private static boolean isExactNumericWithScaleZero(Type type) {
    return type.equals(INT32) || type.equals(INT64);
  }
@return the common supertype between the value type and subquery type
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/analyzer/ExpressionAnalyzer.java