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alzabo::create::columndefinition

Alzabo::Create::ColumnDefinition(3pm)			User Contributed Perl Documentation		     Alzabo::Create::ColumnDefinition(3pm)

NAME

       Alzabo::Create::ColumnDefinition - Column definition object for schema creation

SYNOPSIS

	 use Alzabo::Create::ColumnDefinition;

DESCRIPTION

       This object holds information on a column that might need to be shared with another column.  The reason this class exists is that if a col-
       umn is a key in two or more tables, then some of the information related to that column should change automatically in multiple places
       whenever it changes at all.  Right now this is only type ('VARCHAR', 'NUMBER', etc) and length/precision information.  This object also has
       an 'owner', which is the column which created it.

INHERITS FROM

       "Alzabo::ColumnDefinition"

       Note: all relevant documentation from the superclass has been merged into this document.

METHODS

       new

       This method takes the following parameters:

       * owner => "Alzabo::Create::ColumnDefinition" object
       * type => $type

       It returns a new "Alzabo::Create::ColumnDefinition" object.

       alter

       See the "Alzabo::Column->alter()" method for details.

       type

       Returns the object's type as a string.

       set_type ($string)

       Sets the object's type.

       Throws: "Alzabo::Exception::Params", "Alzabo::Exception::RDBMSRules"

       length

       Returns the length attribute of the column, or undef if there is none.

       precision

       Returns the precision attribute of the column, or undef if there is none.

       set_length

       This method takes the following parameters:

       * length => $length
       * precision => $precision (optional)

       Sets the column's length and precision.	The precision parameter is optional (though some column types may require it if the length is
       set).

       Throws: "Alzabo::Exception::Params", "Alzabo::Exception::RDBMSRules"

       owner

       Returns the "Alzabo::Create::Column" object that owns this definitions (the column that created it).

perl v5.8.8							    2007-12-23				     Alzabo::Create::ColumnDefinition(3pm)