fetch-methods

fetch,PostgreSQLResult,numeric-method

fetch,PostgreSQLResult,missing-method

This method is a straight-forward implementation of the corresponding
 generic function.

methods

interface

database

Database interface and PostgreSQL driver for R This
package provides a Database Interface (DBI) compliant driver
for R to access PostgreSQL database systems.

In order to build and install this package from source, PostgreSQL
itself must be present your system to provide PostgreSQL
functionality via its libraries and header files. These files
are provided as postgresql-devel package under some Linux
distributions.

On Microsoft Windows system the attached libpq library source will be
used.

A wiki and issue tracking system for the package are available at
Google Code at https://code.google.com/p/rpostgresql/ .

Tomoaki Nishiyama

RPostgreSQL

R interface to the PostgreSQL database system

fetch-methods function

<dl class="dl-horizontal"><dt>res</dt><dd>an <code>PostgreSQLResult</code> object.</dd>
<dt>n</dt><dd>maximum number of records to retrieve per fetch.
 Use <code>n = -1</code> to retrieve all pending records;
 use a value of <code>n = 0</code> for fetching the default number 
 of rows <code>fetch.default.rec</code> defined in the 
 <code><a rd-options="" href="/link/PostgreSQL?package=RPostgreSQL&version=0.4-1" data-mini-rdoc="RPostgreSQL::PostgreSQL">PostgreSQL</a></code> initialization invocation.</dd>
<dt>&#8230; </dt><dd>currently not used.</dd>
</dl>

Methods

Fetch records from a previously executed query — fetch-methods

Fetch records from a previously executed query

fetch-methods: Fetch records from a previously executed query

Description

Arguments

Methods

Details

References

See Also

Examples