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2012-08-24
23:56
When the same index is used for all OR-terms in a WHERE clause, then try to use that index as a covering index. check-in: 62678be3df user: drh tags: trunk
23:24
Move field WhereLevel.pCovidx inside the union to WhereLevel.u.pCovidx. Closed-Leaf check-in: b722143d07 user: drh tags: multi-or-covering-index
21:54
Remove a NEVER() that is in fact reachable on an OOM. This probably has nothing to do with the multi-or-covering-index change but just happened to be found while testing that change. check-in: 5499af53eb user: drh tags: multi-or-covering-index
19:58
Another test for whereD.test. check-in: 29d586178d user: dan tags: multi-or-covering-index
19:52
Add extra tests to whereD.test. check-in: 7e961eef6b user: dan tags: multi-or-covering-index
18:44
Fix a problem to do with multi-or queries and automatic indexes. check-in: a3e26038a1 user: dan tags: multi-or-covering-index
17:52
More test cases for OR-optimization covering indices. check-in: e5c3190c27 user: drh tags: multi-or-covering-index
15:29
Additional test cases for OR-optimization with covering indices, including one test case that currently fails. check-in: d8b7ab3712 user: drh tags: multi-or-covering-index
10:52
Experimental change to support the covering index optimization for queries with OR terms in the WHERE clause that search a single index more than once. check-in: 1dc8c7c741 user: dan tags: multi-or-covering-index
01:07
Merge the nested aggregate query enhancements into trunk. check-in: d4cd6017c9 user: drh tags: trunk