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https://github.com/MariaDB/server.git
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many bug fixes
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@ -64,7 +64,13 @@ a t
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18 18
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19 19
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20 20
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explain select count(*) from t1 as tt1, (select * from t1) as tt2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE Select tables optimized away
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drop table if exists t1;
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SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
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(SELECT * FROM (SELECT 1 as a) as a )
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1
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select * from (select 1 as a) b left join (select 2 as a) c using(a);
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a a
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1 NULL
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@ -17,14 +17,14 @@ SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
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1 1
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SELECT (SELECT a) as a;
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Reference 'a' not supported (forward reference in item list)
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EXPLAIN SELECT 1,a FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY <derived2> system NULL NULL NULL NULL 1
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3 DEPENDENT SUBSELECT No tables used
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2 DERIVED No tables used
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SELECT 1,a FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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1 a
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1 1
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SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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1
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1
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SELECT (SELECT 1), a;
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Unknown column 'a' in 'field list'
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SELECT 1 as a FROM (SELECT 1) as b HAVING (SELECT a)=1;
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@ -387,9 +387,9 @@ id select_type table type possible_keys key key_len ref rows Extra
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drop table t1;
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CREATE TABLE t1 (a int(1));
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INSERT INTO t1 VALUES (1);
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SELECT 1,a FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
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1 a
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1 1
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SELECT 1 FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
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1
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1
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drop table t1;
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create table t1 (a int NOT NULL, b int, primary key (a));
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create table t2 (a int NOT NULL, b int, primary key (a));
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@ -33,5 +33,7 @@ while ($1)
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}
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enable_query_log;
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SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
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explain select count(*) from t1 as tt1, (select * from t1) as tt2;
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drop table if exists t1;
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SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
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select * from (select 1 as a) b left join (select 2 as a) c using(a);
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@ -8,8 +8,8 @@ SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1)
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SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
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-- error 1245
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SELECT (SELECT a) as a;
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EXPLAIN SELECT 1,a FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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SELECT 1,a FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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-- error 1054
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SELECT (SELECT 1), a;
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SELECT 1 as a FROM (SELECT 1) as b HAVING (SELECT a)=1;
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@ -230,7 +230,7 @@ drop table t1;
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CREATE TABLE t1 (a int(1));
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INSERT INTO t1 VALUES (1);
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SELECT 1,a FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
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SELECT 1 FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
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drop table t1;
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#update with subselects
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