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Top Forums Shell Programming and Scripting return number of rows selected Post 302102073 by cbkihong on Monday 8th of January 2007 08:12:13 AM
Old 01-08-2007
Quote:
Originally Posted by apoorvasharma80
Dear Anbu!
Thanks for the quick reply. The statment I am using is a Select one. can I use the do method on select statement also?
No. This is because no resultset is prepared with the do() method. Please refer to the manual page for DBI (http://search.cpan.org/~timb/DBI-1.53/DBI.pm#do)

Quote:
Prepare and execute a single statement. Returns the number of rows affected or undef on error. A return value of -1 means the number of rows is not known, not applicable, or not available.

This method is typically most useful for non-SELECT statements that either cannot be prepared in advance (due to a limitation of the driver) or do not need to be executed repeatedly. It should not be used for SELECT statements because it does not return a statement handle (so you can't fetch any data).
 

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DBD::Sponge(3)						User Contributed Perl Documentation					    DBD::Sponge(3)

NAME
DBD::Sponge - Create a DBI statement handle from Perl data SYNOPSIS
my $sponge = DBI->connect("dbi:Sponge:","","",{ RaiseError => 1 }); my $sth = $sponge->prepare($statement, { rows => $data, NAME => $names, %attr } ); DESCRIPTION
DBD::Sponge is useful for making a Perl data structure accessible through a standard DBI statement handle. This may be useful to DBD module authors who need to transform data in this way. METHODS
connect() my $sponge = DBI->connect("dbi:Sponge:","","",{ RaiseError => 1 }); Here's a sample syntax for creating a database handle for the Sponge driver. No username and password are needed. prepare() my $sth = $sponge->prepare($statement, { rows => $data, NAME => $names, %attr } ); o The $statement here is an arbitrary statement or name you want to provide as identity of your data. If you're using DBI::Profile it will appear in the profile data. Generally it's expected that you are preparing a statement handle as if a "select" statement happened. o $data is a reference to the data you are providing, given as an array of arrays. o $names is a reference an array of column names for the $data you are providing. The number and order should match the number and ordering of the $data columns. o %attr is a hash of other standard DBI attributes that you might pass to a prepare statement. Currently only NAME, TYPE, and PRECISION are supported. BUGS
Using this module to prepare INSERT-like statements is not currently documented. AUTHOR AND COPYRIGHT
This module is Copyright (c) 2003 Tim Bunce Documentation initially written by Mark Stosberg The DBD::Sponge module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. In particular permission is granted to Tim Bunce for distributing this as a part of the DBI. SEE ALSO
DBI perl v5.16.2 2011-09-14 DBD::Sponge(3)
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