diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/main/view_alias.test | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/view_alias.test')
-rw-r--r-- | mysql-test/main/view_alias.test | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/mysql-test/main/view_alias.test b/mysql-test/main/view_alias.test new file mode 100644 index 00000000..09d70729 --- /dev/null +++ b/mysql-test/main/view_alias.test @@ -0,0 +1,101 @@ +--echo # +--echo # Bug#40277 SHOW CREATE VIEW returns invalid SQL +--echo # Bug#41999 SHOW CREATE VIEW returns invalid SQL if subquery is used in SELECT list +--echo # + +--echo # 65 characters exceed the maximum length of a column identifier. The system cannot derive the name from statement. +--echo # Constant with length = 65 . Expect to get the identifier 'Name_exp_1'. +let $after_select= '<--- 65 char including the arrows --->'; +--source include/view_alias.inc +--echo # Subquery with length = 65 . Expect to get the identifier 'Name_exp_1'. +--echo # Attention: Identifier for the column within the subquery will be not generated. +let $after_select= (SELECT '<--- 54 char including the arrows (+ 11 outside) -->'); +--source include/view_alias.inc +--echo # ----------------------------------------------------------------------------------------------------------------- +# +--echo # 64 characters are the maximum length of a column identifier. The system can derive the name from the statement. +let $after_select= '<--- 64 char including the arrows --->'; +--source include/view_alias.inc +let $after_select= (SELECT '<--- 53 char including the arrows (+ 11 outside) --->'); +--source include/view_alias.inc +--echo # ----------------------------------------------------------------------------------------------------------------- +# +--echo # Identifiers must not have trailing spaces. The system cannot derive the name from a constant with trailing space. +--echo # Generated identifiers have at their end the position within the select column list. +--echo # 'c2 ' -> 'Name_exp_1' , ' c4 ' -> 'Name_exp_2' +let $after_select= 'c1', 'c2 ', ' c3', ' c4 '; +--source include/view_alias.inc + +--echo # +--echo # Bug#40277 SHOW CREATE VIEW returns invalid SQL +--echo # + +--disable_warnings +DROP VIEW IF EXISTS v1; +DROP TABLE IF EXISTS t1,t2; +--enable_warnings + +--echo # Column name exceeds the maximum length. +CREATE VIEW v1 AS SELECT '0000000000 1111111111 2222222222 3333333333 4444444444 5555555555'; +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +--echo # Column names with leading trailing spaces. +CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 '; +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +--echo # Column name conflicts with a auto-generated one. +CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ', 'Name_exp_2'; +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +--echo # Invalid conlumn name in subquery. +CREATE VIEW v1 AS SELECT (SELECT ' c1 '); +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +CREATE TABLE t1(a INT); +CREATE TABLE t2 LIKE t1; + +--echo # Test alias in subquery +CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT 1 FROM t2 AS b WHERE b.a = 0); +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +--echo # Test column alias in subquery +CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT a AS alias FROM t1 GROUP BY alias); +SHOW CREATE VIEW v1; +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +--echo # Alias as the expression column name. +CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT ' a ' AS alias FROM t1 GROUP BY alias); +SHOW CREATE VIEW v1; +let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`; +DROP VIEW v1; +eval CREATE VIEW v1 AS $query; +DROP VIEW v1; + +DROP TABLE t1, t2; + +# +# MDEV-7482 VIEW containing INTERVAL(...) +# +create view v1 as select interval(55,10) as my_col; +show create view v1; +select * from v1; +drop view v1; + |