Add support for composite FK to cubrid

framework/yii/db/cubrid/Schema.php

@@ -148,12 +148,16 @@ class Schema extends \yii\db\Schema
 
 			$foreignKeys = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
 			foreach($foreignKeys as $key) {
-				$table->foreignKeys[] = array(
+				if (isset($table->foreignKeys[$key['FK_NAME']])) {
+					$table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
+				} else {
+					$table->foreignKeys[$key['FK_NAME']] = array(
 						$key['PKTABLE_NAME'],
 						$key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME']
-					// TODO support composite foreign keys
 					);
 				}
+			}
+			$table->foreignKeys = array_values($table->foreignKeys);
 
 			return $table;
 		} else {

tests/unit/data/cubrid.sql

@@ -3,6 +3,7 @@
  * The database setup in config.php is required to perform then relevant tests:
  */
 
+DROP TABLE IF EXISTS tbl_composite_fk;
 DROP TABLE IF EXISTS tbl_order_item;
 DROP TABLE IF EXISTS tbl_item;
 DROP TABLE IF EXISTS tbl_order;
@@ -76,6 +77,14 @@ CREATE TABLE `tbl_type` (
   `bool_col2` smallint DEFAULT 1
 );
 
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
 INSERT INTO tbl_customer (email, name, address, status) VALUES ('user1@example.com', 'user1', 'address1', 1);
 INSERT INTO tbl_customer (email, name, address, status) VALUES ('user2@example.com', 'user2', 'address2', 1);
 INSERT INTO tbl_customer (email, name, address, status) VALUES ('user3@example.com', 'user3', 'address3', 2);

tests/unit/data/mysql.sql

@@ -3,6 +3,7 @@
  * The database setup in config.php is required to perform then relevant tests:
  */
 
+DROP TABLE IF EXISTS tbl_composite_fk CASCADE;
 DROP TABLE IF EXISTS tbl_order_item CASCADE;
 DROP TABLE IF EXISTS tbl_item CASCADE;
 DROP TABLE IF EXISTS tbl_order CASCADE;
@@ -62,6 +63,14 @@ CREATE TABLE `tbl_order_item` (
   CONSTRAINT `FK_order_item_item_id` FOREIGN KEY (`item_id`) REFERENCES `tbl_item` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
 CREATE TABLE `tbl_type` (
   `int_col` int(11) NOT NULL,
   `int_col2` int(11) DEFAULT '1',

tests/unit/data/sqlite.sql

@@ -3,6 +3,7 @@
  * The database setup in config.php is required to perform then relevant tests:
  */
 
+DROP TABLE IF EXISTS tbl_composite_fk;
 DROP TABLE IF EXISTS tbl_order_item;
 DROP TABLE IF EXISTS tbl_item;
 DROP TABLE IF EXISTS tbl_order;
@@ -48,6 +49,14 @@ CREATE TABLE tbl_order_item (
   PRIMARY KEY (order_id, item_id)
 );
 
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
 CREATE TABLE tbl_type (
   int_col INTEGER NOT NULL,
   int_col2 INTEGER DEFAULT '1',

tests/unit/framework/db/SchemaTest.php

@@ -56,6 +56,11 @@ class SchemaTest extends DatabaseTestCase
 		}
 	}
 
+	public function testGetNonExistingTableSchema()
+	{
+		$this->assertNull($this->getConnection()->schema->getTableSchema('nonexisting_table'));
+	}
+
 	public function testSchemaCache()
 	{
 		/** @var Schema $schema */
@@ -67,4 +72,18 @@ class SchemaTest extends DatabaseTestCase
 		$cachedTable = $schema->getTableSchema('tbl_type', true);
 		$this->assertEquals($noCacheTable, $cachedTable);
 	}
+
+	public function testCompositeFk()
+	{
+		/** @var Schema $schema */
+		$schema = $this->getConnection()->schema;
+
+		$table = $schema->getTableSchema('tbl_composite_fk');
+
+		$this->assertCount(1, $table->foreignKeys);
+		$this->assertTrue(isset($table->foreignKeys[0]));
+		$this->assertEquals('tbl_order_item', $table->foreignKeys[0][0]);
+		$this->assertEquals('order_id', $table->foreignKeys[0]['order_id']);
+		$this->assertEquals('item_id', $table->foreignKeys[0]['item_id']);
+	}
 }

tests/unit/framework/db/sqlite/SqliteSchemaTest.php

@@ -6,4 +6,9 @@ use yiiunit\framework\db\SchemaTest;
 class SqliteSchemaTest extends SchemaTest
 {
 	protected $driverName = 'sqlite';
+
+	public function testCompositeFk()
+	{
+		$this->markTestSkipped('sqlite does not allow getting enough information about composite FK.');
+	}
 }