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* Api/MariaDB/MySQL: fix SQL error handling in PHP 8.1

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also introduce parameter to limit number of deleted rows and more docu
This commit is contained in:
ralf 2023-03-17 11:04:45 +01:00
parent b95cdcb3c0
commit d7b6597076
1 changed files with 35 additions and 16 deletions
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49
api/src/Db.php
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@ -483,8 +483,6 @@ class Db
break;
case 'sapdb':
$Type = 'maxdb';
// fall through
case 'maxdb':
$Type ='sapdb'; // name in ADOdb
$php_extension = 'odbc';
@ -756,7 +754,8 @@ class Db
* @param int $fetchmode =self::FETCH_BOTH self::FETCH_BOTH (default), self::FETCH_ASSOC or self::FETCH_NUM
* @param boolean $reconnect =true true: try reconnecting if server closes connection, false: dont (mysql only!)
* @return ADORecordSet or false, if the query fails
* @throws Db\Exception\InvalidSql with $this->Link_ID->ErrorNo() as code
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception with $this->Link_ID->ErrorNo() as code for all other errors
*/
function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1, $inputarr=false, $fetchmode=self::FETCH_BOTH, $reconnect=true)
{
@ -819,9 +818,16 @@ class Db
// PHP 8.1 mysqli throws its own exception
catch(\mysqli_sql_exception $e) {
if (!($reconnect && $this->Type == 'mysql' && ($e->getCode() == 2006 || $e->getMessage() === 'MySQL server has gone away')))
{
if ($e->getCode() == 1064) // You have an error in your SQL syntax
{
throw new Db\Exception\InvalidSql($e->getMessage(), $e->getCode(), $e);
}
else
{
throw new Db\Exception($e->getMessage(), $e->getCode(), $e);
}
}
$this->Errno = 2006;
$this->Error = $e->getMessage();
}
@ -849,7 +855,7 @@ class Db
"\n$this->Error ($this->Errno)".
($inputarr ? "\nParameters: '".implode("','",$inputarr)."'":''), $this->Errno);
}
elseif(empty($rs->sql)) $rs->sql = $Query_String;
elseif(!$rs->sql) $rs->sql = $Query_String;
return $rs;
}
@ -1827,7 +1833,7 @@ class Db
if ($app === true && $table)
{
foreach(self::$all_app_data as $app => &$app_data)
foreach(self::$all_app_data as &$app_data)
{
if (isset($app_data[$table]))
{
@ -1835,27 +1841,27 @@ class Db
}
}
// $table not found in loaded apps, check not yet loaded ones
foreach(scandir(EGW_INCLUDE_ROOT) as $app)
foreach(scandir(EGW_INCLUDE_ROOT) as $dir)
{
if ($app[0] == '.' || !is_dir(EGW_INCLUDE_ROOT.'/'.$app) || isset(self::$all_app_data[$app]))
if ($dir[0] == '.' || !is_dir(EGW_INCLUDE_ROOT.'/'.$dir) || isset(self::$all_app_data[$dir]))
{
continue;
}
$tables_current = EGW_INCLUDE_ROOT . "/$app/setup/tables_current.inc.php";
$tables_current = EGW_INCLUDE_ROOT . "/$dir/setup/tables_current.inc.php";
if (!@file_exists($tables_current))
{
self::$all_app_data[$app] = False;
self::$all_app_data[$dir] = False;
}
else
{
$phpgw_baseline = null;
include($tables_current);
self::$all_app_data[$app] =& $phpgw_baseline;
self::$all_app_data[$dir] =& $phpgw_baseline;
unset($phpgw_baseline);
if (isset(self::$all_app_data[$app][$table]))
if (isset(self::$all_app_data[$dir][$table]))
{
return self::$all_app_data[$app][$table];
return self::$all_app_data[$dir][$table];
}
}
}
@ -1863,7 +1869,7 @@ class Db
}
if (!$app)
{
$app = $this->app ? $this->app : $GLOBALS['egw_info']['flags']['currentapp'];
$app = $this->app ?: $GLOBALS['egw_info']['flags']['currentapp'];
}
$app_data =& self::$all_app_data[$app];
@ -1927,6 +1933,9 @@ class Db
* @param string|boolean $app string with name of app or False to use the current-app
