drh
e411b69537
Fix the LEFT JOIN strength reduction for IN operators in the WHERE clause.
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Further simplifications and refinement of the algorithm.
FossilOrigin-Name: 96c72dde79d4069f6c2f81467a35b617633f86f7a7dcafbda991affdaa1f8537
2023-06-01 00:01:20 +00:00
drh
ec27077c4f
New test cases added.
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FossilOrigin-Name: bdd1499c0fa4f8aadf4857a0ccc0d839c250369f29766ebef80330964905e63b
2022-04-11 18:54:23 +00:00
drh
c1085ea412
In the automatic index generator logic, be more precise about when a
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partial automatic index is allowed in order to capture more cases where it
is legal to use a partial automatic index.
FossilOrigin-Name: 664b461bb5063d98047fc2e51a3827235cd9f55ca2e23cb66e719eac53fb5437
2021-11-30 14:07:58 +00:00
drh
077f06edfa
This additional fix prevents a partial index from being qualified for use
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if the constraint that qualifies the partial index is part of the ON clause of
a LEFT JOIN.
FossilOrigin-Name: 1a1516e4da26dcee35e6fbb6604ce252faf3d116
2015-02-24 16:48:59 +00:00
drh
36f65bafe5
Make sure partial automatic indexes are not based on terms in the ON clause
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of a LEFT JOIN. Fix for ticket [2326c258d02ead3].
FossilOrigin-Name: c0f4e308a508183b72ceda447dc3ac778cb85b9f
2015-02-24 16:05:54 +00:00
drh
059b2d50e1
Enhance the automatic index logic so that it creates a partial index when
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doing so gives the same answer for less work.
FossilOrigin-Name: d95d0313c447f5baeabdb17284d8606331ab7d49
2014-10-24 19:28:09 +00:00
