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Manual Reference Pages  -  DATA::STAG::STAGDB (3)

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NAME



  Data::Stag::StagDB - persistent storage and retrieval of stag nodes



CONTENTS

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    -



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perl v5.20.3 DATA::STAG::STAGDB (3) 2013-09-18

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