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* Protect pg_stat_reset_shared() against NULL inputMagnus Hagander2011-06-29
| | | | Per bug #6082, reported by Steve Haslam
* Unify spelling of "canceled", "canceling", "cancellation"Peter Eisentraut2011-06-29
| | | | | We had previously (af26857a2775e7ceb0916155e931008c2116632f) established the U.S. spellings as standard.
* Introduce compact WAL record for the common case of commit (non-DDL).Simon Riggs2011-06-28
| | | | | | | | XLOG_XACT_COMMIT_COMPACT leaves out invalidation messages and relfilenodes, saving considerable space for the vast majority of transaction commits. XLOG_XACT_COMMIT keeps same definition as XLOG_PAGE_MAGIC 0xD067 and earlier. Leonardo Francalanci and Simon Riggs
* Remove rel.h from objectaddress.h; only relcache.h is necessary.Alvaro Herrera2011-06-28
| | | | Add rel.h to some files that now need it.
* Modernise pg_hba.conf token processingAlvaro Herrera2011-06-28
| | | | | | | | | | | | | | | | | | | | | | | The previous coding was ugly, as it marked special tokens as such in the wrong stage, relying on workarounds to figure out if they had been quoted in the original or not. This made it impossible to have specific keywords be recognized as such only in certain positions in HBA lines, for example. Fix by restructuring the parser code so that it remembers whether tokens were quoted or not. This eliminates widespread knowledge of possible known keywords for all fields. Also improve memory management in this area, to use memory contexts that are reset as a whole instead of using retail pfrees; this removes a whole lotta crufty (and probably slow) code. Instead of calling strlen() three times in next_field_expand on the returned token to find out whether there was a comma (and strip it), pass back the info directly from the callee, which is simpler. In passing, update historical artifacts in hba.c API. Authors: Brendan Jurd, Alvaro Herrera Reviewed by Pavel Stehule
* Implement the collation columns of various information schema viewsPeter Eisentraut2011-06-28
| | | | | | Fill in the collation columns of the views attributes, columns, domains, and element_types. Also update collation information in sql_implementation_info.
* Add composite-type attributes to information_schema.element_types viewPeter Eisentraut2011-06-28
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* Add a missing_ok argument to get_object_address().Robert Haas2011-06-27
| | | | | | | This lays the groundwork for an upcoming patch to streamline the handling of DROP commands. KaiGai Kohei
* Reduce impact of btree page reuse on Hot Standby by fixing off-by-1 error.Simon Riggs2011-06-27
| | | | | | | | | WAL records of type XLOG_BTREE_REUSE_PAGE were generated using a latestRemovedXid one higher than actually needed because xid used was page opaque->btpo.xact rather than an actually removed xid. Noticed on an otherwise quiet system by Noah Misch. Noah Misch and Simon Riggs
* Allow callers to pass a missing_ok flag when opening a relation.Robert Haas2011-06-27
| | | | | | | | | | | | | Since the names try_relation_openrv() and try_heap_openrv() don't seem quite appropriate, rename the functions to relation_openrv_extended() and heap_openrv_extended(). This is also more general, if we have a future need for additional parameters that are of interest to only a few callers. This is infrastructure for a forthcoming patch to allow get_object_address() to take a missing_ok argument as well. Patch by me, review by Noah Misch.
* Try again to make the visibility map crash safe.Robert Haas2011-06-27
| | | | | My previous attempt was quite a bit less than half-baked with respect to heap_update().
* Mention that SSPI authentication can use GSSAPI on non-Windows systems.Robert Haas2011-06-27
| | | | As noted by Christian Ullrich.
* Avoid having two copies of the HOT-chain search logic.Robert Haas2011-06-27
| | | | | | | | | | | | | It's been like this since HOT was originally introduced, but the logic is complex enough that this is a recipe for bugs, as we've already found out with SSI. So refactor heap_hot_search_buffer() so that it can satisfy the needs of index_getnext(), and make index_getnext() use that rather than duplicating the logic. This change was originally proposed by Heikki Linnakangas as part of a larger refactoring oriented towards allowing index-only scans. I extracted and adjusted this part, since it seems to have independent merit. Review by Jeff Davis.
* Add some strings that were not marked for translationPeter Eisentraut2011-06-27
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* Remove redundant DEF_PGPORT handlingPeter Eisentraut2011-06-27
| | | | | | DEF_PGPORT already comes in from pg_config.h, so we don't need to pass it in again with a -D option. Apparently a leftover from the shell script conversion.
