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# ==== Purpose ====
#
# Verify that GTID events are always generated:
# - Every binary and relay log must begin with a Previous_gtids_log_event,
#   regardless of GTID_MODE.
# - Every transaction must begin with an Anonymous_gtid event if GTID_MODE=OFF.
# - Every transaction must begin with a Gtid event if GTID_MODE=ON.
#
# ==== Implementation ====
#
# 1. Generate a binary log and verify that it contains anonymous
#    events/gtid events.
#
# 2. Rotate binary logs in all possible ways:
#    - RESET MASTER
#    - FLUSH BINARY LOGS
#    - Grow over the binlog size limit
#    - Restart master server
#
# 3. Rotate relay logs in all possible ways:
#    - Master rotates its binary log in one of the above ways.
#    - Restart the receiver thread
#    - FLUSH RELAY LOGS
#    - Grow over the relay log size limit
#    - Restart the slave server
#
# ==== References ====
#
# WL#7592: GTIDs: generate Gtid_log_event and Previous_gtids_log_event always
# - Test created in this worklog.

# No need to run test in more than one binlog_format.
--source include/have_binlog_format_statement.inc
--source include/master-slave.inc

--echo ==== Initialize ====

--let $gtid_event= Gtid
if (!$gtid_mode_on)
{
  --let $gtid_event= Anonymous_Gtid
}

--echo ==== Test presence of transaction events ====

--source include/save_binlog_position.inc
CREATE TABLE t1 (a VARCHAR(10000));

--let $dont_print_pattern= 1
--let $event_sequence= $gtid_event # !Q(CREATE.*)
--source include/assert_binlog_events.inc
--let $dont_print_pattern= 0

--source include/save_binlog_position.inc
INSERT INTO t1 VALUES ('1');

--let $dont_print_pattern= 1
--let $event_sequence= $gtid_event # !Begin # !Q(INSERT.*) # !Commit
--source include/assert_binlog_events.inc
--let $dont_print_pattern= 0

--echo ==== Generate new binary logs in many ways ====

--echo ---- RESET MASTER ----

# RESET MASTER is with a running slave has undefined consequences.
--connection slave
--source include/stop_slave.inc
RESET SLAVE;
RESET MASTER;

--connection master
RESET MASTER;
INSERT INTO t1 VALUES ('2');

--connection slave
# Do not start the applier threads since that would purge processed relay logs.
--source include/start_slave_io.inc
--connection master

--echo ---- FLUSH LOGS ----

FLUSH LOGS;
INSERT INTO t1 VALUES ('3');

--echo ---- Grow over the limit ----

--let $old_max_binlog_size= `SELECT @@GLOBAL.MAX_BINLOG_SIZE`
SET @@GLOBAL.MAX_BINLOG_SIZE= 4096;
--let $long_text= `SELECT REPEAT('a', 4096)`
--replace_result $long_text <LONG_TEXT>
eval INSERT INTO t1 VALUES ('$long_text');
eval SET @@GLOBAL.MAX_BINLOG_SIZE= $old_max_binlog_size;
eval INSERT INTO t1 VALUES ('4');

--echo ---- Restart server ----

--source include/sync_slave_io_with_master.inc
--source include/stop_slave_io.inc
--connection master
--let $rpl_server_number= 1
--source include/rpl_restart_server.inc
INSERT INTO t1 VALUES ('5');

--echo ==== Generate new relay logs in many ways ====

--echo ---- Reconnect receiver thread ----

--source include/save_master_pos.inc
--connection slave
--source include/start_slave_io.inc
--source include/sync_slave_io.inc
# At this point, the slave running without GTID auto positioning will
# produce one relaylog file more than the slave running with GTID and auto
# positioning.
#
# This happens because the slave based on master positions will reconnect
# asking for the last known good position (at master-bin.000003) and will
# read the master rotating to master-bin.000004 and will rotate the relaylog.
#
# The slave based on GTIDs and AUTO_POSITION will ask for the transaction
# which GTID event is at master-bin.000004, so it will not read the master's
# rotate event to master-bin.000004.
#
# So, to make both configurations to have the same amount of relaylog files,
# we will generate a FLUSH RELAY LOG only if GTID AUTO_POSITION is enabled.

