1Data::Stream::Bulk::DBIU(s3e)r Contributed Perl DocumentaDtaitoan::Stream::Bulk::DBI(3)
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NAME

6       Data::Stream::Bulk::DBI - N-at-a-time iteration of DBI statement
7       results.
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VERSION

10       version 0.11
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SYNOPSIS

13               use Data::Stream::Bulk::DBI;
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15               my $sth = $dbh->prepare("SELECT hate FROM sql"); # very big resultset
16               $sth->execute;
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18               return Data::Stream::Bulk::DBI->new(
19                       sth => $sth,
20                       max_rows => $n, # how many at a time
21                       slice => [ ... ], # if you want to pass the first param to fetchall_arrayref
22               );
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DESCRIPTION

25       This implementation of Data::Stream::Bulk api works with DBI statement
26       handles, using "fetchall_arrayref" in DBI.
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28       It fetches "max_rows" at a time (defaults to 500).
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ATTRIBUTES

31       sth The statement handle to call "fetchall_arrayref" on.
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33       slice
34           Passed verbatim as the first param to "fetchall_arrayref". Should
35           usually be "undef", provided for completetness.
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37       max_rows
38           The second param to "fetchall_arrayref". Controls the size of each
39           buffer.
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41           Defaults to 500.
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METHODS

44       get_more
45           See Data::Stream::Bulk::DoneFlag.
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47           Calls "fetchall_arrayref" to get the next chunk of rows.
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49       all Calls "fetchall_arrayref" to get the raminder of the data (without
50           specifying "max_rows").
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AUTHOR

53       Yuval Kogman <nothingmuch@woobling.org>
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56       This software is copyright (c) 2012 by Yuval Kogman.
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58       This is free software; you can redistribute it and/or modify it under
59       the same terms as the Perl 5 programming language system itself.
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63perl v5.30.1                      2020-01-29        Data::Stream::Bulk::DBI(3)
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