* Add missing file to GETTEXT_FILESPeter Eisentraut2011-06-27
| | | | | This doesn't actually change the resulting set of strings, but better be correct.
* Add the possibility to pass --flag arguments to xgettext callsPeter Eisentraut2011-06-27
| | | | | | | | | | | | The --flag argument can be used to tell xgettext the arguments of which functions should be flagged with c-format in the PO files, instead of guessing based on the presence of format specifiers, which fails if no format specifiers are present but the translation accidentally introduces one. Appropriate flag settings have been added for each message catalog. based on a patch by Christoph Berg for bug #6066
* Refactor common gettext triggersPeter Eisentraut2011-06-27
| | | | | | Put gettext trigger words that are common to the backend and backend modules into a makefile variable to include everywhere, to avoid error-prone repetitions.
* Replace tabs by spaces in makefile commentPeter Eisentraut2011-06-26
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* Make _ be automatically included in GETTEXT_TRIGGERSPeter Eisentraut2011-06-26
| | | | | Since it's globally defined in c.h, it should be treated as a gettext trigger everywhere.
* Replace := by = in nls.mk filesPeter Eisentraut2011-06-26
| | | | | | | | It currently doesn't make a difference, but it's inconsistent with most other usage, and it might interfere with a future patch, so I'll change it all in a separate commit. Also, replace tabs with spaces for alignment.
* Remove some cruft from nls.mk filesPeter Eisentraut2011-06-26
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* Async dblink functions require a named connection, and therefore shouldJoe Conway2011-06-25
| | | | | use DBLINK_GET_NAMED_CONN rather than DBLINK_GET_CONN. Problem found by Peter Eisentraut and patch by Fujii Masao.
* Documentation improvements for pg_locks with respect to SSI.Robert Haas2011-06-24
| | | | | | | Explain that querying pg_locks does not simultaneously lock both the normal lock manager and the predicate lock manager. Per discussion with Kevin Grittner.
* In pg_upgrade docs, clarify that link mode uses "hard" links.Bruce Momjian2011-06-23
| | | | Backpatch to 9.1 and 9.0.
* Add information schema views role_udt_grants, udt_privileges, user_defined_typesPeter Eisentraut2011-06-23
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* Add a bit of markupPeter Eisentraut2011-06-23
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* Undo overly enthusiastic de-const-ification.Tom Lane2011-06-22
| | | | | | | s/const//g wasn't exactly what I was suggesting here ... parameter declarations of the form "const structtype *param" are good and useful, so put those occurrences back. Likewise, avoid casting away the const in a "const void *" parameter.
* In pg_upgrade, check that the binary and data directories are the sameBruce Momjian2011-06-22
| | | | | | | | major version. Backpatch to 9.1. Dan McGee
* In pg_upgrade, fix odd function parameter wrapping.Bruce Momjian2011-06-22
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* Update alternative expected file for recent sequence test changes.Tom Lane2011-06-22
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* Revert "Don't select log_cnt in sequence regression tests."Tom Lane2011-06-22
| | | | | | This reverts commit addf11f9a264417aa467d4e135b9a8afc59f172a. The right fix for the problem is to update the alternative expected file, not to lobotomize the test case.
* Rename pg_upgrade directory validation function, for clarity.Bruce Momjian2011-06-22
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* Adjust pg_upgrade check for pg_upgrade_support to happen after theBruce Momjian2011-06-22
| | | | | | | | binary directory has been validated. Backpatch to 9.1. Dan McGee
* Fix pg_upgrade status message capitalization mistake.Bruce Momjian2011-06-22
| | | | | | Backpatch to 9.1 and 9.0. Dan McGee
* Add missing -I switch for VPATH builds.Tom Lane2011-06-22
| | | | Per bug #6073 from Hartmut Raschick.
* Fix symlink for errcodes.h so it works in VPATH builds from tarballs.Tom Lane2011-06-22
| | | | | | | backend/Makefile was treating errcodes.h as a header always generated during build, but actually it's a header provided in tarballs. Hence, must use the absolute-symlink recipe, not the relative-symlink one. Per bug #6072 from Hartmut Raschick.
* Don't select log_cnt in sequence regression tests.Robert Haas2011-06-22
| | | | | | It's not entirely stable. Per suggestion from Josh Kupershmidt.
