NAME

DBIx::SQLEngine::Driver::Trait::NoJoins - For databases without join ability

SYNOPSIS

  # Classes can import this behavior if they can't join
  use DBIx::SQLEngine::Driver::Trait::NoJoins ':all';
  
  =head1 DESCRIPTION
  

This package works with DBD drivers which lack the basic ability to join tables.

About Driver Traits

You do not need to use this package directly; it is used internally by those driver subclasses which need it.

For more information about Driver Traits, see About Driver Traits in the DBIx::SQLEngine::Driver manpage.

REFERENCE

The following methods are provided:

Select to Retrieve Data

sql_join()

Dies with an "Unsupported" message.

Database Capability Information

dbms_joins_unsupported

  $sqldb->dbms_joins_unsupported () : 1

Capability Limitation: This driver does not support joins.

dbms_join_on_unsupported

  $sqldb->dbms_join_on_unsupported() : 1

Capability Limitation: This driver does not support the "join ... on ..." syntax.

dbms_outer_join_unsupported

  $sqldb->dbms_outer_join_unsupported() : 1

Capability Limitation: This driver does not support any type of outer joins.

SEE ALSO

See the DBIx::SQLEngine manpage for the overall interface and developer documentation.

See the DBIx::SQLEngine::Docs::ReadMe manpage for general information about this distribution, including installation and license information.

See the DBIx::Sequence manpage for another version of the sequence-table functionality, which greatly inspired this module.