From 1d315f5e6c61297bb30201fc380b2260acf3ca2c Mon Sep 17 00:00:00 2001
From: Vitalii <vitalcrazz@users.noreply.github.com>
Date: Wed, 13 Jan 2021 13:30:09 +0300
Subject: [PATCH] Add factory method for Column (#35)

---
 src/Query/BaseBuilder.php | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/Query/BaseBuilder.php b/src/Query/BaseBuilder.php
index a4b8447..1476ff3 100644
--- a/src/Query/BaseBuilder.php
+++ b/src/Query/BaseBuilder.php
@@ -227,6 +227,16 @@ public function addSelect(...$columns)
         return $this;
     }
 
+    /**
+     * A factory method for Column.
+     *
+     * @return Column
+     */
+    protected function makeColumn(): Column
+    {
+        return new Column($this);
+    }
+
     /**
      * Prepares columns given by user to Column objects.
      *
@@ -242,7 +252,7 @@ protected function processColumns(array $columns, bool $withAliases = true): arr
         foreach ($columns as $column => $value) {
             if ($value instanceof Closure) {
                 $columnName = $column;
-                $column = (new Column($this));
+                $column = $this->makeColumn();
 
                 if (!is_int($columnName)) {
                     $column->name($columnName);
@@ -257,7 +267,7 @@ protected function processColumns(array $columns, bool $withAliases = true): arr
 
             if ($value instanceof BaseBuilder) {
                 $alias = is_string($column) ? $column : null;
-                $column = (new Column($this))->query($value);
+                $column = $this->makeColumn()->query($value);
 
                 if (!is_null($alias) && $withAliases) {
                     $column->as($alias);
@@ -272,7 +282,7 @@ protected function processColumns(array $columns, bool $withAliases = true): arr
             if (!$column instanceof Column) {
                 $alias = is_string($value) ? $value : null;
 
-                $column = (new Column($this))->name($column);
+                $column = $this->makeColumn()->name($column);
 
                 if (!is_null($alias) && $withAliases) {
                     $column->as($alias);