--- /dev/null
+NAME
+ FS::dbdef_colgroup - Column group objects
+
+SYNOPSIS
+ use FS::dbdef_colgroup;
+
+ $colgroup = new FS::dbdef_colgroup ( $lol );
+ $colgroup = new FS::dbdef_colgroup (
+ [
+ [ 'single_column' ],
+ [ 'multiple_columns', 'another_column', ],
+ ]
+ );
+
+ @sql_lists = $colgroup->sql_list;
+
+ @singles = $colgroup->singles;
+
+DESCRIPTION
+ FS::dbdef_colgroup objects represent sets of sets of columns.
+
+METHODS
+ new Creates a new FS::dbdef_colgroup object.
+
+ sql_list
+ Returns a flat list of comma-separated values, for SQL
+ statements.
+
+ singles
+ Returns a flat list of all single item lists.
+
+BUGS
+SEE ALSO
+ the FS::dbdef_table manpage, the FS::dbdef_unique manpage, the
+ FS::dbdef_index manpage, the FS::dbdef_column manpage, the
+ FS::dbdef manpage, the perldsc manpage
+
+HISTORY
+ class for dealing with groups of groups of columns (used as a
+ base class by FS::dbdef_{unique,index} )
+
+ ivan@sisd.com 98-apr-19
+
+ added singles, fixed sql_list to skip empty lists ivan@sisd.com
+ 98-jun-2
+
+ untaint things we're returning in sub singels ivan@sisd.com 98-
+ jun-4
+
+ pod ivan@sisd.com 98-sep-24
+