\FBMYSQLBINLOG\FR - Online Linux Manual PageSection : 1
Updated : 14 April 2021
Source : MariaDB 10\&.5
Note : MariaDB Database System
NAMEmysqlbinlog − utility for processing binary log files
SYNOPSISmysqlbinlog [options] log_file ​.​.​.
DESCRIPTIONThe server´s binary log consists of files containing ‟events” that describe modifications to database contents​. The server writes these files in binary format​. To display their contents in text format, use the mysqlbinlog utility​. You can also use mysqlbinlog to display the contents of relay log files written by a slave server in a replication setup because relay logs have the same format as binary logs​. Invoke mysqlbinlog like this: shell> mysqlbinlog [options] log_file ​.​.​.For example, to display the contents of the binary log file named binlog​.000003, use this command: shell> mysqlbinlog binlog​.0000003The output includes events contained in binlog​.000003​. For statement−based logging, event information includes the SQL statement, the ID of the server on which it was executed, the timestamp when the statement was executed, how much time it took, and so forth​. For row−based logging, the event indicates a row change rather than an SQL statement​. Events are preceded by header comments that provide additional information​. For example: # at 141 #100309 9:28:36 server id 123 end_log_pos 245 Query thread_id=3350 exec_time=11 error_code=0In the first line, the number following at indicates the starting position of the event in the binary log file​. The second line starts with a date and time indicating when the statement started on the server where the event originated​. For replication, this timestamp is propagated to slave servers​. server id is the server_id value of the server where the event originated​. end_log_pos indicates where the next event starts (that is, it is the end position of the current event + 1)​. thread_id indicates which thread executed the event​. exec_time is the time spent executing the event, on a master server​. On a slave, it is the difference of the end execution time on the slave minus the beginning execution time on the master​. The difference serves as an indicator of how much replication lags behind the master​. error_code indicates the result from executing the event​. Zero means that no error occurred​. The output from mysqlbinlog can be re−executed (for example, by using it as input to mysql) to redo the statements in the log​. This is useful for recovery operations after a server crash​. For other usage examples, see the discussion later in this section​. Normally, you use mysqlbinlog to read binary log files directly and apply them to the local MariaDB server​. It is also possible to read binary logs from a remote server by using the −−read−from−remote−server option​. To read remote binary logs, the connection parameter options can be given to indicate how to connect to the server​. These options are −−host, −−password, −−port, −−protocol, −−socket, and −−user; they are ignored except when you also use the −−read−from−remote−server option​. mysqlbinlog supports the following options, which can be specified on the command line or in the [mysqlbinlog] and [client] option file groups​. •  −−help, −? Display a help message and exit​. •  −−base64−output=value This option determines when events should be displayed encoded as base−64 strings using BINLOG statements​. The option has these allowable values (not case sensitive): •  AUTO ("automatic") or UNSPEC ("unspecified") displays BINLOG statements automatically when necessary (that is, for format description events and row events)​. This is the default if no −−base64−output option is given​. .it 1 an-trap
Note ¶.br Automatic BINLOG display is the only safe behavior if you intend to use the output of mysqlbinlog to re−execute binary log file contents​. The other option values are intended only for debugging or testing purposes because they may produce output that does not include all events in executable form​. •  NEVER causes BINLOG statements not to be displayed​. mysqlbinlog exits with an error if a row event is found that must be displayed using BINLOG​. •  DECODE−ROWS specifies to mysqlbinlog that you intend for row events to be decoded and displayed as commented SQL statements by also specifying the −−verbose option​. Like NEVER, DECODE−ROWS suppresses display of BINLOG statements, but unlike NEVER, it does not exit with an error if a row event is found​. The −−base64−output can be given as −−base64−output or −−skip−base64−output (with the sense of AUTO or NEVER)​. For examples that show the effect of −−base64−output and −−verbose on row event output, see the section called ‟MYSQLBINLOG ROW EVENT DISPLAY”​. •  −−binlog−row−event−max−size\=\fR\fB\fIpath\fR\fR The directory where character sets are installed​. •  −−character−sets−dir=path The directory where character sets are installed​. •  −−database=db_name, −d db_name This option causes mysqlbinlog to output entries from the binary log (local log only) that occur while db_name has been selected as the default database by USE​. The −−database option for mysqlbinlog is similar to the −−binlog−do−db option for mysqld, but can be used to specify only one database​. If −−database is given multiple times, only the last instance is used​. The effects of this option depend on whether the statement−based or row−based logging format is in use, in the same way that the effects of −−binlog−do−db depend on whether statement−based or row−based logging is in use​. Statement-based logging. The −−database option works as follows: •  While db_name is the default database, statements are output whether they modify tables in db_name or a different database​. •  Unless db_name is selected as the default database, statements are not output, even if they modify tables in db_name​. •  There is an exception for CREATE DATABASE, ALTER DATABASE, and DROP DATABASE​. The database being created, altered, or dropped is considered to be the default database when determining whether to output the statement​. Suppose that the binary log was created by executing these statements using statement−based−logging: INSERT INTO test​.t1 (i) VALUES(100); INSERT INTO db2​.t2 (j) VALUES(200); USE test; INSERT INTO test​.t1 (i) VALUES(101); INSERT INTO t1 (i) VALUES(102); INSERT INTO db2​.t2 (j) VALUES(201); USE db2; INSERT INTO test​.t1 (i) VALUES(103); INSERT INTO db2​.t2 (j) VALUES(202); INSERT INTO t2 (j) VALUES(203);mysqlbinlog −−database=test does not output the first two INSERT statements because there is no default database​. It outputs the three INSERT statements following USE test, but not the three INSERT statements following USE db2​. mysqlbinlog −−database=db2 does not output the first two INSERT statements because there is no default database​. It does not output the three INSERT statements following USE test, but does output the three INSERT statements following USE db2​. Row-based logging. mysqlbinlog outputs only entries that change tables belonging to db_name​. The default database has no effect on this​. Suppose that the binary log just described was created using row−based logging rather than statement−based logging​. mysqlbinlog −−database=test outputs only those entries that modify t1 in the test database, regardless of whether USE was issued or what the default database is​. If a server is running with binlog_format set to MIXED and you want it to be possible to use mysqlbinlog with the −−database option, you must ensure that tables that are modified are in the database selected by USE​. (In particular, no cross−database updates should be used​.) .it 1 an-trap
Note ¶.br This option did not work correctly for mysqlbinlog with row−based logging prior to MySQL 5​.1​.37​. •  −−debug[=debug_options], −# [debug_options] Write a debugging log​. A typical debug_options string is ´d:t:o,file_name´​. The default is ´d:t:o,/tmp/mysqlbinlog​.trace´​. •  −−debug−check Print some debugging information when the program exits​. •  −−debug−info Print debugging information and memory and CPU usage statistics when the program exits​. •  −−defaults−extra−file=name Read this file after the global files are read​. •  −−defaults−file=name Only read default options from the given file​. •  −−default−auth=name Default authentication client-side plugin to use​. •  −−disable−log−bin, −D Disable binary logging​. This is useful for avoiding an endless loop if you use the −−to−last−log option and are sending the output to the same MariaDB server​. This option also is useful when restoring after a crash to avoid duplication of the statements you have logged​. This option requires that you have the SUPER privilege​. It causes mysqlbinlog to include a SET sql_log_bin = 0 statement in its output to disable binary logging of the remaining output​. The SET statement is ineffective unless you have the SUPER privilege​. •  −−force−if−open Force if binlog was not closed properly. Defaults to on; use --skip-force-if-open to disable​. •  −−force−read, −f With this option, if mysqlbinlog reads a binary log event that it does not recognize, it prints a warning, ignores the event, and continues​. Without this option, mysqlbinlog stops if it reads such an event​. •  −−hexdump, −H Display a hex dump of the log in comments, as described in the section called ‟MYSQLBINLOG HEX DUMP FORMAT”​. The hex output can be helpful for replication debugging​. •  −−host=host_name, −h host_name Get the binary log from the MariaDB server on the given host​. •  −−local−load=path, −l path Prepare local temporary files for LOAD DATA INFILE in the specified directory​. •  −−no−defaults Don't read default options from any option file​. •  −−offset=N, −o N Skip the first N entries in the log​. •  −−open−files−limit=NUM Sets the open_files_limit variable, which is used to reserve file descriptors for mysqlbinlog​. •  −−password[=password], −p[password] The password to use when connecting to the server​. If you use the short option form (−p), you cannot have a space between the option and the password​. If you omit the password value following the −−password or −p option on the command line, mysqlbinlog prompts for one​. Specifying a password on the command line should be considered insecure​. You can use an option file to avoid giving the password on the command line​. •  −−plugin−dir=dir_name Directory for client-side plugins​. •  −−print−defaults Print the program argument list from all option files and exit​. •  −−port=port_num, −P port_num The TCP/IP port number to use for connecting to a remote server, or 0 for default to, in order of preference, my.cnf, $MYSQL_TCP_PORT, /etc/services, built-in default (3306)​. •  −−protocol={TCP|SOCKET|PIPE|MEMORY} The connection protocol to use for connecting to the server​. It is useful when the other connection parameters normally would cause a protocol to be used other than the one you want​. •  −−raw Requires -R​. Output raw binlog data instead of SQL statements​. Output files named after server logs​. •  −−read−from−remote−server, −R Read the binary log from a MariaDB server rather than reading a local log file​. Any connection parameter options are ignored unless this option is given as well​. These options are −−host, −−password, −−port, −−protocol, −−socket, and −−user​. This option requires that the remote server be running​. It works only for binary log files on the remote server, not relay log files​. •  −−result−file=name, −r name Direct output to the given file​. With --raw this is a prefix for the file names​. •  −−rewrite−db=name, −r name Updates to a database with a different name than the original. Example: rewrite-db='from->to'​. For events that are binlogged as statements, rewriting the database constitutes changing a statement's default database from db1 to db2​. There is no statement analysis or rewrite of any kind, that is, if one specifies "db1.tbl" in the statement explicitly, that occurrence won't be changed to "db2.tbl"​. Row-based events are rewritten correctly to use the new database name​. Filtering (e.g. with --database=name) happens after the database rewrites have been performed​. If you use this option on the command line and ">" has a special meaning to your command interpreter, quote the value (e.g. --rewrite-db="oldname->newname"​. •  −−server−id=id Display only those events created by the server having the given server ID​. •  −−set−charset=charset_name Add a SET NAMES charset_name statement to the output to specify the character set to be used for processing log files​. •  −−short−form, −s Display only the statements contained in the log, no extra info and no row-based events​. This is for testing only, and should not be used in production systems. If you want to suppress base64-output, consider using --base64-output=never instead​. •  −−socket=path, −S path For connections to localhost, the Unix socket file to use, or, on Windows, the name of the named pipe to use​. •  −−start−datetime=datetime Start reading the binary log at the first event having a timestamp equal to or later than the datetime argument​. The datetime value is relative to the local time zone on the machine where you run mysqlbinlog​. The value should be in a format accepted for the DATETIME or TIMESTAMP data types​. For example: shell> mysqlbinlog −−start−datetime="2014−12−25 11:25:56" binlog​.000003This option is useful for point−in−time recovery​. •  −−start−position=N, −j N Start reading the binary log at the first event having a position equal to or greater than N​. This option applies to the first log file named on the command line​. This option is useful for point−in−time recovery​. •  −−stop−datetime=datetime Stop reading the binary log at the first event having a timestamp equal to or later than the datetime argument​. This option is useful for point−in−time recovery​. See the description of the −−start−datetime option for information about the datetime value​. This option is useful for point−in−time recovery​. •  −−stop−never Wait for more data from the server instead of stopping at the end of the last log​. Implies --to-last-log​. •  −−stop−never-slave-server-id The slave server_id used for --read-from-remote-server --stop-never​. •  −−stop−position=N Stop reading the binary log at the first event having a position equal to or greater than N​. This option applies to the last log file named on the command line​. This option is useful for point−in−time recovery​. •  −−table, −T List entries for just this table (local log only)​. •  −−to−last−log, −t Do not stop at the end of the requested binary log from a MariaDB server, but rather continue printing until the end of the last binary log​. If you send the output to the same MariaDB server, this may lead to an endless loop, so this option requires −−read−from−remote−server​. •  −−user=user_name, −u user_name The MariaDB username to use when connecting to a remote server​. •  −−verbose, −v Reconstruct row events and display them as commented SQL statements​. If this option is given twice, the output includes comments to indicate column data types and some metadata​. For examples that show the effect of −−base64−output and −−verbose on row event output, see the section called ‟MYSQLBINLOG ROW EVENT DISPLAY”​. •  −−version, −V Display version information and exit​. You can also set the following variable by using −−var_name=value syntax: •  open_files_limit Specify the number of open file descriptors to reserve​. You can pipe the output of mysqlbinlog into the mysql client to execute the events contained in the binary log​. This technique is used to recover from a crash when you have an old backup​. For example: shell> mysqlbinlog binlog​.000001 | mysql −u root −pOr: shell> mysqlbinlog binlog​.[0−9]* | mysql −u root −pYou can also redirect the output of mysqlbinlog to a text file instead, if you need to modify the statement log first (for example, to remove statements that you do not want to execute for some reason)​. After editing the file, execute the statements that it contains by using it as input to the mysql program: shell> mysqlbinlog binlog​.000001 > tmpfile shell> ​.​.​. edit tmpfile ​.​.​. shell> mysql −u root −p < tmpfileWhen mysqlbinlog is invoked with the −−start−position option, it displays only those events with an offset in the binary log greater than or equal to a given position (the given position must match the start of one event)​. It also has options to stop and start when it sees an event with a given date and time​. This enables you to perform point−in−time recovery using the −−stop−datetime option (to be able to say, for example, ‟roll forward my databases to how they were today at 10:30 a​.m​.”)​. If you have more than one binary log to execute on the MariaDB server, the safe method is to process them all using a single connection to the server​. Here is an example that demonstrates what may be unsafe: shell> mysqlbinlog binlog​.000001 | mysql −u root −p # DANGER!! shell> mysqlbinlog binlog​.000002 | mysql −u root −p # DANGER!!Processing binary logs this way using different connections to the server causes problems if the first log file contains a CREATE TEMPORARY TABLE statement and the second log contains a statement that uses the temporary table​. When the first mysql process terminates, the server drops the temporary table​. When the second mysql process attempts to use the table, the server reports ‟unknown table​.” To avoid problems like this, use a single mysql process to execute the contents of all binary logs that you want to process​. Here is one way to do so: shell> mysqlbinlog binlog​.000001 binlog​.000002 | mysql −u root −pAnother approach is to write all the logs to a single file and then process the file: shell> mysqlbinlog binlog​.000001 > /tmp/statements​.sql shell> mysqlbinlog binlog​.000002 >> /tmp/statements​.sql shell> mysql −u root −p −e "source /tmp/statements​.sql"mysqlbinlog can produce output that reproduces a LOAD DATA INFILE operation without the original data file​. mysqlbinlog copies the data to a temporary file and writes a LOAD DATA LOCAL INFILE statement that refers to the file​. The default location of the directory where these files are written is system−specific​. To specify a directory explicitly, use the −−local−load option​. Because mysqlbinlog converts LOAD DATA INFILE statements to LOAD DATA LOCAL INFILE statements (that is, it adds LOCAL), both the client and the server that you use to process the statements must be configured with the LOCAL capability enabled​. .it 1 an-trap
Warning ¶.br The temporary files created for LOAD DATA LOCAL statements are not automatically deleted because they are needed until you actually execute those statements​. You should delete the temporary files yourself after you no longer need the statement log​. The files can be found in the temporary file directory and have names like original_file_name−#−#​.
MYSQLBINLOG HEX DUMP FORMATThe −−hexdump option causes mysqlbinlog to produce a hex dump of the binary log contents: shell> mysqlbinlog −−hexdump master−bin​.000001The hex output consists of comment lines beginning with #, so the output might look like this for the preceding command: /*!40019 SET @@session​.max_insert_delayed_threads=0*/; /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/; # at 4 #051024 17:24:13 server id 1 end_log_pos 98 # Position Timestamp Type Master ID Size Master Pos Flags # 00000004 9d fc 5c 43 0f 01 00 00 00 5e 00 00 00 62 00 00 00 00 00 # 00000017 04 00 35 2e 30 2e 31 35 2d 64 65 62 75 67 2d 6c |​.​.5​.0​.15​.debug​.l| # 00000027 6f 67 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |og​.​.​.​.​.​.​.​.​.​.​.​.​.​.| # 00000037 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |​.​.​.​.​.​.​.​.​.​.​.​.​.​.​.​.| # 00000047 00 00 00 00 9d fc 5c 43 13 38 0d 00 08 00 12 00 |​.​.​.​.​.​.​.C​.8​.​.​.​.​.​.| # 00000057 04 04 04 04 12 00 00 4b 00 04 1a |​.​.​.​.​.​.​.K​.​.​.| # Start: binlog v 4, server v 5​.0​.15−debug−log created 051024 17:24:13 # at startup ROLLBACK;Hex dump output currently contains the elements in the following list​. This format is subject to change​. (For more information about binary log format, see ­http://forge.mysql.com/wiki/MySQL_Internals_Binary_Log​.) •  Position: The byte position within the log file​. •  Timestamp: The event timestamp​. In the example shown, ´9d fc 5c 43´ is the representation of ´051024 17:24:13´ in hexadecimal​. •  Type: The event type code​. In the example shown, ´0f´ indicates a FORMAT_DESCRIPTION_EVENT​. The following table lists the possible type codes​. Type Name Meaning 00 UNKNOWN_EVENT This event should never be present in the log​. 01 START_EVENT_V3 This indicates the start of a log file written by MySQL 4 or earlier​. 02 QUERY_EVENT The most common type of events​. These contain statements executed on the master​. 03 STOP_EVENT Indicates that master has stopped​. 04 ROTATE_EVENT Written when the master switches to a new log file​. 05 INTVAR_EVENT Used for AUTO_INCREMENT values or when the LAST_INSERT_ID() function is used in the statement​. 06 LOAD_EVENT Used for LOAD DATA INFILE in MySQL 3​.23​. 07 SLAVE_EVENT Reserved for future use​. 08 CREATE_FILE_EVENT Used for LOAD DATA INFILE statements​. This indicates the start of execution of such a statement​. A temporary file is created on the slave​. Used in MySQL 4 only​. 09 APPEND_BLOCK_EVENT Contains data for use in a LOAD DATA INFILE statement​. The data is stored in the temporary file on the slave​. 0a EXEC_LOAD_EVENT Used for LOAD DATA INFILE statements​. The contents of the temporary file is stored in the table on the slave​. Used in MySQL 4 only​. 0b DELETE_FILE_EVENT Rollback of a LOAD DATA INFILE statement​. The temporary file should be deleted on the slave​. 0c NEW_LOAD_EVENT Used for LOAD DATA INFILE in MySQL 4 and earlier​. 0d RAND_EVENT Used to send information about random values if the RAND() function is used in the statement​. 0e USER_VAR_EVENT Used to replicate user variables​. 0f FORMAT_DESCRIPTION_EVENT This indicates the start of a log file written by MySQL 5 or later​. 10 XID_EVENT Event indicating commit of an XA transaction​. 11 BEGIN_LOAD_QUERY_EVENT Used for LOAD DATA INFILE statements in MySQL 5 and later​. 12 EXECUTE_LOAD_QUERY_EVENT Used for LOAD DATA INFILE statements in MySQL 5 and later​. 13 TABLE_MAP_EVENT Information about a table definition​. Used in MySQL 5​.1​.5 and later​. 14 PRE_GA_WRITE_ROWS_EVENT Row data for a single table that should be created​. Used in MySQL 5​.1​.5 to 5​.1​.17​. 15 PRE_GA_UPDATE_ROWS_EVENT Row data for a single table that needs to be updated​. Used in MySQL 5​.1​.5 to 5​.1​.17​. 16 PRE_GA_DELETE_ROWS_EVENT Row data for a single table that should be deleted​. Used in MySQL 5​.1​.5 to 5​.1​.17​. 17 WRITE_ROWS_EVENT Row data for a single table that should be created​. Used in MySQL 5​.1​.18 and later​. 18 UPDATE_ROWS_EVENT Row data for a single table that needs to be updated​. Used in MySQL 5​.1​.18 and later​. 19 DELETE_ROWS_EVENT Row data for a single table that should be deleted​. Used in MySQL 5​.1​.18 and later​. 1a INCIDENT_EVENT Something out of the ordinary happened​. Added in MySQL 5​.1​.18​. •  Master ID: The server ID of the master that created the event​. •  Size: The size in bytes of the event​. •  Master Pos: The position of the next event in the original master log file​. •  Flags: 16 flags​. Currently, the following flags are used​. The others are reserved for future use​. T{ 01 T}:T{ LOG_EVENT_BINLOG_IN_USE_F T}:T{ Log file correctly closed​. (Used only in FORMAT_DESCRIPTION_EVENT​.) If this flag is set (if the flags are, for example, ´01 00´) in a FORMAT_DESCRIPTION_EVENT, the log file has not been properly closed​. Most probably this is because of a master crash (for example, due to power failure)​. T} T{ 02 T}:T{  ​ T}:T{ Reserved for future use​. T} T{ 04 T}:T{ LOG_EVENT_THREAD_SPECIFIC_F T}:T{ Set if the event is dependent on the connection it was executed in (for example, ´04 00´), for example, if the event uses temporary tables​. T} T{ 08 T}:T{ LOG_EVENT_SUPPRESS_USE_F T}:T{ Set in some circumstances when the event is not dependent on the default database​. T}
MYSQLBINLOG ROW EVENT DISPLAY The following examples illustrate how mysqlbinlog displays row events that specify data modifications​. These correspond to events with the WRITE_ROWS_EVENT, UPDATE_ROWS_EVENT, and DELETE_ROWS_EVENT type codes​. The −−base64−output=DECODE−ROWS and −−verbose options may be used to affect row event output​. Suppose that the server is using row−based binary logging and that you execute the following sequence of statements: CREATE TABLE t ( id INT NOT NULL, name VARCHAR(20) NOT NULL, date DATE NULL ) ENGINE = InnoDB; START TRANSACTION; INSERT INTO t VALUES(1, ´apple´, NULL); UPDATE t SET name = ´pear´, date = ´2009−01−01´ WHERE id = 1; DELETE FROM t WHERE id = 1; COMMIT;By default, mysqlbinlog displays row events encoded as base−64 strings using BINLOG statements​. Omitting extraneous lines, the output for the row events produced by the preceding statement sequence looks like this: shell> mysqlbinlog log_file ​.​.​. # at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAANoAAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBcBAAAAKAAAAAIBAAAQABEAAAAAAAEAA//8AQAAAAVhcHBsZQ== ´/*!*/; ​.​.​. # at 302 #080828 15:03:08 server id 1 end_log_pos 356 Update_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAC4BAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBgBAAAANgAAAGQBAAAQABEAAAAAAAEAA////AEAAAAFYXBwbGX4AQAAAARwZWFyIbIP ´/*!*/; ​.​.​. # at 400 #080828 15:03:08 server id 1 end_log_pos 442 Delete_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAJABAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBkBAAAAKgAAALoBAAAQABEAAAAAAAEAA//4AQAAAARwZWFyIbIP ´/*!