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fixed way of forward reference detection to support literal constant (BUG#8025)

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mysql-test/r/subselect.result:
  Forward reference detection
mysql-test/t/subselect.test:
  Forward reference detection
sql/item.cc:
  now forward reference is detected via ref_pointer_array, because some literal constants are 'fixed' just after creation
sql/sql_base.cc:
  fill ref_pointer_array with zerows for forward reference detection.
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unknown
2005-01-24 17:17:19 +02:00
parent 9182786918
commit 38e664cf64
4 changed files with 48 additions and 2 deletions
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14
mysql-test/r/subselect.result
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@ -2182,3 +2182,17 @@ ERROR 21000: Operand should contain 2 column(s)
select (select * from t1) = row(1,(2,2));
ERROR 21000: Operand should contain 1 column(s)
drop table t1;
create table t1 (a integer);
insert into t1 values (1);
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx ;
ERROR 42S22: Reference 'xx' not supported (forward reference in item list)
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx;
ERROR 42S22: Reference 'xx' not supported (forward reference in item list)
select 1 as xx, 1 = ALL ( select 1 from t1 where 1 = xx );
xx 1 = ALL ( select 1 from t1 where 1 = xx )
1 1
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx;
ERROR 42S22: Reference 'xx' not supported (forward reference in item list)
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx from DUAL;
ERROR 42S22: Reference 'xx' not supported (forward reference in item list)
drop table t1;