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Fix QUOTE() to not reuse the input field for output, which resulted in

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incorrect results when the input was a constant across a multi-row SELECT
statement. (Bug #8248)


sql/item_strfunc.h:
  Add tmp_value member
sql/item_strfunc.cc:
  Always allocate a new string for QUOTE(), in case the field is being reused
  for multiple rows.
mysql-test/t/func_str.test:
  Add regression test
mysql-test/r/func_str.result:
  Add test results
This commit is contained in:
unknown
2005-02-01 18:29:10 -08:00
parent faca00b5d5
commit 6d0d03dab9
4 changed files with 18 additions and 10 deletions
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5
mysql-test/t/func_str.test
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@ -193,3 +193,8 @@ select trim(leading 'foo' from 'foo');
select quote(ltrim(concat(' ', 'a')));
select quote(trim(concat(' ', 'a')));
# Bad results from QUOTE(). Bug #8248
CREATE TABLE t1 SELECT 1 UNION SELECT 2 UNION SELECT 3;
SELECT QUOTE('A') FROM t1;
DROP TABLE t1;