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MDEV-33836 Compute modulus correctly in sequence

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When the sequence is unsigned bigint, it needs to be cast to unsigned
for correct computation of the modulus.
This commit is contained in:
Yuchen Pei
2024-08-12 10:33:12 +10:00
parent 2603453436
commit 8b8c8fcb86
5 changed files with 58 additions and 1 deletions
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17
mysql-test/suite/sql_sequence/auto_increment.test
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@ -48,6 +48,23 @@ create sequence s as bigint start with -9223372036854775805 minvalue -9223372036
drop sequence s;
set global auto_increment_increment= default, auto_increment_offset= default;
--echo #
--echo # MDEV-33836 Assertion `(ulonglong) next_free_value % real_increment == (ulonglong) offset' failed in void sequence_definition::adjust_values(longlong)
--echo #
CREATE SEQUENCE s AS BIGINT UNSIGNED START WITH 9223372036854775800 INCREMENT 0;
set @old_AUTO_INCREMENT_INCREMENT=@@global.AUTO_INCREMENT_INCREMENT;
set global AUTO_INCREMENT_INCREMENT=10;
SELECT NEXTVAL (s);
FLUSH TABLES WITH READ LOCK;
# ER_CANT_UPDATE_WITH_READLOCK when executed normally
# ER_BAD_FIELD_ERROR when executed as a prepared statement
--error ER_CANT_UPDATE_WITH_READLOCK,ER_BAD_FIELD_ERROR
UPDATE s SET a=1;
unlock tables;
set global AUTO_INCREMENT_INCREMENT=@old_AUTO_INCREMENT_INCREMENT;
drop sequence s;
--enable_ps2_protocol
--echo #