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mysqlpump.1
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'\" t
.\" Title: \fBmysqlpump\fR
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\" Date: 10/03/2018
.\" Manual: MySQL Database System
.\" Source: MySQL 5.7
.\" Language: English
.\"
.TH "\FBMYSQLPUMP\FR" "1" "10/03/2018" "MySQL 5\&.7" "MySQL Database System"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
mysqlpump \- a database backup program
.SH "SYNOPSIS"
.HP \w'\fBmysqlpump\ [\fR\fB\fIoptions\fR\fR\fB]\ [\fR\fB\fIdb_name\fR\fR\fB\ [\fR\fB\fItbl_name\fR\fR\fB\ \&.\&.\&.]]\fR\ 'u
\fBmysqlpump [\fR\fB\fIoptions\fR\fR\fB] [\fR\fB\fIdb_name\fR\fR\fB [\fR\fB\fItbl_name\fR\fR\fB \&.\&.\&.]]\fR
.SH "DESCRIPTION"
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Invocation Syntax
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Option Summary
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Option Descriptions
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Object Selection
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Parallel Processing
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
mysqlpump Restrictions
.RE
.PP
The
\fBmysqlpump\fR
client utility performs
logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table data\&. It dumps one or more MySQL databases for backup or transfer to another SQL server\&.
.PP
\fBmysqlpump\fR
features include:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Parallel processing of databases, and of objects within databases, to speed up the dump process
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Better control over which databases and database objects (tables, stored programs, user accounts) to dump
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Dumping of user accounts as account\-management statements (CREATE USER,
GRANT) rather than as inserts into the
mysql
system database
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Capability of creating compressed output
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Progress indicator (the values are estimates)
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
For dump file reloading, faster secondary index creation for
InnoDB
tables by adding indexes after rows are inserted
.RE
.PP
\fBmysqlpump\fR
requires at least the
SELECT
privilege for dumped tables,
SHOW VIEW
for dumped views,
TRIGGER
for dumped triggers, and
LOCK TABLES
if the
\fB\-\-single\-transaction\fR
option is not used\&. The
SELECT
privilege on the
mysql
system database is required to dump user definitions\&. Certain options might require other privileges as noted in the option descriptions\&.
.PP
To reload a dump file, you must have the privileges required to execute the statements that it contains, such as the appropriate
CREATE
privileges for objects created by those statements\&.
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.PP
A dump made using PowerShell on Windows with output redirection creates a file that has UTF\-16 encoding:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump [options] > dump\&.sql\fR
.fi
.if n \{\
.RE
.\}
.PP
However, UTF\-16 is not permitted as a connection character set (see
Section\ \&10.4, \(lqConnection Character Sets and Collations\(rq), so the dump file will not load correctly\&. To work around this issue, use the
\fB\-\-result\-file\fR
option, which creates the output in ASCII format:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump [options] \-\-result\-file=dump\&.sql\fR
.fi
.if n \{\
.RE
.\}
.sp .5v
.RE
mysqlpump Invocation Syntax.PP
By default,
\fBmysqlpump\fR
dumps all databases (with certain exceptions noted in
mysqlpump Restrictions)\&. To specify this behavior explicitly, use the
\fB\-\-all\-databases\fR
option:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump \-\-all\-databases\fR
.fi
.if n \{\
.RE
.\}
.PP
To dump a single database, or certain tables within that database, name the database on the command line, optionally followed by table names:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump \fR\fB\fIdb_name\fR\fR
shell> \fBmysqlpump \fR\fB\fIdb_name tbl_name1 tbl_name2 \&.\&.\&.\fR\fR
.fi
.if n \{\
.RE
.\}
.PP
To treat all name arguments as database names, use the
\fB\-\-databases\fR
option:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump \-\-databases \fR\fB\fIdb_name1 db_name2\fR\fR\fB \&.\&.\&.\fR
.fi
.if n \{\
.RE
.\}
.PP
By default,
\fBmysqlpump\fR
does not dump user account definitions, even if you dump the
mysql
system database that contains the grant tables\&. To dump grant table contents as logical definitions in the form of
CREATE USER
and
GRANT
statements, use the
\fB\-\-users\fR
option and suppress all database dumping:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump \-\-exclude\-databases=% \-\-users\fR
.fi
.if n \{\
.RE
.\}
.PP
In the preceding command,
%
is a wildcard that matches all database names for the
\fB\-\-exclude\-databases\fR
option\&.
