return ( (TableInfo) this.tableInfos.get( tableName ) ).getForwardRefNumber( columnName ); }
Object tableInfo = this.tableInfos.get( tableName == null ? "":tableName.trim( ) ); if( tableInfo!= null ) return ( (TableInfo)tableInfo ).getForwardRefNumber( columnName == null? "":columnName.trim( ) ); else return -1;	}
	public int getTableColumnForwardRefNumber( String tableName, String columnName )	{		return ( (TableInfo) this.tableInfos.get( tableName ) ).getForwardRefNumber( columnName );	}