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MDEV-21278 Assertion is_unsigned() == attr.unsigned_flag' or Assertion
field.is_sane()' failed
The type handler and unsigned_flag erroneously went out of sync in Item_func_minus::fix_length_and_dec.
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parent
ce41a9075a
commit
bbd2fa5c65
3 changed files with 73 additions and 3 deletions
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@ -2726,3 +2726,41 @@ DROP TABLE t1,t2;
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#
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# End of 10.4 tests
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#
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#
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# Start of 10.5 tests
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#
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#
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# MDEV-21278 Assertion `is_unsigned() == attr.unsigned_flag' or Assertion `field.is_sane()' failed
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#
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CREATE TABLE t1 (a TIMESTAMP);
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INSERT INTO t1 VALUES (NULL),(NULL);
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SET SESSION SQL_MODE= 'NO_UNSIGNED_SUBTRACTION';
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SELECT DISTINCT UUID_SHORT() - a FROM t1;
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UUID_SHORT() - a
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xxx
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xxx
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CREATE TABLE t2 AS SELECT DISTINCT UUID_SHORT() - a FROM t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`UUID_SHORT() - a` bigint(22) NOT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t2, t1;
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SET sql_mode=DEFAULT;
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CREATE TABLE t1 (a TIMESTAMP);
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INSERT INTO t1 VALUES (NULL),(NULL);
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SET SESSION SQL_MODE= 'NO_UNSIGNED_SUBTRACTION';
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SELECT UUID_SHORT() - a FROM t1;
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UUID_SHORT() - a
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xxx
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xxx
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CREATE TABLE t2 AS SELECT UUID_SHORT() - a FROM t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`UUID_SHORT() - a` bigint(22) NOT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t2, t1;
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#
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# End of 10.5 tests
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#
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@ -1736,3 +1736,36 @@ DROP TABLE t1,t2;
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--echo #
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--echo # End of 10.4 tests
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--echo #
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--echo #
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--echo # Start of 10.5 tests
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--echo #
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--echo #
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--echo # MDEV-21278 Assertion `is_unsigned() == attr.unsigned_flag' or Assertion `field.is_sane()' failed
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--echo #
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CREATE TABLE t1 (a TIMESTAMP);
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INSERT INTO t1 VALUES (NULL),(NULL);
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SET SESSION SQL_MODE= 'NO_UNSIGNED_SUBTRACTION';
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--replace_column 1 xxx
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SELECT DISTINCT UUID_SHORT() - a FROM t1;
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CREATE TABLE t2 AS SELECT DISTINCT UUID_SHORT() - a FROM t1;
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SHOW CREATE TABLE t2;
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DROP TABLE t2, t1;
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SET sql_mode=DEFAULT;
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CREATE TABLE t1 (a TIMESTAMP);
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INSERT INTO t1 VALUES (NULL),(NULL);
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SET SESSION SQL_MODE= 'NO_UNSIGNED_SUBTRACTION';
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--replace_column 1 xxx
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SELECT UUID_SHORT() - a FROM t1;
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CREATE TABLE t2 AS SELECT UUID_SHORT() - a FROM t1;
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SHOW CREATE TABLE t2;
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DROP TABLE t2, t1;
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--echo #
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--echo # End of 10.5 tests
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--echo #
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@ -1235,9 +1235,8 @@ bool Item_func_minus::fix_length_and_dec()
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if (Item_func_minus::type_handler()->Item_func_minus_fix_length_and_dec(this))
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DBUG_RETURN(TRUE);
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DBUG_PRINT("info", ("Type: %s", type_handler()->name().ptr()));
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if ((m_depends_on_sql_mode_no_unsigned_subtraction= unsigned_flag) &&
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(current_thd->variables.sql_mode & MODE_NO_UNSIGNED_SUBTRACTION))
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unsigned_flag= false;
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m_depends_on_sql_mode_no_unsigned_subtraction= unsigned_flag;
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fix_unsigned_flag();
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DBUG_RETURN(FALSE);
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}
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