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2009-10-16Rewrite pam_passwd_conv_proc to be more robust: avoid assuming that theTom Lane
pam_message array contains exactly one PAM_PROMPT_ECHO_OFF message. Instead, deal with however many messages there are, and don't throw error for PAM_ERROR_MSG and PAM_TEXT_INFO messages. This logic is borrowed from openssh 5.2p1, which hopefully has seen more real-world PAM usage than we have. Per bug #5121 from Ryan Douglas, which turned out to be caused by the conv_proc being called with zero messages. Apparently that is normal behavior given the combination of Linux pam_krb5 with MS Active Directory as the domain controller. Patch all the way back, since this code has been essentially untouched since 7.4. (Surprising we've not heard complaints before.)
2009-10-16FREEZE and VERBOSE options were in wrong order in the VACUUM command thatHeikki Linnakangas
vacuumdb produces. Per report by Thom Brown.
2009-10-15First committed version of plpython_unicode_0.out did not actually contain theTom Lane
required \200 bytes. Let's see if this commit works, or if CVS is messing it up.
2009-10-15Made ECPG more robust against applications freeing strings, based onMichael Meskes
patch send in by Boszormenyi Zoltan <zb@cybertec.at>.
2009-10-14Avoid using trivial usernames in foreign_data regression test.Alvaro Herrera
Author: Martin Pihlak
2009-10-14Support SQL-compliant triggers on columns, ie fire only if certain columnsTom Lane
are named in the UPDATE's SET list. Note: the schema of pg_trigger has not actually changed; we've just started to use a column that was there all along. catversion bumped anyway so that this commit is included in the history of potentially interesting changes to system catalog contents. Itagaki Takahiro
2009-10-14Rename the new MAX_AUTH_TOKEN_LENGTH #define to PG_MAX_AUTH_MAX_TOKEN_LENGTH,Heikki Linnakangas
to make it more obvious that it's a PostgreSQL internal limit, not something that comes from system header files.
2009-10-14In the configure check for the Python distutils module, use a less obscurePeter Eisentraut
shell construct to hide away the stderr output. Python 3.1 actually core dumps on the current invocation (http://bugs.python.org/issue7111), but the new version also has the more general advantage of saving the error message in config.log for analysis.
2009-10-14Add alternative expected file for unicode test for client encoding not UTF8Peter Eisentraut
2009-10-14Raise the maximum authentication token (Kerberos ticket) size in GSSAPIHeikki Linnakangas
and SSPI athentication methods. While the old 2000 byte limit was more than enough for Unix Kerberos implementations, tickets issued by Windows Domain Controllers can be much larger. Ian Turner
2009-10-13Replace unmatched " by &quot; to avoid throwing off syntax highlighters.Peter Eisentraut
2009-10-13Add "\pset linestyle ascii/unicode" option to psql, allowing our traditionalTom Lane
ASCII-art style of table output to be upgraded to use Unicode box drawing characters if desired. By default, psql will use the Unicode characters whenever client_encoding is UTF8. The patch forces linestyle=ascii in pg_regress usage, ensuring we don't break the regression tests in Unicode locales. Roger Leigh
2009-10-13Fix ts_stat's failure on empty tsvector.Tom Lane
Also insert a couple of Asserts that check for stack overflow. Bogus coding appears to be new in 8.4 --- older releases had a much simpler algorithm here. Per bug #5111.
2009-10-13Add new PGC_S_DATABASE_USER enum value to several places missed by my patchAlvaro Herrera
last week. Per note and patch from Jeff Davis.
2009-10-13Code review for LIKE INCLUDING patch --- clean up some cosmetic and notTom Lane
so cosmetic stuff.
2009-10-12Use plurals (TABLES, FUNCTIONS, etc) in ALTER DEFAULT PRIVILEGES. We haveTom Lane
the keywords as a consequence of the GRANT ALL patch, so we might as well use them and make the ALTER commands read more naturally.
2009-10-12Support GRANT/REVOKE ON ALL TABLES/SEQUENCES/FUNCTIONS IN SCHEMA.Tom Lane
Petr Jelinek
2009-10-12CREATE LIKE INCLUDING COMMENTS and STORAGE, and INCLUDING ALL shortcut. ↵Andrew Dunstan
Itagaki Takahiro.
2009-10-12Move the handling of SELECT FOR UPDATE locking and rechecking out ofTom Lane
execMain.c and into a new plan node type LockRows. Like the recent change to put table updating into a ModifyTable plan node, this increases planning flexibility by allowing the operations to occur below the top level of the plan tree. It's necessary in any case to restore the previous behavior of having FOR UPDATE locking occur before ModifyTable does. This partially refactors EvalPlanQual to allow multiple rows-under-test to be inserted into the EPQ machinery before starting an EPQ test query. That isn't sufficient to fix EPQ's general bogosity in the face of plans that return multiple rows per test row, though. Since this patch is mostly about getting some plan node infrastructure in place and not about fixing ten-year-old bugs, I will leave EPQ improvements for another day. Another behavioral change that we could now think about is doing FOR UPDATE before LIMIT, but that too seems like it should be treated as a followon patch.
