baremaps-postgres/src/main/java/org/apache/baremaps/postgres/openstreetmap/CoordinateMap.java [207:249]:
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  @Override
  public long sizeAsLong() {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectSize)) {
      try (ResultSet result = statement.executeQuery()) {
        if (result.next()) {
          return result.getLong(1);
        } else {
          throw new DataCollectionException();
        }
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  @Override
  public boolean containsKey(Object key) {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectContainsKey)) {
      statement.setLong(1, (Long) key);
      try (ResultSet result = statement.executeQuery()) {
        return result.next();
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  @Override
  public boolean containsValue(Object value) {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectContainsValue)) {
      statement.setArray(1, connection.createArrayOf("int8", (Long[]) value));
      try (ResultSet result = statement.executeQuery()) {
        return result.next();
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  @Override
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baremaps-postgres/src/main/java/org/apache/baremaps/postgres/openstreetmap/ReferenceMap.java [105:150]:
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  @Override
  public long sizeAsLong() {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectSize)) {
      try (ResultSet result = statement.executeQuery()) {
        if (result.next()) {
          return result.getLong(1);
        } else {
          throw new DataCollectionException();
        }
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  @Override
  public boolean containsKey(Object key) {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectContainsKey)) {
      statement.setLong(1, (Long) key);
      try (ResultSet result = statement.executeQuery()) {
        return result.next();
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  @Override
  public boolean containsValue(Object value) {
    try (Connection connection = dataSource.getConnection();
        PreparedStatement statement = connection.prepareStatement(selectContainsValue)) {
      statement.setArray(1, connection.createArrayOf("int8", (Long[]) value));
      try (ResultSet result = statement.executeQuery()) {
        return result.next();
      }
    } catch (SQLException e) {
      throw new DataCollectionException(e);
    }
  }

  /**
   * {@inheritDoc}
   */
  @Override
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