Add stub methods for enabling/disabling foreign keys

cakephp · Sep 4, 2014 · 5de8eee · 5de8eee
1 parent be8b966
commit 5de8eee
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Showing 6 changed files with 80 additions and 0 deletions.
diff --git a/src/Database/Connection.php b/src/Database/Connection.php
@@ -469,6 +469,24 @@ public function rollbackSavepoint($name) {
 		$this->execute($this->_driver->rollbackSavePointSQL($name));
 	}
 
+/**
+ * Run driver specific SQL to disable foreign key checks.
+ *
+ * @return void
+ */
+	public function disableForeignKeys() {
+		$this->execute($this->_driver->disableForeignKeySql());
+	}
+
+/**
+ * Run driver specific SQL to enable foreign key checks.
+ *
+ * @return void
+ */
+	public function enableForeignKeys() {
+		$this->execute($this->_driver->enableForeignKeySql());
+	}
+
 /**
  * Executes a callable function inside a transaction, if any exception occurs
  * while executing the passed callable, the transaction will be rolled back

diff --git a/src/Database/Dialect/MysqlDialectTrait.php b/src/Database/Dialect/MysqlDialectTrait.php
@@ -62,4 +62,16 @@ public function schemaDialect() {
 		return $this->_schemaDialect;
 	}
 
+/**
+ * {@inheritDoc}
+ */
+	public function disableForeignKeySQL() {
+	}
+
+/**
+ * {@inheritDoc}
+ */
+	public function enableForeignKeySQL() {
+	}
+
 }
diff --git a/src/Database/Dialect/PostgresDialectTrait.php b/src/Database/Dialect/PostgresDialectTrait.php
@@ -136,4 +136,16 @@ public function schemaDialect() {
 		}
 		return $this->_schemaDialect;
 	}
+
+/**
+ * {@inheritDoc}
+ */
+	public function disableForeignKeySQL() {
+	}
+
+/**
+ * {@inheritDoc}
+ */
+	public function enableForeignKeySQL() {
+	}
 }
diff --git a/src/Database/Dialect/SqliteDialectTrait.php b/src/Database/Dialect/SqliteDialectTrait.php
@@ -159,4 +159,16 @@ public function schemaDialect() {
 		return $this->_schemaDialect;
 	}
 
+/**
+ * {@inheritDoc}
+ */
+	public function disableForeignKeySQL() {
+	}
+
+/**
+ * {@inheritDoc}
+ */
+	public function enableForeignKeySQL() {
+	}
+
 }
diff --git a/src/Database/Dialect/SqlserverDialectTrait.php b/src/Database/Dialect/SqlserverDialectTrait.php
@@ -233,4 +233,16 @@ public function newCompiler() {
 		return new SqlserverCompiler();
 	}
 
+/**
+ * {@inheritDoc}
+ */
+	public function disableForeignKeySQL() {
+	}
+
+/**
+ * {@inheritDoc}
+ */
+	public function enableForeignKeySQL() {
+	}
+
 }
diff --git a/src/Database/Driver.php b/src/Database/Driver.php
@@ -144,6 +144,20 @@ public abstract function savePointSQL($name);
  */
 	public abstract function rollbackSavePointSQL($name);
 
+/**
+ * Get the SQL for disabling foreign keys
+ *
+ * @return string
+ */
+	public abstract function disableForeignKeySQL();
+
+/**
+ * Get the SQL for enabling foreign keys
+ *
+ * @return string
+ */
+	public abstract function enableForeignKeySQL();
+
 /**
  * Returns whether this driver supports save points for nested transactions
  *