NAME
Jifty::DBI::Column
DESCRIPTION
This class encapsulate's a single column in a Jifty::DBI::Record table description. It replaces the _accessible method in Jifty::DBI::Record.
It has the following accessors: name type default validator boolean refers_to readable writable length
.
new
is_numeric
Returns true if the column is of some numeric type, otherwise returns false.
is_string
Returns true if this column is a text field
serialize_metadata
Returns a hash describing this column object with enough detail to fully describe it in the database. Intentionally skips record_class
, all column attributes starting with _
, and all column attributes which are undefined. The "known" attributes in the attributes
hash are flattened and returned as well. The list of known attributes are:
serialize_metadata2
Returns a hash describing this column object with enough detail to fully describe it in the database. Intentionally skips record_class
, all column attributes starting with _
, and all column attributes which are undefined.
validator
Gets/sets the validator coderef for the column.
read
DEPRECATED. Use $column->readable
instead.
write
DEPRECATED. Use $column->writable
instead.
length
DEPRECATED. Use $column->max_length
instead.
until
DEPRECATED. Use $column->till
instead.
active
Returns the a true value if the column method exists for the current application version. The current application version is determined by checking the "schema_version" in Jifty::DBI::Record of the column's "record_class". This method returns a false value if the column is not yet been added or has been dropped.
This method returns a false value under these circumstances:
Both the
since
trait andschema_version
method are defined andschema_version
is less than the version set onsince
.Both the
till
trait andschema_version
method are defined andschema_version
is greater than or equal to the version set ontill
.
Otherwise, this method returns true.