Merge pull request 'turn on mysqli exceptions' (#8) from feature/enable-mysqli-exceptions into master

Reviewed-on: #8

src/Database/Mysql/Connection.php

@@ -19,15 +19,9 @@ class Connection implements IConnection
             $socket = (string) ini_get('mysqli.default_socket');
         }
 
+        mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
         $this->connection = new mysqli($host, $user, $password, $db, $port, $socket);
-
-        if ($this->connection->connect_error) {
-            throw new \Exception('Connection failed: ' . $this->connection->connect_error);
-        }
-
-        if (!$this->connection->set_charset('utf8mb4')) {
-            throw new \Exception($this->connection->error);
-        }
+        $this->connection->set_charset('utf8mb4');
     }
 
     public function __destruct()
@@ -37,30 +31,24 @@ class Connection implements IConnection
 
     public function startTransaction(): void
     {
-        if (!$this->connection->autocommit(false)) {
-            throw new \Exception($this->connection->error);
-        }
+        $this->connection->autocommit(false);
     }
 
     public function commit(): void
     {
-        if (!$this->connection->commit() || !$this->connection->autocommit(true)) {
-            throw new \Exception($this->connection->error);
-        }
+        $this->connection->commit();
+        $this->connection->autocommit(true);
     }
 
     public function rollback(): void
     {
-        if (!$this->connection->rollback() || !$this->connection->autocommit(true)) {
-            throw new \Exception($this->connection->error);
-        }
+        $this->connection->rollback();
+        $this->connection->autocommit(true);
     }
 
     public function query(string $query): ?IResultSet
     {
-        if (!($result = $this->connection->query($query))) {
-            throw new \Exception($this->connection->error . '. Query: ' . $query);
-        }
+        $result = $this->connection->query($query);
 
         if ($result !== true) {
             return new ResultSet($result);
@@ -71,9 +59,7 @@ class Connection implements IConnection
 
     public function multiQuery(string $query): array
     {
-        if (!$this->connection->multi_query($query)) {
-            throw new \Exception($this->connection->error . '. Query: ' . $query);
-        }
+        $this->connection->multi_query($query);
 
         $ret = [];
         do {
@@ -86,18 +72,12 @@ class Connection implements IConnection
             $this->connection->more_results();
         } while ($this->connection->next_result());
 
-        if ($this->connection->error) {
-            throw new \Exception($this->connection->error  . '. Query: ' . $query);
-        }
-
         return $ret;
     }
 
     public function prepare(string $query): IStatement
     {
-        if (!($stmt = $this->connection->prepare($query))) {
-            throw new \Exception($this->connection->error . '. Query: ' . $query);
-        }
+        $stmt = $this->connection->prepare($query);
 
         return new Statement($stmt);
     }