dbix::class::storage::dbi::multicolumnin(3) [osx man page]
DBIx::Class::Storage::DBI::MultiColumnIn(3) User Contributed Perl Documentation DBIx::Class::Storage::DBI::MultiColumnIn(3)NAME
DBIx::Class::Storage::DBI::MultiColumnIn - Storage component for RDBMS supporting multicolumn in clauses
DESCRIPTION
While ANSI SQL does not define a multicolumn in operator, many databases can in fact understand WHERE (cola, colb) IN ( SELECT subcol_a,
subcol_b ... ) The storage class for any such RDBMS should inherit from this class, in order to dramatically speed up update/delete
operations on joined multipk resultsets.
At this point the only overridden method is "_multipk_update_delete()"
AUTHORS
See "CONTRIBUTORS" in DBIx::Class
LICENSE
You may distribute this code under the same terms as Perl itself.
perl v5.12.5 2010-10-07 DBIx::Class::Storage::DBI::MultiColumnIn(3)
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DBIx::Class::Storage::DBI::UniqueIdentifier(3) User Contributed Perl Documentation DBIx::Class::Storage::DBI::UniqueIdentifier(3)NAME
DBIx::Class::Storage::DBI::UniqueIdentifier - Storage component for RDBMSes supporting GUID types
DESCRIPTION
This is a storage component for databases that support GUID types such as "uniqueidentifier", "uniqueidentifierstr" or "guid".
GUIDs are generated automatically for PK columns with a supported data_type, as well as non-PK with auto_nextval set.
METHODS
new_guid
The composing class must set "new_guid" to the method used to generate a new GUID. It can also set it to "undef", in which case the user is
required to set it, or a runtime error will be thrown. It can be:
string
In which case it is used as the name of database function to create a new GUID,
coderef
In which case the coderef should return a string GUID, using Data::GUID, or whatever GUID generation method you prefer. It is passed
the $self DBIx::Class::Storage reference as a parameter.
For example:
$schema->storage->new_guid(sub { Data::GUID->new->as_string });
AUTHOR
See "AUTHOR" in DBIx::Class and "CONTRIBUTORS" in DBIx::Class.
LICENSE
You may distribute this code under the same terms as Perl itself.
perl v5.18.2 2013-12-16 DBIx::Class::Storage::DBI::UniqueIdentifier(3)
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In-depth information from IBM:
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