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MDEV-5535: Cannot reopen temporary table

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Temporary table being created by outer statement
should not be visible to inner statement. And if
inner statement creates a table with same name.
The whole statement should fail with
ER_TABLE_EXISTS_ERROR.

Implemented by temporarily de-linking the TABLE_SHARE
being created by outer statement so that it remains
hidden to the inner statement.
This commit is contained in:
Nirbhay Choubey
2016-06-10 16:58:08 -04:00
parent 7305be2f7e
commit e2087c6e8d
7 changed files with 142 additions and 7 deletions
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6
mysql-test/r/sp-error.result
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@ -1524,14 +1524,14 @@ drop temporary table t1;
return 1;
end|
create temporary table t1 as select f1();
ERROR HY000: Can't reopen table: 't1'
ERROR 42S02: Unknown table 'test.t1'
create function f2() returns int
begin
create temporary table t2 as select f1();
return 1;
end|
create temporary table t1 as select f2();
ERROR HY000: Can't reopen table: 't1'
ERROR 42S02: Unknown table 'test.t1'
drop function f1;
drop function f2;
create function f1() returns int
@ -1545,7 +1545,7 @@ create temporary table t2 as select f1();
return 1;
end|
create temporary table t1 as select f2();
ERROR HY000: Can't reopen table: 't2'
ERROR 42S02: Unknown table 'test.t2,test.t1'
drop function f1;
drop function f2;
create temporary table t2(a int);