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Tests for the subquery flattening fix of check-in (2987). (CVS 2988)

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FossilOrigin-Name: 72a067f0df5818c0fdb3b9f8af20f83bb2e1dd34
This commit is contained in:
drh
2006-01-22 00:14:39 +00:00
parent ac83963afa
commit fe61378a22
3 changed files with 57 additions and 8 deletions
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51
test/select6.test
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@ -12,7 +12,7 @@
# focus of this file is testing SELECT statements that contain
# subqueries in their FROM clause.
#
# $Id: select6.test,v 1.21 2005/11/14 22:29:06 drh Exp $
# $Id: select6.test,v 1.22 2006/01/22 00:14:39 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -454,5 +454,54 @@ do_test select6-8.6 {
} {1}
} ;# ifcapable view
# Ticket #1634
#
do_test select6-9.1 {
execsql {
SELECT a.x, b.x FROM t1 AS a, (SELECT x FROM t1 LIMIT 2) AS b
}
} {1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2}
do_test select6-9.2 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT 2);
}
} {1 2}
do_test select6-9.3 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT 2 OFFSET 1);
}
} {2 3}
do_test select6-9.4 {
execsql {
SELECT x FROM (SELECT x FROM t1) LIMIT 2;
}
} {1 2}
do_test select6-9.5 {
execsql {
SELECT x FROM (SELECT x FROM t1) LIMIT 2 OFFSET 1;
}
} {2 3}
do_test select6-9.6 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT 2) LIMIT 3;
}
} {1 2}
do_test select6-9.7 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT -1) LIMIT 3;
}
} {1 2 3}
do_test select6-9.8 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT -1);
}
} {1 2 3 4}
do_test select6-9.9 {
execsql {
SELECT x FROM (SELECT x FROM t1 LIMIT -1 OFFSET 1);
}
} {2 3 4}
finish_test