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12 Commits

Author SHA1 Message Date
Teodor Sigaev 1f7ef548ec Changes 
* 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
 2006-06-28 12:00:14 +00:00
Bruce Momjian 1dc3498251 Standard pgindent run for 8.1. 2005-10-15 02:49:52 +00:00
Teodor Sigaev ef770cbb69 Fixes from Janko Richter <jankorichter@yahoo.de> 
- Fix wrong index results on text, char, varchar for multibyte strings
- Fix some SIGFPE signals
- Add support for infinite timestamps
- Because of locale settings, btree_gist can not be a prefix index anymore (for text).
  Each node holds now just the lower and upper boundary.
 2005-07-01 13:44:56 +00:00
Neil Conway 36ab600511 Cleanup of GiST extensions in contrib/: now that we always invoke GiST 
methods in a short-lived memory context, there is no need for GiST methods
to do their own manual (and error-prone) memory management.
 2005-05-21 12:08:06 +00:00
Neil Conway c6c6fa8f7e Fix typo in comment. 2005-05-16 06:45:57 +00:00
Neil Conway 8d6e9bca37 This patch makes some minor style cleanups to contrib/btree_gist: remove 
the "extern" keyword from function definitions, reorganize some
PG_GETARG_XXX() usage, and similar.
 2005-05-12 00:39:37 +00:00
Teodor Sigaev e1662cb6b8 Simplify/clean up code for varlena types 2005-03-01 15:40:04 +00:00
Bruce Momjian 15d3f9f6b7 Another pgindent run with lib typedefs added. 2004-08-30 02:54:42 +00:00
Bruce Momjian b6b71b85bc Pgindent run for 8.0. 2004-08-29 05:07:03 +00:00
Tom Lane 86d78021a4 Whack btree_gist code around until it has some small hope of building 
on non-gcc compilers.
 2004-08-21 00:09:10 +00:00
Teodor Sigaev 7b81988f9b - Add aligment of variable data types 
- Add aligment for interval data types
- Avoid floating point overflow in penalty functions
Janko Richter <jankorichter@yahoo.de> and teodor
 2004-06-03 12:26:10 +00:00
Teodor Sigaev 42d069886f New version. Add support for int2, int8, float4, float8, timestamp with/without time zone, time with/without time zone, date, interval, oid, money and macaddr, char, varchar/text, bytea, numeric, bit, varbit, inet/cidr types for GiST 2004-05-28 10:43:32 +00:00