Would glob be faster than like? Since I assume like has to case-convert? And you don't have to set any pragmas or NOCASE for it to use the index.
select * from tsamov where tsamov_code glob 'AFG*'; sqlite> explain query plan select * from tsamov where tsamov_code glob 'AFG*'; sele order from deta ---- ------------- ---- ---- 0 0 0 SEARCH TABLE tsamov USING INDEX i1 (tsamov_code>? AND tsamov_code<?) (~55000 rows) Michael D. Black Senior Scientist NG Information Systems Advanced Analytics Directorate ________________________________ From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on behalf of Igor Tandetnik [itandet...@mvps.org] Sent: Thursday, July 14, 2011 11:07 AM To: sqlite-users@sqlite.org Subject: EXT :Re: [sqlite] Index question about index On 7/14/2011 12:01 PM, Pavel Ivanov wrote: >> could the next query use the tsamov_code index ??: >> select * from tsamov where tsamov_code like 'AFG%' > > Only after > pragma case_sensitive_like = true; ... or if the index uses COLLATE NOCASE clause. -- Igor Tandetnik _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
