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4 Commits

Author SHA1 Message Date
Teodor Sigaev d4c6da1527 Allow GIN's extractQuery method to signal that nothing can satisfy the query. 
In this case extractQuery should returns -1 as nentries. This changes
prototype of extractQuery method to use int32* instead of uint32* for
nentries argument.
Based on that gincostestimate may see two corner cases: nothing will be found
or seqscan should be used.

Per proposal at http://archives.postgresql.org/pgsql-hackers/2007-01/msg01581.php

PS tsearch_core patch should be sightly modified to support changes, but I'm
waiting a verdict about reviewing of tsearch_core patch.
 2007-01-31 15:09:45 +00:00
Bruce Momjian f99a569a2e pgindent run for 8.2. 2006-10-04 00:30:14 +00:00
Bruce Momjian 66c15dfda1 Adjust /contrib for new include file contents. 2006-07-13 16:57:31 +00:00
Teodor Sigaev 8a3631f8d8 GIN: Generalized Inverted iNdex. 
text[], int4[], Tsearch2 support for GIN.
 2006-05-02 11:28:56 +00:00