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MDEV-12478 CONCAT function inside view casts values incorrectly with Oracle sql_mode

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This commit is contained in:
Alexander Barkov
2017-04-11 19:32:55 +04:00
parent 5bf7046fa7
commit 012fbc15cf
7 changed files with 126 additions and 12 deletions
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55
mysql-test/suite/compat/oracle/r/func_concat.result
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@ -3,12 +3,12 @@ EXPLAIN EXTENDED SELECT 'a'||'b'||'c';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select 'a' || 'b' || 'c' AS "'a'||'b'||'c'"
Note 1003 select concat_operator_oracle(concat_operator_oracle('a','b'),'c') AS "'a'||'b'||'c'"
EXPLAIN EXTENDED SELECT CONCAT('a'||'b'||'c');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select 'a' || 'b' || 'c' AS "CONCAT('a'||'b'||'c')"
Note 1003 select concat_operator_oracle(concat_operator_oracle(concat_operator_oracle('a','b'),'c')) AS "CONCAT('a'||'b'||'c')"
SELECT '' || '';
'' || ''
@ -204,3 +204,54 @@ NULL NULL
2 ab
3 abc
DROP TABLE t1;
#
# MDEV-12478 CONCAT function inside view casts values incorrectly with Oracle sql_mode
#
SET sql_mode=ORACLE;
CREATE VIEW v1 AS SELECT 'foo'||NULL||'bar' AS test;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE VIEW "v1" AS select concat_operator_oracle(concat_operator_oracle('foo',NULL),'bar') AS "test" latin1 latin1_swedish_ci
SELECT * FROM v1;
test
foobar
SET sql_mode=DEFAULT;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select concat_operator_oracle(concat_operator_oracle('foo',NULL),'bar') AS `test` latin1 latin1_swedish_ci
SELECT * FROM v1;
test
foobar
DROP VIEW v1;
SET sql_mode=DEFAULT;
CREATE VIEW v1 AS SELECT CONCAT('foo',NULL,'bar') AS test;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select concat('foo',NULL,'bar') AS `test` latin1 latin1_swedish_ci
SELECT * FROM v1;
test
NULL
SET sql_mode=ORACLE;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE VIEW "v1" AS select concat('foo',NULL,'bar') AS "test" latin1 latin1_swedish_ci
SELECT * FROM v1;
test
NULL
DROP VIEW v1;
SET sql_mode=DEFAULT;
CREATE VIEW v1 AS SELECT '0'||'1' AS test;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select '0' or '1' AS `test` latin1 latin1_swedish_ci
SELECT * FROM v1;
test
1
SET sql_mode=ORACLE;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE VIEW "v1" AS select '0' or '1' AS "test" latin1 latin1_swedish_ci
SELECT * FROM v1;
test
1
DROP VIEW v1;