private boolean strictIdentifier_sempred(StrictIdentifierContext _localctx, int predIndex) {
		switch (predIndex) {
		case 17:
			return SQL_standard_keyword_behavior;
		case 18:
			return !SQL_standard_keyword_behavior;
		}
		return true;
	}
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