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MDEV-657 LP:873142 - GREATEST() does not always return same signness of argument types.

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The patch for MDEV-8871 also fixed the problem reported in MDEV-657.
Adding the test case from the bug report.
This commit is contained in:
Alexander Barkov 2015-10-01 14:21:12 +04:00
parent b50c607056
commit e1cbca1851
2 changed files with 19 additions and 0 deletions
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10
mysql-test/r/func_hybrid_type.result
View File

@ -2307,5 +2307,15 @@ t1 CREATE TABLE `t1` (
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1; DROP TABLE t1;
# #
# MDEV-657 LP:873142 - GREATEST() does not always return same signness of argument types
#
CREATE TABLE t1 (a BIGINT(20) UNSIGNED NOT NULL PRIMARY KEY);
INSERT INTO t1 (a) VALUES (13836376518955650385) ON DUPLICATE KEY UPDATE a=GREATEST(a,VALUES(a));
INSERT INTO t1 (a) VALUES (13836376518955650385) ON DUPLICATE KEY UPDATE a=GREATEST(a,VALUES(a));
SELECT * FROM t1;
a
13836376518955650385
DROP TABLE t1;
#
# End of 10.1 tests # End of 10.1 tests
# #

9
mysql-test/t/func_hybrid_type.test
View File

@ -102,6 +102,15 @@ CREATE TABLE t1 AS SELECT LEAST(1.0,'10');
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
DROP TABLE t1; DROP TABLE t1;
--echo #
--echo # MDEV-657 LP:873142 - GREATEST() does not always return same signness of argument types
--echo #
CREATE TABLE t1 (a BIGINT(20) UNSIGNED NOT NULL PRIMARY KEY);
INSERT INTO t1 (a) VALUES (13836376518955650385) ON DUPLICATE KEY UPDATE a=GREATEST(a,VALUES(a));
INSERT INTO t1 (a) VALUES (13836376518955650385) ON DUPLICATE KEY UPDATE a=GREATEST(a,VALUES(a));
SELECT * FROM t1;
DROP TABLE t1;
--echo # --echo #
--echo # End of 10.1 tests --echo # End of 10.1 tests
--echo # --echo #