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authorunknown <mhansson@dl145s.mysql.com>2007-05-21 14:28:31 +0200
committerunknown <mhansson@dl145s.mysql.com>2007-05-21 14:28:31 +0200
commitab267d33ffcde14acf7791638329122f66591bc7 (patch)
treeae312ba026c0dea7c15761078a939369c9d4d299 /mysql-test/t/func_gconcat.test
parent5d8c8803bd08bdba6c8714bfe8037c87e39f3962 (diff)
parent84966af9fc33a4cfa72f24a57da170db28f1c55a (diff)
downloadmariadb-git-ab267d33ffcde14acf7791638329122f66591bc7.tar.gz
Merge dl145s.mysql.com:/users/mhansson/mysql/push/bug23856/my50-bug23856
into dl145s.mysql.com:/users/mhansson/mysql/push/bug23856/my51-bug23856 mysql-test/r/func_gconcat.result: Auto merged mysql-test/t/func_gconcat.test: Auto merged sql/field.h: Auto merged sql/field_conv.cc: Auto merged sql/sql_select.cc: Auto merged sql/item_sum.cc: Bug#23856: Manual merge 5.0->5.1. Changed comparison to strict inequality between convert_blob_length and UINT_MAX16. Replaced UINT_MAX16 with Field_varstring::MAX_SIZE.
Diffstat (limited to 'mysql-test/t/func_gconcat.test')
-rw-r--r--mysql-test/t/func_gconcat.test32
1 files changed, 32 insertions, 0 deletions
diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test
index 431d582be50..0c162df02e7 100644
--- a/mysql-test/t/func_gconcat.test
+++ b/mysql-test/t/func_gconcat.test
@@ -507,4 +507,36 @@ SELECT GROUP_CONCAT(DISTINCT UCASE(a)) FROM t1;
SELECT GROUP_CONCAT(DISTINCT UCASE(b)) FROM t1;
DROP TABLE t1;
+#
+# Bug #23856:GROUP_CONCAT and ORDER BY: junk from previous rows for query on I_S
+#
+SET group_concat_max_len= 65535;
+CREATE TABLE t1( a TEXT, b INTEGER );
+INSERT INTO t1 VALUES ( 'a', 0 ), ( 'b', 1 );
+SELECT GROUP_CONCAT( a ORDER BY b ) FROM t1;
+SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
+SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
+SET group_concat_max_len= 10;
+SELECT GROUP_CONCAT(a ORDER BY b) FROM t1;
+SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
+SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
+
+SET group_concat_max_len= 65535;
+CREATE TABLE t2( a TEXT );
+INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) );
+INSERT INTO t2 VALUES( REPEAT( 'b', 5000 ) );
+INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) );
+SELECT LENGTH( GROUP_CONCAT( DISTINCT a ) ) FROM t2;
+
+CREATE TABLE t3( a TEXT, b INT );
+INSERT INTO t3 VALUES( REPEAT( 'a', 65534 ), 1 );
+INSERT INTO t3 VALUES( REPEAT( 'a', 65535 ), 2 );
+INSERT INTO t3 VALUES( REPEAT( 'a', 65536 ), 3 );
+SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 1;
+SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 2;
+SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 3;
+
+SET group_concat_max_len= DEFAULT;
+DROP TABLE t1, t2, t3;
+
--echo End of 5.0 tests