| Commit message (Collapse) | Author | Age |
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sections now isn't nested. All user-defined functions now is
called outside critsections. Small improvements in WAL
protocol.
TODO: improve XLOG replay
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insertion and deletion, modify gistSplit() to do not use buffers.
TODO: gistvacuumcleanup and XLOG
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comment line where output as too long, and update typedefs for /lib
directory. Also fix case where identifiers were used as variable names
in the backend, but as typedefs in ecpg (favor the backend for
indenting).
Backpatch to 8.1.X.
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- add forgotten check of lsn for insert completion
- remove level of pages: hard to check in recovery
- some cleanups
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- full concurrency for insert/update/select/vacuum:
- select and vacuum never locks more than one page simultaneously
- select (gettuple) hasn't any lock across it's calls
- insert never locks more than two page simultaneously:
- during search of leaf to insert it locks only one page
simultaneously
- while walk upward to the root it locked only parent (may be
non-direct parent) and child. One of them X-lock, another may
be S- or X-lock
- 'vacuum full' locks index
- improve gistgetmulti
- simplify XLOG records
Fix bug in index_beginscan_internal: LockRelation may clean
rd_aminfo structure, so move GET_REL_PROCEDURE after LockRelation
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2. improve vacuum for gist
- use FSM
- full vacuum:
- reforms parent tuple if it's needed
( tuples was deleted on child page or parent tuple remains invalid
after crash recovery )
- truncate index file if possible
3. fixes bugs and mistakes
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recovery after crash (power loss etc) it may say that it can't restore
index and index should be reindexed.
Some refactoring code.
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