public boolean isDialect()

in wrapper/src/main/java/software/amazon/jdbc/dialect/AuroraPgDialect.java [60:126]
60 lines of code
17 McCabe index (conditional complexity)

  public boolean isDialect(final Connection connection) {
    if (!super.isDialect(connection)) {
      return false;
    }

    Statement stmt = null;
    ResultSet rs = null;
    boolean hasExtensions = false;
    boolean hasTopology = false;
    try {
      stmt = connection.createStatement();
      rs = stmt.executeQuery(extensionsSql);
      if (rs.next()) {
        final boolean auroraUtils = rs.getBoolean("aurora_stat_utils");
        LOGGER.finest(() -> String.format("auroraUtils: %b", auroraUtils));
        if (auroraUtils) {
          hasExtensions = true;
        }
      }
    } catch (SQLException ex) {
      // ignore
    } finally {
      if (stmt != null) {
        try {
          stmt.close();
        } catch (SQLException ex) {
          // ignore
        }
      }
      if (rs != null) {
        try {
          rs.close();
        } catch (SQLException ex) {
          // ignore
        }
      }
    }
    if (!hasExtensions) {
      return false;
    }
    try {
      stmt = connection.createStatement();
      rs = stmt.executeQuery(topologySql);
      if (rs.next()) {
        LOGGER.finest(() -> "hasTopology: true");
        hasTopology = true;
      }
    } catch (final SQLException ex) {
      // ignore
    } finally {
      if (stmt != null) {
        try {
          stmt.close();
        } catch (SQLException ex) {
          // ignore
        }
      }
      if (rs != null) {
        try {
          rs.close();
        } catch (SQLException ex) {
          // ignore
        }
      }
    }
    return hasExtensions && hasTopology;
  }