private boolean queryTerm_sempred(QueryTermContext _localctx, int predIndex) {
		switch (predIndex) {
		case 0:
			return precpred(_ctx, 3);
		case 1:
			return legacy_setops_precedence_enabled;
		case 2:
			return precpred(_ctx, 2);
		case 3:
			return !legacy_setops_precedence_enabled;
		case 4:
			return precpred(_ctx, 1);
		case 5:
			return !legacy_setops_precedence_enabled;
		}
		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