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Fix another memory leak related to UNION ALL and sub-selects. (CVS 5336)

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FossilOrigin-Name: 56109b9a1f600ab3f16769aba0d47dcf782bbc95
This commit is contained in:
danielk1977
2008-07-01 17:39:27 +00:00
parent 4dc8ef520a
commit 5e7ad50858
4 changed files with 155 additions and 54 deletions
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test/selectB.test
+142 -44
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@@ -10,7 +10,7 @@
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# $Id: selectB.test,v 1.3 2008/07/01 16:05:26 danielk1977 Exp $
# $Id: selectB.test,v 1.4 2008/07/01 17:39:28 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -144,56 +144,154 @@ for {set ii 1} {$ii <= 2} {incr ii} {
UNION ALL SELECT c FROM t1 WHERE c>=10
ORDER BY 1 LIMIT 3
} {12 12 14}
}
do_test selectB-2.1 {
do_test selectB-3.0 {
execsql {
SELECT DISTINCT * FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
ORDER BY 1;
}
} {6 12 15 18 24}
do_test selectB-2.2 {
execsql {
SELECT c, count(*) FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
GROUP BY c ORDER BY 1;
}
} {6 2 12 1 15 1 18 1 24 1}
do_test selectB-2.3 {
execsql {
SELECT c, count(*) FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
GROUP BY c HAVING count(*)>1;
}
} {6 2}
do_test selectB-2.4 {
execsql {
SELECT t4.c, t3.a FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2) AS t4, t1 AS t3
WHERE t3.a=14
ORDER BY 1
}
} {6 14 6 14 12 14 15 14 18 14 24 14}
do_test selectB-2.5 {
execsql {
SELECT d FROM t2
EXCEPT
SELECT a FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
DROP INDEX i1;
DROP INDEX i2;
}
} {}
do_test selectB-2.6 {
execsql {
SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
EXCEPT
SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
for {set ii 3} {$ii <= 4} {incr ii} {
if {$ii == 4} {
do_test selectB-4.0 {
execsql {
CREATE INDEX i1 ON t1(a);
CREATE INDEX i2 ON t1(b);
CREATE INDEX i3 ON t1(c);
CREATE INDEX i4 ON t2(d);
CREATE INDEX i5 ON t2(e);
CREATE INDEX i6 ON t2(f);
}
} {}
}
} {}
do_test selectB-$ii.1 {
execsql {
SELECT DISTINCT * FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
ORDER BY 1;
}
} {6 12 15 18 24}
do_test selectB-$ii.2 {
execsql {
SELECT c, count(*) FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
GROUP BY c ORDER BY 1;
}
} {6 2 12 1 15 1 18 1 24 1}
do_test selectB-$ii.3 {
execsql {
SELECT c, count(*) FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2)
GROUP BY c HAVING count(*)>1;
}
} {6 2}
do_test selectB-$ii.4 {
execsql {
SELECT t4.c, t3.a FROM
(SELECT c FROM t1 UNION ALL SELECT e FROM t2) AS t4, t1 AS t3
WHERE t3.a=14
ORDER BY 1
}
} {6 14 6 14 12 14 15 14 18 14 24 14}
do_test selectB-$ii.5 {
execsql {
SELECT d FROM t2
EXCEPT
SELECT a FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
}
} {}
do_test selectB-$ii.6 {
execsql {
SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
EXCEPT
SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2)
}
} {}
do_test selectB-$ii.7 {
execsql {
SELECT c FROM t1
EXCEPT
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
}
} {12}
do_test selectB-$ii.8 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
EXCEPT
SELECT c FROM t1
}
} {9 15 24 27}
do_test selectB-$ii.9 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
EXCEPT
SELECT c FROM t1
ORDER BY c DESC
}
} {27 24 15 9}
do_test selectB-$ii.10 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
UNION
SELECT c FROM t1
ORDER BY c DESC
}
} {27 24 18 15 12 9 6}
do_test selectB-$ii.11 {
execsql {
SELECT c FROM t1
UNION
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
ORDER BY c
}
} {6 9 12 15 18 24 27}
do_test selectB-$ii.12 {
execsql {
SELECT c FROM t1 UNION SELECT e FROM t2 UNION ALL SELECT f FROM t2
ORDER BY c
}
} {6 9 12 15 18 18 24 27}
do_test selectB-$ii.13 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
UNION
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
ORDER BY 1
}
} {6 9 15 18 24 27}
do_test selectB-$ii.14 {
execsql {
SELECT c FROM t1
INTERSECT
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
ORDER BY 1
}
} {6 18}
do_test selectB-$ii.15 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
INTERSECT
SELECT c FROM t1
ORDER BY 1
}
} {6 18}
do_test selectB-$ii.16 {
execsql {
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
INTERSECT
SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2)
ORDER BY 1
}
} {6 9 15 18 24 27}
}
finish_test