*/;To see the row events as comments in the form of ‟pseudo−SQL” statements, run mysqlbinlog with the −−verbose or −v option​. The output will contain lines beginning with ###: shell> mysqlbinlog −v log_file ​.​.​. # at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAANoAAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBcBAAAAKAAAAAIBAAAQABEAAAAAAAEAA//8AQAAAAVhcHBsZQ== ´/*!*/; ### INSERT INTO test​.t ### SET ### @1=1 ### @2=´apple´ ### @3=NULL ​.​.​. # at 302 #080828 15:03:08 server id 1 end_log_pos 356 Update_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAC4BAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBgBAAAANgAAAGQBAAAQABEAAAAAAAEAA////AEAAAAFYXBwbGX4AQAAAARwZWFyIbIP ´/*!*/; ### UPDATE test​.t ### WHERE ### @1=1 ### @2=´apple´ ### @3=NULL ### SET ### @1=1 ### @2=´pear´ ### @3=´2009:01:01´ ​.​.​. # at 400 #080828 15:03:08 server id 1 end_log_pos 442 Delete_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAJABAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBkBAAAAKgAAALoBAAAQABEAAAAAAAEAA//4AQAAAARwZWFyIbIP ´/*!*/; ### DELETE FROM test​.t ### WHERE ### @1=1 ### @2=´pear´ ### @3=´2009:01:01´Specify −−verbose or −v twice to also display data types and some metadata for each column​. The output will contain an additional comment following each column change: shell> mysqlbinlog −vv log_file ​.​.​. # at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAANoAAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBcBAAAAKAAAAAIBAAAQABEAAAAAAAEAA//8AQAAAAVhcHBsZQ== ´/*!*/; ### INSERT INTO test​.t ### SET ### @1=1 /* INT meta=0 nullable=0 is_null=0 */ ### @2=´apple´ /* VARSTRING(20) meta=20 nullable=0 is_null=0 */ ### @3=NULL /* VARSTRING(20) meta=0 nullable=1 is_null=1 */ ​.​.​. # at 302 #080828 15:03:08 server id 1 end_log_pos 356 Update_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAC4BAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBgBAAAANgAAAGQBAAAQABEAAAAAAAEAA////AEAAAAFYXBwbGX4AQAAAARwZWFyIbIP ´/*!*/; ### UPDATE test​.t ### WHERE ### @1=1 /* INT meta=0 nullable=0 is_null=0 */ ### @2=´apple´ /* VARSTRING(20) meta=20 nullable=0 is_null=0 */ ### @3=NULL /* VARSTRING(20) meta=0 nullable=1 is_null=1 */ ### SET ### @1=1 /* INT meta=0 nullable=0 is_null=0 */ ### @2=´pear´ /* VARSTRING(20) meta=20 nullable=0 is_null=0 */ ### @3=´2009:01:01´ /* DATE meta=0 nullable=1 is_null=0 */ ​.​.​. # at 400 #080828 15:03:08 server id 1 end_log_pos 442 Delete_rows: table id 17 flags: STMT_END_F BINLOG ´ fAS3SBMBAAAALAAAAJABAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBkBAAAAKgAAALoBAAAQABEAAAAAAAEAA//4AQAAAARwZWFyIbIP ´/*!*/; ### DELETE FROM test​.t ### WHERE ### @1=1 /* INT meta=0 nullable=0 is_null=0 */ ### @2=´pear´ /* VARSTRING(20) meta=20 nullable=0 is_null=0 */ ### @3=´2009:01:01´ /* DATE meta=0 nullable=1 is_null=0 */You can tell mysqlbinlog to suppress the BINLOG statements for row events by using the −−base64−output=DECODE−ROWS option​. This is similar to −−base64−output=NEVER but does not exit with an error if a row event is found​. The combination of −−base64−output=DECODE−ROWS and −−verbose provides a convenient way to see row events only as SQL statements: shell> mysqlbinlog −v −−base64−output=DECODE−ROWS log_file ​.​.​. # at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F ### INSERT INTO test​.t ### SET ### @1=1 ### @2=´apple´ ### @3=NULL ​.​.​. # at 302 #080828 15:03:08 server id 1 end_log_pos 356 Update_rows: table id 17 flags: STMT_END_F ### UPDATE test​.t ### WHERE ### @1=1 ### @2=´apple´ ### @3=NULL ### SET ### @1=1 ### @2=´pear´ ### @3=´2009:01:01´ ​.​.​. # at 400 #080828 15:03:08 server id 1 end_log_pos 442 Delete_rows: table id 17 flags: STMT_END_F ### DELETE FROM test​.t ### WHERE ### @1=1 ### @2=´pear´ ### @3=´2009:01:01´.it 1 an-trap
