Revert "Optimised keyedColumn() and map() for MySQLQuery"

src/ORM/Connect/MySQLQuery.php

@@ -60,40 +60,4 @@ class MySQLQuery extends Query
             return false;
         }
     }
-
-    /**
-     * Return an array containing all values in the leftmost column, where the keys are the
-     * same as the values.
-     *
-     * @return array
-     */
-    public function keyedColumn()
-    {
-        $column = [];
-        if (is_object($this->handle)) {
-            foreach ($this->handle->fetch_all(MYSQLI_ASSOC) as $record) {
-                $val = $record[key($record)];
-                $column[$val] = $val;
-            }
-        }
-        return $column;
-    }
-
-    /**
-     * Return a map from the first column to the second column.
-     *
-     * @return array
-     */
-    public function map()
-    {
-        $column = [];
-        if (is_object($this->handle)) {
-            foreach ($this->handle->fetch_all(MYSQLI_ASSOC) as $record) {
-                $key = reset($record);
-                $val = next($record);
-                $column[$key] = $val;
-            }
-        }
-        return $column;
-    }
 }

tests/php/ORM/DataQueryTest.php

@@ -336,24 +336,6 @@ class DataQueryTest extends SapphireTest
         $this->resetDBSchema(true);
     }
 
-    public function testMap()
-    {
-        $fixtures = DataQueryTest\ObjectC::get();
-        $expected = array();
-        foreach ($fixtures as $fixture) {
-            $expected[$fixture->ID] = $fixture->Title;
-            $fixture->destroy();
-        }
-        $result = DB::query("SELECT \"ID\", \"Title\" FROM \"DataQueryTest_C\"")->map();
-        $this->assertEquals($expected, $result);
-    }
-
-    public function testKeyedColumn()
-    {
-        $result = DB::query("SELECT \"Title\" FROM \"DataQueryTest_C\"")->keyedColumn();
-        $this->assertEquals(['First' => 'First', 'Second' => 'Second', 'Last' => 'Last'], $result);
-    }
-
     /**
      * Tests that getFinalisedQuery can include all tables
      */