Fixed LP bug #904832.

Do not perform index condition pushdown for conditions containing subqueries
and stored functions.

1 files changed, 108 insertions, 0 deletions

diff --git a/mysql-test/include/icp_tests.inc b/mysql-test/include/icp_tests.inc
index ea4fc6439d2..e77cb220375 100644
--- a/mysql-test/include/icp_tests.inc
+++ b/mysql-test/include/icp_tests.inc
@@ -438,6 +438,7 @@ LIMIT 1;
 DROP TABLE t1;
 
 --echo #
+--echo #
 --echo # Bug#59259 "Incorrect rows returned for a correlated subquery
 --echo #            when ICP is on"
 --echo #
@@ -744,3 +745,110 @@ SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
 DROP TABLE t1;
 
 
+--echo #
+--echo # Bug#904832: an attempt to perform an index condition pushdown  
+--echo #             of a condition containing a subquery
+--echo #
+
+CREATE TABLE t1 ( 
+  a INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  b INT, c INT, d DATE NOT NULL, e VARCHAR(1),
+  KEY (c), KEY (d), KEY k2(b), KEY k3(b), KEY k4(b)
+);
+
+INSERT INTO t1 (b,c,d,e) VALUES
+(6,5,'2006-05-25','y'),(1,5,'2008-01-23','t'),
+(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
+(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
+(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
+(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
+(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
+(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
+(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
+(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
+(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
+(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
+(4,5,'2006-03-09','b'),(4,5,'2001-06-05','f'),
+(4,5,'2001-06-05','x'),(8,5,'1900-01-01','m'),
+(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
+(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
+(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
+(4,5,'2006-03-09','b'),(6,5,'2007-06-18','d'),
+(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
+(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
+(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
+(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
+(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
+(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
+(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
+(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
+(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
+(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
+(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
+(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
+(6,5,'2007-06-18','d'),(4,1,'1900-01-01','r'),
+(8,8,'1900-01-01','m'),(4,1,'2006-03-09','b'),
+(4,1,'2001-06-05','x'),(7,1,'2006-05-28','g');
+
+CREATE TABLE t2 (
+  f INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  g INT,
+  h VARCHAR(1),
+  KEY (g)
+);
+
+INSERT INTO t2 (g,h) VALUES
+(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
+(5,'l'),(8,'y'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),
+(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),
+(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),(0,'f'),
+(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
+(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
+(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),
+(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),
+(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
+(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),
+(6,'q'),(2,'n'),(4,'r'),(4,'b'),(8,'y'),(0,'p'),
+(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
+(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),
+(8,'y'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),
+(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),
+(1,'x'),(5,'l'),(8,'y'),(0,'p'),(0,'f'),(0,'p'),
+(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
+(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(7,'d'),
+(7,'f'),(5,'j'),(3,'e'),(1,'u'),(0,'f'),(0,'p'),
+(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),
+(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),
+(0,'f'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),
+(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),
+(1,'x'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),
+(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),
+(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
+(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
+(5,'l'),(6,'q'),(2,'n'),(4,'r'),(4,'b'),(8,'y'),
+(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
+(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
+(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u');
+
+SET @save_optimize_switch=@@optimizer_switch;
+SET optimizer_switch='materialization=on';
+
+EXPLAIN
+SELECT COUNT(*) FROM t1 AS t, t2
+WHERE c = g
+      AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f  AND h <= t.e AND a > t.b)
+           OR a = 0 AND h < 'z' );
+
+SELECT COUNT(*) FROM t1 AS t, t2
+WHERE c = g
+      AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f  AND h <= t.e AND a > t.b)
+           OR a = 0 AND h < 'z' );
+SELECT COUNT(*) FROM t1 AS t, t2
+WHERE c = g
+      AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f  AND h <= t.e AND a > t.b)
+           OR a = 0 AND h < 'z' );
+
+SET optimizer_switch=@save_optimizer_switch;
+
+DROP TABLE t1,t2;
+