.PP
\fBmysqlpump\fR
supports several options for including or excluding databases, tables, stored programs, and user definitions\&. See
mysqlpump Object Selection\&.
.PP
To reload a dump file, execute the statements that it contains\&. For example, use the
\fBmysql\fR
client:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump [options] > dump\&.sql\fR
shell> \fBmysql < dump\&.sql\fR
.fi
.if n \{\
.RE
.\}
.PP
The following discussion provides additional
\fBmysqlpump\fR
usage examples\&.
.PP
To see a list of the options
\fBmysqlpump\fR
supports, issue the command
\fBmysqlpump \-\-help\fR\&.
mysqlpump Option Summary.PP
\fBmysqlpump\fR
supports the following options, which can be specified on the command line or in the
[mysqlpump]
and
[client]
groups of an option file\&. For information about option files used by MySQL programs, see
Section\ \&4.2.6, \(lqUsing Option Files\(rq\&.
mysqlpump Option Descriptions
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-help\fR,
\fB\-?\fR
.sp
Display a help message and exit\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-add\-drop\-database\fR
.sp
Write a
DROP DATABASE
statement before each
CREATE DATABASE
statement\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-add\-drop\-table\fR
.sp
Write a
DROP TABLE
statement before each
CREATE TABLE
statement\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-add\-drop\-user\fR
.sp
Write a
DROP USER
statement before each
CREATE USER
statement\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-add\-locks\fR
.sp
Surround each table dump with
LOCK TABLES
and
UNLOCK TABLES
statements\&. This results in faster inserts when the dump file is reloaded\&. See
Section\ \&8.2.4.1, \(lqOptimizing INSERT Statements\(rq\&.
.sp
This option does not work with parallelism because
INSERT
statements from different tables can be interleaved and
UNLOCK TABLES
following the end of the inserts for one table could release locks on tables for which inserts remain\&.
.sp
\fB\-\-add\-locks\fR
and
\fB\-\-single\-transaction\fR
are mutually exclusive\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-all\-databases\fR,
\fB\-A\fR
.sp
Dump all databases (with certain exceptions noted in
mysqlpump Restrictions)\&. This is the default behavior if no other is specified explicitly\&.
.sp
\fB\-\-all\-databases\fR
and
\fB\-\-databases\fR
are mutually exclusive\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-bind\-address=\fR\fB\fIip_address\fR\fR
.sp
On a computer having multiple network interfaces, use this option to select which interface to use for connecting to the MySQL server\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-character\-sets\-dir=\fR\fB\fIpath\fR\fR
.sp
The directory where character sets are installed\&. See
Section\ \&10.14, \(lqCharacter Set Configuration\(rq\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-complete\-insert\fR
.sp
Write complete
INSERT
statements that include column names\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-compress\fR,
\fB\-C\fR
.sp
Compress all information sent between the client and the server if both support compression\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-compress\-output=\fR\fB\fIalgorithm\fR\fR
.sp
By default,
\fBmysqlpump\fR
does not compress output\&. This option specifies output compression using the specified algorithm\&. Permitted algorithms are
LZ4
and
ZLIB\&.
.sp
To uncompress compressed output, you must have an appropriate utility\&. If the system commands
\fBlz4\fR
and
\fBopenssl zlib\fR
are not available, as of MySQL 5\&.7\&.10, MySQL distributions include
\fBlz4_decompress\fR
and
\fBzlib_decompress\fR
utilities that can be used to decompress
\fBmysqlpump\fR
output that was compressed using the
\fB\-\-compress\-output=LZ4\fR
and
\fB\-\-compress\-output=ZLIB\fR
options\&. For more information, see
\fBlz4_decompress\fR(1), and
\fBzlib_decompress\fR(1)\&.
