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Data::Stag::StagDB(3) User Contributed Perl DocumentationData::Stag::StagDB(3)
NAME
Data::Stag::StagDB - persistent storage and retrieval of stag nodes
SYNOPSIS
# parsing a file into a file based index
my $sdb = Data::Stag::StagDB->new;
$sdb->unique_key("ss_details/social_security_no");
$sdb->record_type("person");
$sdb->indexfile("./person_by_ss-idx");
Data::Stag->parse(-file=>$fn, -handler=>$sdb);
my $obj = $sdb->index_hash;
my $person = $obj->{'999-9999-9999'};
print $person->xml;
# indexing an existing stag tree into a file based index
my $personset = Data::Stag->parse($fn);
my $sdb = Data::Stag::StagDB->new;
$sdb->unique_key("ss_details/social_security_no");
$sdb->record_type("person");
$sdb->indexfile("./person_by_ss-idx");
$personset->sax($sdb);
my $obj = $sdb->index_hash;
my $person = $obj->{'999-9999-9999'};
print $person->xml;
DESCRIPTION
This module is an extension of Data::Stag::HashDB - you can use it in
the same way.
It creates a simple file based database of stag nodes
This is useful if you want your data to persist; or if you want to use
Data::Stag::HashDB but your data will not fit into memory
PUBLIC METHODS -
indexfile
Usage -
Returns -
Args -
perl v5.14.1 2008-06-03 Data::Stag::StagDB(3)
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