diff --git a/src/Query/CreateTable.php b/src/Query/CreateTable.php
index ff0fa63..19d8472 100644
--- a/src/Query/CreateTable.php
+++ b/src/Query/CreateTable.php
@@ -25,10 +25,10 @@
  */
 class CreateTable extends Statement implements Query, IfNotExists{
 
-	protected bool $temp = false;
-	protected string|null  $primaryKey = null;
-	protected array $cols = [];
-	protected string|null  $dir = null;
+	protected bool        $temp       = false;
+	protected string|null $primaryKey = null;
+	protected array       $cols       = [];
+	protected string|null $dir        = null;
 
 	public function name(string $name):static{
 		return $this->setName($name);
@@ -42,7 +42,6 @@ public function ifNotExists():static{
 		return $this->setIfNotExists();
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 		return $this->dialect->createTable($this->name, $this->cols, $this->primaryKey, $this->ifNotExists, $this->temp, $this->dir);
 	}
@@ -60,7 +59,17 @@ public function primaryKey(string $field, string|null $dir = null):static{
 		return $this;
 	}
 
-	public function field(string $name, string $type, mixed $length = null, string|null $attribute = null, string|null $collation = null, bool|null $isNull = null, string|null $defaultType = null, mixed $defaultValue = null, string|null $extra = null):static{
+	public function field(
+		string      $name,
+		string      $type,
+		mixed       $length = null,
+		string|null $attribute = null,
+		string|null $collation = null,
+		bool|null   $isNull = null,
+		string|null $defaultType = null,
+		mixed       $defaultValue = null,
+		string|null $extra = null,
+	):static{
 
 		if(is_scalar($defaultValue) && $defaultType === null){
 			$defaultType = 'USER_DEFINED';
@@ -78,39 +87,39 @@ public function enum(string $name, array $values, mixed $defaultValue = null, bo
 	}
 
 	public function tinyint(string $name, int|null $length = null, mixed $defaultValue = null, bool|null $isNull = null, string|null $attribute = null):static{
-		return $this->field($name, 'TINYINT', $length, $attribute, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'TINYINT', length: $length, attribute: $attribute, isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function int(string $name, int|null $length = null, mixed $defaultValue = null, bool|null $isNull = null, string|null $attribute = null):static{
-		return $this->field($name, 'INT', $length, $attribute, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'INT', length: $length, attribute: $attribute, isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function bigint(string $name, int|null $length = null, mixed $defaultValue = null, bool|null $isNull = null, string|null $attribute = null):static{
-		return $this->field($name, 'BIGINT', $length, $attribute, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'BIGINT', length: $length, attribute: $attribute, isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function varchar(string $name, int $length, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'VARCHAR', $length, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'VARCHAR', length: $length, isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function decimal(string $name, string $length, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'DECIMAL', $length, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'DECIMAL', length: $length, isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function tinytext(string $name, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'TINYTEXT', null, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'TINYTEXT', isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function text(string $name, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'TEXT', null, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'TEXT', isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function mediumtext(string $name, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'MEDIUMTEXT', null, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'MEDIUMTEXT', isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 	public function longtext(string $name, mixed $defaultValue = null, bool|null $isNull = null):static{
-		return $this->field($name, 'LONGTEXT', null, null, null, $isNull, null, $defaultValue);
+		return $this->field(name: $name, type: 'LONGTEXT', isNull: $isNull, defaultValue: $defaultValue);
 	}
 
 }
diff --git a/src/Query/Delete.php b/src/Query/Delete.php
index 020d758..24da222 100644
--- a/src/Query/Delete.php
+++ b/src/Query/Delete.php
@@ -24,7 +24,7 @@ public function from(string $name):static{
 		return $this->setName($name);
 	}
 
-	public function where($val1, $val2 = null, string|null $operator = null, bool|null $bind = null, string|null $join = null):static{
+	public function where(mixed $val1, mixed $val2 = null, string|null $operator = null, bool|null $bind = null, string|null $join = null):static{
 		return $this->setWhere($val1, $val2, $operator, $bind, $join);
 	}
 
@@ -44,9 +44,8 @@ public function offset(int $offset):static{
 		return $this->setOffset($offset);
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
-		return $this->dialect->delete($this->name, $this->_getWhere());
+		return $this->dialect->delete($this->name, $this->getWhere());
 	}
 
