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Manual Reference Pages  -  DBIX::CLASS::DEPLOYMENTHANDLER::DEPLOYMETHOD::SQL::TRANSLATOR::SCRIPTHELPERS (3)

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NAME

DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator::ScriptHelpers - CodeRef Transforms for common use-cases in DBICDH Migrations

CONTENTS

SYNOPSIS



 use DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator::ScriptHelpers
   schema_from_schema_loader;

   schema_from_schema_loader({ naming => v4 }, sub {
      my ($schema, $version_set) = @_;

      ...
   });



DESCRIPTION

This package is a set of coderef transforms for common use-cases in migrations. The subroutines are simply helpers for creating coderefs that will work for PERL SCRIPTS in DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator, yet have some argument other than the current schema that you as a user might prefer.

EXPORTED SUBROUTINES

    dbh($coderef)



 dbh(sub {
   my ($dbh, $version_set) = @_;

   ...
 });



For those times when you almost exclusively need access to the bare metal. Simply gives you the correct database handle and the expected version set.

schema_from_schema_loader($sl_opts, CW$coderef)



 schema_from_schema_loader({ naming => v4 }, sub {
   my ($schema, $version_set) = @_;

   ...
 });



Any time you write a perl migration script that uses a DBIx::Class::Schema you should probably use this. Otherwise you’ll run into problems if you remove a column from your schema yet still populate to it in an older population script.

Note that $sl_opts requires that you specify something for the naming option.

AUTHOR

Arthur Axel fREW Schmidt <frioux+cpan@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2015 by Arthur Axel fREW Schmidt.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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perl v5.20.3 DBIX::CLASS::DEPLOYMENTHANDLER::DEPLOYMETHOD::SQL::TRANSLATOR::SCRIPTHELPERS (3) 2015-06-14

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