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author | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-02-26 17:40:01 +0400 |
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committer | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-02-26 17:40:01 +0400 |
commit | ca6691533a7e2a454bbb614583a0058bf7acd2d2 (patch) | |
tree | f0ae736e5674de5566766cbec76784fcfad888f9 /mysql-test/r/union.result | |
parent | fe229e33f7fdde3c5afe1c78522626562fcb4941 (diff) | |
download | mariadb-git-ca6691533a7e2a454bbb614583a0058bf7acd2d2.tar.gz |
Bug#47669 Query showed by EXPLAIN EXTENDED gives different result from original query
Item_field::print method does not take into
account fields whose values may be null.
The fix is to print 'NULL' if field value is null.
mysql-test/r/explain.result:
test case
mysql-test/r/func_str.result:
result fix
mysql-test/r/having.result:
result fix
mysql-test/r/select.result:
result fix
mysql-test/r/subselect.result:
result fix
mysql-test/r/union.result:
result fix
mysql-test/t/explain.test:
test case
sql/item.cc:
print 'NULL' if field value is null.
Diffstat (limited to 'mysql-test/r/union.result')
-rw-r--r-- | mysql-test/r/union.result | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result index 43d7cade227..98d177a5448 100644 --- a/mysql-test/r/union.result +++ b/mysql-test/r/union.result @@ -1585,7 +1585,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 2 UNION t1 system NULL NULL NULL NULL 0 0.00 const row not found NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort Warnings: -Note 1003 select '0' AS `a` from `test`.`t1` union select '0' AS `a` from `test`.`t1` order by `a` +Note 1003 select NULL AS `a` from `test`.`t1` union select NULL AS `a` from `test`.`t1` order by `a` DROP TABLE t1; End of 5.0 tests # |