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More efficient handling of the LIMIT clause. Scalar subqueries and EXISTS

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on compound SELECT statements now working properly.  Ticket #1473. (CVS 2747)

FossilOrigin-Name: edca8913ca012fc0c17343a27f819de95147b1bd
This commit is contained in:
drh
2005-10-06 16:53:14 +00:00
parent 23cc57f6a3
commit ec7429ae27
9 changed files with 829 additions and 69 deletions
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4
test/where.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the use of indices in WHERE clases.
#
# $Id: where.test,v 1.36 2005/09/08 10:37:02 drh Exp $
# $Id: where.test,v 1.37 2005/10/06 16:53:17 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -306,7 +306,7 @@ do_test where-4.2 {
count {
SELECT * FROM t1 WHERE 1 LIMIT 1
}
} {1 0 4 1}
} {1 0 4 0}
do_test where-4.3 {
execsql {
SELECT 99 WHERE 0