--let $is_auto_position_enabled= query_get_value(SHOW SLAVE STATUS, Auto_Position, 1)
if ($is_auto_position_enabled)
{
  --disable_query_log
  FLUSH RELAY LOGS;
  --enable_query_log
}
--source include/stop_slave_io.inc
# Needed in the 'grow over the limit' case below.  We don't want to
# disturb that case by reconnecting the receiver thread, so we set the
# variable here.
--let $old_max_relay_log_size= `SELECT @@GLOBAL.MAX_RELAY_LOG_SIZE`
SET @@GLOBAL.MAX_RELAY_LOG_SIZE= 4096;
--source include/start_slave_io.inc

--connection master
INSERT INTO t1 VALUES ('6');
--source include/sync_slave_io_with_master.inc
--connection master

--echo ---- FLUSH RELAY LOGS ----

--connection slave
FLUSH RELAY LOGS;

--connection master
INSERT INTO t1 VALUES ('7');
--source include/sync_slave_io_with_master.inc
--connection master

--echo ---- Grow over the limit ----

--replace_result $long_text <LONG_TEXT>
eval INSERT INTO t1 VALUES ('$long_text');
INSERT INTO t1 VALUES ('8');
--source include/sync_slave_io_with_master.inc
--connection master

--echo ---- Restart slave server ----

--let $rpl_server_number= 2
--source include/rpl_restart_server.inc

--connection slave
--source include/start_slave_io.inc

--connection master
INSERT INTO t1 VALUES ('9');
--source include/sync_slave_io_with_master.inc
--connection master

--echo ==== Test that binary logs contain Previous_gtids ====

--connection master

# Parameters for assert_binlog_events.
--let $binlog_position=
--let $binlog_file=
--let $include_header_events= 1

# Table to store binlog filenames.
--connection master
SET SQL_LOG_BIN= 0;
CREATE TEMPORARY TABLE binlogs
  (id INT PRIMARY KEY AUTO_INCREMENT, filename VARCHAR(512));
--let $index_file= `SELECT @@GLOBAL.LOG_BIN_INDEX`
--let $table= binlogs
--source include/rpl_read_binlog_index_into_table.inc

# Verify that each binlog contains the events.
--let $count= `SELECT COUNT(*) FROM binlogs`
--let $i= 0
while ($i < $count)
{
  --let $binlog_file= `SELECT filename FROM binlogs LIMIT $i, 1`
  --echo $binlog_file
  --let $event_sequence= Format_desc # Previous_gtids(.|#)*
  --source include/assert_binlog_events.inc
  --inc $i
}
DROP TEMPORARY TABLE binlogs;
SET SQL_LOG_BIN= 1;

--echo ==== Test that relay logs contain Previous_gtids ====

--connection slave

# Parameter for assert_binlog_events.
--let $relay_log= 1

SET SQL_LOG_BIN= 0;
CREATE TEMPORARY TABLE relay_logs
  (id INT PRIMARY KEY AUTO_INCREMENT, filename VARCHAR(512));
--let $index_file= `SELECT @@GLOBAL.RELAY_LOG_INDEX`
--let $table= relay_logs
--source include/rpl_read_binlog_index_into_table.inc

# Verify that each binlog contains the events.
--let $count= `SELECT COUNT(*) FROM relay_logs`
--let $i= 0
while ($i < $count)
{
  --let $binlog_file= `SELECT filename FROM relay_logs LIMIT $i, 1`
  --let $event_sequence= Format_desc # Previous_gtids(.|#)*
  --source include/assert_binlog_events.inc

  --inc $i
}
DROP TEMPORARY TABLE relay_logs;
SET SQL_LOG_BIN= 1;

--echo ==== Clean up ====

--source include/start_slave_sql.inc

--connection master
DROP TABLE t1;

--source include/rpl_end.inc