bzr commit into mysql-6.0-backup branch (satya.bn:2747) Bug#33696

[Satya B]

#At file:///home/satya/mysql-6.0-bugteam-33696/

 2747 Satya B	2008-11-26
      Bug#33696 - CSV storage engine allows nullable columns via ALTER TABLE statements
      
      Adding the result file for csv_alter_table.test
added:
  mysql-test/r/csv_alter_table.result

per-file messages:
  mysql-test/r/csv_alter_table.result
    Adding the result file for csv_alter_table.test
=== added file 'mysql-test/r/csv_alter_table.result'
--- a/mysql-test/r/csv_alter_table.result	1970-01-01 00:00:00 +0000
+++ b/mysql-test/r/csv_alter_table.result	2008-11-26 08:30:09 +0000
@@ -0,0 +1,40 @@
+# ===== csv_alter_table.1 =====
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
+ALTER TABLE t1 ADD COLUMN b CHAR(5) NOT NULL;
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+b	char(5)	NO		NULL	
+ALTER TABLE t1 DROP COLUMN b;
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+ALTER TABLE t1 MODIFY a BIGINT NOT NULL;
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	bigint(20)	NO		NULL	
+ALTER TABLE t1 CHANGE a a INT NOT NULL;
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+DROP TABLE t1;
+# ===== csv_alter_table.2 =====
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
+ALTER TABLE t1 ADD COLUMN b CHAR(5);
+ERROR 42000: The storage engine for the table doesn't support nullable columns
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+ALTER TABLE t1 MODIFY a BIGINT;
+ERROR 42000: The storage engine for the table doesn't support nullable columns
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+ALTER TABLE t1 CHANGE a a INT;
+ERROR 42000: The storage engine for the table doesn't support nullable columns
+DESC t1;
+Field	Type	Null	Key	Default	Extra
+a	int(11)	NO		NULL	
+DROP TABLE t1;