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path: root/src/backend/access/gist/gistutil.c
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* Minor tweaking of index special-space definitions so that the variousTom Lane2007-04-091-3/+4
| | | | | | | | | | index types can be reliably distinguished by examining the special space on an index page. Per my earlier proposal, plus the realization that there's no need for btree's vacuum cycle ID to cycle through every possible 16-bit value. Restricting its range a little costs nearly nothing and eliminates the possibility of collisions. Memo to self: remember to make bitmap indexes play along with this scheme, assuming that patch ever gets accepted.
* Update CVS HEAD for 2007 copyright. Back branches are typically notBruce Momjian2007-01-051-2/+2
| | | | back-stamped for this.
* pgindent run for 8.2.Bruce Momjian2006-10-041-80/+109
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* Remove 576 references of include files that were not needed.Bruce Momjian2006-07-141-4/+1
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* Code review for FILLFACTOR patch. Change WITH grammar as per earlierTom Lane2006-07-031-11/+13
| | | | | | | | | | | | | | | | discussion (including making def_arg allow reserved words), add missed opt_definition for UNIQUE case. Put the reloptions support code in a less random place (I chose to make a new file access/common/reloptions.c). Eliminate header inclusion creep. Make the index options functions safely user-callable (seems like client apps might like to be able to test validity of options before trying to make an index). Reduce overhead for normal case with no options by allowing rd_options to be NULL. Fix some unmaintainably klugy code, including getting rid of Natts_pg_class_fixed at long last. Some stylistic cleanup too, and pay attention to keeping comments in sync with code. Documentation still needs work, though I did fix the omissions in catalogs.sgml and indexam.sgml.
* Add FILLFACTOR to CREATE INDEX.Bruce Momjian2006-07-021-3/+17
| | | | ITAGAKI Takahiro
* ChangesTeodor Sigaev2006-06-281-360/+61
| | | | | | | | | | | | | | | | | | | | * new split algorithm (as proposed in http://archives.postgresql.org/pgsql-hackers/2006-06/msg00254.php) * possible call pickSplit() for second and below columns * add spl_(l|r)datum_exists to GIST_SPLITVEC - pickSplit should check its values to use already defined spl_(l|r)datum for splitting. pickSplit should set spl_(l|r)datum_exists to 'false' (if they was 'true') to signal to caller about using spl_(l|r)datum. * support for old pickSplit(): not very optimal but correct split * remove 'bytes' field from GISTENTRY: in any case size of value is defined by it's type. * split GIST_SPLITVEC to two structures: one for using in picksplit and second - for internal use. * some code refactoring * support of subsplit to rtree opclasses TODO: add support of subsplit to contrib modules
* Som improve page split in multicolumn GiST index.Teodor Sigaev2006-05-291-38/+47
| | | | | | If user picksplit on n-th column generate equals left and right unions then it calls picksplit on n+1-th column.
* * Add support NULL to GiST.Teodor Sigaev2006-05-241-278/+198
| | | | | | | | * some refactoring and simplify code int gistutil.c and gist.c * now in some cases it can be called used-defined picksplit method for non-first column in index, but here is a place to do more. * small fix of docs related to support NULL.
* Simplify gistSplit() and some refactoring related code.Teodor Sigaev2006-05-191-80/+105
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* Reduce size of critial section during vacuum full, criticalTeodor Sigaev2006-05-171-5/+4
| | | | | | | | sections now isn't nested. All user-defined functions now is called outside critsections. Small improvements in WAL protocol. TODO: improve XLOG replay
* Reduce size of critical section and remove call of user-defined functions inTeodor Sigaev2006-05-101-5/+21
| | | | | | insertion and deletion, modify gistSplit() to do not use buffers. TODO: gistvacuumcleanup and XLOG
* Update copyright for 2006. Update scripts.Bruce Momjian2006-03-051-2/+2
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* Re-run pgindent, fixing a problem where comment lines after a blankBruce Momjian2005-11-221-7/+9
| | | | | | | | | 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.
* Add simple sanity checks on newly-read pages to GiST, too.Tom Lane2005-11-061-27/+82
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* pgindent new GIST index code, per request from Tom.Bruce Momjian2005-09-221-58/+67
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* Adjust GiST error messages to conform to message style guidelines.Tom Lane2005-09-221-4/+5
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* Bug fixes for GiST crash recovery.Teodor Sigaev2005-06-301-3/+1
| | | | | | - add forgotten check of lsn for insert completion - remove level of pages: hard to check in recovery - some cleanups
* Code cleanup. gistfillbuffer accepts InvalidOffsetNumber.Teodor Sigaev2005-06-281-1/+5
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* Concurrency for GiSTTeodor Sigaev2005-06-271-18/+30
| | | | | | | | | | | | | | | | | | - 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
* 1. full functional WAL for GiSTTeodor Sigaev2005-06-201-9/+109
| | | | | | | | | | | 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
* WAL for GiST. It work for online backup and so on, but onTeodor Sigaev2005-06-141-0/+785
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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