drh
69c15fee98
Refinements to the determination of when an A==B term is an equivalence.
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Add test cases.
FossilOrigin-Name: 6bfaf525cac2e0c0a4a3bd3a1fc7bf5bd3234303
2015-05-18 11:34:52 +00:00
drh
5d8806e07c
A few more test cases for the IS operator.
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FossilOrigin-Name: f397c8622ae5a36a71f81d9f2549ca314005ece5
2015-05-14 14:03:21 +00:00
drh
70a0222f07
Add regression tests for ticket [c620261b5b5].
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FossilOrigin-Name: 05a35b09b140fed0898afd36bc641e275545a35f
2013-10-28 20:38:52 +00:00
drh
b5246e518b
Fix an adverse interaction between the IS NOT NULL optimization (available
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only with SQLITE_ENABLE_STAT3) and the transitive constraint processing.
Fix for ticket [d805526eae253]
FossilOrigin-Name: 3b30b75b342bb6b424ad2bf7cd841b2c88bdad44
2013-07-08 21:12:57 +00:00
drh
63db0392ae
Avoid unnecessary collating sequence and affinity restrictions on the use
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of transitivity. Add test cases to show that the restrictions are not
needed.
FossilOrigin-Name: 56549f45666b53876012df5c2bdf813474e10925
2013-01-17 16:18:55 +00:00
