# Data::Stream::Bulk::DBI - phpMan

## NAME
    [Data::Stream::Bulk::DBI] - N-at-a-time iteration of DBI statement
    results.

## VERSION
    version 0.11

## SYNOPSIS
            use [Data::Stream::Bulk::DBI];

            my $sth = $dbh->prepare("SELECT hate FROM sql"); # very big resultset
            $sth->execute;

            return [Data::Stream::Bulk::DBI]->new(
                    sth => $sth,
                    max_rows => $n, # how many at a time
                    slice => [ ... ], # if you want to pass the first param to fetchall_arrayref
            );

## DESCRIPTION
    This implementation of [Data::Stream::Bulk] api works with DBI statement
    handles, using "fetchall_arrayref" in DBI.

    It fetches "max_rows" at a time (defaults to 500).

## ATTRIBUTES
    sth The statement handle to call "fetchall_arrayref" on.

    slice
        Passed verbatim as the first param to "fetchall_arrayref". Should
        usually be "undef", provided for completetness.

    max_rows
        The second param to "fetchall_arrayref". Controls the size of each
        buffer.

        Defaults to 500.

## METHODS
    get_more
        See [Data::Stream::Bulk::DoneFlag].

        Calls "fetchall_arrayref" to get the next chunk of rows.

    all Calls "fetchall_arrayref" to get the raminder of the data (without
        specifying "max_rows").

## AUTHOR
    Yuval Kogman <<nothingmuch@woobling.org>>

## COPYRIGHT AND LICENSE
    This software is copyright (c) 2012 by Yuval Kogman.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.