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Manual Reference Pages  -  DBIX::RECORDSET::DBSEQ (3)

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NAME

DBIx::Recordset::DBSeq - Sequence generator in DBI database

CONTENTS

SYNOPSIS



 use DBIx::Recordset::DBSeq ;

 $self = DBIx::Recordset::DBSeq ($dbh, sequences, $min, $max) ;

 $val1 = $self -> NextVal (foo) ;
 $val2 = $self -> NextVal (foo) ;
 $val3 = $self -> NextVal (bar) ;



DESCRIPTION

DBIx::Recordset::FileSeq generates unique numbers. State is kept in the one table of a database accessable via DBI. With the new constructor you give an open database handle and sepcify the the table where state should be kept. Optionaly you can give a min and a max values, which will be used for new sequences.

With <B>NextValB> you can get the next value for the sequence of the given name.

The table must created in the following form:

create table
(
name varchar (32),
cnt integer,
maxcnt integer,
primary key name
) ;

If the sequence value reaches the maxcnt value, NextVal will die with an error message. If maxcnt contains null there is no limit.

AUTHOR

G.Richter (richter@dev.ecos.de)

SEE ALSO

DBIx::Recordset

POD ERRORS

Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 161: ’=item’ outside of any ’=over’

=over without closing =back

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perl v5.20.3 RECORDSET::DBSEQ (3) 2003-11-22

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