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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().
* 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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* Add information schema views role_udt_grants, udt_privileges, user_defined_typesPeter 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.
* 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.
* 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
* 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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* 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
* Fix bug introduced by recent SSI patch to merge ROLLED_BACK andHeikki Linnakangas2011-06-21
| | | | | | | | | | MARKED_FOR_DEATH flags into one. We still need the ROLLED_BACK flag to mark transactions that are in the process of being rolled back. To be precise, ROLLED_BACK now means that a transaction has already been discounted from the count of transactions with the oldest xmin, but not yet removed from the list of active transactions. Dan Ports
* Fix thinko in previous patch for optimizing EXISTS-within-EXISTS.Tom Lane2011-06-20
| | | | | | | | | | | | | | | | | | | | | | When recursing after an optimization in pull_up_sublinks_qual_recurse, the available_rels value passed down must include only the relations that are in the righthand side of the new SEMI or ANTI join; it's incorrect to pull up a sub-select that refers to other relations, as seen in the added test case. Per report from BangarRaju Vadapalli. While at it, rethink the idea of recursing below a NOT EXISTS. That is essentially the same situation as pulling up ANY/EXISTS sub-selects that are in the ON clause of an outer join, and it has the same disadvantage: we'd force the two joins to be evaluated according to the syntactic nesting order, because the lower join will most likely not be able to commute with the ANTI join. That could result in having to form a rather large join product, whereas the handling of a correlated subselect is not quite that dumb. So until we can handle those cases better, #ifdef NOT_USED that case. (I think it's okay to pull up in the EXISTS/ANY cases, because SEMI joins aren't so inflexible about ordering.) Back-patch to 8.4, same as for previous patch in this area. Fortunately that patch hadn't made it into any shipped releases yet.
* Remove extra copying of TupleDescs for heap_create_with_catalogAlvaro Herrera2011-06-20
| | | | | | | | | Some callers were creating copies of tuple descriptors to pass to that function, stating in code comments that it was necessary because it modified the passed descriptor. Code inspection reveals this not to be true, and indeed not all callers are passing copies in the first place. So remove the extra ones and the misleading comments about this behavior as well.
* Fixed string in German translation that causes segfault.Michael Meskes2011-06-20
| | | | | Applied patch by Christoph Berg <cb@df7cb.de> to replace placeholder "%s" by correct string.
* Add REL9_1_STABLE to the set of branches tracked by git_changelog.Tom Lane2011-06-19
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* Fix thinko in previous patch to always update pg_class.reltuples/relpages.Tom Lane2011-06-19
| | | | | | I mis-simplified the test where ANALYZE decided if it could get away without doing anything: under the new regime, that's never allowed. Per bug #6068 from Jeff Janes. Back-patch to 8.4, just like previous patch.
* Capitalization fixesPeter Eisentraut2011-06-19
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* Make external_pid_file world readablePeter Eisentraut2011-06-19
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* Remove redundant lib*dll.def rules from .gitignoreMagnus Hagander2011-06-18
| | | | | | | Since we now have a global rule in the root .gitignore, there's no need to keep directory-specific ones as well. Noted by Peter Eisentraut
* Set FLEXIBLE_ARRAY_MEMBER to empty for MSVC.Andrew Dunstan2011-06-17
| | | | | Per gripe from Tom Lane. I have tested this with VC 2008, and assume it will work with earlier versions.
* Obtain table locks as soon as practical during pg_dump.Tom Lane2011-06-17
| | | | | | | | | | For some reason, when we (I) added table lock acquisition to pg_dump, we didn't think about making it happen as soon as possible after the start of the transaction. What with subsequent additions, there was actually quite a lot going on before we got around to that; which sort of defeats the purpose. Rearrange the order of calls in dumpSchema() to close the risk window as much as we easily can. Back-patch to all supported branches.
* Add overflow checks to int4 and int8 versions of generate_series().Robert Haas2011-06-17
| | | | | | | | | The previous code went into an infinite loop after overflow. In fact, an overflow is not really an error; it just means that the current value is the last one we need to return. So, just arrange to stop immediately when overflow is detected. Back-patch all the way.
* Fix crash in CREATE UNLOGGED TABLE.Robert Haas2011-06-17
| | | | | | | | | The code that created the init fork neglected to make sure that the relation was open at the smgr level before attempting to invoke smgr. This didn't happen every time; only when the relcache entry was rebuilt along the way. Per report from Garick Hamlin.
* Fix minor thinko in ProcGlobalShmemSize().Robert Haas2011-06-17
| | | | | | | | | There's no need to add space for startupBufferPinWaitBufId, because it's part of the PROC_HDR object for which this function already allocates space. This has been wrong for a while, but the only consequence is that our shared memory allocation is increased by 4 bytes, so no back-patch.
* Define FLEXIBLE_ARRAY_MEMBER for MSVC.Andrew Dunstan2011-06-16
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* Index tuple data arrays using Anum_xxx symbolic constants instead of "i++".Tom Lane2011-06-16
| | | | | | | | | We had already converted most places to this style, but this patch gets the last few that were still doing it the old way. The main advantage is that this exposes a greppable name for each target column, rather than having to rely on comments (which a couple of places failed to provide anyhow). Richard Hopkins, additional work by me to clean up update_attstats() too
* Avoid compiler warnings due to possibly unused variablesPeter Eisentraut2011-06-16
| | | | | | gcc 4.6 complains about these because of the new option -Wunused-but-set-variable which comes in with -Wall, so cast them to void, which avoids the warning.
* Start using flexible array membersPeter Eisentraut2011-06-16
| | | | | | | | | | | | Flexible array members are a C99 feature that avoids "cheating" in the declaration of variable-length arrays at the end of structs. With Autoconf support, this should be transparent for older compilers. We start with one use in gist.h because gcc 4.6 started to raise a warning there. Over time, it can be expanded to other places in the source, but they will likely need some review of sizeof and offsetof usage. The current change in gist.h appears to be safe in this regard.
* Update README-SSI. Add a section to describe the "dangerous structure" thatHeikki Linnakangas2011-06-16
| | | | | | | | SSI is based on, as well as the optimizations about relative commit times and read-only transactions. Plus a bunch of other misc fixes and improvements. Dan Ports
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