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* 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
This commit is contained in:
Teodor Sigaev
2006-06-28 12:00:14 +00:00
parent a1dc5c60bc
commit 1f7ef548ec
23 changed files with 266 additions and 645 deletions
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3
src/backend/access/gist/gistget.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gist/gistget.c,v 1.57 2006/05/24 11:01:39 teodor Exp $
* $PostgreSQL: pgsql/src/backend/access/gist/gistget.c,v 1.58 2006/06/28 12:00:14 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@ -391,7 +391,6 @@ gistindex_keytest(IndexTuple tuple,
gistdentryinit(giststate, key->sk_attno - 1, &de,
datum, r, p, offset,
IndexTupleSize(tuple) - sizeof(IndexTupleData),
FALSE, isNull);
/*