--------------------------------------------------
PTMDB MODULE - db_update_row_hash_where() FUNCTION
--------------------------------------------------

  ------------
  USAGE FORMAT
  ------------

    Where $ret is a return value of 1 or 0 (zero):

    $ret = &db_update_row_hash_where($db_object, $table, $where,
                                     \%column_value_pairs);
    $ret = &db_update_row_hash_where($db_object, $table, $where,
                                     {$col1=>$val1, $col2=>$val2});

  -----------
  DESCRIPTION
  -----------

    Updates a given database table rowusing a WHERE comparison statement.
    The intended use of this function is to allow updating a row with only
    certain column fields filled in without having to define every field.
    Returns 1 if successful
    Returns 0 (zero) if not successful

  ---------
  ARGUMENTS
  ---------

    $db_object

      REQUIRED

      A database handler object. This object stores connection information and
      is returned from a db_connect() function call. This object is of the same
      type as is returned by a DBI->connect function call.

    $table

      REQUIRED

      The name of the table in which you would like to update row information.

    $where

      REQUIRED

      Any SQL "WHERE" statement to be used as part of the "UPDATE" statement.
      e.g. "((`column1` = 'value1') AND (`column2` = 'value2'))"

    \%column_value_pairs

      REQUIRED

      A hash reference containing the reqested field column => value quantifier
      pairs. This may be either a direct hash reference or an inline Perl hash
      reference defined in {$column => $value} format.

  -------
  RETURNS
  -------

    1 if row was updated successfully
    0 (zero) if row was not updated successfully or no row matches were found.

  --------------
  USAGE EXAMPLES
  --------------

    --------------------------------------------------------
    Example 1: Update 'name' in a Row with a WHERE statement
    --------------------------------------------------------

      <?
        $ret = &db_update_row_hash_where($dbobj, 'MyTable', 
          "((`id` = '10') AND (`name` LIKE 'j%'))",
          {'name'=>'John'});
      ?>

  --------
  SEE ALSO
  --------

    MODULES

      PTMDB

    FUNCTIONS

      PTMDB - db_connect()
      PTMDB - db_update_row_hash()
      PTMDB - db_update_row_hash_like()
      PTMDB - db_update_row_where()