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If a unique index covers any prefix of the ORDER BY clause then let it

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satisfy the ORDER BY clause. (CVS 5301)

FossilOrigin-Name: e53403b6d742be83c5b130ed6cef4035d081d613
This commit is contained in:
drh
2008-06-25 02:47:57 +00:00
parent fae37af17f
commit ff354e91ba
5 changed files with 16 additions and 13 deletions
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4
test/misc3.test
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@@ -13,7 +13,7 @@
# This file implements tests for miscellanous features that were
# left out of other test files.
#
# $Id: misc3.test,v 1.18 2008/01/19 23:50:26 drh Exp $
# $Id: misc3.test,v 1.19 2008/06/25 02:47:57 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -274,7 +274,7 @@ ifcapable {explain} {
} {1}
do_test misc3-6.11 {
set x [execsql {
EXPLAIN SELECT a+123456789012, b*4.5678, c FROM ex1 ORDER BY a, b DESC
EXPLAIN SELECT a+123456789012, b*4.5678, c FROM ex1 ORDER BY +a, b DESC
}]
set y [regexp { 123456789012 } $x]
lappend y [regexp { 4.5678 } $x]

2
test/selectA.test
View File

@@ -17,7 +17,7 @@
# explicit sort order and explicit collating secquites) and
# with and without optional LIMIT and OFFSET clauses.
#
# $Id: selectA.test,v 1.1 2008/06/25 02:22:32 drh Exp $
# $Id: selectA.test,v 1.2 2008/06/25 02:47:57 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl