Spanner/src/Transaction.php
public function delete($table, KeySet $keySet)
    {
        $this->enqueue(Operation::OP_DELETE, $table, [$keySet]);

        return $this;
    }
public function delete($table, KeySet $keySet)
    {
        $this->enqueue(Operation::OP_DELETE, $table, [$keySet]);

        return $this;
    }
public function delete ( $ table , KeySet $ keySet ) { $ this -> enqueue ( Operation :: OP_DELETE , $ table , [ $ keySet ] ) ; return $ this ; }
Enqueue an delete mutation.

Example:
```
$keySet = new KeySet([
'keys' => [10]
]);

$transaction->delete('Posts', $keySet);
```

@param string $table The table to mutate.
@param KeySet $keySet The KeySet to identify rows to delete.
@return Transaction The transaction, to enable method chaining.
Enqueue an delete mutation .