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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 0.11SYNOPSIS¶
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.
2012-02-14 | perl v5.14.2 |