2009-10-10Improve similar_escape() in two different ways:Tom Lane
* Stop escaping ? and {. As of SQL:2008, SIMILAR TO is defined to have POSIX-compatible interpretation of ? as well as {m,n} and related constructs, so we should allow these things through to our regex engine. * Escape ^ and $. It appears that our regex engine will treat ^^ at the beginning of the string the same as ^, and similarly for $$ at the end of the string, which meant that SIMILAR TO was effectively ignoring ^ at the start of the pattern and $ at the end. Since these are not supposed to be metacharacters, this is a bug. The second part of this is arguably a back-patchable bug fix, but I'm hesitant to do that because it might break applications that are expecting something like "col SIMILAR TO '^foo$'" to work like a POSIX pattern. Seems safer to only change it at a major version boundary. Per discussion of an example from Doug Gorley.
2009-10-10Split the processing of INSERT/UPDATE/DELETE operations out of execMain.c.Tom Lane
They are now handled by a new plan node type called ModifyTable, which is placed at the top of the plan tree. In itself this change doesn't do much, except perhaps make the handling of RETURNING lists and inherited UPDATEs a tad less klugy. But it is necessary preparation for the intended extension of allowing RETURNING queries inside WITH. Marko Tiikkaja
2009-10-09Use pg_get_triggerdef in pg_dumpPeter Eisentraut
Add a variant of pg_get_triggerdef with a second argument "pretty" that causes the output to be formatted in the way pg_dump used to do. Use this variant in pg_dump with server versions >= 8.5. This insulates pg_dump from most future trigger feature additions, such as the upcoming column triggers patch. Author: Itagaki Takahiro <itagaki.takahiro@oss.ntt.co.jp>
2009-10-08Remove very ancient tuple-counting infrastructure (IncrRetrieved() andTom Lane
friends). This code has all been ifdef'd out for many years, and doesn't seem to have any prospect of becoming any more useful in the future. EXPLAIN ANALYZE is what people use in practice, and I think if we did want process-wide counters we'd be more likely to put in dtrace events for that than try to resurrect this code. Get rid of it so as to have one less detail to worry about while refactoring execMain.c.
2009-10-08Add the new psql command \drds to the psql docs, help and tab completion.Alvaro Herrera
I also thank Bernd Helmle for the documentation help on the previous settings patch, which I forgot on the commit message.
2009-10-08Fix off-by-one bug in bitncmp(): When comparing a number of bits divisible byHeikki Linnakangas
8, bitncmp() may dereference a pointer one byte out of bounds. Chris Mikkelson (bug #5101)
2009-10-08Update plhandler.sgml to describe validators and inline handlers forTom Lane
procedural languages.
2009-10-08Support use of function argument names to identify which actual argumentsTom Lane
match which function parameters. The syntax uses AS, for example funcname(value AS arg1, anothervalue AS arg2) Pavel Stehule
2009-10-07Make it possibly to specify GUC params per user and per database.Alvaro Herrera
Create a new catalog pg_db_role_setting where they are now stored, and better encapsulate the code that deals with settings into its realm. The old datconfig and rolconfig columns are removed. psql has gained a \drds command to display the settings. Backwards compatibility warning: while the backwards-compatible system views still have the config columns, they no longer completely represent the configuration for a user or database. Catalog version bumped.
2009-10-07Fix snapshot management, take two.Alvaro Herrera
Partially revert the previous patch I installed and replace it with a more general fix: any time a snapshot is pushed as Active, we need to ensure that it will not be modified in the future. This means that if the same snapshot is used as CurrentSnapshot, it needs to be copied separately. This affects serializable transactions only, because CurrentSnapshot has already been copied by RegisterSnapshot and so PushActiveSnapshot does not think it needs another copy. However, CommandCounterIncrement would modify CurrentSnapshot, whereas ActiveSnapshots must not have their command counters incremented. I say "partially" because the regression test I added for the previous bug has been kept. (This restores 8.3 behavior, because before snapmgr.c existed, any snapshot set as Active was copied.) Per bug report from Stuart Bishop in 6bc73d4c0910042358k3d1adff3qa36f8df75198ecea@mail.gmail.com
2009-10-06Clean up the clean rules of the documentationPeter Eisentraut
Most things should be cleaned by "make clean", except the parts that are shipped in the tarball. These rules had gotten a bit out of whack after the various restructurings of the documentation build rules.
