rollback current transaction before trying to report SQL query errors, properly save database error messages when logging query errors

This commit is contained in:
Andrew Dolgov 2013-08-02 16:20:39 +04:00
parent edba269b6f
commit 38f439708c
3 changed files with 15 additions and 6 deletions

View File

@ -26,9 +26,12 @@ class Db_Mysql implements IDb {
}
function query($query, $die_on_error = true) {
$result = mysql_query($query, $this->link);
$result = @mysql_query($query, $this->link);
if (!$result) {
user_error("Query $query failed: " . ($this->link ? mysql_error($this->link) : "No connection"),
$error = @mysql_error($this->link);
@mysql_query("ROLLBACK", $this->link);
user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}
return $result;

View File

@ -24,9 +24,12 @@ class Db_Mysqli implements IDb {
}
function query($query, $die_on_error = true) {
$result = mysqli_query($this->link, $query);
$result = @mysqli_query($this->link, $query);
if (!$result) {
user_error("Query $query failed: " . ($this->link ? mysqli_error($this->link) : "No connection"),
$error = @mysqli_error($this->link);
@mysqli_query($this->link, "ROLLBACK");
user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}

View File

@ -35,11 +35,14 @@ class Db_Pgsql implements IDb {
}
function query($query, $die_on_error = true) {
$result = pg_query($query);
$result = @pg_query($this->link, $query);
if (!$result) {
$error = @pg_last_error($this->link);
@pg_query($this->link, "ROLLBACK");
$query = htmlspecialchars($query); // just in case
user_error("Query $query failed: " . ($this->link ? pg_last_error($this->link) : "No connection"),
user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}
return $result;