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147 lines
4.3 KiB
147 lines
4.3 KiB
5 months ago
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'\" t
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.\" Title: \fBndb_select_count\fR
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
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.\" Date: 09/06/2019
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.\" Manual: MySQL Database System
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.\" Source: MySQL 8.0
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.\" Language: English
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.\"
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.TH "\FBNDB_SELECT_COUNT\FR" "1" "09/06/2019" "MySQL 8\&.0" "MySQL Database System"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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ndb_select_count \- print row counts for NDB tables
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.SH "SYNOPSIS"
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.HP \w'\fBndb_select_count\ [\-c\ \fR\fB\fIconnection_string\fR\fR\fB]\ \-d\ \fR\fB\fIdb_name\fR\fR\fB\ \fR\fB\fItbl_name\fR\fR\fB[\ \fR\fB\fItbl_name2\fR\fR\fB[\ \&.\&.\&.]]\fR\ 'u
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\fBndb_select_count [\-c \fR\fB\fIconnection_string\fR\fR\fB] \-d \fR\fB\fIdb_name\fR\fR\fB \fR\fB\fItbl_name\fR\fR\fB[ \fR\fB\fItbl_name2\fR\fR\fB[ \&.\&.\&.]]\fR
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.SH "DESCRIPTION"
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.PP
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\fBndb_select_count\fR
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prints the number of rows in one or more
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NDB
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tables\&. With a single table, the result is equivalent to that obtained by using the MySQL statement
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SELECT COUNT(*) FROM \fItbl_name\fR\&.
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Usage
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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ndb_select_count [\-c \fIconnection_string\fR] \-d\fIdb_name\fR \fItbl_name\fR[, \fItbl_name2\fR[, \&.\&.\&.]]
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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The following table includes options that are specific to the NDB Cluster native backup restoration program
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\fBndb_select_count\fR\&. Additional descriptions follow the table\&. For options common to most NDB Cluster programs (including
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\fBndb_select_count\fR), see
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Options Common to NDB Cluster Programs(1)\&.
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.sp
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.B Table\ \&22.345.\ \&Command\-line options for the ndb_select_count program
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.TS
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allbox tab(:);
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lB lB lB.
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T{
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Format
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T}:T{
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Description
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T}:T{
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Added, Deprecated, or Removed
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T}
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.T&
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l l l
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l l l
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l l l.
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T{
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.PP
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--database=dbname,
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.PP
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-d
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T}:T{
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Name of the database in which the table is found
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T}:T{
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.PP
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All NDB 8.0 releases
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T}
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T{
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.PP
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--parallelism=#,
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.PP
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-p
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T}:T{
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Degree of parallelism
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T}:T{
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.PP
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All NDB 8.0 releases
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T}
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T{
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.PP
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--lock=#,
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.PP
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-l
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T}:T{
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Lock type
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T}:T{
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.PP
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All NDB 8.0 releases
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T}
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.TE
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.sp 1
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.PP
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You can obtain row counts from multiple tables in the same database by listing the table names separated by spaces when invoking this command, as shown under
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\fBSample Output\fR\&.
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Sample Output
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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shell> \fB\&./ndb_select_count \-c localhost \-d ctest1 fish dogs\fR
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6 records in table fish
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4 records in table dogs
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NDBT_ProgramExit: 0 \- OK
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.fi
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.if n \{\
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.RE
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.\}
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.SH "COPYRIGHT"
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.br
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.PP
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Copyright \(co 1997, 2019, Oracle and/or its affiliates. All rights reserved.
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.PP
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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.
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.PP
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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.
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.PP
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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 02110-1301 USA or see http://www.gnu.org/licenses/.
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.sp
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.SH "SEE ALSO"
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For more information, please refer to the MySQL Reference Manual,
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which may already be installed locally and which is also available
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online at http://dev.mysql.com/doc/.
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.SH AUTHOR
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Oracle Corporation (http://dev.mysql.com/).
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