private static RelDataType toRelDataTypeFromField()

in baremaps-calcite/src/main/java/org/apache/baremaps/calcite/geoparquet/GeoParquetTypeConversion.java [65:99]

34 lines of code
12 McCabe index (conditional complexity)


  private static RelDataType toRelDataTypeFromField(RelDataTypeFactory typeFactory, Field field) {
    Type type = field.type();

    if (type == Type.BINARY) {
      return typeFactory.createSqlType(SqlTypeName.VARBINARY);
    } else if (type == Type.BOOLEAN) {
      return typeFactory.createSqlType(SqlTypeName.BOOLEAN);
    } else if (type == Type.INTEGER) {
      return typeFactory.createSqlType(SqlTypeName.INTEGER);
    } else if (type == Type.FLOAT) {
      return typeFactory.createSqlType(SqlTypeName.FLOAT);
    } else if (type == Type.DOUBLE) {
      return typeFactory.createSqlType(SqlTypeName.DOUBLE);
    } else if (type == Type.STRING) {
      return typeFactory.createSqlType(SqlTypeName.VARCHAR);
    } else if (type == Type.GEOMETRY) {
      return typeFactory.createJavaType(Geometry.class);
    } else if (type == Type.ENVELOPE) {
      return typeFactory.createJavaType(Geometry.class);
    } else if (type == Type.LONG || type == Type.INT96) {
      return typeFactory.createSqlType(SqlTypeName.BIGINT);
    } else if (type == Type.GROUP) {
      var groupField = (GroupField) field;
      var fields = groupField.schema().fields();
      var types = fields.stream()
          .map(f -> toRelDataTypeFromField(typeFactory, f))
          .collect(Collectors.toList());
      var names = fields.stream()
          .map(Field::name)
          .collect(Collectors.toList());
      return typeFactory.createStructType(types, names);
    } else {
      throw new IllegalStateException("Unexpected value: " + type);
    }
  }