Copy same file with different variables

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LEARN ABOUT DEBIAN

data::stream::bulk::dbi

Data::Stream::Bulk::DBI(3pm)				User Contributed Perl Documentation			      Data::Stream::Bulk::DBI(3pm)

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.

perl v5.14.2							    2012-02-14					      Data::Stream::Bulk::DBI(3pm)

UNIX for Dummies Questions & Answers