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3 check-ins using file src/where.c version 24096104

2014-11-05
15:57
Make sure that NULL results from OP_Column are fully and completely NULL and do not have the MEM_Ephem bit set. Fix for ticket [094d39a4c95ee4]. (check-in: 42705fd7 user: drh tags: trunk)
14:19
Add a test case to check that the previous commit is effective. (check-in: 948d6e5d user: dan tags: trunk)
13:13
Enhance whereLoopCheaperProperSubset(X,Y) so that it does not report true if X uses skip-scan less than Y, since in that case X might deserve to be cheaper even if it is a proper subset. (check-in: c106b755 user: drh tags: trunk)