public static boolean isJdbcSignedType()

in common/src/main/java/org/apache/drill/common/types/Types.java [355:422]
64 lines of code
44 McCabe index (conditional complexity)

  public static boolean isJdbcSignedType( final MajorType type ) {
    final boolean isSigned;
    switch ( type.getMode() ) {
      case REPEATED:
        isSigned = false;   // SQL ARRAY
        break;
      case REQUIRED:
      case OPTIONAL:
        switch ( type.getMinorType() ) {
          // Verified signed types:
          case SMALLINT:
          case INT:             // SQL INTEGER
          case BIGINT:
          case FLOAT4:          // SQL REAL / FLOAT(N)
          case FLOAT8:          // SQL DOUBLE PRECISION / FLOAT(N)
          case INTERVALYEAR:    // SQL INTERVAL w/YEAR and/or MONTH
          case INTERVALDAY:     // SQL INTERVAL w/DAY, HOUR, MINUTE and/or SECOND
          // Not-yet seen/verified signed types:
          case VARDECIMAL:      // SQL DECIMAL (if used)
          case DECIMAL9:        // SQL DECIMAL (if used)
          case DECIMAL18:       // SQL DECIMAL (if used)
          case DECIMAL28SPARSE: // SQL DECIMAL (if used)
          case DECIMAL38SPARSE: // SQL DECIMAL (if used)
          case DECIMAL28DENSE:  // SQL DECIMAL (if used)
          case DECIMAL38DENSE:  // SQL DECIMAL (if used)
          case TINYINT:         // (not standard SQL)
          case MONEY:           // (not standard SQL)
          case INTERVAL:        // unknown (given INTERVALYEAR and INTERVALDAY)
            isSigned = true;
            break;
          // Verified unsigned types:
          case BIT:            // SQL BOOLEAN
          case VARCHAR:
          case FIXEDCHAR:      // SQL CHARACTER
          case VARBINARY:
          case FIXEDBINARY:    // SQL BINARY
          case DATE:
          case TIME:           // SQL TIME WITHOUT TIME ZONE
          case TIMESTAMP:      // SQL TIMESTAMP WITHOUT TIME ZONE
          // Not-yet seen/verified unsigned types:
          case UINT1:
          case UINT2:
          case UINT4:
          case UINT8:
          case FIXED16CHAR:
          case VAR16CHAR:
          case GENERIC_OBJECT:
          case LATE:
          case LIST:
          case MAP:
          case DICT:
          case UNION:
          case NULL:
          case TIMETZ:      // SQL TIME WITH TIME ZONE
          case TIMESTAMPTZ: // SQL TIMESTAMP WITH TIME ZONE
            isSigned = false;
            break;
          default:
            throw new UnsupportedOperationException(
                "Unexpected/unhandled MinorType value " + type.getMinorType() );
        }
        break;
      default:
        throw new UnsupportedOperationException(
            "Unexpected/unhandled DataMode value " + type.getMode() );
    }
    return isSigned;
  }