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|04:18||Factor constant functions out of the inner loop since they are more expensive than the extra OP_Copy needed to move the result into place. check-in: 80ad317f user: drh tags: trunk|
|04:10||Clean up the implementation of constant function factorization. Closed-Leaf check-in: 2ab997e4 user: drh tags: factor-constant-funcs|
|01:07||Attempt to factor out constant functions from the interior of table scans, since functions can often be expensive to compute. check-in: 62e9270a user: drh tags: factor-constant-funcs|
|21:57||Use compiler intrinsic functions for signed integer math when overflow detection is needed. check-in: d3ac32a6 user: drh tags: trunk|