2009-10-06Change CREATE TABLE so that column default expressions coming from differentTom Lane
inheritance parent tables are compared using equal(), instead of doing strcmp() on the nodeToString representation. The old implementation was always a tad cheesy, and it finally fails completely as of 8.4, now that the node tree might contain syntax location information. equal() knows it's supposed to ignore those fields, but strcmp() hardly can. Per recent report from Scott Ribe.
2009-10-06Really unbreak maintainer-clean.Alvaro Herrera
(Or rather, unbreak what the previous commit broke)
2009-10-05Unbreak doc/src/sgml maintainer-clean rule on VPATH builds.Alvaro Herrera
2009-10-05Create an ALTER DEFAULT PRIVILEGES command, which allows users to adjustTom Lane
the privileges that will be applied to subsequently-created objects. Such adjustments are always per owning role, and can be restricted to objects created in particular schemas too. A notable benefit is that users can override the traditional default privilege settings, eg, the PUBLIC EXECUTE privilege traditionally granted by default for functions. Petr Jelinek
2009-10-03Document the purpose of the GUC listen_addresses.Bruce Momjian
2009-10-03Fix assorted memory leaks in pg_hba.conf parsing. Over a sufficientlyTom Lane
large number of SIGHUP cycles, these would have run the postmaster out of memory. Noted while testing memory-leak scenario in postgresql.conf configuration-change-printing patch.
2009-10-03Fix a couple of issues in recent patch to print updates to postgresql.confTom Lane
settings: avoid calling superuser() in contexts where it's not defined, don't leak the transient copies of GetConfigOption output, and avoid the whole exercise in postmaster child processes. I found that actually no current caller of GetConfigOption has any use for its internal check of GUC_SUPERUSER_ONLY. But rather than just remove that entirely, it seemed better to add a parameter indicating whether to enforce the check. Per report from Simon and subsequent testing.
2009-10-02Fix an oversight in an 8.3-era patch: pgstat_initstats should allow statsTom Lane
to be collected for sequences. Report and fix by Akira Kurosawa
2009-10-02Make sure that GIN fast-insert and regular code paths enforce the sameTom Lane
tuple size limit. Improve the error message for index-tuple-too-large so that it includes the actual size, the limit, and the index name. Sync with the btree occurrences of the same error. Back-patch to 8.4 because it appears that the out-of-sync problem is occurring in the field. Teodor and Tom
2009-10-02Fix erroneous handling of shared dependencies (ie dependencies on roles)Tom Lane
in CREATE OR REPLACE FUNCTION. The original code would update pg_shdepend as if a new function was being created, even if it wasn't, with two bad consequences: pg_shdepend might record the wrong owner for the function, and any dependencies for roles mentioned in the function's ACL would be lost. The fix is very easy: just don't touch pg_shdepend at all when doing a function replacement. Also update the CREATE FUNCTION reference page, which never explained exactly what changes and doesn't change in a function replacement. In passing, fix the CREATE VIEW reference page similarly; there's no code bug there, but the docs didn't say what happens.
2009-10-02Ensure that a cursor has an immutable snapshot throughout its lifespan.Alvaro Herrera
The old coding was using a regular snapshot, referenced elsewhere, that was subject to having its command counter updated. Fix by creating a private copy of the snapshot exclusively for the cursor. Backpatch to 8.4, which is when the bug was introduced during the snapshot management rewrite.
2009-10-01Applied patch by Boszormenyi Zoltan <zb@cybertec.at> to fix memory leak in ↵Michael Meskes
decimal handling.
2009-10-01Support "samehost" and "samenet" specifications in pg_hba.conf,Tom Lane
by enumerating the machine's IP interfaces to look for a match. Stef Walter
2009-09-30Fix bogus Assert, per buildfarm results.Tom Lane
2009-09-30Assorted improvements in contrib/hstore.Tom Lane
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
2009-09-29Add tooltips to the header links, and make title a link to the home pagePeter Eisentraut
based on an idea by Richard Huxton
2009-09-29Allow MOVE FORWARD n, MOVE BACKWARD n, MOVE FORWARD ALL, MOVE BACKWARD ALLTom Lane
in plpgsql. Clean up a couple of corner cases in the MOVE/FETCH syntax. Pavel Stehule
2009-09-29Fix equivclass.c's not-quite-right strategy for handling X=X clauses.Tom Lane
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.
2009-09-28Convert a perl array to a postgres array when returned by Set Returning ↵Andrew Dunstan
Functions as well as non SRFs. Backpatch to 8.1 where these facilities were introduced. with a little help from Abhijit Menon-Sen.
2009-09-28Added some explanation about how the parser is generated, taken from an email byMichael Meskes
Zoltan Boszormenyi <zb@cybertec.at>.