/ Changes On Branch multi-or-covering-index
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Changes In Branch multi-or-covering-index Excluding Merge-Ins

This is equivalent to a diff from d4cd6017c9 to b722143d07

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)
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)
2012-08-23
22:45
Merge changes for the new sqlite3_win32_set_directory API to trunk. (check-in: 20f184f2d5 user: mistachkin tags: trunk)
19:46
Add test cases and fix bugs associated with the previous check-in enhancements to nested aggregate subquery processing. (Closed-Leaf check-in: 00b1dc71be user: drh tags: nested-agg)

Changes to src/delete.c.

Changes to src/fkey.c.

Changes to src/select.c.

Changes to src/sqliteInt.h.

Changes to src/update.c.

Changes to src/where.c.

Added test/whereD.test.