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* Adjust datetime parsing to be more robust. We now pass the length of theNeil Conway2005-05-26
| | | | | | | | | | | | | | | working buffer into ParseDateTime() and reject too-long input there, rather than checking the length of the input string before calling ParseDateTime(). The old method was bogus because ParseDateTime() can use a variable amount of working space, depending on the content of the input string (e.g. how many fields need to be NUL terminated). This fixes a minor stack overrun -- I don't _think_ it's exploitable, although I won't claim to be an expert. Along the way, fix a bug reported by Mark Dilger: the working buffer allocated by interval_in() was too short, which resulted in rejecting some perfectly valid interval input values. I added a regression test for this fix.
* Translation updatesPeter Eisentraut2005-05-25
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* Fix previous patch to exprTypmod.Tatsuo Ishii2005-05-25
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* Inserting 5 characters into char(10) does not produce 5 padding spacesTatsuo Ishii2005-05-24
| | | | | | if they are two-byte multibyte characters. Same thing can be happen if octet_length(multibyte_chars) == n where n is char(n). Long standing bug since 7.3 days. Per report and fix from Yoshiyuki Asaba.
* Previous fix for "x FULL JOIN y ON true" failed to handle the caseTom Lane2005-05-24
| | | | | | | where there was also a WHERE-clause restriction that applied to the join. The check on restrictlist == NIL is really unnecessary anyway, because select_mergejoin_clauses already checked for and complained about any unmergejoinable join clauses. So just take it out.
* Guard against duplicate IDs in input file in SortTocFromFile().Tom Lane2005-05-17
| | | | Per report from Brian Hackett.
* Update release checklist to reflect that HISTORY and INSTALL don'tTom Lane2005-05-08
| | | | need to be created by hand anymore.
* In Blob.getBytes(long position, int length) position is an offsetKris Jurka2005-05-08
| | | | | | starting at 1, not zero as the driver was previously doing. Thanks to Emmanuel Bernard for the report.
* Repair very-low-probability race condition between relation extensionTom Lane2005-05-07
| | | | | | | | and VACUUM: in the interval between adding a new page to the relation and formatting it, it was possible for VACUUM to come along and decide it should format the page too. Though not harmful in itself, this would cause data loss if a third transaction were able to insert tuples into the vacuumed page before the original extender got control back.
* Adjust time qual checking code so that we always check TransactionIdIsInProgressTom Lane2005-05-07
| | | | | | | before we check commit/abort status. Formerly this was done in some paths but not all, with the result that a transaction might be considered committed for some purposes before it became committed for others. Per example found by Jan Wieck.
* Stamp release 7.4.8.Tom Lane2005-05-05
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* Make standalone backends ignore pg_database.datallowconn, so that thereTom Lane2005-05-05
| | | | is a way to recover from disabling connections to all databases at once.
* Add WSACleanup() for Win32 socket cleanup.Bruce Momjian2005-05-05
| | | | | | Backpatch to 7.4.X. Jason Erickson
* Alter the signature for encoding conversion functions to declare theTom Lane2005-05-03
| | | | | | output area as INTERNAL not CSTRING. This is to prevent people from calling the functions by hand. This is a permanent solution for the back branches but I hope it is just a stopgap for HEAD.
* Change tsearch2 to not use the unsafe practice of creating functionsTom Lane2005-05-03
| | | | | | | | that return INTERNAL without also having INTERNAL arguments. Since the functions in question aren't meant to be called by hand anyway, I just redeclared them to take 'internal' instead of 'text'. Also add code to ProcedureCreate() to enforce the restriction, as I should have done to start with :-(
* GCC 4.0 includes a new warning option, -Wformat-literal, that emitsNeil Conway2005-04-30
| | | | | | | | | | | | | | | a warning when a variable is used as a format string for printf() and similar functions (if the variable is derived from untrusted data, it could include unexpected formatting sequences). This emits too many warnings to be enabled by default, but it does flag a few dubious constructs in the Postgres tree. This patch fixes up the obvious variants: functions that are passed a variable format string but no additional arguments. Most of these are harmless (e.g. the ruleutils stuff), but there is at least one actual bug here: if you create a trigger named "%sfoo", pg_dump will read uninitialized memory and fail to dump the trigger correctly.
* This patch fixes a bug in the error message emitted by pg_restore on anNeil Conway2005-04-30
| | | | | incorrect -F argument: write_msg() expects its first parameter to be a "module name", not the format string.
* Repair two TIME WITH TIME ZONE bugs found by Dennis Vshivkov. ComparisonTom Lane2005-04-23
| | | | | | | of timetz values misbehaved in --enable-integer-datetime cases, and EXTRACT(EPOCH) subtracted the zone instead of adding it in all cases. Backpatch to all supported releases (except --enable-integer-datetime code does not exist in 7.2).
* Release build 216.Kris Jurka2005-04-22
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* Updatable ResultSets need to check for an empty ResultSet becauseKris Jurka2005-04-22
| | | | | | | | | isBeforeFirst and isAfterLast both return false for an empty result so the checking to make sure the user is on a valid row wasn't working. Also don't allow an insert without specifying at least one column value because INSERT INTO tab() values() is a syntax error.
* When moveToCurrentRow is called and the current row is off theKris Jurka2005-04-22
| | | | | | | end of the ResultSet we can't try to load that row because it doesn't exist and will throw an Exception. Reported by Prasanth.
