sql += getDropColumnStatement( tablename, v, tk, use_autoinc, pk, semicolon ) + ";" + Const.CR; sql += getDropColumnStatement( tablename, tmpColumn, tk, use_autoinc, pk, semicolon );
sql += getDropColumnStatement( tablename, v, tk, use_autoinc, pk, semicolon ) + ";" + Const.CR; sql += getDropColumnStatement( tablename, tmpColumn, tk, use_autoinc, pk, semicolon );