public final TransformContext transform() throws RecognitionException {
		TransformContext _localctx = new TransformContext(_ctx, getState());
		enterRule(_localctx, 134, RULE_transform);
		int _la;
		try {
			setState(1181);
			_errHandler.sync(this);
			switch ( getInterpreter().adaptivePredict(_input,163,_ctx) ) {
			case 1:
				_localctx = new IdentityTransformContext(_localctx);
				enterOuterAlt(_localctx, 1);
				{
				setState(1168);
				qualifiedName();
				}
				break;
			case 2:
				_localctx = new ApplyTransformContext(_localctx);
				enterOuterAlt(_localctx, 2);
				{
				setState(1169);
				((ApplyTransformContext)_localctx).transformName = identifier();
				setState(1170);
				match(T__1);
				setState(1171);
				((ApplyTransformContext)_localctx).transformArgument = transformArgument();
				((ApplyTransformContext)_localctx).argument.add(((ApplyTransformContext)_localctx).transformArgument);
				setState(1176);
				_errHandler.sync(this);
				_la = _input.LA(1);
				while (_la==T__2) {
					{
					{
					setState(1172);
					match(T__2);
					setState(1173);
					((ApplyTransformContext)_localctx).transformArgument = transformArgument();
					((ApplyTransformContext)_localctx).argument.add(((ApplyTransformContext)_localctx).transformArgument);
					}
					}
					setState(1178);
					_errHandler.sync(this);
					_la = _input.LA(1);
				}
				setState(1179);
				match(T__3);
				}
				break;
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}
When true, the behavior of keywords follows ANSI SQL standard.
amoro-format-mixed/amoro-mixed-spark/v3.2/amoro-mixed-spark-3.2/src/main/gen-antlr/org/apache/amoro/spark/sql/parser/MixedFormatSqlExtendParser.java