Read all

log.Printf("Reading all greeting rows:")
err = tbl.ReadRows(ctx, bigtable.PrefixRange(columnName), func(row bigtable.Row) bool {
	item := row[columnFamilyName][0]
	log.Printf("\t%s = %s\n", item.Row, string(item.Value))
	return true
}, bigtable.RowFilter(bigtable.ColumnFilter(columnName)))

if err = client.Close(); err != nil {
	log.Fatalf("Could not close data operations client: %v", err)
}

try {
  System.out.println("\nReading the entire table");
  Query query = Query.create(TableId.of(tableId));
  ServerStream<Row> rowStream = dataClient.readRows(query);
  List<Row> tableRows = new ArrayList<>();
  for (Row r : rowStream) {
    System.out.println("Row Key: " + r.getKey().toStringUtf8());
    tableRows.add(r);
    for (RowCell cell : r.getCells()) {
      System.out.printf(
          "Family: %s    Qualifier: %s    Value: %s%n",
          cell.getFamily(), cell.getQualifier().toStringUtf8(), cell.getValue().toStringUtf8());
    }
  }
  return tableRows;
} catch (NotFoundException e) {
  System.err.println("Failed to read a non-existent table: " + e.getMessage());
  return null;
}

$columnFamilyId = 'cf1';
$column = 'greeting';
printf('Scanning for all greetings:' . PHP_EOL);
$partialRows = $table->readRows([])->readAll();
foreach ($partialRows as $row) {
    printf('%s' . PHP_EOL, $row[$columnFamilyId][$column][0]['value']);
}

print("Scanning for all greetings:")
partial_rows = table.read_rows(filter_=row_filter)

for row in partial_rows:
    cell = row.cells[column_family_id][column][0]
    print(cell.value.decode("utf-8"))