4 commits

Author	SHA1	Message	Date
Tom Lane	697f5cadf5	Fix contrib/pg_trgm's similarity() function for trigram-free strings. ... Cases such as similarity('', '') produced a NaN result due to computing 0/0. Per discussion, make it return zero instead. This appears to be the basic cause of bug #7867 from Michele Baravalle, although it remains unclear why her installation doesn't think Cyrillic letters are letters. Back-patch to all active branches.	2013-02-13 14:07:26 -05:00
Tom Lane	30e2c42e00	Fix a few contrib regression test scripts that hadn't gotten the word ... about best practice for including the module creation scripts: to wit that you should suppress NOTICE messages. This avoids creating regression failures by adding or removing comment lines in the module scripts.	2007-11-13 06:29:04 +00:00
Teodor Sigaev	15f91f2789	Add GIN support for pg_trgm. From Guillaume Smet <guillaume.smet@gmail.com> ... with minor editorization by me.	2007-03-14 14:15:40 +00:00
Teodor Sigaev	cbfa4092bb	trgm - Trigram matching for PostgreSQL ... -------------------------------------- The pg_trgm contrib module provides functions and index classes for determining the similarity of text based on trigram matching.	2004-05-31 17:18:12 +00:00