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replace a column values with the first value in column
Post 302106070 by Glenn Arndt on Tuesday 6th of February 2007 11:15:05 AM
02-06-2007
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400 D 405 E
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LEARN ABOUT DEBIAN
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)