character and collation not needed for some columns on change

Author: taylorotwell

src/Illuminate/Database/Schema/Grammars/ChangeColumn.php

@@ -121,7 +121,7 @@ protected static function getDoctrineColumnChangeOptions(Fluent $fluent)
             $options['length'] = static::calculateDoctrineTextLength($fluent['type']);
         }
 
-        if (in_array($fluent['type'], ['json', 'binary'])) {
+        if (static::doesntNeedCharacterOptions($fluent['type'])) {
             $options['customSchemaOptions'] = [
                 'collation' => '',
                 'charset' => '',
@@ -178,6 +178,30 @@ protected static function calculateDoctrineTextLength($type)
         }
     }
 
+    /**
+     * Determine if the given type does not need character / collation options.
+     *
+     * @param  string  $type
+     * @return bool
+     */
+    protected static function doesntNeedCharacterOptions($type)
+    {
+        return in_array($type, [
+            'bigInteger',
+            'binary',
+            'date',
+            'decimal',
+            'double',
+            'float',
+            'integer',
+            'json',
+            'mediumInteger',
+            'smallInteger',
+            'time',
+            'tinyInteger',
+        ]);
+    }
+
     /**
      * Get the matching Doctrine option for a given Fluent attribute name.
      *

tests/Database/DatabaseSchemaBlueprintIntegrationTest.php

@@ -60,7 +60,7 @@ public function testRenamingAndChangingColumnsWork()
         $expected = [
             'CREATE TEMPORARY TABLE __temp__users AS SELECT name, age FROM users',
             'DROP TABLE users',
-            'CREATE TABLE users (name VARCHAR(255) NOT NULL COLLATE BINARY, age INTEGER NOT NULL COLLATE BINARY)',
+            'CREATE TABLE users (name VARCHAR(255) NOT NULL COLLATE BINARY, age INTEGER NOT NULL)',
             'INSERT INTO users (name, age) SELECT name, age FROM __temp__users',
             'DROP TABLE __temp__users',
             'CREATE TEMPORARY TABLE __temp__users AS SELECT name, age FROM users',
@@ -266,7 +266,7 @@ public function testAddUniqueIndexWithNameWorks()
         $expected = [
             'CREATE TEMPORARY TABLE __temp__users AS SELECT name FROM users',
             'DROP TABLE users',
-            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL COLLATE BINARY)',
+            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL)',
             'INSERT INTO users (name) SELECT name FROM __temp__users',
             'DROP TABLE __temp__users',
             'alter table "users" add constraint "index1" unique ("name")',
@@ -283,7 +283,7 @@ public function testAddUniqueIndexWithNameWorks()
         $expected = [
             'CREATE TEMPORARY TABLE __temp__users AS SELECT name FROM users',
             'DROP TABLE users',
-            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL COLLATE BINARY)',
+            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL)',
             'INSERT INTO users (name) SELECT name FROM __temp__users',
             'DROP TABLE __temp__users',
             'create unique index "index1" on "users" ("name")',
@@ -300,7 +300,7 @@ public function testAddUniqueIndexWithNameWorks()
         $expected = [
             'CREATE TEMPORARY TABLE __temp__users AS SELECT name FROM users',
             'DROP TABLE users',
-            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL COLLATE BINARY)',
+            'CREATE TABLE users (name INTEGER UNSIGNED DEFAULT NULL)',
             'INSERT INTO users (name) SELECT name FROM __temp__users',
             'DROP TABLE __temp__users',
             'create unique index "index1" on "users" ("name")',

tests/Integration/Database/SchemaBuilderTest.php

@@ -56,7 +56,7 @@ public function testRegisterCustomDoctrineType()
         $expected = [
             'CREATE TEMPORARY TABLE __temp__test AS SELECT test_column FROM test',
             'DROP TABLE test',
-            'CREATE TABLE test (test_column TINYINT NOT NULL COLLATE BINARY)',
+            'CREATE TABLE test (test_column TINYINT NOT NULL)',
             'INSERT INTO test (test_column) SELECT test_column FROM __temp__test',
             'DROP TABLE __temp__test',
         ];