 }
diff --git a/src/Query/Insert.php b/src/Query/Insert.php
index f05e3d6..b96851f 100644
--- a/src/Query/Insert.php
+++ b/src/Query/Insert.php
@@ -42,7 +42,6 @@ public function values(iterable $values):static{
 		return $this;
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 
 		if(empty($this->bindValues)){
diff --git a/src/Query/Query.php b/src/Query/Query.php
index 2988d47..167a2e7 100644
--- a/src/Query/Query.php
+++ b/src/Query/Query.php
@@ -13,17 +13,9 @@
 
 interface Query{
 
-	/**
-	 * @param bool|null $multi
-	 *
-	 * @return string
-	 */
 	public function sql(bool|null $multi = null):string;
 
 	/**
-	 * @param string|null $index
-	 *
-	 * @return \chillerlan\Database\Result|bool
 	 * @throws \chillerlan\Database\Query\QueryException
 	 */
 	public function query(string|null $index = null);
diff --git a/src/Query/Select.php b/src/Query/Select.php
index 5fe5069..8e35870 100644
--- a/src/Query/Select.php
+++ b/src/Query/Select.php
@@ -23,11 +23,11 @@
  */
 class Select extends Statement implements Where, Limit, BindValues, Query, CachedQuery{
 
-	protected bool $distinct = false;
-	protected array $cols = [];
-	protected array $from = [];
-	protected array $orderby = [];
-	protected array $groupby = [];
+	protected bool  $distinct = false;
+	protected array $cols     = [];
+	protected array $from     = [];
+	protected array $orderby  = [];
+	protected array $groupby  = [];
 
 	public function where(mixed $val1, mixed $val2 = null, string|null $operator = null, bool|null $bind = null, string|null $join = null):static{
 		return $this->setWhere($val1, $val2, $operator, $bind, $join);
@@ -53,14 +53,13 @@ public function cached(int|null $ttl = null):static{
 		return $this->setCached($ttl);
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 
 		if(empty($this->from)){
 			throw new QueryException('no FROM expression specified');
 		}
 
-		return $this->dialect->select($this->cols, $this->from, $this->_getWhere(), $this->limit, $this->offset, $this->distinct, $this->groupby, $this->orderby);
+		return $this->dialect->select($this->cols, $this->from, $this->getWhere(), $this->limit, $this->offset, $this->distinct, $this->groupby, $this->orderby);
 	}
 
 	public function distinct():static{
@@ -102,7 +101,7 @@ public function count():int{
 			throw new QueryException('no FROM expression specified');
 		}
 
-		$sql    = $this->dialect->selectCount($this->from, $this->_getWhere(), $this->distinct, $this->groupby);
+		$sql    = $this->dialect->selectCount($this->from, $this->getWhere(), $this->distinct, $this->groupby);
 		$result = $this->db->prepared(implode(' ', $sql), $this->bindValues);
 
 		if($result instanceof ResultInterface && $result->count() > 0){
diff --git a/src/Query/ShowCreateTable.php b/src/Query/ShowCreateTable.php
index 838e8a7..cf623b2 100644
--- a/src/Query/ShowCreateTable.php
+++ b/src/Query/ShowCreateTable.php
@@ -17,7 +17,6 @@ public function name(string $name):static{
 		return $this->setName($name);
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 		return $this->dialect->showCreateTable($this->name);
 	}
diff --git a/src/Query/ShowDatabases.php b/src/Query/ShowDatabases.php
index 88f6a8f..f684a77 100644
--- a/src/Query/ShowDatabases.php
+++ b/src/Query/ShowDatabases.php
@@ -13,7 +13,6 @@
 
 class ShowDatabases extends Statement implements Query{
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 		return $this->dialect->showDatabases(); // @todo? WHERE
 	}
diff --git a/src/Query/ShowTables.php b/src/Query/ShowTables.php
index 6d4c0cd..4af5973 100644
--- a/src/Query/ShowTables.php
+++ b/src/Query/ShowTables.php
@@ -33,9 +33,8 @@ public function closeBracket():static{
 		return $this->setCloseBracket();
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
-		return $this->dialect->showTables($this->name, $this->pattern, $this->_getWhere());
+		return $this->dialect->showTables($this->name, $this->pattern, $this->getWhere());
 	}
 
 	public function pattern(string $pattern):static{
diff --git a/src/Query/Statement.php b/src/Query/Statement.php
index 5ac061b..3042ff9 100644
--- a/src/Query/Statement.php
+++ b/src/Query/Statement.php
@@ -60,7 +60,6 @@ public function __construct(DriverInterface $db, Dialect $dialect, LoggerInterfa
 		$this->logger  = $logger;
 	}
 
-	/** */
 	protected function setName(string $name):static{
 		$this->name = trim($name);
 
@@ -71,7 +70,6 @@ protected function setName(string $name):static{
 		return $this;
 	}
 
