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Commits on Aug 16, 2008

• Update Russian FAQ.

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• Add new SQL training web site to FAQ:

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• Fix version warning bug in recently applied adjustments to psql startup.

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• Clean up the loose ends in selectivity estimation left by my patch for semi

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Commits on Aug 15, 2008

• Performance fix for new anti-join code in nodeMergejoin.c: after finding a

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• Make the temporary directory for pgstat files configurable by the GUC

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Commits on Aug 14, 2008

• Fix pull_up_simple_union_all to copy all rtable entries from child subquery to

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• Implement SEMI and ANTI joins in the planner and executor. (Semijoins replace

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• pg_buffercache needs to be taught about relation forks, as Greg Stark

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• Add URL for:

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Commits on Aug 13, 2008

• Have autovacuum consider processing TOAST tables separately from their

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Commits on Aug 12, 2008

• Remove TODO item

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• Add:

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Commits on Aug 11, 2008

• Relation forks patch requires a catversion bump due to changes in the format

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• Introduce the concept of relation forks. An smgr relation can now consist

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Commits on Aug 10, 2008

• Fix corner-case bug introduced with HOT: if REINDEX TABLE pg_class (or a

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Commits on Aug 8, 2008

• Install checks in executor startup to ensure that the tuples produced by an

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Commits on Aug 7, 2008

• Improve INTERSECT/EXCEPT hashing by realizing that we don't need to make any

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• Support hashing for duplicate-elimination in INTERSECT and EXCEPT queries.

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• Teach the system how to use hashing for UNION. (INTERSECT/EXCEPT will follow,

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Commits on Aug 5, 2008

• Do not allow Unique nodes to be scanned backwards. The code claimed that it

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• Department of second thoughts: fix newly-added code in planner.c to make real

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• Add an ORDER BY to one more SELECT DISTINCT test case, per buildfarm results.

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• In ReadOrZeroBuffer (and related entry points), don't bother to call

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• Move pgstat.tmp into a temporary directory under $PGDATA named pg_stat_tmp.

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• Fix some message style guideline violations in pg_regress, as well as

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• Improve SELECT DISTINCT to consider hash aggregation, as well as sort/uniq,

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Commits on Aug 4, 2008

• Improve CREATE/DROP/RENAME DATABASE so that when failing because the source

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Commits on Aug 3, 2008

• Make GROUP BY work properly for datatypes that only support hashing and not

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• Tighten up the sanity checks in TypeCreate(): pass-by-value types must have

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• Fix copy-and-pasteo that's causing pg_regress to lie about which file it can't

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Commits on Aug 2, 2008

• Rearrange the querytree representation of ORDER BY/GROUP BY/DISTINCT items

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Commits on Aug 1, 2008

• Cope with Tcl versions that do not create a tclsh symlink to the version-

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• Add a few more DTrace probes to the backend.

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• Rearrange the code in auth.c so that all functions for a single authentication

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