* Don't try to run clauseless index scans on index types that don't supportTom Lane2005-04-20
| | | | it. Per report from Marinos Yannikos.
* Fix mis-display of negative fractional seconds in interval values forTom Lane2005-04-20
| | | | --enable-integer-datetimes case. Per report from Oliver Siegmar.
* When positioned before the start of a ResultSet issuing relative(0)Kris Jurka2005-04-18
| | | | | results in an exception being thrown when it really should be a no-op.
* Don't try to constant-fold functions returning RECORD, since the optimizerTom Lane2005-04-14
| | | | | isn't presently set up to pass them an expected tuple descriptor. Bug has been there since 7.3 but was just recently reported by Thomas Hallgren.
* Make constant-folding produce sane output for COALESCE(NULL,NULL),Tom Lane2005-04-10
| | | | | that is a plain NULL and not a COALESCE with no inputs. Fixes crash reported by Michael Williamson.
* In cost_mergejoin, the early-exit effect should not apply to theTom Lane2005-04-04
| | | | outer side of an outer join. Per andrew@supernews.
* Flush any remaining statistics counts out to the collector at processTom Lane2005-03-31
| | | | | | | | exit. Without this, operations triggered during backend exit (such as temp table deletions) won't be counted ... which given heavy usage of temp tables can lead to pg_autovacuum falling way behind on the need to vacuum pg_class and pg_attribute. Per reports from Steve Crawford and others.
* Prevent to_char(interval) from dumping core on month-related formatsTom Lane2005-03-26
| | | | when a zero-month interval is given. Per discussion with Karel.
* array_map can't use the fn_extra field of the provided fcinfo struct asTom Lane2005-03-24
| | | | | its private storage, because that belongs to the function that it is supposed to call. Per report from Ezequiel Tolnay.
* Fix ALTER DATABASE RENAME to allow the operation if user is a superuserTom Lane2005-03-12
| | | | | who for some reason isn't marked usecreatedb. Per report from Alexander Pravking. Also fix sloppy coding in have_createdb_privilege().
* Release proclock immediately in RemoveFromWaitQueue() if it representsTom Lane2005-03-01
| | | | | | no held locks. This maintains the invariant that proclocks are present only for procs that are holding or awaiting a lock; when this is not true, LockRelease will fail. Per report from Stephen Clouse.
* Ensure that the resolved datatype of any unknown Param is propagatedTom Lane2005-02-19
| | | | | into the sub-SELECT targetlist when it appears in the context INSERT INTO foo SELECT $1 ... Per report from Abhijit Menon-Sen.
* ALTER LANGUAGE RENAME has never worked. Per Sergey Yatskevich.Tom Lane2005-02-14
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* Back-patch fix for a typo that unintentionally disabled backward scansTom Lane2005-02-10
| | | | for all SPI-created cursors.
* If we're gonna check for array overrun, we really should do so beforeTom Lane2005-02-08
| | | | overrunning the array, not after.
* Prevent 4 more buffer overruns in the PL/PgSQL parser. This is just aNeil Conway2005-02-07
| | | | | minimally-invasive fix for stable branches; a cleaner fix will be committed to HEAD soon.
* Repair CLUSTER failure after ALTER TABLE SET WITHOUT OIDS. Turns outTom Lane2005-02-06
| | | | | | | there are corner cases involving dropping toasted columns in which the previous coding would fail, too: the new version of the table might not have any TOAST table, but we'd still propagate possibly-wide values of dropped columns forward.
* Back-port heap_deformtuple() into 7.4 branch; needed for planned fix forTom Lane2005-02-06
| | | | CLUSTER failure after ALTER TABLE SET WITHOUT OIDS.
* Stamp release 7.4.7.Tom Lane2005-01-30
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* Check that aggregate creator has the right to execute the transitionTom Lane2005-01-27
| | | | functions of the aggregate, at both aggregate creation and execution times.
* Back-patch 8.0 version of plperl_hash_from_tuple() into prior releasesTom Lane2005-01-26
| | | | | to fix failure to cope with quote marks in field values; not to mention that it is shorter and faster. Per report from Charles Haron.
* Disallow LOAD to non-superusers. Per report from John Heasman.Tom Lane2005-01-24
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* Fix memory leak in rtdosplit, per report from Clive Page.Tom Lane2005-01-24
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* The result of a FULL or RIGHT join can't be assumed to be sorted by theTom Lane2005-01-23
| | | | | left input's sorting, because null rows may be inserted at various points. Per report from Ferenc Lutischá¸n.
* Prevent overrunning a heap-allocated buffer if more than 1024 parametersNeil Conway2005-01-21
| | | | | | to a refcursor declaration are specified. This is a minimally-invasive fix for the buffer overrun -- a more thorough cleanup will be checked into HEAD.
* Fix mapping infinite timestamp values to arbitrary dates.Kris Jurka2005-01-13
| | | | Report from Oliver Siegmar.
* interval_out failed to mention 'ago' for negative intervals in SQL andTom Lane2005-01-11
| | | | GERMAN datestyles. Ancient bug reported by Terry Lee Tucker.
* Avoid memory leakage during VACUUM FULL when an index expression orTom Lane2004-12-23
| | | | | index predicate uses temporary memory for evaluation. Per example from Jean-Gerard Pailloncy.
* Make array_cat more paranoid about checking datatypes in empty arrays.Tom Lane2004-12-17
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