How to use

setNull

method

in

org.postgresql.core.ParameterList

  void populateParameter(ParameterList params, int index) throws SQLException {
    if (bytes == null)
      params.setNull(index, 0);
    else
      params.setBytea(index, bytes, bytesStart, bytesLength);
  }
}

 void populateParameter(ParameterList params, int index) throws SQLException {
  if (bytes == null) {
   params.setNull(index, 0);
  } else {
   params.setBytea(index, bytes, bytesStart, bytesLength);
  }
 }
}

protected void setString(int parameterIndex, String x, int oid) throws SQLException {
 // if the passed string is null, then set this column to null
 checkClosed();
 if (x == null) {
  preparedParameters.setNull(parameterIndex, oid);
 } else {
  bindString(parameterIndex, x, oid);
 }
}

protected void setString(int parameterIndex, String x, int oid) throws SQLException
{
  // if the passed string is null, then set this column to null
  checkClosed();
  if (x == null)
  {
    if ( adjustIndex )
      parameterIndex--;   
    preparedParameters.setNull( parameterIndex, oid);
  }
  else
    bindString(parameterIndex, x, oid);
}

public void setNull(int parameterIndex, int targetSqlType) throws SQLException
{
  checkClosed();
  int oid;
  switch (targetSqlType)
  {
    case Types.SQLXML:
      oid = Oid.XML;
      break;
    default:
      super.setNull(parameterIndex, targetSqlType);
      return;
  }
  if (adjustIndex)
    parameterIndex--;
  preparedParameters.setNull(parameterIndex, oid);
}

public void setNull(int parameterIndex, int t, String typeName) throws SQLException {
 if (typeName == null) {
  setNull(parameterIndex, t);
  return;
 }
 checkClosed();
 TypeInfo typeInfo = connection.getTypeInfo();
 int oid = typeInfo.getPGType(typeName);
 preparedParameters.setNull(parameterIndex, oid);
}

preparedParameters.setNull(parameterIndex, oid);

preparedParameters.setNull( parameterIndex, oid);

  void populateParameter(ParameterList params, int index) throws SQLException {
    if (bytes == null)
      params.setNull(index, 0);
    else
      params.setBytea(index, bytes, bytesStart, bytesLength);
  }
}

  void populateParameter(ParameterList params, int index) throws SQLException {
    if (bytes == null)
      params.setNull(index, 0);
    else
      params.setBytea(index, bytes, bytesStart, bytesLength);
  }
}

protected void setString(int parameterIndex, String x, int oid) throws SQLException
{
  // if the passed string is null, then set this column to null
  checkClosed();
  if (x == null)
  {
    if ( adjustIndex )
      parameterIndex--;   
    preparedParameters.setNull( parameterIndex, oid);
  }
  else
    bindString(parameterIndex, x, oid);
}

protected void setString(int parameterIndex, String x, int oid) throws SQLException
{
  // if the passed string is null, then set this column to null
  checkClosed();
  if (x == null)
  {
    if ( adjustIndex )
      parameterIndex--;   
    preparedParameters.setNull( parameterIndex, oid);
  }
  else
    bindString(parameterIndex, x, oid);
}

public void setNull(int parameterIndex, int targetSqlType) throws SQLException
{
  checkClosed();
  int oid;
  switch (targetSqlType)
  {
    case Types.SQLXML:
      oid = Oid.XML;
      break;
    default:
      super.setNull(parameterIndex, targetSqlType);
      return;
  }
  if (adjustIndex)
    parameterIndex--;
  preparedParameters.setNull(parameterIndex, oid);
}

public void setNull(int parameterIndex, int targetSqlType) throws SQLException
{
  checkClosed();
  int oid;
  switch (targetSqlType)
  {
    case Types.SQLXML:
      oid = Oid.XML;
      break;
    default:
      super.setNull(parameterIndex, targetSqlType);
      return;
  }
  if (adjustIndex)
    parameterIndex--;
  preparedParameters.setNull(parameterIndex, oid);
}

preparedParameters.setNull( parameterIndex, oid);

preparedParameters.setNull( parameterIndex, oid);