[5.6] Better enumeration columns support

src/Illuminate/Database/Grammar.php

@@ -137,6 +137,21 @@ public function parameterize(array $values)
         return implode(', ', array_map([$this, 'parameter'], $values));
     }
 
+    /**
+     * Quote string literals.
+     *
+     * @param  string|array  $value
+     * @return string
+     */
+    public function quote($value)
+    {
+        if (is_array($value)) {
+            return implode(', ', array_map([$this, 'quote'], $value));
+        }
+
+        return "'$value'";
+    }
+
     /**
      * Get the appropriate query parameter place-holder for a value.
      *

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

@@ -542,14 +542,14 @@ protected function typeBoolean(Fluent $column)
     }
 
     /**
-     * Create the column definition for an enum type.
+     * Create the column definition for an enumeration type.
      *
      * @param  \Illuminate\Support\Fluent  $column
      * @return string
      */
     protected function typeEnum(Fluent $column)
     {
-        return "enum('".implode("', '", $column->allowed)."')";
+        return sprintf('enum(%s)', $this->quote($column->allowed));
     }
 
     /**

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

@@ -512,18 +512,18 @@ protected function typeBoolean(Fluent $column)
     }
 
     /**
-     * Create the column definition for an enum type.
+     * Create the column definition for an enumeration type.
      *
      * @param  \Illuminate\Support\Fluent  $column
      * @return string
      */
     protected function typeEnum(Fluent $column)
     {
-        $allowed = array_map(function ($a) {
-            return "'{$a}'";
-        }, $column->allowed);
-
-        return "varchar(255) check (\"{$column->name}\" in (".implode(', ', $allowed).'))';
+        return sprintf(
+            'varchar(255) check ("%s" in (%s))',
+            $column->name,
+            $this->quote($column->allowed)
+        );
     }
 
     /**

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

@@ -502,14 +502,18 @@ protected function typeBoolean(Fluent $column)
     }
 
     /**
-     * Create the column definition for an enum type.
+     * Create the column definition for an enumeration type.
      *
      * @param  \Illuminate\Support\Fluent  $column
      * @return string
      */
     protected function typeEnum(Fluent $column)
     {
-        return 'varchar';
+        return sprintf(
+            'varchar check ("%s" in (%s))',
+            $column->name,
+            $this->quote($column->allowed)
+        );
     }
 
     /**

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

@@ -445,14 +445,18 @@ protected function typeBoolean(Fluent $column)
     }
 
     /**
-     * Create the column definition for an enum type.
+     * Create the column definition for an enumeration type.
      *
      * @param  \Illuminate\Support\Fluent  $column
      * @return string
      */
     protected function typeEnum(Fluent $column)
     {
-        return 'nvarchar(255)';
+        return sprintf(
+            'nvarchar(255) check ("%s" in (%s))',
+            $column->name,
+            $this->quote($column->allowed)
+        );
     }
 
     /**

tests/Database/DatabaseMySqlSchemaGrammarTest.php

@@ -572,11 +572,11 @@ public function testAddingBoolean()
     public function testAddingEnum()
     {
         $blueprint = new Blueprint('users');
-        $blueprint->enum('foo', ['bar', 'baz']);
+        $blueprint->enum('role', ['member', 'admin']);
         $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
 
         $this->assertCount(1, $statements);
-        $this->assertEquals('alter table `users` add `foo` enum(\'bar\', \'baz\') not null', $statements[0]);
+        $this->assertEquals('alter table `users` add `role` enum(\'member\', \'admin\') not null', $statements[0]);
     }
 
     public function testAddingJson()

tests/Database/DatabasePostgresSchemaGrammarTest.php

@@ -432,11 +432,11 @@ public function testAddingBoolean()
     public function testAddingEnum()
     {
         $blueprint = new Blueprint('users');
-        $blueprint->enum('foo', ['bar', 'baz']);
+        $blueprint->enum('role', ['member', 'admin']);
         $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
 
         $this->assertCount(1, $statements);
-        $this->assertEquals('alter table "users" add column "foo" varchar(255) check ("foo" in (\'bar\', \'baz\')) not null', $statements[0]);
+        $this->assertEquals('alter table "users" add column "role" varchar(255) check ("role" in (\'member\', \'admin\')) not null', $statements[0]);
     }
 
     public function testAddingDate()

tests/Database/DatabaseSQLiteSchemaGrammarTest.php

@@ -366,11 +366,11 @@ public function testAddingBoolean()
     public function testAddingEnum()
     {
         $blueprint = new Blueprint('users');
-        $blueprint->enum('foo', ['bar', 'baz']);
+        $blueprint->enum('role', ['member', 'admin']);
         $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
 
         $this->assertCount(1, $statements);
-        $this->assertEquals('alter table "users" add column "foo" varchar not null', $statements[0]);
+        $this->assertEquals('alter table "users" add column "role" varchar check ("role" in (\'member\', \'admin\')) not null', $statements[0]);
     }
 
     public function testAddingJson()

tests/Database/DatabaseSqlServerSchemaGrammarTest.php

@@ -432,11 +432,11 @@ public function testAddingBoolean()
     public function testAddingEnum()
     {
         $blueprint = new Blueprint('users');
-        $blueprint->enum('foo', ['bar', 'baz']);
+        $blueprint->enum('role', ['member', 'admin']);
         $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
 
         $this->assertCount(1, $statements);
-        $this->assertEquals('alter table "users" add "foo" nvarchar(255) not null', $statements[0]);
+        $this->assertEquals('alter table "users" add "role" nvarchar(255) check ("role" in (\'member\', \'admin\')) not null', $statements[0]);
     }
 
     public function testAddingJson()