.TH "MYSQLMETAGREP" "1" "May 09, 2012" "1.0.3" "MySQL Utilities"
.SH NAME
mysqlmetagrep \- Search MySQL servers for objects matching a pattern
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.SH SYNOPSIS
.sp
.nf
.ft C
mysqlmetagrep [options] [pattern | server] ...
.ft P
.fi
.SH DESCRIPTION
.sp
This utility searches for objects matching a given pattern on all the
servers specified using instances of the \fI\-\-server\fP option. It
produces output that displays the matching objects.  By default, the first
nonoption argument is taken to be the pattern unless the \fI\%--pattern\fP
option is given. If the \fI\%--pattern\fP option is given, all nonoption
arguments are treated as connection specifications.
.sp
Internally, the utility generates an SQL statement for searching the
necessary tables in the \fBINFORMATION_SCHEMA\fP database on the designated
servers and executes it in turn before collecting the result and printing it
as a table. Use the \fI\-\-sql\fP option to have the utility display the
statement rather than execute it.  This can be useful if you want to feed
the output of the statement to another application such as the
\fBmysql\fP monitor.
.sp
The MySQL server supports two forms of patterns when matching strings:
\fI\%SQL Simple Patterns\fP (used with the \fBLIKE\fP operator) and
\fI\%POSIX Regular Expressions\fP (used with the \fBREGEXP\fP operator).
.sp
By default, the utility uses the \fBLIKE\fP operator to match the name (and
optionally, the body) of objects. To use the \fBREGEXP\fP operator instead,
use the \fI\-\-regexp\fP option.
.sp
Note that since the \fBREGEXP\fP operator does substring searching, it
is necessary to anchor the expression to the beginning of the string
if you want to match the beginning of the string.
.sp
To specify how to display output, use one of the following values
with the \fI\-\-format\fP option:
.INDENT 0.0
.TP
.B \fBgrid\fP (default)
Display output in grid or table format like that of the
\fBmysql\fP monitor.
.TP
.B \fBcsv\fP
Display output in comma\-separated values format.
.TP
.B \fBtab\fP
Display output in tab\-separated format.
.TP
.B \fBvertical\fP
Display output in single\-column format like that of the \fB\eG\fP command
for the \fBmysql\fP monitor.
.UNINDENT
.SS SQL Simple Patterns
.sp
The simple patterns defined by the SQL standard consist of a string of
characters with two characters that have special meaning: \fB%\fP
(percent) matches zero or more characters and \fB_\fP (underscore)
matches exactly one character.
.sp
For example:
.INDENT 0.0
.TP
.B \fB\(aqmats%\(aq\fP
Match any string that starts with \(aqmats\(aq.
.TP
.B \fB\(aq%kindahl%\(aq\fP
Match any string containing the word \(aqkindahl\(aq.
.TP
.B \fB\(aq%_\(aq\fP
Match any string consisting of one or more characters.
.UNINDENT
.SS POSIX Regular Expressions
.sp
POSIX regular expressions are more powerful than the simple patterns
defined in the SQL standard. A regular expression is a string of
characters, optionally containing characters with special meaning:
.INDENT 0.0
.TP
.B \fB.\fP
Match any character.
.TP
.B \fB^\fP
Match the beginning of a string.
.TP
.B \fB$\fP
Match the end of a string.
.TP
.B \fB[axy]\fP
Match \fBa\fP, \fBx\fP, or \fBy\fP.
.TP
.B \fB[a\-f]\fP
Match any character in the range \fBa\fP to
\fBf\fP (that is, \fBa\fP, \fBb\fP, \fBc\fP, \fBd\fP,
\fBe\fP, or \fBf\fP).
.TP
.B \fB[^axy]\fP
Match any character \fIexcept\fP \fBa\fP, \fBx\fP,
or \fBy\fP.
.TP
.B \fBa*\fP
Match a sequence of zero or more \fBa\fP.
.TP
.B \fBa+\fP
Match a sequence of one or more \fBa\fP.
.TP
.B \fBa?\fP
Match zero or one \fBa\fP.
.TP
.B \fBab|cd\fP
Match \fBab\fP or \fBcd\fP.
.TP
.B \fBa{5}\fP
Match five instances of \fBa\fP.
.TP
.B \fBa{2,5}\fP
Match from two to five instances of \fBa\fP.
.TP
.B \fB(abc)+\fP
Match one or more repetitions of \fBabc\fP.
