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Minor optimizations for sub-selects in EXISTS(...) expressions: Discard any DISTINCT...
authordanielk1977 <danielk1977@noemail.net>
Wed, 2 Jan 2008 17:11:14 +0000 (17:11 +0000)
committerdanielk1977 <danielk1977@noemail.net>
Wed, 2 Jan 2008 17:11:14 +0000 (17:11 +0000)
commit9ed1dfa802c24fc678f6ca11e4616b4edc414fed
tree5d83503d87d2430a5c3cb0409d810538c98f7269tree | snapshot
parent6c8c8ce0e2f8d1d434c9d05baf2741bc025e53d2commit | diff
Minor optimizations for sub-selects in EXISTS(...) expressions: Discard any DISTINCT or ORDER BY clauses and do not calculate any column values. (CVS 4658)

FossilOrigin-Name: fbd17a8976cc9b4dd7c7c903d8beade9a7ef095f
manifest diff | blob | blame | history
manifest.uuid diff | blob | blame | history
src/select.c diff | blob | blame | history
src/sqliteInt.h diff | blob | blame | history
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