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2015-06-13
19:05
Added test cases based on Bruce Momjian's talk on SQL NULLs. Leaf check-in: 68c168b5e5 user: drh tags: is-distinct-from
11:48
Add the IS DISTINCT FROM and IS NOT DISTINCT FROM operators. check-in: 0be4478209 user: drh tags: is-distinct-from
11:19
Omit mutex calls in pcache1 when the mutex is NULL, for a significant performance improvement. check-in: caf8f574e5 user: drh tags: trunk