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Changes In Branch factor-constant-funcs Excluding Merge-Ins
This is equivalent to a diff from d3ac32a6 to 2ab997e4
|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)|
|00:26||Changes to the printf implementation for better performance. (Closed-Leaf check-in: acdb8f6f user: drh tags: printf-optimization)|
|21:57||Use compiler intrinsic functions for signed integer math when overflow detection is needed. (check-in: d3ac32a6 user: drh tags: trunk)|
|21:50||Back out the use of __sync_fetch_and_sub() as it does not appear to work. (Closed-Leaf check-in: 4c2efd42 user: drh tags: gnu-safe-math)|
|14:45||Add the experimental affinity() SQL function when SQLITE_DEBUG is defined. (check-in: bed0eaa5 user: drh tags: trunk)|
Changes to src/expr.c.
Changes to src/sqliteInt.h.