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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
commit06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /man/myisam_ftdump.1
parentInitial commit. (diff)
downloadmariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz
mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+'\" t
+.\"
+.TH "\fBMYISAM_FTDUMP\fR" "1" "15 May 2020" "MariaDB 10.11" "MariaDB Database System"
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.\" myisam_ftdump
+.SH "NAME"
+myisam_ftdump \- display full\-text index information
+.SH "SYNOPSIS"
+.HP \w'\fBmyisam_ftdump\ [\fR\fB\fIoptions\fR\fR\fB]\ \fR\fB\fItbl_name\fR\fR\fB\ \fR\fB\fIindex_num\fR\fR\ 'u
+\fBmyisam_ftdump [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fItbl_name\fR\fR\fB \fR\fB\fIindex_num\fR\fR
+.SH "DESCRIPTION"
+.PP
+\fBmyisam_ftdump\fR
+displays information about
+FULLTEXT
+indexes in
+MyISAM
+tables\&. It reads the
+MyISAM
+index file directly, so it must be run on the server host where the table is located\&. Before using
+\fBmyisam_ftdump\fR, be sure to issue a
+FLUSH TABLES
+statement first if the server is running\&.
+.PP
+\fBmyisam_ftdump\fR
+scans and dumps the entire index, which is not particularly fast\&. On the other hand, the distribution of words changes infrequently, so it need not be run often\&.
+.PP
+Invoke
+\fBmyisam_ftdump\fR
+like this:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+shell> \fBmyisam_ftdump [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fItbl_name\fR\fR\fB \fR\fB\fIindex_num\fR\fR
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+The
+\fItbl_name\fR
+argument should be the name of a
+MyISAM
+table\&. You can also specify a table by naming its index file (the file with the
+\&.MYI
+suffix)\&. If you do not invoke
+\fBmyisam_ftdump\fR
+in the directory where the table files are located, the table or index file name must be preceded by the path name to the table's database directory\&. Index numbers begin with 0\&.
+.PP
+Example: Suppose that the
+test
+database contains a table named
+mytexttablel
+that has the following definition:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+CREATE TABLE mytexttable
+(
+ id INT NOT NULL,
+ txt TEXT NOT NULL,
+ PRIMARY KEY (id),
+ FULLTEXT (txt)
+);
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+The index on
+id
+is index 0 and the
+FULLTEXT
+index on
+txt
+is index 1\&. If your working directory is the
+test
+database directory, invoke
+\fBmyisam_ftdump\fR
+as follows:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+shell> \fBmyisam_ftdump mytexttable 1\fR
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+If the path name to the
+test
+database directory is
+/usr/local/mysql/data/test, you can also specify the table name argument using that path name\&. This is useful if you do not invoke
+\fBmyisam_ftdump\fR
+in the database directory:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+shell> \fBmyisam_ftdump /usr/local/mysql/data/test/mytexttable 1\fR
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+You can use
+\fBmyisam_ftdump\fR
+to generate a list of index entries in order of frequency of occurrence like this:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+shell> \fBmyisam_ftdump \-c mytexttable 1 | sort \-r\fR
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+\fBmyisam_ftdump\fR
+supports the following options:
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+.\" myisam_ftdump: help option
+.\" help option: myisam_ftdump
+\fB\-\-help\fR,
+\fB\-h\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
+.\}
+.\" myisam_ftdump: count option
+.\" count option: myisam_ftdump
+\fB\-\-count\fR,
+\fB\-c\fR
+.sp
+Calculate per\-word statistics (counts and global weights)\&.
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+.\" myisam_ftdump: dump option
+.\" dump option: myisam_ftdump
+\fB\-\-dump\fR,
+\fB\-d\fR
+.sp
+Dump the index, including data offsets and word weights\&.
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+.\" myisam_ftdump: length option
+.\" length option: myisam_ftdump
+\fB\-\-length\fR,
+\fB\-l\fR
+.sp
+Report the length distribution\&.
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+.\" myisam_ftdump: stats option
+.\" stats option: myisam_ftdump
+\fB\-\-stats\fR,
+\fB\-s\fR
+.sp
+Report global index statistics\&. This is the default operation if no other operation is specified\&.
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+.\" myisam_ftdump: verbose option
+.\" verbose option: myisam_ftdump
+\fB\-\-verbose\fR,
+\fB\-v\fR
+.sp
+Verbose mode\&. Print more output about what the program does\&.
+.RE
+.SH "COPYRIGHT"
+.br
+.PP
+Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2020 MariaDB Foundation
+.PP
+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.
+.PP
+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.
+.PP
+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/.
+.sp
+.SH "SEE ALSO"
+For more information, please refer to the MariaDB Knowledge Base, available online at https://mariadb.com/kb/
+.SH AUTHOR
+MariaDB Foundation (http://www.mariadb.org/).