extern/egroupware
1
0
Fork 1
mirror of https://github.com/EGroupware/egroupware.git synced 2025-01-13 17:38:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

speed up restore of database by inserting up to 500 row in one statement (was only 10)

Browse Source
This commit is contained in:
Ralf Becker 2019-10-30 17:15:23 +01:00
parent bdc8e71057
commit 972ebf56f2
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
api/src/Db/Backup.php
View File

@ -331,11 +331,11 @@ class Backup
* @param boolean $convert_to_system_charset =true obsolet, it's now allways done
* @param string $filename ='' gives the file name which is used in case of a zip archive.
* @param boolean $protect_system_config =true should above system_config values be protected (NOT overwritten)
* @param int $insert_n_rows =10 how many rows to insert in one sql statement
* @param int $insert_n_rows =500 how many rows to insert in one sql statement
*
* @returns An empty string or an error message in case of failure.
*/
function restore($f,$convert_to_system_charset=true,$filename='',$protect_system_config=true, $insert_n_rows=10)
function restore($f,$convert_to_system_charset=true,$filename='',$protect_system_config=true, $insert_n_rows=500)
{
@set_time_limit(0);
ini_set('auto_detect_line_endings',true);
@ -496,10 +496,10 @@ class Backup
* Restore data from a (compressed) csv file
*
* @param resource $f file opened with fopen for reading
* @param int|string $insert_n_rows =10 how many rows to insert in one sql statement, or string with column-name used as unique key for insert
* @param int|string $insert_n_rows =500 how many rows to insert in one sql statement, or string with column-name used as unique key for insert
* @returns int number of rows read from csv file
*/
function db_restore($f, $insert_n_rows=10)
function db_restore($f, $insert_n_rows=500)
{
$convert_to_system_charset = true;
$table = null;
@ -604,7 +604,9 @@ class Backup
if ($insert_n_rows > 1)
{
$rows[] = $data;
if (count($rows) == $insert_n_rows)
if (count($rows) == $insert_n_rows ||
// check every 50 rows, if we might reach MySQLs max_allowed_packet=1MB
(!(count($rows) % 50) && strlen(json_encode($rows)) > 500000))
{
$this->insert_multiple($table, $rows, $this->schemas[$table]);
$rows = array();