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* Regression tests for ALTER TABLESPACE RENAME,OWNERSimon Riggs2013-12-11
| | | | Hari Babu Kommi reviewed by David Rowley
* Tweak placement of explicit ANALYZE commands in the regression tests.Tom Lane2013-12-11
| | | | | | | | | | | | | | | | Make the COPY test, which loads most of the large static tables used in the tests, also explicitly ANALYZE those tables. This allows us to get rid of various ad-hoc, and rather redundant, ANALYZE commands that had gotten stuck into various test scripts over time to ensure we got consistent plan choices. (We could have done a database-wide ANALYZE, but that would cause stats to get attached to the small static tables too, which results in plan changes compared to the historical behavior. I'm not sure that's a good idea, so not going that far for now.) Back-patch to 9.0, since 9.0 and 9.1 are currently sometimes failing regression tests for lack of an "ANALYZE tenk1" in the subselect test. There's no need for this in 8.4 since we didn't print any plans back then.
* Under wal_level=logical, when saving old tuples, always save OID.Robert Haas2013-12-11
| | | | | | | There's no real point in not doing this. It doesn't cost anything in performance or space. So let's go wild. Andres Freund, with substantial editing as to style by me.
* Add table name to VACUUM statement in matview.c.Kevin Grittner2013-12-11
| | | | | | | | The test only needs the one table to be vacuumed. Vacuuming the database may affect other tests. Per gripe from Tom Lane. Back-patch to 9.3, where the test was was added.
* PL/Perl: Add event trigger supportPeter Eisentraut2013-12-11
| | | | From: Dimitri Fontaine <dimitri@2ndQuadrant.fr>
* Add a new option, -g, to createuser, to add membership in a role.Robert Haas2013-12-11
| | | | | Chistopher Browne, reviewed by Sameer Thakur, Amit Kapila, and Peter Eisentraut.
* doc: Fix DocBook table column count declarationPeter Eisentraut2013-12-10
| | | | This was broken in d6464fdc0a591662e5e5ee1b0303932e89cb027c.
* Add a new reloption, user_catalog_table.Robert Haas2013-12-10
| | | | | | | | | | | | | | | When this reloption is set and wal_level=logical is configured, we'll record the CIDs stamped by inserts, updates, and deletes to the table just as we would for an actual catalog table. This will allow logical decoding to use historical MVCC snapshots to access such tables just as they access ordinary catalog tables. Replication solutions built around the logical decoding machinery will likely need to set this operation for their configuration tables; it might also be needed by extensions which perform table access in their output functions. Andres Freund, reviewed by myself and others.
* Add new wal_level, logical, sufficient for logical decoding.Robert Haas2013-12-10
| | | | | | | | | | | | | | | | | | | | | | | When wal_level=logical, we'll log columns from the old tuple as configured by the REPLICA IDENTITY facility added in commit 07cacba983ef79be4a84fcd0e0ca3b5fcb85dd65. This makes it possible a properly-configured logical replication solution to correctly follow table updates even if they change the chosen key columns, or, with REPLICA IDENTITY FULL, even if the table has no key at all. Note that updates which do not modify the replica identity column won't log anything extra, making the choice of a good key (i.e. one that will rarely be changed) important to performance when wal_level=logical is configured. Each insert, update, or delete to a catalog table will also log the CMIN and/or CMAX values of stamped by the current transaction. This is necessary because logical decoding will require access to historical snapshots of the catalog in order to decode some data types, and the CMIN/CMAX values that we may need in order to judge row visibility may have been overwritten by the time we need them. Andres Freund, reviewed in various versions by myself, Heikki Linnakangas, KONDO Mitsumasa, and many others.
* Fix possible crash with nested SubLinks.Tom Lane2013-12-10
| | | | | | | | | | | | | An expression such as WHERE (... x IN (SELECT ...) ...) IN (SELECT ...) could produce an invalid plan that results in a crash at execution time, if the planner attempts to flatten the outer IN into a semi-join. This happens because convert_testexpr() was not expecting any nested SubLinks and would wrongly replace any PARAM_SUBLINK Params belonging to the inner SubLink. (I think the comment denying that this case could happen was wrong when written; it's certainly been wrong for quite a long time, since very early versions of the semijoin flattening logic.) Per report from Teodor Sigaev. Back-patch to all supported branches.
