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&=LV[( ? package DBI::ProfileData;
use strict;
=head1 NAME
DBI::ProfileData - manipulate DBI::ProfileDumper data dumps
=head1 SYNOPSIS
The easiest way to use this module is through the dbiprof frontend
(see L for details):
dbiprof --number 15 --sort count
This module can also be used to roll your own profile analysis:
# load data from dbi.prof
$prof = DBI::ProfileData->new(File => "dbi.prof");
# get a count of the records (unique paths) in the data set
$count = $prof->count();
# sort by longest overall time
$prof->sort(field => "longest");
# sort by longest overall time, least to greatest
$prof->sort(field => "longest", reverse => 1);
# exclude records with key2 eq 'disconnect'
$prof->exclude(key2 => 'disconnect');
# exclude records with key1 matching /^UPDATE/i
$prof->exclude(key1 => qr/^UPDATE/i);
# remove all records except those where key1 matches /^SELECT/i
$prof->match(key1 => qr/^SELECT/i);
# produce a formatted report with the given number of items
$report = $prof->report(number => 10);
# clone the profile data set
$clone = $prof->clone();
# get access to hash of header values
$header = $prof->header();
# get access to sorted array of nodes
$nodes = $prof->nodes();
# format a single node in the same style as report()
$text = $prof->format($nodes->[0]);
# get access to Data hash in DBI::Profile format
$Data = $prof->Data();
=head1 DESCRIPTION
This module offers the ability to read, manipulate and format
DBI::ProfileDumper profile data.
Conceptually, a profile consists of a series of records, or nodes,
each of each has a set of statistics and set of keys. Each record
must have a unique set of keys, but there is no requirement that every
record have the same number of keys.
=head1 METHODS
The following methods are supported by DBI::ProfileData objects.
=cut
our $VERSION = sprintf("2.%06d", q$Revision: 10007 $ =~ /(\d+)/o);
use Carp qw(croak);
use Symbol;
use Fcntl qw(:flock);
use DBI::Profile qw(dbi_profile_merge);
# some constants for use with node data arrays
sub COUNT () { 0 };
sub TOTAL () { 1 };
sub FIRST () { 2 };
sub SHORTEST () { 3 };
sub LONGEST () { 4 };
sub FIRST_AT () { 5 };
sub LAST_AT () { 6 };
sub PATH