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WL#3629 - Replication of Invocation and Invoked Features
This changeset adds replication of events and user-defined functions.
There are several bug reports involved in this change:
BUG#16421, BUG#17857, BUG#20384:
This patch modifies the mysql.events table to permit the addition of
another enum value for the status column. The column now has values
of ('DISABLED','SLAVESIDE_DISABLED','ENABLED'). A status of
SLAVESIDE_DISABLED is set on the slave during replication of events.
This enables users to determine which events werereplicated from the
master and to later enable them if they promote the slave to a master.
The CREATE, ALTER, and DROP statements are binlogged.
A new test was added for replication of events (rpl_events).
BUG#17671:
This patch modifies the code to permit logging of user-defined functions.
Note: this is the CREATE FUNCTION ... SONAME variety. A more friendly error
message to be displayed should a replicated user-defined function not be
found in the loadable library or if the library is missing from the
slave.The CREATE andDROP statements are binlogged. A new test was added
for replication of user-defined functions (rpl_udf).
The patch also adds a new column to the mysql.event table named
'originator' that is used to store the server_id of the server that
the event originated on. This enables users to promote a slave to a
master and later return the promoted slave to a slave and disable the
replicated events.
This commit is contained in:
cbell/Chuck@mysql_cab_desk.
310
mysql-test/r/rpl_udf.result
Normal file
310
mysql-test/r/rpl_udf.result
Normal file
@ -0,0 +1,310 @@
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stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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set binlog_format=row;
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drop table if exists t1;
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"*** Test 1) Test UDFs via loadable libraries ***
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"Running on the master"
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CREATE FUNCTION myfunc_double RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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affected rows: 0
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CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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affected rows: 0
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CREATE FUNCTION myfunc_nonexist RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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ERROR HY000: Can't find symbol 'myfunc_nonexist' in library
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SELECT * FROM mysql.func;
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name ret dl type
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myfunc_double 1 udf_example.dll function
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myfunc_int 2 udf_example.dll function
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affected rows: 2
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"Running on the slave"
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SELECT * FROM mysql.func;
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name ret dl type
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myfunc_double 1 udf_example.dll function
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myfunc_int 2 udf_example.dll function
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affected rows: 2
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"Running on the master"
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CREATE TABLE t1(sum INT, price FLOAT(24)) ENGINE=MyISAM;
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affected rows: 0
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INSERT INTO t1 VALUES(myfunc_int(100), myfunc_double(50.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(10), myfunc_double(5.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(200), myfunc_double(25.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(1), myfunc_double(500.00));
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affected rows: 1
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 48.5
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10 48.75
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100 48.6
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200 49
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affected rows: 4
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"Running on the slave"
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 48.5
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10 48.75
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100 48.6
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200 49
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affected rows: 4
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SELECT myfunc_int(25);
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myfunc_int(25)
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25
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affected rows: 1
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SELECT myfunc_double(75.00);
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myfunc_double(75.00)
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50.00
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affected rows: 1
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"Running on the master"
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DROP FUNCTION myfunc_double;
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affected rows: 0
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DROP FUNCTION myfunc_int;
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affected rows: 0
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SELECT * FROM mysql.func;
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name ret dl type
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affected rows: 0
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"Running on the slave"
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SELECT * FROM mysql.func;
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name ret dl type
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affected rows: 0
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"Running on the master"
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DROP TABLE t1;
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affected rows: 0
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"*** Test 2) Test UDFs with SQL body ***
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"Running on the master"
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CREATE FUNCTION myfuncsql_int(i INT) RETURNS INTEGER DETERMINISTIC RETURN i;
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affected rows: 0
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CREATE FUNCTION myfuncsql_double(d DOUBLE) RETURNS INTEGER DETERMINISTIC RETURN d * 0.95;
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95
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test myfuncsql_int FUNCTION i INT RETURN i
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affected rows: 2
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95
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test myfuncsql_int FUNCTION i INT RETURN i
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affected rows: 2
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"Running on the master"
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CREATE TABLE t1(sum INT, price FLOAT(24)) ENGINE=MyISAM;
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affected rows: 0
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INSERT INTO t1 VALUES(myfuncsql_int(100), myfuncsql_double(50.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(10), myfuncsql_double(5.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(200), myfuncsql_double(25.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(1), myfuncsql_double(500.00));
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affected rows: 1
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 475
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10 5
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100 47
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200 24
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affected rows: 4
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"Running on the slave"
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 475
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10 5
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100 47
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200 24
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affected rows: 4
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"Running on the master"
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ALTER FUNCTION myfuncsql_int COMMENT "This was altered.";
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affected rows: 0
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ALTER FUNCTION myfuncsql_double COMMENT "This was altered.";
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95 This was altered.
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test myfuncsql_int FUNCTION i INT RETURN i This was altered.
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affected rows: 2
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95 This was altered.
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test myfuncsql_int FUNCTION i INT RETURN i This was altered.