.UNINDENT
.sp
This is but a brief set of examples of regular expressions. The full
syntax is described in the \fI\%MySQL manual\fP, but can often be found in
\fIregex(7)\fP.
.SH OPTIONS
.sp
\fBmysqlmetagrep\fP accepts the following command\-line options:
.INDENT 0.0
.TP
.B \-\-help
Display a help message and exit.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-body, \-b
Search the body of stored programs (procedures, functions, triggers, and
events). The default is to match only the name.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-database=<pattern>
Look only in databases matching this pattern.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-format=<format>, \-f<format>
Specify the output display format. Permitted format values are \fBgrid\fP,
\fBcsv\fP, \fBtab\fP, and \fBvertical\fP. The default is \fBgrid\fP.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-object\-types=<types>, \-\-search\-objects=<types>
Search only the object types named in \fItypes\fP, which is a comma\-separated
list of one or more of the values \fBprocedure\fP, \fBfunction\fP, \fBevent\fP,
\fBtrigger\fP, \fBtable\fP, and \fBdatabase\fP.
.sp
The default is to search in objects of all types.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-pattern=<pattern>, \-e=<pattern>
The pattern to use when matching. This is required when the first nonoption
argument looks like a connection specification rather than a pattern.
.sp
If the \fI\%--pattern\fP option is given, the first nonoption argument
is treated as a connection specifier, not as a pattern.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-regexp, \-\-basic\-regexp, \-G
Perform pattern matches using the \fBREGEXP\fP operator. The default is
to use \fBLIKE\fP for matching. This affects the \fI\%--database\fP
and \fI\%--pattern\fP options.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-server=<source>
Connection information for a server to search in
<\fIuser\fP>[:<\fIpasswd\fP>]@<\fIhost\fP>[:<\fIport\fP>][:<\fIsocket\fP>] format.
Use this option multiple times to search multiple servers.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-sql, \-\-print\-sql, \-p
Print rather than executing the SQL code that would be executed to find
all matching objects. This can be useful to save the statement
for later execution or to use it as input for other programs.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-version
Display version information and exit.
.UNINDENT
.SH NOTES
.sp
For the \fI\-\-format\fP option, the permitted values are not case
sensitive. In addition, values may be specified as any unambiguous prefix of
a valid value.  For example, \fI\-\-format=g\fP specifies the grid format.
An error occurs if a prefix matches more than one valid value.
.SH EXAMPLES
.sp
Find all objects with a name that matches the pattern \fB\(aqt_\(aq\fP (the letter t
followed by any single character):
.sp
.nf
.ft C
$ mysqlmetagrep \-\-pattern="t_" \-\-server=mats@localhost
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| Connection             | Object Type  | Object Name  | Database  |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| mats:*@localhost:3306  | TABLE        | t1           | test      |
| mats:*@localhost:3306  | TABLE        | t2           | test      |
| mats:*@localhost:3306  | TABLE        | t3           | test      |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
.ft P
.fi
.sp
To find all object that contain \fB\(aqt2\(aq\fP in the name or the body (for
routines, triggers, and events):
.sp
.nf
.ft C
$ mysqlmetagrep \-b \-\-pattern="%t2%" \-\-server=mats@localhost:3306
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| Connection             | Object Type  | Object Name  | Database  |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| root:*@localhost:3306  | TRIGGER      | tr_foo       | test      |
| root:*@localhost:3306  | TABLE        | t2           | test      |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
.ft P
.fi
.sp
In the preceding output, the trigger name does not match the pattern,
but is displayed because its body does.
.sp
This is the same as the previous example, but using the \fBREGEXP\fP operator.
Note that in the pattern it is not necessary to add wildcards before or
after t2:
.sp
.nf
.ft C
$ mysqlmetagrep \-Gb \-\-pattern="t2" \-\-server=mats@localhost
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| Connection             | Object Type  | Object Name  | Database  |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
| root:*@localhost:3306  | TRIGGER      | tr_foo       | test      |
| root:*@localhost:3306  | TABLE        | t2           | test      |
+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+
.ft P
.fi
.SH COPYRIGHT
.sp
Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
.sp
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
.sp
This program 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.
.sp
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110\-1301 USA
.SH AUTHOR
MySQL Utilities Team
.SH COPYRIGHT
2010, Oracle and/or its affiliates. All rights reserved.
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