public final BooleanValueContext booleanValue() throws RecognitionException {
		BooleanValueContext _localctx = new BooleanValueContext(_ctx, getState());
		enterRule(_localctx, 158, RULE_booleanValue);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(1616);
			_la = _input.LA(1);
			if ( !(_la==FALSE || _la==TRUE) ) {
			_errHandler.recoverInline(this);
			}
			else {
				if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
				_errHandler.reportMatch(this);
				consume();
			}
			}
		}
		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/v3.5/amoro-mixed-spark-3.5/src/main/gen-antlr/org/apache/amoro/spark/sql/parser/MixedFormatSqlExtendParser.java