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affected rows: 2
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SELECT myfuncsql_int(25);
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myfuncsql_int(25)
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25
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affected rows: 1
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SELECT myfuncsql_double(75.00);
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myfuncsql_double(75.00)
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71
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affected rows: 1
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"Running on the master"
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DROP FUNCTION myfuncsql_double;
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affected rows: 0
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DROP FUNCTION myfuncsql_int;
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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affected rows: 0
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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affected rows: 0
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"Running on the master"
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DROP TABLE t1;
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affected rows: 0
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set binlog_format=statement;
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drop table if exists t1;
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"*** Test 1) Test UDFs via loadable libraries ***
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"Running on the master"
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CREATE FUNCTION myfunc_double RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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affected rows: 0
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CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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affected rows: 0
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CREATE FUNCTION myfunc_nonexist RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
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ERROR HY000: Can't find symbol 'myfunc_nonexist' in library
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SELECT * FROM mysql.func;
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name ret dl type
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myfunc_int 2 udf_example.dll function
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myfunc_double 1 udf_example.dll function
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affected rows: 2
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"Running on the slave"
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SELECT * FROM mysql.func;
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name ret dl type
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myfunc_int 2 udf_example.dll function
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myfunc_double 1 udf_example.dll function
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affected rows: 2
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"Running on the master"
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CREATE TABLE t1(sum INT, price FLOAT(24)) ENGINE=MyISAM;
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affected rows: 0
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INSERT INTO t1 VALUES(myfunc_int(100), myfunc_double(50.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(10), myfunc_double(5.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(200), myfunc_double(25.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfunc_int(1), myfunc_double(500.00));
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affected rows: 1
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 48.5
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10 48.75
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100 48.6
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200 49
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affected rows: 4
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"Running on the slave"
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 48.5
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10 48.75
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100 48.6
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200 49
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affected rows: 4
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SELECT myfunc_int(25);
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myfunc_int(25)
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25
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affected rows: 1
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SELECT myfunc_double(75.00);
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myfunc_double(75.00)
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50.00
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affected rows: 1
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"Running on the master"
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DROP FUNCTION myfunc_double;
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affected rows: 0
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DROP FUNCTION myfunc_int;
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affected rows: 0
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SELECT * FROM mysql.func;
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name ret dl type
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affected rows: 0
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"Running on the slave"
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SELECT * FROM mysql.func;
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name ret dl type
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affected rows: 0
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"Running on the master"
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DROP TABLE t1;
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affected rows: 0
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"*** Test 2) Test UDFs with SQL body ***
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"Running on the master"
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CREATE FUNCTION myfuncsql_int(i INT) RETURNS INTEGER DETERMINISTIC RETURN i;
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affected rows: 0
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CREATE FUNCTION myfuncsql_double(d DOUBLE) RETURNS INTEGER DETERMINISTIC RETURN d * 0.95;
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95
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test myfuncsql_int FUNCTION i INT RETURN i
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affected rows: 2
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95
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test myfuncsql_int FUNCTION i INT RETURN i
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affected rows: 2
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"Running on the master"
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CREATE TABLE t1(sum INT, price FLOAT(24)) ENGINE=MyISAM;
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affected rows: 0
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INSERT INTO t1 VALUES(myfuncsql_int(100), myfuncsql_double(50.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(10), myfuncsql_double(5.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(200), myfuncsql_double(25.00));
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affected rows: 1
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INSERT INTO t1 VALUES(myfuncsql_int(1), myfuncsql_double(500.00));
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affected rows: 1
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 475
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10 5
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100 47
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200 24
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affected rows: 4
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"Running on the slave"
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SELECT * FROM t1 ORDER BY sum;
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sum price
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1 475
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10 5
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100 47
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200 24
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affected rows: 4
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"Running on the master"
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ALTER FUNCTION myfuncsql_int COMMENT "This was altered.";
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affected rows: 0
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ALTER FUNCTION myfuncsql_double COMMENT "This was altered.";
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95 This was altered.
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test myfuncsql_int FUNCTION i INT RETURN i This was altered.
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affected rows: 2
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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test myfuncsql_double FUNCTION d DOUBLE RETURN d * 0.95 This was altered.
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test myfuncsql_int FUNCTION i INT RETURN i This was altered.
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affected rows: 2
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SELECT myfuncsql_int(25);
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myfuncsql_int(25)
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25
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affected rows: 1
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SELECT myfuncsql_double(75.00);
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myfuncsql_double(75.00)
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71
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affected rows: 1
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"Running on the master"
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DROP FUNCTION myfuncsql_double;
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affected rows: 0
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DROP FUNCTION myfuncsql_int;
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affected rows: 0
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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affected rows: 0
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"Running on the slave"
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SELECT db, name, type, param_list, body, comment FROM mysql.proc WHERE db = 'test' AND name LIKE 'myfuncsql%';
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db name type param_list body comment
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affected rows: 0
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"Running on the master"
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DROP TABLE t1;
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affected rows: 0
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