public static int columnPrecision()

in src/main/java/com/aliyun/odps/jdbc/utils/JdbcColumn.java [146:203]
55 lines of code
24 McCabe index (conditional complexity)

  public static int columnPrecision(TypeInfo typeInfo) throws SQLException {
    int columnType = odpsTypeToSqlType(typeInfo.getOdpsType());
    // according to odpsTypeToSqlType possible options are:
    switch (columnType) {
      case Types.NULL:
        return 0;
      case Types.BOOLEAN:
        return 1;
      case Types.CHAR:
      case Types.VARCHAR:
        if (typeInfo instanceof VarcharTypeInfo) {
          return ((VarcharTypeInfo) typeInfo).getLength();
        }
        if (typeInfo instanceof CharTypeInfo) {
          return ((CharTypeInfo) typeInfo).getLength();
        }
        return Integer.MAX_VALUE; // hive has no max limit for strings
      case Types.BINARY:
        return Integer.MAX_VALUE; // hive has no max limit for binary
      case Types.TINYINT:
        return 3;
      case Types.SMALLINT:
        return 5;
      case Types.INTEGER:
        return 10;
      case Types.BIGINT:
        return 19;
      case Types.FLOAT:
        return 7;
      case Types.DOUBLE:
        return 15;
      case Types.DATE:
        return 10;
      case Types.TIMESTAMP:
        return 29;
      case Types.DECIMAL:
        return ((DecimalTypeInfo) typeInfo).getPrecision();
      case Types.OTHER:
      case Types.JAVA_OBJECT: {
        if (typeInfo instanceof SimplePrimitiveTypeInfo) {
          SimplePrimitiveTypeInfo spti = (SimplePrimitiveTypeInfo) typeInfo;
          if (OdpsType.INTERVAL_YEAR_MONTH.equals(spti.getOdpsType())) {
            // -yyyyyyy-mm : should be more than enough
            return 11;
          } else if (OdpsType.INTERVAL_DAY_TIME.equals(spti.getOdpsType())) {
            // -ddddddddd hh:mm:ss.nnnnnnnnn
            return 29;
          }
        }
        return Integer.MAX_VALUE;
      }
      case Types.ARRAY:
      case Types.STRUCT:
        return Integer.MAX_VALUE;
      default:
        throw new SQLException("Invalid odps type: " + columnType);
    }
  }