2009-09-29
| | | | based on an idea by Richard Huxton
* Allow MOVE FORWARD n, MOVE BACKWARD n, MOVE FORWARD ALL, MOVE BACKWARD ALLTom Lane2009-09-29
| | | | | | in plpgsql. Clean up a couple of corner cases in the MOVE/FETCH syntax. Pavel Stehule
* Fix equivclass.c's not-quite-right strategy for handling X=X clauses.Tom Lane2009-09-29
| | | | | | | | | | | | | The original coding correctly noted that these aren't just redundancies (they're effectively X IS NOT NULL, assuming = is strict). However, they got treated that way if X happened to be in a single-member EquivalenceClass already, which could happen if there was an ORDER BY X clause, for instance. The simplest and most reliable solution seems to be to not try to process such clauses through the EquivalenceClass machinery; just throw them back for traditional processing. The amount of work that'd be needed to be smarter than that seems out of proportion to the benefit. Per bug #5084 from Bernt Marius Johnsen, and analysis by Andrew Gierth.
* Convert a perl array to a postgres array when returned by Set Returning ↵Andrew Dunstan2009-09-28
| | | | Functions as well as non SRFs. Backpatch to 8.1 where these facilities were introduced. with a little help from Abhijit Menon-Sen.
* Added some explanation about how the parser is generated, taken from an email byMichael Meskes2009-09-28
| | | | Zoltan Boszormenyi <zb@cybertec.at>.
* Remove no-longer-needed ExecCountSlots infrastructure.Tom Lane2009-09-27
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* Replace the array-style TupleTable data structure with a simple List ofTom Lane2009-09-27
| | | | | | | | | | | TupleTableSlot nodes. This eliminates the need to count in advance how many Slots will be needed, which seems more than worth the small increase in the amount of palloc traffic during executor startup. The ExecCountSlots infrastructure is now all dead code, but I'll remove it in a separate commit for clarity. Per a comment from Robert Haas.
* Make libpq reject non-numeric and out-of-range port numbers with a suitableTom Lane2009-09-27
| | | | | | error message, rather than blundering on and failing with something opaque. Sam Mason
* Sync psql's scanner with recent changes in backend scanner's flex rules.Tom Lane2009-09-27
| | | | Marko Kreen, Tom Lane
* Ooops, fix to Genbki.pm for ROWTYPE_OID wasn't quite right. Also, make a fewTom Lane2009-09-27
| | | | spacing tweaks so it produces exactly the same output as genbki.sh.
* Simplify the bootstrap (BKI) code by getting rid of a useless table of allTom Lane2009-09-27
| | | | | | | | | | | | the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
* Hmm, seems a lot of the buildfarm is running versions of awk thatTom Lane2009-09-26
| | | | don't have gensub(). Use sub() instead, tedious though it be.
* Revert my ill-considered change that made formrdesc not insert the correctTom Lane2009-09-26
| | | | | | | | relation rowtype OID into the relcache entries it builds. This ensures that catcache copies of the relation tupdescs will be fully correct. While the deficiency doesn't seem to have any effect in the current sources, we have been bitten by not-quite-right catcache tupdescs before, so it seems like a good idea to maintain the rule that they should be right.
* Extend the BKI infrastructure to allow system catalogs to be givenTom Lane2009-09-26
| | | | | | | | | | | | hand-assigned rowtype OIDs, even when they are not "bootstrapped" catalogs that have handmade type rows in pg_type.h. Give pg_database such an OID. Restore the availability of C macros for the rowtype OIDs of the bootstrapped catalogs. (These macros are now in the individual catalogs' .h files, though, not in pg_type.h.) This commit doesn't do anything especially useful by itself, but it's necessary infrastructure for reverting some ill-considered changes in relcache.c.
