public final WindowFrameContext windowFrame() throws RecognitionException {
		WindowFrameContext _localctx = new WindowFrameContext(_ctx, getState());
		enterRule(_localctx, 190, RULE_windowFrame);
		try {
			setState(1816);
			_errHandler.sync(this);
			switch ( getInterpreter().adaptivePredict(_input,246,_ctx) ) {
			case 1:
				enterOuterAlt(_localctx, 1);
				{
				setState(1800);
				((WindowFrameContext)_localctx).frameType = match(RANGE);
				setState(1801);
				((WindowFrameContext)_localctx).start = frameBound();
				}
				break;
			case 2:
				enterOuterAlt(_localctx, 2);
				{
				setState(1802);
				((WindowFrameContext)_localctx).frameType = match(ROWS);
				setState(1803);
				((WindowFrameContext)_localctx).start = frameBound();
				}
				break;
			case 3:
				enterOuterAlt(_localctx, 3);
				{
				setState(1804);
				((WindowFrameContext)_localctx).frameType = match(RANGE);
				setState(1805);
				match(BETWEEN);
				setState(1806);
				((WindowFrameContext)_localctx).start = frameBound();
				setState(1807);
				match(AND);
				setState(1808);
				((WindowFrameContext)_localctx).end = frameBound();
				}
				break;
			case 4:
				enterOuterAlt(_localctx, 4);
				{
				setState(1810);
				((WindowFrameContext)_localctx).frameType = match(ROWS);
				setState(1811);
				match(BETWEEN);
				setState(1812);
				((WindowFrameContext)_localctx).start = frameBound();
				setState(1813);
				match(AND);
				setState(1814);
				((WindowFrameContext)_localctx).end = frameBound();
				}
				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/v3.3/amoro-mixed-spark-3.3/src/main/gen-antlr/org/apache/amoro/spark/sql/parser/MixedFormatSqlExtendParser.java