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22cf2f117a
Item_func::print() prints itself as name + "(" + arguments + ")".
Normally that works, but Item_func_interval internally implements its
arguments as one single Item_row. Item_row prints itself as
"(" + values + ")". As a result, "INTERVAL(1,2)" was being printed
as "INTERVAL((1,2))". Fixed with a custom Item_func_interval::print().
102 lines
4.2 KiB
Plaintext
102 lines
4.2 KiB
Plaintext
--echo #
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--echo # Bug#40277 SHOW CREATE VIEW returns invalid SQL
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--echo # Bug#41999 SHOW CREATE VIEW returns invalid SQL if subquery is used in SELECT list
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--echo #
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--echo # 65 characters exceed the maximum length of a column identifier. The system cannot derive the name from statement.
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--echo # Constant with length = 65 . Expect to get the identifier 'Name_exp_1'.
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let $after_select= '<--- 65 char including the arrows --->';
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--source include/view_alias.inc
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--echo # Subquery with length = 65 . Expect to get the identifier 'Name_exp_1'.
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--echo # Attention: Identifier for the column within the subquery will be not generated.
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let $after_select= (SELECT '<--- 54 char including the arrows (+ 11 outside) -->');
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--source include/view_alias.inc
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--echo # -----------------------------------------------------------------------------------------------------------------
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#
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--echo # 64 characters are the maximum length of a column identifier. The system can derive the name from the statement.
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let $after_select= '<--- 64 char including the arrows --->';
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--source include/view_alias.inc
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let $after_select= (SELECT '<--- 53 char including the arrows (+ 11 outside) --->');
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--source include/view_alias.inc
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--echo # -----------------------------------------------------------------------------------------------------------------
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#
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--echo # Identifiers must not have trailing spaces. The system cannot derive the name from a constant with trailing space.
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--echo # Generated identifiers have at their end the position within the select column list.
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--echo # 'c2 ' -> 'Name_exp_1' , ' c4 ' -> 'Name_exp_2'
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let $after_select= 'c1', 'c2 ', ' c3', ' c4 ';
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--source include/view_alias.inc
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--echo #
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--echo # Bug#40277 SHOW CREATE VIEW returns invalid SQL
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--echo #
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--disable_warnings
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DROP VIEW IF EXISTS v1;
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DROP TABLE IF EXISTS t1,t2;
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--enable_warnings
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--echo # Column name exceeds the maximum length.
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CREATE VIEW v1 AS SELECT '0000000000 1111111111 2222222222 3333333333 4444444444 5555555555';
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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--echo # Column names with leading trailing spaces.
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CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ';
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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--echo # Column name conflicts with a auto-generated one.
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CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ', 'Name_exp_2';
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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--echo # Invalid conlumn name in subquery.
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CREATE VIEW v1 AS SELECT (SELECT ' c1 ');
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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CREATE TABLE t1(a INT);
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CREATE TABLE t2 LIKE t1;
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--echo # Test alias in subquery
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CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT 1 FROM t2 AS b WHERE b.a = 0);
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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--echo # Test column alias in subquery
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CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT a AS alias FROM t1 GROUP BY alias);
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SHOW CREATE VIEW v1;
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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--echo # Alias as the expression column name.
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CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT ' a ' AS alias FROM t1 GROUP BY alias);
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SHOW CREATE VIEW v1;
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let $query = `SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1'`;
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DROP VIEW v1;
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eval CREATE VIEW v1 AS $query;
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DROP VIEW v1;
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DROP TABLE t1, t2;
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#
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# MDEV-7482 VIEW containing INTERVAL(...)
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#
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create view v1 as select interval(55,10) as my_col;
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show create view v1;
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select * from v1;
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drop view v1;
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