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229da7c0dd
In BUG#49562 we fixed the case where numeric user var events
would not serialize the flag stating whether the value was signed
or unsigned (unsigned_flag). This fixed the case that the slave
would get an overflow while treating the unsigned values as
signed.
In this bug, we find that the unsigned_flag can sometimes change
between the moment that the user value is recorded for binlogging
purposes and the actual binlogging time. Since we take the
unsigned_flag from the runtime variable data, at binlogging time,
and the variable value is comes from the copy taken earlier in
the execution, there may be inconsistency in the
User_var_log_event between the variable value and its
unsigned_flag.
We fix this by also copying the unsigned_flag of the
user_var_entry when its value is copied, for binlogging
purposes. Later, at binlogging time, we use the copied
unsigned_flag and not the one in the runtime user_var_entry
instance.
175 lines
5.5 KiB
Plaintext
175 lines
5.5 KiB
Plaintext
#
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# BUG#49562: SBR out of sync when using numeric data types + user variable
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#
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-- source include/master-slave.inc
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-- source include/have_binlog_format_statement.inc
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## Setup user variables for several numeric types, so that we get
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## coverage on the User_var_log_event different val types
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-- let $max_unsigned_long= 18446744073709551615
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-- let $min_signed_long= -9223372036854775808
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-- eval SET @positive= $max_unsigned_long
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-- eval SET @negative= $min_signed_long
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CREATE TABLE t1 (`tinyint` TINYINT,
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`smallint` SMALLINT,
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`mediumint` MEDIUMINT,
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`integer` INTEGER,
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`bigint` BIGINT,
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`utinyint` TINYINT UNSIGNED,
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`usmallint` SMALLINT UNSIGNED,
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`umediumint` MEDIUMINT UNSIGNED,
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`uinteger` INTEGER UNSIGNED,
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`ubigint` BIGINT UNSIGNED,
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`double` DOUBLE,
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`float` FLOAT,
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`real` REAL(30,2),
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`decimal` DECIMAL(30,2)) ENGINE = MyISAM;
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-- disable_warnings
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-- echo ### insert max unsigned
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-- echo ### a) declarative
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-- eval INSERT INTO t1 VALUES ($max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long,$max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long, $max_unsigned_long);
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-- echo #########################################
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-- echo #### [ on master ]
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-- query_vertical SELECT * FROM t1
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-- sync_slave_with_master
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-- echo #### [ on slave ]
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-- query_vertical SELECT * FROM t1
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-- echo #########################################
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-- connection master
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-- echo ## assertion: master and slave tables are in sync
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-- let $diff_table_1=master:test.t1
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-- let $diff_table_2=slave:test.t1
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-- source include/diff_tables.inc
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-- connection master
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TRUNCATE t1;
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-- echo ### b) user var
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INSERT INTO t1 VALUES (@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive,
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@positive);
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-- echo #########################################
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-- echo #### [ on master ]
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-- query_vertical SELECT * FROM t1
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-- sync_slave_with_master
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-- echo #### [ on slave ]
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-- query_vertical SELECT * FROM t1
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-- echo #########################################
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-- connection master
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-- echo ## assertion: master and slave tables are in sync
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-- let $diff_table_1=master:test.t1
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-- let $diff_table_2=slave:test.t1
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-- source include/diff_tables.inc
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-- connection master
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TRUNCATE t1;
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-- echo ### insert min signed
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-- echo ### a) declarative
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-- eval INSERT INTO t1 VALUES ($min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long,$min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long, $min_signed_long);
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-- echo #########################################
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-- echo #### [ on master ]
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-- query_vertical SELECT * FROM t1
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-- sync_slave_with_master
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-- echo #### [ on slave ]
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-- query_vertical SELECT * FROM t1
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-- echo #########################################
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-- connection master
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-- echo ## assertion: master and slave tables are in sync
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-- let $diff_table_1=master:test.t1
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-- let $diff_table_2=slave:test.t1
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-- source include/diff_tables.inc
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-- connection master
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TRUNCATE t1;
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-- echo ### b) user var
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INSERT INTO t1 VALUES (@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative,
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@negative);
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-- echo #########################################
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-- echo #### [ on master ]
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-- query_vertical SELECT * FROM t1
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-- sync_slave_with_master
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-- echo #### [ on slave ]
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-- query_vertical SELECT * FROM t1
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-- echo #########################################
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-- connection master
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-- echo ## assertion: master and slave tables are in sync
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-- let $diff_table_1=master:test.t1
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-- let $diff_table_2=slave:test.t1
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-- source include/diff_tables.inc
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-- connection master
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TRUNCATE t1;
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-- echo ## check: contents of both tables master's and slave's
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-- enable_warnings
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## cleanup
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-- connection master
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DROP TABLE t1;
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-- sync_slave_with_master
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#####################################################################
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#
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# BUG#51426
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#
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#####################################################################
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-- source include/master-slave-reset.inc
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-- connection master
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CREATE TABLE t1 ( c INT, PRIMARY KEY (c)) Engine=MyISAM;
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# offending trigger that would reset the unsigned flag for aux before
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# binlogging of User_var_log_event would take place.
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CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW SET @aux = -1 ;
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SET @aux = 10294947273192243200;
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SET @aux1= @aux;
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-- error ER_DUP_ENTRY
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INSERT INTO t1 VALUES (@aux) , (@aux1);
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-- sync_slave_with_master
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-- echo ## assertion: master and slave tables are in sync
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-- let $diff_table_1=master:test.t1
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-- let $diff_table_2=slave:test.t1
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-- source include/diff_tables.inc
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--connection master
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DROP TRIGGER tr1;
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DROP TABLE t1;
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-- sync_slave_with_master
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