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Get LIMIT and OFFSET working again for negative limits and offsets.

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Ticket #1586. (CVS 2889)

FossilOrigin-Name: b2ac0be07ec76ab23b7e5b800c0bc62d0bc97f4b
This commit is contained in:
drh
2006-01-08 18:10:17 +00:00
parent 6f58f7069b
commit 15007a99e4
8 changed files with 97 additions and 57 deletions
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14
test/limit.test
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@@ -12,7 +12,7 @@
# focus of this file is testing the LIMIT ... OFFSET ... clause
# of SELECT statements.
#
# $Id: limit.test,v 1.25 2005/09/08 10:37:01 drh Exp $
# $Id: limit.test,v 1.26 2006/01/08 18:10:18 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -44,6 +44,18 @@ do_test limit-1.2.2 {
execsql {SELECT x FROM t1 ORDER BY x LIMIT 5 OFFSET 2}
} {2 3 4 5 6}
do_test limit-1.2.3 {
execsql {SELECT x FROM t1 ORDER BY x+1 LIMIT 5 OFFSET -2}
} {0 1 2 3 4}
do_test limit-1.2.4 {
execsql {SELECT x FROM t1 ORDER BY x+1 LIMIT 2, -5}
} {2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31}
do_test limit-1.2.5 {
execsql {SELECT x FROM t1 ORDER BY x+1 LIMIT -2, 5}
} {0 1 2 3 4}
do_test limit-1.2.6 {
execsql {SELECT x FROM t1 ORDER BY x+1 LIMIT -2, -5}
} {0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31}
do_test limit-1.2.7 {
execsql {SELECT x FROM t1 ORDER BY x LIMIT 2, 5}
} {2 3 4 5 6}
do_test limit-1.3 {