* @param bool $use_prepared_statement use a prepared statement
* @param array|bool $table_def use this table definition. If False, the table definition will be read from tables_baseline
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception with $this->Link_ID->ErrorNo() as code for all other errors
* @throws Exception\WrongParameter use $where together with multiple data rows in $data
* @return ADORecordSet or false, if the query fails
*/
function insert($table,$data,$where,$line,$file,$app=False,$use_prepared_statement=false,$table_def=False)
@ -2044,6 +2053,8 @@ class Db
* @param string|boolean $app string with name of app or False to use the current-app
* @param bool $use_prepared_statement use a prepared statement
* @param array|bool $table_def use this table definition. If False, the table definition will be read from tables_baseline
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception with $this->Link_ID->ErrorNo() as code for all other errors
* @return ADORecordSet or false, if the query fails
*/
function update($table,$data,$where,$line,$file,$app=False,$use_prepared_statement=false,$table_def=False)
@ -2142,9 +2153,12 @@ class Db
* @param string $file file-name to pass to query
* @param string|boolean $app string with name of app or False to use the current-app
* @param array|bool $table_def use this table definition. If False, the table definition will be read from tables_baseline
* @param int|null $limit limit delete to given number of rows
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception e.g. 1205: Lock timeout exceeded, if deleting rows took to long, you can use $limit to delete in multiple calls
* @return ADORecordSet or false, if the query fails
*/
function delete($table,$where,$line,$file,$app=False,$table_def=False)
function delete($table, $where, $line, $file, $app=False, $table_def=False, int $limit=null)
{
if (!$table_def) $table_def = $this->get_table_definitions($app,$table);
@ -2153,7 +2167,8 @@ class Db
$table = self::$tablealiases[$table];
}
$sql = "DELETE FROM $table WHERE ".
$this->column_data_implode(' AND ',$where,True,False,$table_def['fd']);
$this->column_data_implode(' AND ',$where,True,False,$table_def['fd']).
(isset($limit) && $limit > 0 ? 'LIMIT '.$limit : '');
if (!is_bool($this->log_updates) && in_array($table, (array)$this->log_updates))
{
@ -2234,6 +2249,8 @@ class Db
* "LEFT JOIN table2 ON (x=y)", Note: there's no quoting done on $join!
* @param array|bool $table_def use this table definition. If False, the table definition will be read from tables_baseline
* @param int $fetchmode =self::FETCH_ASSOC self::FETCH_ASSOC (default), self::FETCH_BOTH or self::FETCH_NUM
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception with $this->Link_ID->ErrorNo() as code for all other errors
* @return ADORecordSet or false, if the query fails
*/
function select($table,$cols,$where,$line,$file,$offset=False,$append='',$app=False,$num_rows=0,$join='',$table_def=False,$fetchmode=self::FETCH_ASSOC)
@ -2282,6 +2299,8 @@ class Db
* @param int|bool $offset offset for a limited query or False (default)
* @param int $num_rows number of rows to return if offset set, default 0 = use default in user prefs
* @param int $fetchmode =self::FETCH_ASSOC self::FETCH_ASSOC (default), self::FETCH_BOTH or self::FETCH_NUM
* @throws Db\Exception\InvalidSql for SQL syntax errors
* @throws Db\Exception with $this->Link_ID->ErrorNo() as code for all other errors
* @return ADORecordSet or false, if the query fails
*/
function union($selects,$line,$file,$order_by='',$offset=false,$num_rows=0,$fetchmode=self::FETCH_ASSOC)