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MDEV-16186 Concatenation operator || returns wrong results in sql_mode=ORACLE

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This commit is contained in:
Alexander Barkov
2018-05-16 17:21:31 +04:00
parent 66360506f0
commit c2df4e9d62
8 changed files with 294 additions and 43 deletions
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67
mysql-test/suite/compat/oracle/r/func_concat.result
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@ -255,3 +255,70 @@ SELECT * FROM v1;
test
1
DROP VIEW v1;
#
# MDEV-16186 Concatenation operator || returns wrong results in sql_mode=ORACLE
#
SELECT -1<<1||1 AS a FROM DUAL;
a
18446744073709549568
SELECT -1||0<<1 AS a FROM DUAL;
a
18446744073709551596
EXPLAIN EXTENDED SELECT -1<<1||1 AS a FROM DUAL;
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 -1 << concat_operator_oracle(1,1) AS "a"
EXPLAIN EXTENDED SELECT -1||0<<1 AS a FROM DUAL;
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 concat_operator_oracle(-1,0) << 1 AS "a"
SELECT -1+1||1 AS a FROM DUAL;
a
01
SELECT -1||0+1 AS a FROM DUAL;
a
-9
EXPLAIN EXTENDED SELECT -1+1||1 AS a FROM DUAL;
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 concat_operator_oracle(-1 + 1,1) AS "a"
EXPLAIN EXTENDED SELECT -1||0+1 AS a FROM DUAL;
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 concat_operator_oracle(-1,0) + 1 AS "a"
SELECT 1*1||-1 AS a FROM DUAL;
a
1-1
SELECT 1||1*-1 AS a FROM DUAL;
a
1-1
EXPLAIN EXTENDED SELECT 1*1||-1 AS a FROM DUAL;
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 concat_operator_oracle(1 * 1,-1) AS "a"
EXPLAIN EXTENDED SELECT 1||1*-1 AS a FROM DUAL;
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 concat_operator_oracle(1,1 * -1) AS "a"
SELECT -1^1||1 AS a FROM DUAL;
a
184467440737095516141
SELECT -1||0^1 AS a FROM DUAL;
a
-11
EXPLAIN EXTENDED SELECT -1^1||1 AS a FROM DUAL;
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 concat_operator_oracle(-1 ^ 1,1) AS "a"
EXPLAIN EXTENDED SELECT -1||0^1 AS a FROM DUAL;
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 concat_operator_oracle(-1,0 ^ 1) AS "a"