public ColumnModel singleUnique(String uniqueName) {
		makeSureTableModelExist();
		DialectException.assureNotEmpty(uniqueName, "indexName can not be empty");
		this.tableModel.unique(uniqueName).columns(this.getColumnName());
		return this;
	}
public ColumnModel singleUnique ( String uniqueName ) { makeSureTableModelExist ( ) ; DialectException . assureNotEmpty ( uniqueName , "indexName can not be empty" ) ; this . tableModel . unique ( uniqueName ) . columns ( this . getColumnName ( ) ) ; return this ; }
A shortcut method to add a unique constraint for single column, for multiple
columns index please use tableModel.unique() method