# Test that old binlog formats can be read.

# Some previous versions of MySQL use their own binlog format,
# especially in row-based replication.  This test uses saved binlogs
# from those old versions to test that we can replicate from old
# versions to the present version.

# Replicating from old versions to new versions is necessary in an
# online upgrade scenario, where the .

# The previous versions we currently test are:
#  - version 5.1.17 and earlier trees
#  - mysql-5.1-wl2325-xxx trees (AKA alcatel trees)
#  - mysql-5.1-telco-6.1 trees (AKA ndb trees)
# For completeness, we also test mysql-5.1-new_rpl, which is supposed
# to be the "correct" version.

# All binlogs were generated with the same commands (listed at the end
# of this test for reference).  The binlogs contain the following
# events: Table_map, Write_rows, Update_rows, Delete_rows Query, Xid,
# User_var, Int_var, Rand, Begin_load, Append_file, Execute_load.

# Related bugs: BUG#27779, BUG#31581, BUG#31582, BUG#31583, BUG#32407

source include/not_embedded.inc;

--disable_warnings
DROP TABLE IF EXISTS t1, t2, t3;


--echo ==== Read modern binlog (version 5.1.23) ====

# Read binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/ver_5_1_23.001 | $MYSQL --local-infile=1
# Show result.
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
SELECT COUNT(*) FROM t3;
# Reset.
DROP TABLE t1, t2, t3;


--echo ==== Read binlog from version 5.1.17 ====

# Read binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/ver_5_1_17.001 | $MYSQL --local-infile=1
# Show result.
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
SELECT COUNT(*) FROM t3;
# Reset.
DROP TABLE t1, t2, t3;


--echo ==== Read binlog from version 4.1 ====

# In this version, neither row-based binlogging nor Xid events
# existed, so the binlog was generated without the "row-based tests"
# part and the "get xid event" part, and it does not create table t2.

# Read binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/binlog_old_version_4_1.000001 | $MYSQL --local-infile=1
# Show result.
SELECT * FROM t1 ORDER BY a;
SELECT COUNT(*) FROM t3;
# Reset.
DROP TABLE t1, t3;


--echo ==== Read binlog from alcatel tree (mysql-5.1-wl2325-5.0-drop6) ====

# In this version, it was not possible to switch between row-based and
# statement-based binlogging without restarting the server.  So, we
# have two binlogs; one for row based and one for statement based
# replication.

# Read rbr binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/ver_5_1-wl2325_r.001 | $MYSQL --local-infile=1
# Read stm binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/ver_5_1-wl2325_s.001 | $MYSQL --local-infile=1
# Show result.
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
SELECT COUNT(*) FROM t3;
# Reset.
DROP TABLE t1, t2, t3;


--echo ==== Read binlog from ndb tree (mysql-5.1-telco-6.1) ====

# Read binlog.
--exec $MYSQL_BINLOG --local-load=$MYSQLTEST_VARDIR/tmp/ suite/binlog/std_data/ver_5_1-telco.001 | $MYSQL --local-infile=1
# Show resulting tablea.
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
SELECT COUNT(*) FROM t3;
# Reset.
DROP TABLE t1, t2, t3;


#### The following commands were used to generate the binlogs ####
#
#source include/master-slave.inc;
#
## ==== initialize ====
#USE test;
#CREATE TABLE t1 (a int, b char(50)) ENGINE = MyISAM;
#CREATE TABLE t2 (a int, b char(50)) ENGINE = InnoDB;
#CREATE TABLE t3 (a char(20));
#
#
## ==== row based tests ====
#SET BINLOG_FORMAT='row';
#
## ---- get write, update, and delete rows events ----
#INSERT INTO t1 VALUES (0, 'one'), (1, 'two');
#UPDATE t1 SET a=a+1;
#DELETE FROM t1 WHERE a=2;
#
#
## ==== statement based tests ====
#SET BINLOG_FORMAT = 'statement';
#
## ---- get xid events ----
#BEGIN;
#INSERT INTO t2 VALUES (3, 'first stm in trx');
#INSERT INTO t1 VALUES (3, 'last stm in trx: next event should be xid');
#COMMIT;
#
## ---- get user var events ----
#SET @x = 4;
#INSERT INTO t1 VALUES (@x, 'four');
#
## ---- get rand event ----
#INSERT INTO t1 VALUES (RAND() * 1000000, 'random');
#
## ---- get intvar event ----
#INSERT INTO t1 VALUES (LAST_INSERT_ID(), 'last_insert_id');
#
## ---- get begin, append and execute load events ----
## double the file until we have more than 2^17 bytes, so that the
## event has to be split and we can use Append_file_log_event.
#
#SET SQL_LOG_BIN=0;
#CREATE TABLE temp (a char(20));
#LOAD DATA INFILE '../std_data_ln/words.dat' INTO TABLE temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#INSERT INTO temp SELECT * FROM temp;
#SELECT a FROM temp INTO OUTFILE 'big_file.dat';
#DROP TABLE temp;
#SET SQL_LOG_BIN=1;
#
#LOAD DATA INFILE 'big_file.dat' INTO TABLE t3;
#
#SELECT * FROM t1 ORDER BY a;
#SELECT * FROM t2 ORDER BY a;
#SELECT COUNT(*) FROM t3;
