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author	drh <drh@noemail.net>
	Sun, 16 Sep 2018 16:18:01 +0000 (16:18 +0000)
committer	drh <drh@noemail.net>
	Sun, 16 Sep 2018 16:18:01 +0000 (16:18 +0000)
commit	9b84f03556eea1c5d70d57c20e606796553cd494
tree	89b56c83616334c6ddc4c3f90692f7d379066fee	tree \| snapshot
parent	2b7cdf6f6bef59774c16ee648b3945946a4d1ba6	commit \| diff

Add the new "explain" virtual table in ext/misc. Use this virtual table
for additional test cases for the optimization that avoids updating indexes
on expressions when none of the columns changed by the UPDATE are in the
expression.

FossilOrigin-Name: 2404304cc15eaeee2744cf3c8f9cac0a544631c4f1060c5a17a78b43ca86edf0

Makefile.in		diff \| blob \| blame \| history
Makefile.msc		diff \| blob \| blame \| history
ext/misc/explain.c	[new file with mode: 0644]	blob
main.mk		diff \| blob \| blame \| history
manifest		diff \| blob \| blame \| history
manifest.uuid		diff \| blob \| blame \| history
src/test1.c		diff \| blob \| blame \| history
test/indexexpr2.test		diff \| blob \| blame \| history

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