* Rename TABLE() to ROWS FROM().Noah Misch2013-12-10
| | | | | | | SQL-standard TABLE() is a subset of UNNEST(); they deal with arrays and other collection types. This feature, however, deals with set-returning functions. Use a different syntax for this feature to keep open the possibility of implementing the standard TABLE().
* pgcrypto docs: update cpu type used in duration testingBruce Momjian2013-12-09
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* pgcrypto docs: update encryption timings and add relative timesBruce Momjian2013-12-09
| | | | Miles Elam
* Fixups for dsm.c's file descriptor handling.Robert Haas2013-12-09
| | | | Per complaint from Tom Lane.
* Fix pg_stat_statements build on 32-bit systemsMagnus Hagander2013-12-08
| | | | Peter Geoghegan
* Fix performance regression in dblink connection speed.Joe Conway2013-12-07
| | | | | | | | | | | Previous commit e5de601267d98c5d60df6de8d436685c7105d149 modified dblink to ensure client encoding matched the server. However the added PQsetClientEncoding() call added significant overhead. Restore original performance in the common case where client encoding already matches server encoding by doing nothing in that case. Applies to all active branches. Issue reported and work sponsored by Zonar Systems.
* Fix a couple of typosMagnus Hagander2013-12-07
| | | | Noted by Peter Geoghegan
* SSL: Support ECDH key exchangePeter Eisentraut2013-12-07
| | | | | | | | | | | | | | | | | This sets up ECDH key exchange, when compiling against OpenSSL that supports EC. Then the ECDHE-RSA and ECDHE-ECDSA cipher suites can be used for SSL connections. The latter one means that EC keys are now usable. The reason for EC key exchange is that it's faster than DHE and it allows to go to higher security levels where RSA will be horribly slow. There is also new GUC option ssl_ecdh_curve that specifies the curve name used for ECDH. It defaults to "prime256v1", which is the most common curve in use in HTTPS. From: Marko Kreen <markokr@gmail.com> Reviewed-by: Adrian Klaver <adrian.klaver@gmail.com>
* Expose qurey ID in pg_stat_statements view.Fujii Masao2013-12-08
| | | | | | | The query ID is the internal hash identifier of the statement, and was not available in pg_stat_statements view so far. Daniel Farina, Sameer Thakur and Peter Geoghegan, reviewed by me.
* SSL: Add configuration option to prefer server cipher orderPeter Eisentraut2013-12-07
| | | | | | | | | | | | | | | By default, OpenSSL (and SSL/TLS in general) lets the client cipher order take priority. This is OK for browsers where the ciphers were tuned, but few PostgreSQL client libraries make the cipher order configurable. So it makes sense to have the cipher order in postgresql.conf take priority over client defaults. This patch adds the setting "ssl_prefer_server_ciphers" that can be turned on so that server cipher order is preferred. Per discussion, this now defaults to on. From: Marko Kreen <markokr@gmail.com> Reviewed-by: Adrian Klaver <adrian.klaver@gmail.com>
* docs: update partition encryption optionsBruce Momjian2013-12-06
| | | | Text from Adam Vande More
* docs: clarify SSL certificate authority chain docsBruce Momjian2013-12-06
| | | | | Previously, the requirements of how intermediate certificates were handled and their chain to root certificates was unclear.
* Fix improper abort during update chain lockingAlvaro Herrera2013-12-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 247c76a98909, I added some code to do fine-grained checking of MultiXact status of locking/updating transactions when traversing an update chain. There was a thinko in that patch which would have the traversing abort, that is return HeapTupleUpdated, when the other transaction is a committed lock-only. In this case we should ignore it and return success instead. Of course, in the case where there is a committed update, HeapTupleUpdated is the correct return value. A user-visible symptom of this bug is that in REPEATABLE READ and SERIALIZABLE transaction isolation modes spurious serializability errors can occur: ERROR: could not serialize access due to concurrent update In order for this to happen, there needs to be a tuple that's key-share- locked and also updated, and the update must abort; a subsequent transaction trying to acquire a new lock on that tuple would abort with the above error. The reason is that the initial FOR KEY SHARE is seen as committed by the new locking transaction, which triggers this bug. (If the UPDATE commits, then the serialization error is correctly reported.) When running a query in READ COMMITTED mode, what happens is that the locking is aborted by the HeapTupleUpdated return value, then EvalPlanQual fetches the newest version of the tuple, which is then the only version that gets locked. (The second time the tuple is checked there is no misbehavior on the committed lock-only, because it's not checked by the code that traverses update chains; so no bug.) Only the newest version of the tuple is locked, not older ones, but this is harmless. The isolation test added by this commit illustrates the desired behavior, including the proper serialization errors that get thrown. Backpatch to 9.3.
