jonasbn > Workflow-1.40 > Workflow::Persister::DBI::AutoGeneratedId

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Module Version: 1.07   Source   Latest Release: Workflow-1.41

NAME ^

Workflow::Persister::DBI::AutoGeneratedId - Pull IDs from databases that autogenerate them

VERSION ^

This documentation describes version 1.06 of this package

SYNOPSIS ^

 <persister name="MyPersister"
            dsn="DBI:mysql:database=foo"
            ...

DESCRIPTION ^

Be able to pull an ID from a database or statement handle, or call a DBI function to get the value.

Properties

from_handle

If you want to pull the value from a handle specify either 'database' or 'statement' to specify what handle to pull it from. You must also specify a value for 'handle_property'. For example, if you are using MySQL this would be 'database'.

handle_property

Property to pull from handle specified in 'from_handle'. For example, if you are using MySQL this would be 'mysql_insertid'.

func_property

Property to pass to the DBI 'func()' call to return the ID value. For example, if you are using SQLite this would be 'last_insert_rowid'.

METHODS

new ( \%params )

This method instantiates a class for retrieval of auto-generated ids from a DBI based persistance entity.

It takes a hashref containing keys matching the properties outlines in the section above or throws Workflow::Exceptions if these are not defined.

Returns instantiated object upon success.

pre_fetch_id

This is a dummy method, use "post_fetch_id"

post_fetch_id

Returns a unique sequence id from a database.

Takes a two parameters, a DBI database handle and a statement handle

Returns a single value, a integer representing a sequence id from the provided database handle, based on the statement handle.

COPYRIGHT ^

Copyright (c) 2003-2007 Chris Winters. All rights reserved.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHORS ^

Jonas B. Nielsen (jonasbn) <jonasbn@cpan.org> is the current maintainer.

Chris Winters <chris@cwinters.com>, original author.

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