Add per-column sort key direction feature

Author: miguilimzero

src/Schema/Grammar.php

@@ -11,6 +11,7 @@
 use Illuminate\Database\Schema\Grammars\MySqlGrammar;
 use Illuminate\Support\Fluent;
 use Illuminate\Support\Str;
+use InvalidArgumentException;
 use SingleStore\Laravel\Schema\Blueprint as SingleStoreBlueprint;
 use SingleStore\Laravel\Schema\Grammar\CompilesKeys;
 use SingleStore\Laravel\Schema\Grammar\ModifiesColumns;
@@ -185,9 +186,27 @@ protected function compileKey(Blueprint $blueprint, Fluent $command, $type)
      */
     protected function columnizeWithDirection(array $columns, string $direction)
     {
+        if ($columns === array_filter($columns, 'is_array')) {
+            $columnNames = array_map(function ($column) {
+                return $this->wrap($column[0]);
+            }, $columns);
+
+            $columnDirections = array_map(function ($column) {
+                return $column[1];
+            }, $columns);
+
+            return implode(', ', array_map(function ($column, $direction) {
+                return "$column $direction";
+            }, $columnNames, $columnDirections));
+        }
+
         $wrapped = array_map([$this, 'wrap'], $columns);
 
         return implode(', ', array_map(function ($column) use ($direction) {
+            if (is_array($column)) {
+                throw new InvalidArgumentException('You must set the direction for each key column or use the second parameter to set the direction for all key columns');
+            }
+
             return $column.' '.$direction;
         }, $wrapped));
     }