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3 check-ins related to "exp-agg-opt"

2018-06-05
23:21
Avoid unnecessary loads of columns in an aggregate query that are not within an aggregate function and that are not part of the GROUP BY clause. check-in: e15e1006 user: drh tags: trunk
20:04
Calculate non-aggregate expressions in the SELECT list of an aggregate query that does not use min() or max() once per group, instead of once per row visited. Closed-Leaf check-in: dce2dfbe user: dan tags: exp-agg-opt
13:43
Update and correct the documentation on the OP_OpenRead, OP_OpenWrite, and OP_ReopenIdx opcodes. No code changes other than the addition of an assert(). check-in: 8a0b730d user: drh tags: trunk