* Remove pointless const qualifiers from function arguments in the SSI code.Heikki Linnakangas2011-06-22
| | | | | | | As Tom Lane pointed out, "const Relation foo" doesn't guarantee that you can't modify the data the "foo" pointer points to. It just means that you can't change the pointer to point to something else within the function, which is not very useful.
* Make the visibility map crash-safe.Robert Haas2011-06-21
| | | | | | | | | | | | | | | | | | | | This involves two main changes from the previous behavior. First, when we set a bit in the visibility map, emit a new WAL record of type XLOG_HEAP2_VISIBLE. Replay sets the page-level PD_ALL_VISIBLE bit and the visibility map bit. Second, when inserting, updating, or deleting a tuple, we can no longer get away with clearing the visibility map bit after releasing the lock on the corresponding heap page, because an intervening crash might leave the visibility map bit set and the page-level bit clear. Making this work requires a bit of interface refactoring. In passing, a few minor but related cleanups: change the test in visibilitymap_set and visibilitymap_clear to throw an error if the wrong page (or no page) is pinned, rather than silently doing nothing; this case should never occur. Also, remove duplicate definitions of InvalidXLogRecPtr. Patch by me, review by Noah Misch.
* Add some regression tests for serial pseudotypes.Robert Haas2011-06-21
| | | | Josh Kupershmidt
* Add smallserial pseudotype.Robert Haas2011-06-21
| | | | | | | This is just like serial and bigserial, except it generates an int2 column rather than int4 or int8. Mike Pultz, reviewed by Brar Piening and Josh Kupershmidt
* Make deadlock_timeout PGC_SUSET rather than PGC_SIGHUP.Robert Haas2011-06-21
| | | | | | | | | | | | | | | | | This allows deadlock_timeout to be reduced for transactions that are particularly likely to be involved in a deadlock, thus detecting it more quickly. It is also potentially useful as a poor-man's deadlock priority mechanism: a transaction with a high deadlock_timeout is less likely to be chosen as the victim than one with a low deadlock_timeout. Since that could be used to game the system, we make this PGC_SUSET rather than PGC_USERSET. At some point, it might be worth thinking about a more explicit priority mechanism, since using this is far from fool-proof. But let's see whether there's enough use case to justify the additional work before we go down that route. Noah Misch, reviewed by Shigeru Hanada
* Add notion of a "transform function" that can simplify function calls.Robert Haas2011-06-21
| | | | | | | | | | Initially, we use this only to eliminate calls to the varchar() function in cases where the length is not being reduced and, therefore, the function call is equivalent to a RelabelType operation. The most significant effect of this is that we can avoid a table rewrite when changing a varchar(X) column to a varchar(Y) column, where Y > X. Noah Misch, reviewed by me and Alexey Klyukin
* Performance tuning advice for SSI.Robert Haas2011-06-21
| | | | Kevin Grittner, with additional wordsmithing by me.
* Minor editing for README-SSI.Tom Lane2011-06-21
| | | | | Fix some grammatical issues, try to clarify a couple of proofs, make the terminology more consistent.
* Message style and spelling improvementsPeter Eisentraut2011-06-22
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* Apply upstream fix for blowfish signed-character bug (CVE-2011-2483).Tom Lane2011-06-21
| | | | | | | | | | | | | | | | | | | | | A password containing a character with the high bit set was misprocessed on machines where char is signed (which is most). This could cause the preceding one to three characters to fail to affect the hashed result, thus weakening the password. The result was also unportable, and failed to match some other blowfish implementations such as OpenBSD's. Since the fix changes the output for such passwords, upstream chose to provide a compatibility hack: password salts beginning with $2x$ (instead of the usual $2a$ for blowfish) are intentionally processed "wrong" to give the same hash as before. Stored password hashes can thus be modified if necessary to still match, though it'd be better to change any affected passwords. In passing, sync a couple other upstream changes that marginally improve performance and/or tighten error checking. Back-patch to all supported branches. Since this issue is already public, no reason not to commit the fix ASAP.
* Adjust the alternative expected output file for prepared_xacts test case,Heikki Linnakangas2011-06-21
| | | | | used when max_prepared_transactions=0, for the recent changes in the test case.
* Fix bug in PreCommit_CheckForSerializationFailure. A transaction that hasHeikki Linnakangas2011-06-21
| | | | | | | | | | | | already been marked as PREPARED cannot be killed. Kill the current transaction instead. One of the prepared_xacts regression tests actually hits this bug. I removed the anomaly from the duplicate-gids test so that it fails in the intended way, and added a new test to check serialization failures with a prepared transaction. Dan Ports
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