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# ==== Purpose ====
#
# Verify that mysqlbinlog generates an error and returns nonzero exit
# code, when the binary log is corrupted.
#
# ==== Requirements ====
#
# R1. When a binary log file is corrupted, mysqlbinlog should generate
# an error and stop with a nonzero exit code.
#
# R2. In the special case where the format_description_log_event has
# the IN_USE flag set, and the binary log ends with a truncated
# event, mysqlbinlog should only print a commented message and
# return exit code zero.
#
# ==== Implementation ====
#
# 1. Use a debug symbol to produce a corrupted binary log file.
# 2. Check that mysqlbinlog fails.
# 3. Repeat the above to test both the active binary log file, and an
# inactive one.
#
# ==== References ====
#
# BUG#35083373: mysqlbinlog ignores errors in files having
# LOG_EVENT_BINLOG_IN_USE_F set
--source include/have_debug.inc
# No need to run the test serveral times
--source include/have_binlog_format_row.inc
--echo # Init: Clear binary logs from previous tests.
RESET MASTER;
--echo ==== R1: Error for corrupted file ====
--echo # Create a corrupted binary log.
--let $debug_point = set_query_log_event_size_to_5
--source include/add_debug_point.inc
CREATE TABLE t (a INT);
--source include/remove_debug_point.inc
--echo # Verify that mysqlbinlog fails
--source include/save_binlog_position.inc
--let $assert_command = $MYSQL_BINLOG --force-if-open $binlog_fullpath 2>&1
--let $assert_regex = ERROR: Could not read entry at offset .*: Error in log format or read error 1..*ERROR: corrupted data in log event
--let $assert_status = 1
--source include/assert_command_output.inc
--echo # Rotate and verify that mysqlbinlog still fails.
FLUSH BINARY LOGS;
--source include/assert_command_output.inc
--echo # Clean up.
DROP TABLE t;
RESET MASTER;
--echo ==== R2.1: No error for truncated file when IN_USE flag is set ====
--echo # Create a truncated binary log.
CREATE TABLE t (a INT);
--source include/save_binlog_position.inc
--let $in_filename = $binlog_fullpath
--let $out_filename = $in_filename.tmp
--let $file_start_pos = 0
--let $ten = 10
--expr $file_stop_pos = $binlog_position - $ten
--source include/copy_file_segment.inc
--let $dev_null = /dev/null
--source include/check_windows.inc
if ($have_windows) {
--let $dev_null = NUL
}
--let $assert_command = $MYSQL_BINLOG --force-if-open $out_filename 2>&1 > $dev_null
--let $assert_regex = WARNING: File ends with a truncated event
--let $assert_status = 0
--source include/assert_command_output.inc
--echo # Clean up.
--remove_file $binlog_fullpath.tmp
DROP TABLE t;
RESET MASTER;
--echo ==== R2.2: Error for truncated file when IN_USE flag is not set ====
--echo # Create a truncated binary log.
CREATE TABLE t (a INT);
--source include/save_binlog_position.inc
FLUSH BINARY LOGS;
--let $in_filename = $binlog_fullpath
--let $out_filename = $in_filename.tmp
--let $file_start_pos = 0
--let $ten = 10
--expr $file_stop_pos = $binlog_position - $ten
--source include/copy_file_segment.inc
--echo # Rotate and verify that mysqlbinlog now fails.
--let $assert_command = $MYSQL_BINLOG --force-if-open $binlog_fullpath.tmp 2>&1
--let $assert_regex = ERROR: Could not read entry at offset .*: Error in log format or read error 1..*ERROR: binlog truncated in the middle of event; consider out of disk space
--let $assert_status = 1
--source include/assert_command_output.inc
--echo # Clean up.
--remove_file $binlog_fullpath.tmp
DROP TABLE t;
RESET MASTER;
|