.sp
Alternatives include the
\fBlz4\fR
and
\fBopenssl\fR
commands, if they are installed on your system\&. For example,
\fBlz4\fR
can uncompress
LZ4
output:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBlz4 \-d \fR\fB\fIinput_file output_file\fR\fR
.fi
.if n \{\
.RE
.\}
.sp
ZLIB
output can be uncompresed like this:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBopenssl zlib \-d < \fR\fB\fIinput_file\fR\fR\fB > \fR\fB\fIoutput_file\fR\fR
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-databases\fR,
\fB\-B\fR
.sp
Normally,
\fBmysqlpump\fR
treats the first name argument on the command line as a database name and any following names as table names\&. With this option, it treats all name arguments as database names\&.
CREATE DATABASE
statements are included in the output before each new database\&.
.sp
\fB\-\-all\-databases\fR
and
\fB\-\-databases\fR
are mutually exclusive\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-debug[=\fR\fB\fIdebug_options\fR\fR\fB]\fR,
\fB\-# [\fR\fB\fIdebug_options\fR\fR\fB]\fR
.sp
Write a debugging log\&. A typical
\fIdebug_options\fR
string is
d:t:o,\fIfile_name\fR\&. The default is
d:t:O,/tmp/mysqlpump\&.trace\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-debug\-check\fR
.sp
Print some debugging information when the program exits\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-debug\-info\fR,
\fB\-T\fR
.sp
Print debugging information and memory and CPU usage statistics when the program exits\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-default\-auth=\fR\fB\fIplugin\fR\fR
.sp
A hint about the client\-side authentication plugin to use\&. See
Section\ \&6.3.9, \(lqPluggable Authentication\(rq\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-default\-character\-set=\fR\fB\fIcharset_name\fR\fR
.sp
Use
\fIcharset_name\fR
as the default character set\&. See
Section\ \&10.14, \(lqCharacter Set Configuration\(rq\&. If no character set is specified,
\fBmysqlpump\fR
uses
utf8\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-default\-parallelism=\fR\fB\fIN\fR\fR
.sp
The default number of threads for each parallel processing queue\&. The default is 2\&.
.sp
The
\fB\-\-parallel\-schemas\fR
option also affects parallelism and can be used to override the default number of threads\&. For more information, see
mysqlpump Parallel Processing\&.
.sp
With
\fB\-\-default\-parallelism=0\fR
and no
\fB\-\-parallel\-schemas\fR
options,
\fBmysqlpump\fR
runs as a single\-threaded process and creates no queues\&.
.sp
With parallelism enabled, it is possible for output from different databases to be interleaved\&.
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
Before MySQL 5\&.7\&.11, use of the
\fB\-\-single\-transaction\fR
option is mutually exclusive with parallelism\&. To use
\fB\-\-single\-transaction\fR, disable parallelism by setting
\fB\-\-default\-parallelism\fR
to 0 and not using any instances of
\fB\-\-parallel\-schemas\fR:
.sp
.if n \{\
.RS 4
.\}
.nf
shell> \fBmysqlpump \-\-single\-transaction \-\-default\-parallelism=0\fR
.fi
.if n \{\
.RE
.\}
.sp .5v
.RE
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-defaults\-extra\-file=\fR\fB\fIfile_name\fR\fR
.sp
Read this option file after the global option file but (on Unix) before the user option file\&. If the file does not exist or is otherwise inaccessible, an error occurs\&.
\fIfile_name\fR
is interpreted relative to the current directory if given as a relative path name rather than a full path name\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-defaults\-file=\fR\fB\fIfile_name\fR\fR
.sp
Use only the given option file\&. If the file does not exist or is otherwise inaccessible, an error occurs\&.
\fIfile_name\fR
is interpreted relative to the current directory if given as a relative path name rather than a full path name\&.
