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(parent: 678ccce) | patch
Avoid duplicate OP_Column opcodes by remembering prior results.
authordrh <drh@noemail.net>
Mon, 31 Mar 2008 23:48:03 +0000 (23:48 +0000)
committerdrh <drh@noemail.net>
Mon, 31 Mar 2008 23:48:03 +0000 (23:48 +0000)
commite55cbd722839062c039f1162ce517e80d5219ccf
treea2e97c1a00a956a52d96b32375beaa0f5fb0a4d7tree
parent678ccce8b35a0abb69bbcd4b7ceccf9d5400f395commit | diff
Avoid duplicate OP_Column opcodes by remembering prior results.
This is similar to CSE, but only applies to columns. (CVS 4943)

FossilOrigin-Name: c29ee0fed23dcdbd9dde6b1e42b603100ea2389c
manifest diff | blob | blame | history
manifest.uuid diff | blob | blame | history
src/delete.c diff | blob | blame | history
src/expr.c diff | blob | blame | history
src/insert.c diff | blob | blame | history
src/select.c diff | blob | blame | history
src/sqliteInt.h diff | blob | blame | history
src/update.c diff | blob | blame | history
src/where.c diff | blob | blame | history
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