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7 check-ins using file src/expr.c version bfed2f8a

2012-09-20
15:41
Continuing incremental enhancements of SELECT code generation: Remove the Select.affinity field. Use SelectDest.affSdst instead. (check-in: cf40b7b5 user: drh tags: trunk)
14:26
Refactoring of DISTINCT code. Change the name of the local variable "distinct" to "distinctTab". Generate cleaner code w/o unnecessary P4 and P5 values on the OP_Null for WHERE_DISTINCT_ORDERED. (check-in: 0cda241a user: drh tags: trunk)
2012-09-19
21:15
Tighter VDBE code for the WHERE_DISTINCT_ORDERED case of DISTINCT keyword handling. (check-in: 94b48064 user: drh tags: trunk)
17:31
Add comments to the WHERE_DISTINCT_* macros. No changes to code. (check-in: 82320501 user: drh tags: trunk)
00:35
Merge the covering-index-scan optimization into trunk. (check-in: ddd5d789 user: drh tags: trunk)
2012-09-18
23:21
Silence harmless compiler warning seen with SQLITE_OMIT_DEPRECATED. (check-in: c5cee969 user: mistachkin tags: trunk)
19:29
Enhance IN processing to allow efficient use of indices with numeric affinities. Add test cases for IN processing that would have spotted the error in the [2be661a48023f4] check-in. (check-in: 5ded9b68 user: drh tags: trunk)