mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
Mistakes corrected.
TVC can be used in IN subquery and in PARTITION BY struct now. Special variable to control working of optimization added.
This commit is contained in:
Galina Shalygina
@ -729,6 +729,433 @@ select * from v1;
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1 2
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3 4
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drop view v1;
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# IN-subquery with VALUES structure(s) : simple case
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select * from t1
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where a in (values (1));
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a b
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1 2
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1 1
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select * from t1
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where a in (select * from (values (1)) as tvc_0);
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a b
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1 2
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1 1
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explain extended select * from t1
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where a in (values (1));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY <subquery3> ALL distinct_key NULL NULL NULL 2 100.00
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
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3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
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2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
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explain extended select * from t1
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where a in (select * from (values (1)) as tvc_0);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 100.00
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
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2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
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# IN-subquery with VALUES structure(s) : UNION with VALUES on the first place
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select * from t1
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where a in (values (1) union select 2);
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a b
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1 2
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1 1
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2 5
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select * from t1
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where a in (select * from (values (1)) as tvc_0 union
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select 2);
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a b
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1 2
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1 1
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2 5
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explain extended select * from t1
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where a in (values (1) union select 2);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
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2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union4,3> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
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explain extended select * from t1
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where a in (select * from (values (1)) as tvc_0 union
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select 2);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
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# IN-subquery with VALUES structure(s) : UNION with VALUES on the second place
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select * from t1
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where a in (select 2 union values (1));
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a b
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1 2
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1 1
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2 5
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select * from t1
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where a in (select 2 union
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select * from (values (1)) tvc_0);
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a b
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1 2
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1 1
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2 5
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explain extended select * from t1
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where a in (select 2 union values (1));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
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explain extended select * from t1
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where a in (select 2 union
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select * from (values (1)) tvc_0);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
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4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
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# IN-subquery with VALUES structure(s) : UNION ALL
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select * from t1
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where a in (values (1) union all select b from t1);
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a b
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1 2
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1 1
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2 5
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7 8
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select * from t1
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where a in (select * from (values (1)) as tvc_0 union all
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select b from t1);
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a b
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1 2
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1 1
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2 5
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7 8
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explain extended select * from t1
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where a in (values (1) union all select b from t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
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2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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3 DEPENDENT UNION t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#3 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
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explain extended select * from t1
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where a in (select * from (values (1)) as tvc_0 union all
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select b from t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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4 DEPENDENT UNION t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#4 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
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# NOT IN subquery with VALUES structure(s) : simple case
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select * from t1
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where a not in (values (1),(2));
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a b
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4 6
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9 7
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7 8
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select * from t1
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where a not in (select * from (values (1),(2)) as tvc_0);
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a b
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4 6
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9 7
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7 8
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explain extended select * from t1
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where a not in (values (1),(2));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
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2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#3 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery3>`.`1`))))
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explain extended select * from t1
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where a not in (select * from (values (1),(2)) as tvc_0);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`1`))))
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# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the first place
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select * from t1
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where a not in (values (1) union select 2);
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a b
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4 6
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9 7
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7 8
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select * from t1
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where a not in (select * from (values (1)) as tvc_0 union
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select 2);
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a b
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4 6
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9 7
