]> git.ipfire.org Git - thirdparty/sqlite.git/commit
Add an optimization to OP_Column to speed up sequential OP_Column sort-column-opcodes
authordan <dan@noemail.net>
Sat, 18 Feb 2017 20:05:05 +0000 (20:05 +0000)
committerdan <dan@noemail.net>
Sat, 18 Feb 2017 20:05:05 +0000 (20:05 +0000)
commit2352d1333c8994b901e536f25b68b28888bfd8ac
tree7c10d4244c05c4e6e5110ef605fb4695f498a585
parenteeea412a9d2b26f9f82157899520e3ad2e2ee34f
Add an optimization to OP_Column to speed up sequential OP_Column
instructions that read earlier fields from the same cursor. Attempt to reorder
OP_Column opcodes so as to take advantage of this.

FossilOrigin-Name: c1adf95958d5210bf9f89fc86d0f6fc6ce32c480
manifest
manifest.uuid
src/expr.c
src/select.c
src/sqliteInt.h
src/update.c
src/vdbe.c
src/vdbe.h
src/vdbeInt.h
src/vdbeaux.c
src/wherecode.c