GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages


Manual Reference Pages  -  GENEZZO::ROW::RSEXPR (3)

.ds Aq ’

NAME

Genezzo::Row::RSExpr - Row Source Expression Evaluation

CONTENTS

SYNOPSIS

use Genezzo::Row::RSExpr;

# see Genezzo::GenDBI usage

DESCRIPTION

RSExpr is a hierarchical pushhash (see Genezzo::PushHash::hph) class which evaluates and <B>projectsB> a set of expressions for each input row. The input rows are produced by RSTab (see Genezzo::Row::RSTab).

ARGUMENTS

row source (Required) - an input row source
dict (Required) - dictionary object from <B>Genezzo::DictB>
dbh (Required) - database handle object from <B>Genezzo::GenDBIB>
select list (Optional) - a list of output expressions that is applied as a transform on the input row

FUNCTIONS

RSExpr support all standard hph hierarchical pushhash operations.

    EXPORT

LIMITATIONS

various

TODO

SQLPrepare/SQLFetch: requires ALIAS argument, which doesn’t make sense for rowsources like RSDual (see XEval). ‘‘Alias’’ is only necessary to disambiguate named columns.

AUTHOR

Jeffrey I. Cohen, jcohen@genezzo.com

SEE ALSO

perl(1).

Copyright (c) 2005, 2006 Jeffrey I Cohen. All rights reserved.



    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; either version 2 of the License, or
    any later version.

    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.

    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



Address bug reports and comments to: jcohen@genezzo.com

For more information, please visit the Genezzo homepage at <http://www.genezzo.com>

Search for    or go to Top of page |  Section 3 |  Main Index


perl v5.20.3 GENEZZO::ROW::RSEXPR (3) 2006-10-26

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.