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Parenthesis around table names and derived tables should be allowed in FROM clauses and some other context as it was in earlier versions. Returned test queries that used such parenthesis in 10.3 to their original form. Adjusted test results accordingly.
180 lines
4.7 KiB
Text
180 lines
4.7 KiB
Text
select 1 union ( select 2 union select 3);
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explain extended
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select 1 union ( select 2 union select 3);
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select 1 union ( select 1 union select 1);
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explain extended
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select 1 union ( select 1 union select 1);
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select 1 union all ( select 1 union select 1);
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explain extended
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select 1 union all ( select 1 union select 1);
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select 1 union ( select 1 union all select 1);
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explain extended
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select 1 union ( select 1 union all select 1);
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select 1 union select 1 union all select 1;
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explain extended
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select 1 union select 1 union all select 1;
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(select 1 as a) union (select 2) order by a;
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explain extended
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(select 1 as a) union (select 2) order by a;
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/* select#1 */ select 1 AS `a` union /* select#2 */ select 2 AS `2` order by `a`;
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explain extended
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/* select#1 */ select 1 AS `a` union /* select#2 */ select 2 AS `2` order by `a`;
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select 1 union ( select 1 union (select 1 union (select 1 union select 1)));
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explain extended all
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select 1 union ( select 1 union (select 1 union (select 1 union select 1)));
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--echo #
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--echo # MDEV-6341: INSERT ... SELECT UNION with parenthesis
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--echo #
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create table t1 (a int, b int);
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insert into t1 (select 1,1 union select 2,2);
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select * from t1 order by 1;
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delete from t1;
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insert into t1 select 1,1 union select 2,2;
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select * from t1 order by 1;
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drop table t1;
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CREATE OR REPLACE TABLE t1 AS SELECT 1 AS a UNION SELECT 2;
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select * from t1 order by 1;
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drop table t1;
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CREATE OR REPLACE TABLE t1 AS (SELECT 1 AS a UNION SELECT 2);
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select * from t1 order by 1;
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drop table t1;
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CREATE OR REPLACE VIEW v1 AS (SELECT 1 AS a);
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show create view v1;
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drop view v1;
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CREATE OR REPLACE VIEW v1 AS SELECT 1 AS a UNION SELECT 2;
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show create view v1;
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drop view v1;
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CREATE OR REPLACE VIEW v1 AS (SELECT 1 AS a UNION SELECT 2);
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show create view v1;
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drop view v1;
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--echo #
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--echo # MDEV-10028: Syntax error on ((SELECT ...) UNION (SELECT ...))
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--echo #
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10);
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INSERT INTO t1 VALUES (20);
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INSERT INTO t1 VALUES (30);
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((SELECT a FROM t1) UNION (SELECT a FROM t1));
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(SELECT * FROM t1 UNION SELECT * FROM t1);
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((SELECT a FROM t1) LIMIT 1);
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SELECT * FROM (SELECT 1 UNION (SELECT 2 UNION SELECT 3)) t1;
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DROP TABLE t1;
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--echo #
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--echo # test of several levels of ORDER BY / LIMIT
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--echo #
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create table t1 (a int, b int);
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insert into t1 (a,b) values (1, 100), (2, 200), (3,30), (4,4);
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select a,b from t1 order by 1 limit 3;
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(select a,b from t1 order by 1 limit 3) order by 2 limit 2;
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(select 10,1000 union select a,b from t1 order by 1 limit 3) order by 2 limit 2;
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((select a,b from t1 order by 1 limit 3) order by 2 limit 2) order by 1 limit 1;
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((select a,b from t1 order by 1 limit 3) order by 2 limit 2) order by 1;
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drop table t1;
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--echo #
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--echo # MDEV-16359: union with 3 selects in brackets
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--echo #
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select 1 union select 1 union select 1;
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(select 1 union select 1 union select 1);
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((select 1) union (select 1) union (select 1));
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--echo #
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--echo # MDEV-16357: union in brackets with tail
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--echo # union with tail in brackets
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--echo #
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CREATE TABLE t1 (a int);
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INSERT INTO t1 VALUES(1),(2),(3),(4);
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CREATE TABLE t2 (a int);
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INSERT INTO t2 VALUES (4),(5),(6),(7);
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(SELECT a FROM t1 UNION SELECT a FROM t2) LIMIT 1;
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(SELECT a FROM t1 UNION SELECT a FROM t2) ORDER BY a DESC;
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(SELECT a FROM t1 UNION SELECT a FROM t2 LIMIT 1);
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DROP TABLE t1,t2;
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--echo #
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--echo # MDEV-19324: ((SELECT ...) ORDER BY col ) LIMIT n
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--echo #
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create table t1 (a int);
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insert into t1 values (10),(20),(30);
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let $q1=
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select a from t1 order by a desc limit 1;
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eval $q1;
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eval explain extended $q1;
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eval explain format=json $q1;
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let $q2=
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(select a from t1 order by a desc) limit 1;
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eval $q2;
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eval explain extended $q2;
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eval explain format=json $q2;
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let $q1=
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(select a from t1 where a=20 union select a from t1) order by a desc limit 1;
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eval $q1;
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eval explain extended $q1;
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eval explain format=json $q1;
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let $q2=
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((select a from t1 where a=20 union select a from t1) order by a desc) limit 1;
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eval $q2;
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eval explain extended $q2;
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eval explain format=json $q2;
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drop table t1;
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--echo #
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--echo # MDEV-19363: ((SELECT ...) ORDER BY col ) LIMIT n UNION ...
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--echo #
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create table t1 (pk int);
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insert into t1 values (5),(4),(1),(2),(3);
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let $q=
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((select * from t1 order by pk) limit 2) union (select * from t1 where pk > 4);
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eval $q;
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eval explain extended $q;
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eval explain format=json $q;
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drop table t1;
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--echo #
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--echo # MDEV-18689: parenthesis around table names and derived tables
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--echo #
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select * from ( mysql.db );
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create table t1 (a int);
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insert into t1 values (7), (2), (7);
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select * from (t1);
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select * from ((t1));
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select * from (t1 t) where t.a > 5;
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select * from ((t1 t)) where t.a > 5;
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select * from ((select a, sum(a) from t1 group by a) t);
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select * from (((select a, sum(a) from t1 group by a) t));
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update (t1 t) set t.a=t.a+1;
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select * from t1;
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drop table t1;
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--echo # End of 10.4 tests
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