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Fixed bug #26738: incomplete string values in a result set column

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when the column is to be read from a derived table column which 
was specified as a concatenation of string literals.
The bug happened because the Item_string::append did not adjust the
value of Item_string::max_length. As a result of it the temporary 
table column  defined to store the concatenation of literals was 
not wide enough to hold the whole value.



mysql-test/r/subselect.result:
  Added a test case for bug #26738.
mysql-test/t/subselect.test:
  Added a test case for bug #26738.
This commit is contained in:
unknown
2007-03-12 01:39:57 -07:00
parent d00731db77
commit 91abf15ed2
3 changed files with 31 additions and 1 deletions
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13
mysql-test/r/subselect.result
View File

@ -3867,3 +3867,16 @@ id_1
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t1xt2;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (3), (1), (2);
SELECT 'this is ' 'a test.' AS col1, a AS col2 FROM t1;
col1 col2
this is a test. 3
this is a test. 1
this is a test. 2
SELECT * FROM (SELECT 'this is ' 'a test.' AS col1, a AS t2 FROM t1) t;
col1 t2
this is a test. 3
this is a test. 1
this is a test. 2
DROP table t1;

13
mysql-test/t/subselect.test
View File

@ -2729,3 +2729,16 @@ DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t1xt2;
#
# Bug #26728: derived table with concatanation of literals in select list
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (3), (1), (2);
SELECT 'this is ' 'a test.' AS col1, a AS col2 FROM t1;
SELECT * FROM (SELECT 'this is ' 'a test.' AS col1, a AS t2 FROM t1) t;
DROP table t1;