* Clear retry flags properly in replacement OpenSSL sock_write function.Tom Lane2013-12-05
| | | | | | | | | | | | Current OpenSSL code includes a BIO_clear_retry_flags() step in the sock_write() function. Either we failed to copy the code correctly, or they added this since we copied it. In any case, lack of the clear step appears to be the cause of the server lockup after connection loss reported in bug #8647 from Valentine Gogichashvili. Assume that this is correct coding for all OpenSSL versions, and hence back-patch to all supported branches. Diagnosis and patch by Alexander Kukushkin.
* Avoid resetting Xmax when it's a multi with an aborted updateAlvaro Herrera2013-12-05
| | | | | | | | | | | | | | | | | | HeapTupleSatisfiesUpdate can very easily "forget" tuple locks while checking the contents of a multixact and finding it contains an aborted update, by setting the HEAP_XMAX_INVALID bit. This would lead to concurrent transactions not noticing any previous locks held by transactions that might still be running, and thus being able to acquire subsequent locks they wouldn't be normally able to acquire. This bug was introduced in commit 1ce150b7bb; backpatch this fix to 9.3, like that commit. This change reverts the change to the delete-abort-savept isolation test in 1ce150b7bb, because that behavior change was caused by this bug. Noticed by Andres Freund while investigating a different issue reported by Noah Misch.
* build: pass EXTRA_REGRESS_OPTS to secondary regression testsBruce Momjian2013-12-04
| | | | Christoph Berg
* doc: split long query into multiple linesBruce Momjian2013-12-04
| | | | Report from Erik Rijkers
* Fix whitespacePeter Eisentraut2013-12-03
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* Don't include unused space in LOG_NEWPAGE records.Heikki Linnakangas2013-12-04
| | | | | This is the same trick we use when taking a full page image of a buffer passed to XLogInsert.
* Fix full-page writes of internal GIN pages.Heikki Linnakangas2013-12-03
| | | | | | | | | | | | | | | Insertion to a non-leaf GIN page didn't make a full-page image of the page, which is wrong. The code used to do it correctly, but was changed (commit 853d1c3103fa961ae6219f0281885b345593d101) because the redo-routine didn't track incomplete splits correctly when the page was restored from a full page image. Of course, that was not right way to fix it, the redo routine should've been fixed instead. The redo-routine was surreptitiously fixed in 2010 (commit 4016bdef8aded77b4903c457050622a5a1815c16), so all we need to do now is revert the code that creates the record to its original form. This doesn't change the format of the WAL record. Backpatch to all supported versions.
* C comment: again update comment for pg_fe_sendauth for error casesBruce Momjian2013-12-03
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* Update C comment for pg_fe_getauthnameBruce Momjian2013-12-03
| | | | This function no longer takes an argument.
* libpq: change PQconndefaults() to ignore invalid service filesBruce Momjian2013-12-03
| | | | | | | | Previously missing or invalid service files returned NULL. Also fix pg_upgrade to report "out of memory" for a null return from PQconndefaults(). Patch by Steve Singer, rewritten by me
* doc: Refine documentation about recovery command exist statusPeter Eisentraut2013-12-02
| | | | | | | Add more documentation about how different exit codes and signals are handled in each case. Reviewed-by: Peter Geoghegan <pg@heroku.com>
* Report exit code from external recovery commands properlyPeter Eisentraut2013-12-02
| | | | | | | | | | When an external recovery command such as restore_command or archive_cleanup_command fails, report the exit code properly, distinguishing signals and normal exists, using the existing wait_result_to_str() facility, instead of just reporting the return value from system(). Reviewed-by: Peter Geoghegan <pg@heroku.com>
* Fix crash in assign_collations_walker for EXISTS with empty SELECT list.Tom Lane2013-12-02
| | | | | We (I think I, actually) forgot about this corner case while coding collation resolution. Per bug #8648 from Arjen Nienhuis.