-	/** */
 	protected function setOnConflict(string $name, string|null $on_conflict = null, string|null $conflict_target = null):static{
 		$this->name      = trim($name);
 		$on_conflict     = trim(strtoupper($on_conflict ?? ''));
@@ -92,30 +90,24 @@ protected function setOnConflict(string $name, string|null $on_conflict = null,
 		return $this;
 	}
 
-	/** */
 	protected function setCharset(string $charset):static{
 		$this->charset = trim($charset);
 
 		return $this;
 	}
 
-	/** */
 	protected function setIfExists():static{
 		$this->ifExists = true;
 
 		return $this;
 	}
 
-	/** */
 	protected function setIfNotExists():static{
 		$this->ifNotExists = true;
 
 		return $this;
 	}
 
-	/**
-	 *
-	 */
 	protected function setWhere(mixed $val1, mixed $val2, string|null $operator = null, bool|null $bind = null, string|null $join = null):static{
 		$operator = $operator !== null ? strtoupper(trim($operator)) : '=';
 		$bind     ??= true;
@@ -139,7 +131,7 @@ protected function setWhere(mixed $val1, mixed $val2, string|null $operator = nu
 						$this->bindValues = array_merge($this->bindValues, $val2);
 					}
 					else{
-						$where[] = $operator.'('.implode(',', array_map([$this->db, 'escape'], $val2)).')'; // @todo: quote
+						$where[] = $operator.'('.implode(',', array_map($this->db->escape(...), $val2)).')'; // @todo: quote
 					}
 
 				}
@@ -199,7 +191,6 @@ protected function setWhere(mixed $val1, mixed $val2, string|null $operator = nu
 		return $this;
 	}
 
-	/** */
 	protected function setOpenBracket(string|null $join = null):static{
 		$join = strtoupper(trim($join ?? ''));
 
@@ -212,15 +203,13 @@ protected function setOpenBracket(string|null $join = null):static{
 		return $this;
 	}
 
-	/** */
 	protected function setCloseBracket():static{
 		$this->where[] = ')';
 
 		return $this;
 	}
 
-	/** */
-	protected function _getWhere():string{
+	protected function getWhere():string{
 		$where    = [];
 		$joinArgs = array_merge($this->joinArgs, ['(', ')']);
 
@@ -320,26 +309,22 @@ public function getBindValues():array{
 		return $this->bindValues;
 	}
 
-	/** */
 	protected function addBindValue(int|string $key, mixed $value):void{
 		$this->bindValues[$key] = $value;
 	}
 
-	/** */
 	protected function setLimit(int $limit):static{
 		$this->limit = max($limit, 0);
 
 		return $this;
 	}
 
-	/** */
 	protected function setOffset(int $offset):static{
 		$this->offset = max($offset, 0);
 
 		return $this;
 	}
 
-	/** */
 	protected function setCached(int|null $ttl = null):static{
 		$this->cached = true;
 
diff --git a/src/Query/Truncate.php b/src/Query/Truncate.php
index 61eea1c..0425fc0 100644
--- a/src/Query/Truncate.php
+++ b/src/Query/Truncate.php
@@ -22,7 +22,6 @@ public function table(string $name):static{
 		return $this->setName($name);
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 		return $this->dialect->truncate($this->name);
 	}
diff --git a/src/Query/Update.php b/src/Query/Update.php
index b7203dc..253b9da 100644
--- a/src/Query/Update.php
+++ b/src/Query/Update.php
@@ -48,14 +48,13 @@ public function offset(int $offset):static{
 		return $this->setOffset($offset);
 	}
 
-	/** @inheritdoc */
 	protected function getSQL():array{
 
 		if(empty($this->set)){
 			throw new QueryException('no fields to update specified');
 		}
 
-		return $this->dialect->update($this->name, $this->set, $this->_getWhere());
+		return $this->dialect->update($this->name, $this->set, $this->getWhere());
 	}
 
 	public function set(array $set, bool|null $bind = null):static{
diff --git a/src/Query/Where.php b/src/Query/Where.php
index 28985e7..c86bb8d 100644
--- a/src/Query/Where.php
+++ b/src/Query/Where.php
@@ -18,13 +18,6 @@
  */
 interface Where{
 
-	/**
-	 * @param mixed       $val1
-	 * @param mixed       $val2
-	 * @param string|null $operator
-	 * @param bool|null   $bind
-	 * @param string|null $join
-	 */
 	public function where(mixed $val1, mixed $val2 = null, string|null $operator = null, bool|null $bind = null, string|null $join = null):static;
 
 	public function openBracket(string|null $join = null):static;