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2018-05-02
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| 18:00 | [949b4f5a] part of check-in [5f0e803e] Fix test cases so that they work with the new EXPLAIN QUERY PLAN output format. Only some of the cases have been fixed. This is an incremental check-in. (check-in: [5f0e803e] user: drh branch: rework-EQP, size: 2958) | |
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2017-07-18
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| 17:34 | [69aeb460] part of check-in [9dbae1df] Do not use the flattening optimization for a sub-query on the RHS of a LEFT JOIN if that subquery reads data from a virtual table. Because it prevents the planner from creating an automatic index on the results of the sub-query, the flattening optimization sometimes slows things down in this case. (check-in: [9dbae1df] user: dan branch: trunk, size: 2929) | |
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2017-06-27
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| 16:39 | [a758accc] part of check-in [87b38166] Fix a virtual table problem that can occur when the vtab is on the RHS of a LEFT JOIN and there is a MATCH constraint in the ON clause, or when the vtab is in a sub-query that is the RHS of a LEFT JOIN and there is a MATCH constraint in the WHERE clause of the sub-query. (check-in: [87b38166] user: dan branch: trunk, size: 2310) | |
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2016-02-05
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| 16:46 | [34750f3c] part of check-in [a6b35273] From test scripts, remove stray "breakpoint" commands and blank lines at the ends of files. (check-in: [a6b35273] user: drh branch: trunk, size: 1864) | |
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2014-01-04
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| 14:42 | [53e66a0c] part of check-in [24f84b38] Instead of having the planner ignore plans with unusable MATCH constraints, have FTS assign extremely high costs to such plans in order to discourage the planner from using them. (check-in: [24f84b38] user: dan branch: avoid-unusable-match, size: 1866) | |
| 14:16 | Added: [bc8e5ca3] part of check-in [19f3208b] Have the planner detect cases where a MATCH constraint is applied to a virtual table, and ignore any plans that do not allow the virtual table implementation to implement the MATCH filtering. (check-in: [19f3208b] user: dan branch: avoid-unusable-match, size: 1830) | |