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2017-01-04
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: 80ad317f89 user: drh tags: trunk
04:10
Clean up the implementation of constant function factorization. Closed-Leaf check-in: 2ab997e479 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: 62e9270a80 user: drh tags: factor-constant-funcs
2017-01-03
21:57
Use compiler intrinsic functions for signed integer math when overflow detection is needed. check-in: d3ac32a6e7 user: drh tags: trunk