Merge example.com:/work/bug24219/my41

into  example.com:/work/bug24219/my50


mysql-test/t/alter_table.test:
  Auto merged
sql/sql_table.cc:
  manual merge
mysql-test/r/alter_table.result:
  manual merge

mysql-test/r/alter_table.result

@@ -428,42 +428,42 @@ t1	MyISAM	10	Fixed	1	37	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL
 drop table t1;
 set names koi8r;
 create table t1 (a char(10) character set koi8r);
-insert into t1 values ('');
+insert into t1 values ('ÔÅÓÔ');
 select a,hex(a) from t1;
 a	hex(a)
-	D4C5D3D4
+ÔÅÓÔ	D4C5D3D4
 alter table t1 change a a char(10) character set cp1251;
 select a,hex(a) from t1;
 a	hex(a)
-	F2E5F1F2
+ÔÅÓÔ	F2E5F1F2
 alter table t1 change a a binary(4);
 select a,hex(a) from t1;
 a	hex(a)
-	F2E5F1F2
+òåñò	F2E5F1F2
 alter table t1 change a a char(10) character set cp1251;
 select a,hex(a) from t1;
 a	hex(a)
-	F2E5F1F2
+ÔÅÓÔ	F2E5F1F2
 alter table t1 change a a char(10) character set koi8r;
 select a,hex(a) from t1;
 a	hex(a)
-	D4C5D3D4
+ÔÅÓÔ	D4C5D3D4
 alter table t1 change a a varchar(10) character set cp1251;
 select a,hex(a) from t1;
 a	hex(a)
-	F2E5F1F2
+ÔÅÓÔ	F2E5F1F2
 alter table t1 change a a char(10) character set koi8r;
 select a,hex(a) from t1;
 a	hex(a)
-	D4C5D3D4
+ÔÅÓÔ	D4C5D3D4
 alter table t1 change a a text character set cp1251;
 select a,hex(a) from t1;
 a	hex(a)
-	F2E5F1F2
+ÔÅÓÔ	F2E5F1F2
 alter table t1 change a a char(10) character set koi8r;
 select a,hex(a) from t1;
 a	hex(a)
-	D4C5D3D4
+ÔÅÓÔ	D4C5D3D4
 delete from t1;
 show create table t1;
 Table	Create Table
@@ -528,7 +528,7 @@ ALTER TABLE T12207 DISCARD TABLESPACE;
 ERROR HY000: Table storage engine for 'T12207' doesn't have this option
 DROP TABLE T12207;
 create table t1 (a text) character set koi8r;
-insert into t1 values (_koi8r'');
+insert into t1 values (_koi8r'ÔÅÓÔ');
 select hex(a) from t1;
 hex(a)
 D4C5D3D4
@@ -566,3 +566,14 @@ create table t1 (t varchar(255) default null, key t (t(80)))
 engine=myisam default charset=latin1;
 alter table t1 change t t text;
 drop table t1;
+DROP TABLE IF EXISTS bug24219;
+DROP TABLE IF EXISTS bug24219_2;
+CREATE TABLE bug24219 (a INT, INDEX(a));
+SHOW INDEX FROM bug24219;
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
+bug24219	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	
+ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;
+SHOW INDEX FROM bug24219_2;
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
+bug24219_2	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled
+DROP TABLE bug24219_2;

mysql-test/t/alter_table.test

@@ -402,6 +402,24 @@ alter table test.t1 rename test.t1;
 use test;
 drop table t1;
 
+#
+# Bug#24219 - ALTER TABLE ... RENAME TO ... , DISABLE KEYS leads to crash
+#
+--disable_warnings
+DROP TABLE IF EXISTS bug24219;
+DROP TABLE IF EXISTS bug24219_2;
+--enable_warnings
+
+CREATE TABLE bug24219 (a INT, INDEX(a));
+
+SHOW INDEX FROM bug24219;
+
+ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;
+
+SHOW INDEX FROM bug24219_2;
+
+DROP TABLE bug24219_2;
+
 # End of 4.1 tests
 
 #