1 files changed, 121 insertions, 0 deletions
diff --git a/mysql-test/suite/funcs_1/r/is_check_constraint.result b/mysql-test/suite/funcs_1/r/is_check_constraint.result
new file mode 100644
index 00000000000..be44a8867e8
--- /dev/null
+++ b/mysql-test/suite/funcs_1/r/is_check_constraint.result
@@ -0,0 +1,121 @@
+#
+# MDEV-17323: Backport INFORMATION_SCHEMA.CHECK_CONSTRAINTS to 10.2
+#
+CREATE user boo1;
+GRANT select,create,alter,drop on foo.* to boo1;
+SHOW GRANTS for boo1;
+Grants for boo1@%
+GRANT USAGE ON *.* TO 'boo1'@'%'
+GRANT SELECT, CREATE, DROP, ALTER ON `foo`.* TO 'boo1'@'%'
+CREATE user boo2;
+create database foo;
+CONNECT con1,localhost, boo1,, foo;
+SET check_constraint_checks=1;
+CREATE TABLE t0
+(
+t int, check (t>32) # table constraint
+) ENGINE=myisam;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CONSTRAINT_1	t0	`t` > 32
+ALTER TABLE t0
+ADD CONSTRAINT CHK_t0_t CHECK(t<100);
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CHK_t0_t	t0	`t` < 100
+def	foo	CONSTRAINT_1	t0	`t` > 32
+ALTER TABLE t0
+DROP CONSTRAINT CHK_t0_t;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CONSTRAINT_1	t0	`t` > 32
+ALTER TABLE t0
+ADD CONSTRAINT CHECK(t<50);
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+CREATE TABLE t1
+( t int CHECK(t>2), # field constraint
+tt int,
+CONSTRAINT CHECK (tt > 32), CONSTRAINT CHECK (tt <50),# autogenerated names table constraints
+CONSTRAINT CHK_tt CHECK(tt<100) # named table constraint
+) ENGINE=InnoDB;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CHK_tt	t1	`tt` < 100
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_1	t1	`tt` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+def	foo	CONSTRAINT_2	t1	`tt` < 50
+def	foo	t	t1	`t` > 2
+ALTER TABLE t1
+DROP CONSTRAINT CHK_tt;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_1	t1	`tt` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+def	foo	CONSTRAINT_2	t1	`tt` < 50
+def	foo	t	t1	`t` > 2
+CREATE TABLE t2
+(
+name VARCHAR(30) CHECK(CHAR_LENGTH(name)>2), #field constraint
+start_date DATE,
+end_date DATE,
+CONSTRAINT CHK_dates CHECK(start_date IS NULL) #table constraint
+)ENGINE=Innodb;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CHK_dates	t2	`start_date` is null
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_1	t1	`tt` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+def	foo	CONSTRAINT_2	t1	`tt` < 50
+def	foo	name	t2	char_length(`name`) > 2
+def	foo	t	t1	`t` > 2
+ALTER TABLE t1
+ADD CONSTRAINT CHK_new_ CHECK(t>tt);
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CHK_dates	t2	`start_date` is null
+def	foo	CHK_new_	t1	`t` > `tt`
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_1	t1	`tt` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+def	foo	CONSTRAINT_2	t1	`tt` < 50
+def	foo	name	t2	char_length(`name`) > 2
+def	foo	t	t1	`t` > 2
+CREATE TABLE t3
+(
+a int,
+b int check (b>0), # field constraint named 'b'
+CONSTRAINT b check (b>10) # table constraint
+) ENGINE=InnoDB;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+def	foo	CHK_dates	t2	`start_date` is null
+def	foo	CHK_new_	t1	`t` > `tt`
+def	foo	CONSTRAINT_1	t0	`t` > 32
+def	foo	CONSTRAINT_1	t1	`tt` > 32
+def	foo	CONSTRAINT_2	t0	`t` < 50
+def	foo	CONSTRAINT_2	t1	`tt` < 50
+def	foo	b	t3	`b` > 0
+def	foo	b	t3	`b` > 10
+def	foo	name	t2	char_length(`name`) > 2
+def	foo	t	t1	`t` > 2
+disconnect con1;
+CONNECT con2, localhost, boo2,, test;
+SELECT * from information_schema.check_constraints;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_NAME	CHECK_CLAUSE
+disconnect con2;
+CONNECT con1, localhost, boo1,,foo;
+DROP TABLE t0;
+DROP TABLE t1;
+DROP TABLE t2;
+DROP TABLE t3;
+DROP DATABASE foo;
+disconnect con1;
+connection default;
+DROP USER boo1;
+DROP USER boo2;