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7 8
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explain extended select * from t1
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where a not in (values (1) union select 2);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
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2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union4,3> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#3 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
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explain extended select * from t1
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where a not in (select * from (values (1)) as tvc_0 union
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select 2);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#4 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
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# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the second place
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select * from t1
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where a not in (select 2 union values (1));
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a b
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4 6
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9 7
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7 8
|
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select * from t1
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where a not in (select 2 union
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select * from (values (1)) as tvc_0);
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a b
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4 6
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9 7
|
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7 8
|
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explain extended select * from t1
|
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where a not in (select 2 union values (1));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
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2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
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4 DEPENDENT UNION <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
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3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
|
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
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explain extended select * from t1
|
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where a not in (select 2 union
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select * from (values (1)) as tvc_0);
|
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id select_type table type possible_keys key key_len ref rows filtered Extra
|
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1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION <derived4> ALL NULL NULL NULL NULL 2 100.00 Using where
|
||||
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
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# ANY-subquery with VALUES structure(s) : simple case
|
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select * from t1
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where a = any (values (1),(2));
|
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a b
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1 2
|
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1 1
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2 5
|
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select * from t1
|
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where a = any (select * from (values (1),(2)) as tvc_0);
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a b
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1 2
|
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1 1
|
||||
2 5
|
||||
explain extended select * from t1
|
||||
where a = any (values (1),(2));
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY <subquery3> ALL distinct_key NULL NULL NULL 2 100.00
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
|
||||
3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
|
||||
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
|
||||
explain extended select * from t1
|
||||
where a = any (select * from (values (1),(2)) as tvc_0);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 100.00
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
|
||||
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
|
||||
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the first place
|
||||
select * from t1
|
||||
where a = any (values (1) union select 2);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
2 5
|
||||
select * from t1
|
||||
where a = any (select * from (values (1)) as tvc_0 union
|
||||
select 2);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
2 5
|
||||
explain extended select * from t1
|
||||
where a = any (values (1) union select 2);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
|
||||
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union4,3> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
|
||||
explain extended select * from t1
|
||||
where a = any (select * from (values (1)) as tvc_0 union
|
||||
select 2);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
|
||||
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the second place
|
||||
select * from t1
|
||||
where a = any (select 2 union values (1));
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
2 5
|
||||
select * from t1
|
||||
where a = any (select 2 union
|
||||
select * from (values (1)) as tvc_0);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
2 5
|
||||
explain extended select * from t1
|
||||
where a = any (select 2 union values (1));
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
|
||||
explain extended select * from t1
|
||||
where a = any (select 2 union
|
||||
select * from (values (1)) as tvc_0);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
|
||||
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
|
||||
# ALL-subquery with VALUES structure(s) : simple case
|
||||
select * from t1
|
||||
where a = all (values (1));
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
select * from t1
|
||||
where a = all (select * from (values (1)) as tvc_0);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
explain extended select * from t1
|
||||
where a = all (values (1));
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
3 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
|
||||
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
|
||||
explain extended select * from t1
|
||||
where a = all (select * from (values (1)) as tvc_0);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
|
||||
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the first place
|
||||
select * from t1
|
||||
where a = all (values (1) union select 1);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
select * from t1
|
||||
where a = all (select * from (values (1)) as tvc_0 union
|
||||
select 1);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
explain extended select * from t1
|
||||
where a = all (values (1) union select 1);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
|
||||
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union4,3> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#3 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
|
||||
explain extended select * from t1
|
||||
where a = all (select * from (values (1)) as tvc_0 union
|
||||
select 1);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#4 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
|
||||
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the second place
|
||||
select * from t1
|
||||
where a = any (select 1 union values (1));
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
select * from t1
|
||||
where a = any (select 1 union
|
||||
select * from (values (1)) as tvc_0);
|
||||
a b
|
||||
1 2
|
||||
1 1
|
||||
explain extended select * from t1
|
||||
where a = any (select 1 union values (1));
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
|
||||
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
|
||||
explain extended select * from t1
|
||||
where a = any (select 1 union
|
||||
select * from (values (1)) as tvc_0);
|
||||
id select_type table type possible_keys key key_len ref rows filtered Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
|
||||
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
|
||||
Warnings:
|
||||
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
|
||||
# prepare statement that uses VALUES structure(s): single VALUES structure
|
||||
prepare stmt1 from "
|
||||
values (1,2);
|
||||
@ -1633,19 +2060,14 @@ ANALYZE
|
||||
# different number of values in TVC
|
||||
values (1,2),(3,4,5);
|
||||
ERROR HY000: The used table value constructor has a different number of values
|
||||
# subquery that uses VALUES structure(s)
|
||||
select * from t1
|
||||
where a in (values (1));
|
||||
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
|
||||
select * from t1
|
||||
where a in (select 2 union values (1));
|
||||
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
|
||||
select * from t1
|
||||
where a in (values (1) union select 2);
|
||||
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
|
||||
# illegal parameter data types in TVC
|
||||
values (1,point(1,1)),(1,1);
|
||||
ERROR HY000: Illegal parameter data types geometry and int for operation 'TABLE VALUE CONSTRUCTOR'
|
||||
values (1,point(1,1)+1);
|
||||
ERROR HY000: Illegal parameter data types geometry and int for operation '+'
|
||||
# field reference in TVC
|
||||
select * from (values (1), (b), (2)) as new_tvc;
|
||||
ERROR HY000: Field reference 'b' can't be used in table value constructor
|
||||
select * from (values (1), (t1.b), (2)) as new_tvc;
|
||||
ERROR HY000: Field reference 't1.b' can't be used in table value constructor
|
||||
drop table t1;
|
||||
|
||||
Reference in New Issue
Block a user