* Fix RelationCacheInitializePhase2 (Phase3, in HEAD) to cope with theTom Lane2009-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | possibility of shared-inval messages causing a relcache flush while it tries to fill in missing data in preloaded relcache entries. There are actually two distinct failure modes here: 1. The flush could delete the next-to-be-processed cache entry, causing the subsequent hash_seq_search calls to go off into the weeds. This is the problem reported by Michael Brown, and I believe it also accounts for bug #5074. The simplest fix is to restart the hashtable scan after we've read any new data from the catalogs. It appears that pre-8.4 branches have not suffered from this failure, because by chance there were no other catalogs sharing the same hash chains with the catalogs that RelationCacheInitializePhase2 had work to do for. However that's obviously pretty fragile, and it seems possible that derivative versions with additional system catalogs might be vulnerable, so I'm back-patching this part of the fix anyway. 2. The flush could delete the *current* cache entry, in which case the pointer to the newly-loaded data would end up being stored into an already-deleted Relation struct. As long as it was still deleted, the only consequence would be some leaked space in CacheMemoryContext. But it seems possible that the Relation struct could already have been recycled, in which case this represents a hard-to-reproduce clobber of cached data structures, with unforeseeable consequences. The fix here is to pin the entry while we work on it. In passing, also change RelationCacheInitializePhase2 to Assert that formrdesc() set up the relation's cached TupleDesc (rd_att) with the correct type OID and hasoids values. This is more appropriate than silently updating the values, because the original tupdesc might already have been copied into the catcache. However this part of the patch is not in HEAD because it fails due to some questionable recent changes in formrdesc :-(. That will be cleaned up in a subsequent patch.
* Prevent isolated second surrogate in U& syntaxPeter Eisentraut2009-09-25
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* Remove backup states from Unicode escapes patchPeter Eisentraut2009-09-25
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* Improve example for DO, per Petr Jelinek.Tom Lane2009-09-23
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* Unicode escapes in E'...' stringsPeter Eisentraut2009-09-22
| | | | Author: Marko Kreen <markokr@gmail.com>
* 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
* Fix crash if a DROP is attempted on an internally-dependent object.Tom Lane2009-09-22
| | | | | Introduced in 8.4 rewrite of dependency.c. Per bug #5072 from Amit Khandekar.
* Surrogate pair support for U& string and identifier syntaxPeter Eisentraut2009-09-21
| | | | | This is mainly to make the functionality consistent with the proposed \u escape syntax.
* fsync test filesBruce Momjian2009-09-21
| | | | | Prevent creation of 16GB files during fsync testing; only create 16MB files; backpatch to 8.4.X.
* Define a new, more extensible syntax for COPY options.Tom Lane2009-09-21
| | | | | | | | | This is intentionally similar to the recently revised syntax for EXPLAIN options, ie, (name value, ...). The old syntax is still supported for backwards compatibility, but we intend that any options added in future will be provided only in the new syntax. Robert Haas, Emmanuel Cecchet
* Allow plpgsql IN parameters to be assigned to. Since the parameters are justTom Lane2009-09-20
| | | | | | | | | | | | preinitialized local variables, this does not affect the function's semantics as seen by callers; allowing assignment simply avoids the need to create more local variables in some cases. In any case we were being rather inconsistent since only scalar parameters were getting marked constant. No documentation change, since parameters were never documented as being marked constant anyway. Steve Prentice
* Remove a couple hundred lines of ugly and tedious-to-maintain code by notTom Lane2009-09-19
| | | | | | | trying to parse COPY options exactly in psql's \copy support. Instead, just send the options as-is and let the backend sort it out. Emmanuel Cecchet
* sql_help.c needs to be cvsignore'd.Tom Lane2009-09-19
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* Rename new subroutine, per discussion with Robert Haas.Tom Lane2009-09-19
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* Make the placeholder naming in the synopses of the SQL help more consistentPeter Eisentraut2009-09-19
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* Fix MSVC build breakage from psql help changes. Per Josh Williams.Andrew Dunstan2009-09-19
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* A bit more wordsmithing on the COPY CSV NULL business.Tom Lane2009-09-18
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* Marginal code cleanup in joinpath.c: factor out clause variable-membershipTom Lane2009-09-18
| | | | | tests into a small common subroutine, and eliminate an unnecessary difference in the order in which conditions are tested. Per a comment from Robert Haas.
* Fix incorrect arguments for gist_box_penalty call. The bug could be observedTeodor Sigaev2009-09-18
| | | | | | only for secondary page split (i.e. for non-first columns of index) Patch by Paul Ramsey <pramsey@opengeo.org>
* Added patch by Bernd Helmle <bernd.helmle@credativ.de> that adds a low levelMichael Meskes2009-09-18
| | | | function that returns the current transaction status.
