protected int renameLdapSynchCollisionBehaviorValue() throws SQLException {
    int numberOfRecordsRenamed = 0;
    if (dbAccessor.tableExists(AMBARI_CONFIGURATION_TABLE)) {
      LOG.debug("Executing: {}", RENAME_COLLISION_BEHAVIOR_PROPERTY_SQL);
      numberOfRecordsRenamed = dbAccessor.executeUpdate(RENAME_COLLISION_BEHAVIOR_PROPERTY_SQL);
      LOG.info("Renamed {} {} with incorrect LDAP configuration property name", numberOfRecordsRenamed, 1 >= numberOfRecordsRenamed ? "record" : "records");
    } else {
      LOG.info("{} table does not exists; nothing to update", AMBARI_CONFIGURATION_TABLE);
    }
    return numberOfRecordsRenamed;
  }
The {@link UpgradeCatalog272} upgrades Ambari from 2.7.1 to 2.7.2.
ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog272.java