.sp
Exception: Even with
\fB\-\-defaults\-file\fR, client programs read
\&.mylogin\&.cnf\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-defaults\-group\-suffix=\fR\fB\fIstr\fR\fR
.sp
Read not only the usual option groups, but also groups with the usual names and a suffix of
\fIstr\fR\&. For example,
\fBmysqlpump\fR
normally reads the
[client]
and
[mysqlpump]
groups\&. If the
\fB\-\-defaults\-group\-suffix=_other\fR
option is given,
\fBmysqlpump\fR
also reads the
[client_other]
and
[mysqlpump_other]
groups\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-defer\-table\-indexes\fR
.sp
In the dump output, defer index creation for each table until after its rows have been loaded\&. This works for all storage engines, but for
InnoDB
applies only for secondary indexes\&.
.sp
This option is enabled by default; use
\fB\-\-skip\-defer\-table\-indexes\fR
to disable it\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-events\fR
.sp
Include Event Scheduler events for the dumped databases in the output\&. Event dumping requires the
EVENT
privileges for those databases\&.
.sp
The output generated by using
\fB\-\-events\fR
contains
CREATE EVENT
statements to create the events\&. However, these statements do not include attributes such as the event creation and modification timestamps, so when the events are reloaded, they are created with timestamps equal to the reload time\&.
.sp
If you require events to be created with their original timestamp attributes, do not use
\fB\-\-events\fR\&. Instead, dump and reload the contents of the
mysql\&.event
table directly, using a MySQL account that has appropriate privileges for the
mysql
database\&.
.sp
This option is enabled by default; use
\fB\-\-skip\-events\fR
to disable it\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-databases=\fR\fB\fIdb_list\fR\fR
.sp
Do not dump the databases in
\fIdb_list\fR, which is a comma\-separated list of one or more database names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-events=\fR\fB\fIevent_list\fR\fR
.sp
Do not dump the databases in
\fIevent_list\fR, which is a comma\-separated list of one or more event names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-routines=\fR\fB\fIroutine_list\fR\fR
.sp
Do not dump the events in
\fIroutine_list\fR, which is a comma\-separated list of one or more routine (stored procedure or function) names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-tables=\fR\fB\fItable_list\fR\fR
.sp
Do not dump the tables in
\fItable_list\fR, which is a comma\-separated list of one or more table names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-triggers=\fR\fB\fItrigger_list\fR\fR
.sp
Do not dump the triggers in
\fItrigger_list\fR, which is a comma\-separated list of one or more trigger names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-exclude\-users=\fR\fB\fIuser_list\fR\fR
.sp
Do not dump the user accounts in
\fIuser_list\fR, which is a comma\-separated list of one or more account names\&. Multiple instances of this option are additive\&. For more information, see
mysqlpump Object Selection\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-extended\-insert=\fR\fB\fIN\fR\fR
.sp
Write
INSERT
statements using multiple\-row syntax that includes several
VALUES
lists\&. This results in a smaller dump file and speeds up inserts when the file is reloaded\&.
.sp
The option value indicates the number of rows to include in each
INSERT
statement\&. The default is 250\&. A value of 1 produces one
INSERT
statement per table row\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-get\-server\-public\-key\fR
.sp
Request from the server the public key required for RSA key pair\-based password exchange\&. This option applies to clients that that authenticate with the
caching_sha2_password
authentication plugin\&. For that plugin, the server does not send the public key unless requested\&. This option is ignored for accounts that do not authenticate with that plugin\&. It is also ignored if RSA\-based password exchange is not used, as is the case when the client connects to the server using a secure connection\&.
.sp
If
\fB\-\-server\-public\-key\-path=\fR\fB\fIfile_name\fR\fR
is given and specifies a valid public key file, it takes precedence over
\fB\-\-get\-server\-public\-key\fR\&.
.sp
For information about the
caching_sha2_password
plugin, see
Section\ \&6.5.1.5, \(lqCaching SHA-2 Pluggable Authentication\(rq\&.