db_affected_rows

Determine the number of rows changed by the preceding query.

cache_set in includes/cache.inc: Store data in the persistent cache.
filter_list_format in modules/filter/filter.module: Retrieve a list of filters for a certain format.
node_type_update_nodes in modules/node/node.module: Updates all nodes of one type to be of another type.
openid_user_delete_form_submit in modules/openid/openid.pages.inc
search_index in modules/search/search.module: Update the full-text search index for a particular item.
search_update_totals in modules/search/search.module: This function is called on shutdown to ensure that search_total is always up to date (even if cron times out or otherwise fails).
sess_write in includes/session.inc
statistics_exit in modules/statistics/statistics.module: Implementation of hook_exit().
system_update_6038 in modules/system/system.install: Ensure that "Account" is not used as a Profile category.
user_set_authmaps in modules/user/user.module: Save mappings of which external authentication module(s) authenticated a user. Maps external usernames to user ids in the users table.
variable_set in includes/bootstrap.inc: Set a persistent variable.
_update_cache_set in modules/update/update.module: Store data in the private update status cache table.

<?php
function db_affected_rows() {
  global $last_result;
  return empty($last_result) ? 0 : pg_affected_rows($last_result);
}
?>

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