* Easier to translate psql helpPeter Eisentraut2009-09-18
| | | | | | | | | | | Instead of requiring translators to translate the entire SQL command synopses, change create_help.pl to only require them to translate the placeholders, and paste those into the synopsis using a printf mechanism. Make some small updates to the markup to make it easier to parse. Note: This causes msgmerge of gettext 0.17 to segfault. You will need the patch from https://savannah.gnu.org/bugs/?27474 to make it work. msgmerge usually only runs on babel.postgresql.org, however.
* CSV NULL DocumentationBruce Momjian2009-09-17
| | | | | | Update docs to clearly explain NULL value matching behavior, per Andrew. Backpatch to 8.4.X.
* Improve wording of error message when a postgresql.conf setting isPeter Eisentraut2009-09-17
| | | | | ignored because it can only be set at server start. In particular, hiding the main reason in the detail message was suboptimal.
* CVS NULL DocumentationBruce Momjian2009-09-17
| | | | | | | Clearify documentation of CVS's output of NULL values, per suggestion from Magnus. Backpatch to 8.4.X.
* When reloading postgresql.conf, log what parameters actually changedPeter Eisentraut2009-09-17
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* Implement "join removal" for cases where the inner side of a left joinTom Lane2009-09-17
| | | | | | | | | | | | | | is unique and is not referenced above the join. In this case the inner side doesn't affect the query result and can be thrown away entirely. Although perhaps nobody would ever write such a thing by hand, it's a reasonably common case in machine-generated SQL. The current implementation only recognizes the case where the inner side is a simple relation with a unique index matching the query conditions. This is enough for the use-cases that have been shown so far, but we might want to try to handle other cases later. Robert Haas, somewhat rewritten by Tom
* errcontext support in PL/PerlPeter Eisentraut2009-09-16
| | | | Author: Alexey Klyukin <alexk@commandprompt.com>
* Fix two distinct errors in creation of GIN_INSERT_LISTPAGE xlog records.Tom Lane2009-09-15
| | | | | | | | | | | | | | | | | In practice these mistakes were always masked when full_page_writes was on, because XLogInsert would always choose to log the full page, and then ginRedoInsertListPage wouldn't try to do anything. But with full_page_writes off a WAL replay failure was certain. The GIN_INSERT_LISTPAGE record type could probably be eliminated entirely in favor of using XLOG_HEAP_NEWPAGE, but I refrained from doing that now since it would have required a significantly more invasive patch. In passing do a little bit of code cleanup, including making the accounting for free space on GIN list pages more precise. (This wasn't a bug as the errors were always in the conservative direction.) Per report from Simon. Back-patch to 8.4 which contains the identical code.
* Applied patch by Boszormenyi Zoltan <zb@cybertec.at> to add missing ";" to ↵Michael Meskes2009-09-15
| | | | rule in pgc.l.
* Fix possible buffer overrun and/or unportable behavior in pg_md5_encrypt()Tom Lane2009-09-15
| | | | | | | if salt_len == 0. This seems to be mostly academic, since nearly all calling code paths guarantee nonempty salt; the only case that doesn't is PQencryptPassword where the caller could mistakenly pass an empty username. So, fix it but don't bother backpatching. Per ljb.
* Print builds don't actually depend on html target (anymore).Peter Eisentraut2009-09-14
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* Write psql's ~/.psql_history file using history_truncate_file() andTom Lane2009-09-13
| | | | | | | | | | append_history(), if libreadline is new enough to have those functions (they seem to be present at least since 4.2; but libedit may not have them). This gives significantly saner behavior when two or more sessions overlap in their use of the history file; although having two sessions exit at just the same time is still perilous to your history. The behavior of \s remains unchanged, ie, overwrite whatever was there. Per bug #5052 from Marek Wójtowicz.
* Fix Unicode support in PL/PythonPeter Eisentraut2009-09-13
| | | | | | | | | | Check calls of PyUnicode_AsEncodedString() for NULL return, probably because the encoding name is not known. Add special treatment for SQL_ASCII, which Python definitely does not know. Since using SQL_ASCII produces errors in the regression tests when non-ASCII characters are involved, we have to put back various regression test result variants.
* Document that autovacuum_max_workers can only be set at server startPeter Eisentraut2009-09-13
| | | | per Joshua Tolley
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