Support for BOOLEAN column type

src/DataIntegrity.php

@@ -251,6 +251,9 @@ public static function coerceValueToColumn(
 
                 return (string) $value;
 
+            case 'boolean':
+                return (int) $value;
+
             default:
                 throw new \Exception(
                     "DataIntegrity::coerceValueToSchema found unknown type for field: '{$php_type}'"

src/DataType.php

@@ -37,6 +37,7 @@ final class DataType
     const TIMESTAMP = 'TIMESTAMP';
     const DECIMAL = 'DECIMAL';
     const NUMERIC = 'NUMERIC';
+    const BOOLEAN = 'BOOLEAN';
 
     private function __construct()
     {

src/Parser/CreateTableParser.php

@@ -478,6 +478,7 @@ public static function parseFieldType(array &$tokens, bool $allowArbitaryType =
             case 'BLOB':
             case 'MEDIUMBLOB':
             case 'LONGBLOB':
+            case 'BOOLEAN':
                 break;
             case 'TINYINT':
             case 'SMALLINT':

src/Processor/CreateProcessor.php

@@ -147,6 +147,7 @@ private static function getDefinitionColumn(Query\MysqlColumnType $stmt) : Colum
             case DataType::BIT:
             case DataType::MEDIUMINT:
             case DataType::BIGINT:
+            case DataType::BOOLEAN:
                 if ($stmt->null === null) {
                     $stmt->null = true;
                 }
@@ -248,6 +249,8 @@ private static function getIntegerDefinitionColumn(Query\MysqlColumnType $stmt)
         $display_width = (int) $stmt->length;
 
         switch (strtoupper($stmt->type)) {
+            case DataType::BOOLEAN:
+                return new Column\Boolean($unsigned, $display_width);
             case DataType::TINYINT:
                 return new Column\TinyInt($unsigned, $display_width);
 

src/Schema/Column/Boolean.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Vimeo\MysqlEngine\Schema\Column;
+
+class Boolean extends \Vimeo\MysqlEngine\Schema\Column implements NumberColumn, Defaultable
+{
+    use MySqlDefaultTrait;
+
+    /**
+     * @return int
+     */
+    public function getMaxValue()
+    {
+        return 1;
+    }
+
+    /**
+     * @return int
+     */
+    public function getMinValue()
+    {
+        return 0;
+    }
+
+    public function getPhpType(): string
+    {
+        return 'boolean';
+    }
+
+    public function getPhpCode(): string
+    {
+        $default = '';
+
+        if ($this instanceof Defaultable && $this->hasDefault()) {
+            $default = '->setDefault('
+                . ($this->getDefault() === null
+                    ? 'null'
+                    : '\'' . $this->getDefault() . '\'')
+                . ')';
+        }
+
+        $output = '(new \\' . static::class . '('
+            . ($this->unsigned ? 'true' : 'false')
+            . ', ' . $this->integer_display_width
+            . '))'
+            . $default
+            . $this->getNullablePhp();
+
+        var_export($output);
+        return $output;
+    }
+}

tests/EndToEndTest.php

@@ -1092,6 +1092,24 @@ public function testSelectNullableFields()
         );
     }
 
+    public function testBoolean()
+    {
+        $pdo = self::getConnectionToFullDB(false, false);
+
+        $query = $pdo->prepare("SELECT `id`, `enabled` FROM `enemies`");
+        $query->execute();
+
+        $this->assertSame(
+            [
+                ['id' => 1, 'enabled' => 1],
+                ['id' => 2, 'enabled' => 0],
+                ['id' => 3, 'enabled' => 0],
+                ['id' => 4, 'enabled' => 1]
+            ],
+            $query->fetchAll(\PDO::FETCH_ASSOC)
+        );
+    }
+
     private static function getPdo(string $connection_string, bool $strict_mode = false) : \PDO
     {
         $options = $strict_mode ? [\PDO::MYSQL_ATTR_INIT_COMMAND => 'SET sql_mode="STRICT_ALL_TABLES"'] : [];

tests/fixtures/bulk_enemy_insert.sql

@@ -1,7 +1,7 @@
 INSERT INTO `enemies`
-  (`id`, `character_id`, `enemy_id`)
+  (`id`, `character_id`, `enemy_id`, `enabled`)
 VALUES 
-  (1, 1, 5),
-  (2, 2, 5),
-  (3, 3, 6),
-  (4, 1, 11)
+  (1, 1, 5, true),
+  (2, 2, 5, false),
+  (3, 3, 6, false),
+  (4, 1, 11, true)

tests/fixtures/create_table.sql

@@ -28,6 +28,7 @@ CREATE TABLE `enemies` (
 	`id` int(10) NOT NULL AUTO_INCREMENT,
 	`character_id` int(10) NOT NULL,
 	`enemy_id` int(10) NOT NULL,
+	`enabled` boolean NOT NULL DEFAULT true,
 	PRIMARY KEY (`id`),
 	KEY `character_id` (`character_id`),
 	KEY `enemy_id` (`enemy_id`)