2009-12-08 Miguel de Dios <miguel.dedios@artica.es>

* include/functions_db.php: add in "get_db_all_rows_filter" new parameter
	$returnSQL for return the string formated SQL instead the data. And add new
	function "get_db_all_row_by_steps_sql" that return row by row the data of
	query.
	
	* operation/events/export_csv.php: fixed the memory overload when try save
	into CSV a 10000 events or more, now use "get_db_all_row_by_steps_sql" for
	extract row by row the data.
	Fixes: 2859758



git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2175 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f

pandora_console/ChangeLog

@@ -1,3 +1,15 @@
+2009-12-08  Miguel de Dios  <miguel.dedios@artica.es>
+
+	* include/functions_db.php: add in "get_db_all_rows_filter" new parameter
+	$returnSQL for return the string formated SQL instead the data. And add new
+	function "get_db_all_row_by_steps_sql" that return row by row the data of
+	query.
+	
+	* operation/events/export_csv.php: fixed the memory overload when try save
+	into CSV a 10000 events or more, now use "get_db_all_row_by_steps_sql" for
+	extract row by row the data.
+	Fixes: 2859758
+
 2009-12-08  Miguel de Dios  <miguel.dedios@artica.es>
 
 	* operation/events/events.php: fix notice undefined var message.

pandora_console/include/functions_db.php

@@ -1837,10 +1837,11 @@ function get_db_all_rows_sql ($sql) {
  * @param mixed Fields of the table to retrieve. Can be an array or a coma
  * separated string. All fields are retrieved by default
  * @param string Condition of the filter (AND, OR).
+ * @param bool $returnSQL Return a string with SQL instead the data, by default false.
  *
  * @return mixed Array of the row or false in case of error.
  */
-function get_db_all_rows_filter ($table, $filter, $fields = false, $where_join = 'AND') {
+function get_db_all_rows_filter ($table, $filter, $fields = false, $where_join = 'AND', $returnSQL = false) {
 	//TODO: Validate and clean fields
 	if (empty ($fields)) {
 		$fields = '*';
@@ -1860,9 +1861,29 @@ function get_db_all_rows_filter ($table, $filter, $fields = false, $where_join =
 	}
 
 	$sql = sprintf ('SELECT %s FROM %s %s', $fields, $table, $filter);
+	if ($returnSQL)
+		return $sql;
+	else
 		return get_db_all_rows_sql ($sql);
 }
 
+/**
+ * Get row by row the DB by SQL query. The first time pass the SQL query and
+ * rest of times pass none for iterate in table and extract row by row, and
+ * the end return false.
+ * 
+ * @param string $sql 
+ * @return mixed The row or false in error.
+ */
+function get_db_all_row_by_steps_sql($sql = null) {
+	static $result;
+	
+	if ($sql !== null) 
+		$result = mysql_query($sql);
+	
+	return mysql_fetch_assoc($result);
+}
+
 /**
  * Error handler function when an SQL error is triggered.
  * 

pandora_console/operation/events/export_csv.php

@@ -71,10 +71,11 @@ echo chr (13);
 
 $fields = array ('id_grupo', 'id_agente', 'evento', 'estado', 'id_usuario',
 	'event_type', 'criticity', 'timestamp');
-$events = get_events ($filter, $fields);
+
-if ($events === false)
+$sql = get_db_all_rows_filter ('tevento', $filter, $fields, 'AND', true);
-	$events = array ();
+get_db_all_row_by_steps_sql($sql);
-foreach ($events as $event) {
+
+while ($event = get_db_all_row_by_steps_sql()) {
 	if (! give_acl ($config["id_user"], $event["id_grupo"], "AR"))
 		continue;