* Update release notes for 9.3.2, 9.2.6, 9.1.11, 9.0.15, 8.4.19.Tom Lane2013-12-02
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* doc: update wording of ineffective SET and ABORT commandsBruce Momjian2013-12-02
| | | | Wording by Alvaro Herrera
* Improve draft release notes.Tom Lane2013-12-02
| | | | | Per suggestions from Andres Freund. Also fix spelling of Sergey Burladyan's name.
* Increase git_changelog's timestamp_slop from 10 min to 1 day.Tom Lane2013-12-02
| | | | | | | | | | | Many committers seem to now be using a work flow in which back-patched commits are timestamped minutes or even hours apart in different branches (most likely because they commit in one branch before starting work on the next one). git_changelog was failing to merge its reports in such cases, so increase the max time it's willing to merge commits across. I considered getting rid of the limit altogether, but that produces some odd results in terms of how the merged commit gets sorted relative to unrelated commits.
* Flag mmap implemenation of dynamic shared memory as resize-capable.Robert Haas2013-12-02
| | | | Error noted by Heikki Linnakangas
* Make NUM_TOCHAR_prepare and NUM_TOCHAR_finish macros declare "len".Robert Haas2013-12-02
| | | | | | | | Remove the variable from the enclosing scopes so that nothing can be relying on it. The net result of this refactoring is that we get rid of a few unnecessary strlen() calls. Original patch from Greg Jaskiewicz, substantially expanded by me.
* Avoid out-of-bounds read in errfinish if error_stack_depth < 0.Robert Haas2013-12-02
| | | | | | | | | If errordata_stack_depth < 0, we won't find that out and correct the problem until CHECK_STACK_DEPTH() is invoked. In the meantime, elevel will be set based on an invalid read. This is probably harmless in practice, but it seems cleaner this way. Xi Wang
* Translation updatesPeter Eisentraut2013-12-02
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* Draft release notes for 9.3.2.Tom Lane2013-12-01
| | | | | | I'm putting these up for review before I start to extract the relevant subsets for the older branches. It'll be easier to make any suggested wording improvements at this stage.
* doc: Disable preface.autolabel in XSLTPeter Eisentraut2013-12-01
| | | | The makes the output more consistent with the existing DSSSL setup.
* Update time zone data files to tzdata release 2013h.Tom Lane2013-12-01
| | | | | | DST law changes in Argentina, Brazil, Jordan, Libya, Liechtenstein, Morocco, Palestine. New timezone abbreviations WIB, WIT, WITA for Indonesia.
* Editorial corrections to the October 2013 minor-release notes.Tom Lane2013-11-30
| | | | | | | | | | | This is mostly to fix incorrect migration instructions: since the preceding minor releases advised reindexing some GIST indexes, it's important that we back-link to that advice rather than earlier instances. Also improve some bug descriptions and fix a few typos. No back-patch yet; these files will get copied into the back branches later in the release process.
* pg_upgrade: Handle default_transaction_read_only settingsBruce Momjian2013-11-30
| | | | | | Setting default_transaction_read_only=true could prevent pg_upgrade from completing, so prepend default_transaction_read_only=false to PGOPTIONS.
* Fix pg_dumpall to work for databases flagged as read-only.Kevin Grittner2013-11-30
| | | | | | | | | | | | | | | | pg_dumpall's charter is to be able to recreate a database cluster's contents in a virgin installation, but it was failing to honor that contract if the cluster had any ALTER DATABASE SET default_transaction_read_only settings. By including a SET command for the connection for each connection opened by pg_dumpall output, errors are avoided and the source cluster is successfully recreated. There was discussion of whether to also set this for the connection applying pg_dump output, but it was felt that it was both less appropriate in that context, and far easier to work around. Backpatch to all supported branches.
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