public boolean isDialect()

in wrapper/src/main/java/software/amazon/jdbc/dialect/RdsMysqlDialect.java [35:83]
35 lines of code
10 McCabe index (conditional complexity)

  public boolean isDialect(final Connection connection) {
    if (super.isDialect(connection)) {
      // MysqlDialect and RdsMysqlDialect use the same server version query to determine the dialect.
      // The `SHOW VARIABLES LIKE 'version_comment'` either outputs
      // | Variable_name   | value                        |
      // |-----------------|------------------------------|
      // | version_comment | MySQL Community Server (GPL) |
      // for community Mysql, or
      // | Variable_name   | value               |
      // |-----------------|---------------------|
      // | version_comment | Source distribution |
      // for RDS MySQL. If super.idDialect returns true there is no need to check for RdsMysqlDialect.
      return false;
    }
    Statement stmt = null;
    ResultSet rs = null;

    try {
      stmt = connection.createStatement();
      rs = stmt.executeQuery(this.getServerVersionQuery());
      while (rs.next()) {
        final int columnCount = rs.getMetaData().getColumnCount();
        for (int i = 1; i <= columnCount; i++) {
          final String columnValue = rs.getString(i);
          if ("Source distribution".equalsIgnoreCase(columnValue)) {
            return 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 false;
  }