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Informations about the package plum-pdo
PlumPdo integrates PDO into Plum. Plum is a data processing pipeline for PHP.
PlumPdo integrates PDO into Plum. Plum is a data processing pipeline for PHP.
Developed by Florian Eckerstorfer in Vienna, Europe.
Installation
You can install Plum using Composer.
Usage
Please refer to the Plum documentation for more information.
Currently PlumPdo contains PdoStatementReader
to read data from a PDO-compatible database.
PdoStatementReader
Plum\PlumPdo\PdoStatementReader
returns an iterator for the result set of a PDOStatement
. The execute()
method
has to be called before.
The default behavior shown in the example above is that getIterator()
will call fetchAll()
on the PDOStatement
and returns the result in the form of an \ArrayIterator
. However, if the result set is very large and memory becomes
a concern it is possible to fetch the result set row by row and yield each row to the workflow. You can invoke the
behaviour by setting the option yield
to true
.
In the following example getIterator()
returns a \Generator
.
The downside of using yield
is that the reader is no longer countable and when invoking count()
on such a reader
a \RuntimeException
will be thrown.
Change Log
Version 0.1.1 (6 October 2015)
- Fix Plum version
Version 0.1 (22 April 2015)
- Initial release
License
The MIT license applies to plumphp/plum-pdo. For the full copyright and license information, please view the LICENSE file distributed with this source code.