Function read_timestamp_data

examples/cpp_api/quickstart_dimension_labels.cc:233–267

* Example reading data from one dimension label. * * @param ctx TileDB context to call TileDB API with. * @param array_uri URI of the array to read from. */

 * @param array_uri URI of the array to read from.
 */
void read_timestamp_data(const Context& ctx, const char* array_uri) {
  printf("\nRead from dimension label\n");

  // Open array for reading.
  Array array(ctx, array_uri, TILEDB_READ);

  // Create subarray for reading data.
  // Note: Since we are only reading a dimension label on dimension 1, any
  // ranges set on dimension 0 will be ignored.
  Subarray subarray(ctx, array);
  subarray.add_range(1, 1, 3);

  // Create buffers to hold the output data.
  std::vector<int64_t> timestamp(3);

  // Create the query.
  Query query(ctx, array);
  query.set_subarray(subarray);
  query.set_layout(TILEDB_ROW_MAJOR);
  QueryExperimental::set_data_buffer(query, "timestamp", timestamp);
  auto status = query.submit();
  // Check the query finished.
  if (status != Query::Status::COMPLETE) {
    printf("Warning: Read query did not complete.\n");
  }

  // Print results.
  for (unsigned j = 0; j < 3; ++j) {
    int32_t sample_val = j + 1;
    printf(" Cell (--, %d)\n", sample_val);
    printf("    * timestamp(%d) = ", sample_val);
    print_timestamp(timestamp[j]);
    printf("\n");
  }
}

/**
 * Example reading data from the array by the dimension labels.