Note ¶.br You should not suppress BINLOG statements if you intend to re−execute mysqlbinlog output​. The SQL statements produced by −−verbose for row events are much more readable than the corresponding BINLOG statements​. However, they do not correspond exactly to the original SQL statements that generated the events​. The following limitations apply: •  The original column names are lost and replaced by @N, where N is a column number​. •  Character set information is not available in the binary log, which affects string column display: •  There is no distinction made between corresponding binary and nonbinary string types (BINARY and CHAR, VARBINARY and VARCHAR, BLOB and TEXT)​. The output uses a data type of STRING for fixed−length strings and VARSTRING for variable−length strings​. •  For multi−byte character sets, the maximum number of bytes per character is not present in the binary log, so the length for string types is displayed in bytes rather than in characters​. For example, STRING(4) will be used as the data type for values from either of these column types: CHAR(4) CHARACTER SET latin1 CHAR(2) CHARACTER SET ucs2•  Due to the storage format for events of type UPDATE_ROWS_EVENT, UPDATE statements are displayed with the WHERE clause preceding the SET clause​. Proper interpretation of row events requires the information from the format description event at the beginning of the binary log​. Because mysqlbinlog does not know in advance whether the rest of the log contains row events, by default it displays the format description event using a BINLOG statement in the initial part of the output​. If the binary log is known not to contain any events requiring a BINLOG statement (that is, no row events), the −−base64−output=NEVER option can be used to prevent this header from being written​.
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Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2021 MariaDB Foundation This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA or see http://www.gnu.org/licenses/.
NOTES 1. Bug#42941 ­http://bugs.mysql.com/bug.php?id=42941
SEE ALSOFor more information, please refer to the MariaDB Knowledge Base, available online at https://mariadb.com/kb/
AUTHORMariaDB Foundation (http://www.mariadb.org/). 0
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ERROR : Need New Coding :         (rof_escape_sequence|91|mysqlbinlog.1|3|\FBMYSQLBINLOG\FR" "1" "14 April 2021" "MariaDB 10\&.5" "MariaDB Database System" |.TH "\FBMYSQLBINLOG\FR" "1" "14 April 2021" "MariaDB 10\&.5" "MariaDB Database System" )         (parse_manual_page_|249|mysqlbinlog.1|170|it|.it 1 an-trap )         (rof_escape_sequence|91|mysqlbinlog.1|256|\=\fR\fB\fIpath\fR\fR |\fB\-\-binlog\-row\-event\-max\-size\=\fR\fB\fIpath\fR\fR )         (parse_manual_page_|249|mysqlbinlog.1|427|it|.it 1 an-trap )         (parse_manual_page_|249|mysqlbinlog.1|1310|it|.it 1 an-trap )         (rof_TS|42|mysqlbinlog.1|1694|10|T{ )         (parse_manual_page_|249|mysqlbinlog.1|1984|it|.it 1 an-trap )