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| author | danielk1977 <danielk1977@noemail.net> | 2009-02-23 17:33:49 +0000 |
|---|---|---|
| committer | danielk1977 <danielk1977@noemail.net> | 2009-02-23 17:33:49 +0000 |
| commit | e2d7b24d0845001051956223cccd3eae73fcbd3e (patch) | |
| tree | 0b05f743663f9caa3683e639b9d6c2bd06d0807e /src/mutex_unix.c | |
| parent | 699b3d4f89f2d97ce5699eaf1931243a3d8dc488 (diff) | |
| download | sqlite-e2d7b24d0845001051956223cccd3eae73fcbd3e.tar.gz sqlite-e2d7b24d0845001051956223cccd3eae73fcbd3e.zip | |
Scan an index instead of a table for "SELECT count(*) FROM <tbl>" queries. Because an index is usually smaller than a table on disk, this saves some IO. (CVS 6315)
FossilOrigin-Name: 294ba6f743c9132dce0e73da480bd3c2071e7239
Diffstat (limited to 'src/mutex_unix.c')
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