Data::Stream::Bulk::DBI - N-at-a-time iteration of DBI statement results.
Contents
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.
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 v5.32.0 2021-01-01 Data::Stream::Bulk::DBI(3pm)
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).
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").
Name
Data::Stream::Bulk::DBI - N-at-a-time iteration of DBI statement results.
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
);
Version
version 0.11
