SYNOPSIS
use DBIx::DBSchema::ColGroup;
$colgroup = new DBIx::DBSchema::ColGroup ( $lol_ref );
$colgroup = new DBIx::DBSchema::ColGroup ( \@lol );
$colgroup = new DBIx::DBSchema::ColGroup (
[
[ 'single_column' ],
[ 'multiple_columns', 'another_column', ],
]
);
$lol_ref = $colgroup->lol_ref;
@sql_lists = $colgroup->sql_list;
@singles = $colgroup->singles;
DESCRIPTION
This class is deprecated and included for backwards-compatibility only. See DBIx::DBSchema::Index for the current class used to store unique and non-unique indices.DBIx::DBSchema::ColGroup objects represent sets of sets of columns. (IOW a ``list of lists'' - see perllol.)
METHODS
- new [ LOL_REF ]
- Creates a new DBIx::DBSchema::ColGroup object. Pass a reference to a list of lists of column names.
- lol_ref
- Returns a reference to a list of lists of column names.
- sql_list
-
Returns a flat list of comma-separated values, for SQL statements.
For example:
@lol = ( [ 'single_column' ], [ 'multiple_columns', 'another_column', ], ); $colgroup = new DBIx::DBSchema::ColGroup ( \@lol ); print join("\n", $colgroup->sql_list), "\n";
Will print:
single_column multiple_columns, another_column
- singles
- Returns a flat list of all single item lists.