Add the methods added to the schema dialect to the BaseSchema abstrac…

…t class

src/Database/Schema/BaseSchema.php

@@ -230,6 +230,22 @@ abstract public function createTableSql(Table $table, $columns, $constraints, $i
      */
     abstract public function columnSql(Table $table, $name);
 
+    /**
+     * Generate the SQL queries needed to add foreign key constraints to the table
+     *
+     * @param \Cake\Database\Schema\Table $table The table instance the foreign key constraints are.
+     * @return array SQL fragment.
+     */
+    abstract public function addConstraintSql(Table $table);
+
+    /**
+     * Generate the SQL queries needed to drop foreign key constraints from the table
+     *
+     * @param \Cake\Database\Schema\Table $table The table instance the foreign key constraints are.
+     * @return array SQL fragment.
+     */
+    abstract public function dropConstraintSql(Table $table);
+
     /**
      * Generate the SQL fragments for defining table constraints.
      *

src/Database/Schema/MysqlSchema.php

@@ -389,6 +389,9 @@ public function constraintSql(Table $table, $name)
         return $this->_keySql($out, $data);
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function addConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s ADD %s';
@@ -404,6 +407,9 @@ public function addConstraintSql(Table $table)
         return $sql;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function dropConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s DROP FOREIGN KEY %s';

src/Database/Schema/PostgresSchema.php

@@ -417,7 +417,9 @@ public function columnSql(Table $table, $name)
         return $out;
     }
 
-
+    /**
+     * {@inheritDoc}
+     */
     public function addConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s ADD %s';
@@ -433,6 +435,9 @@ public function addConstraintSql(Table $table)
         return $sql;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function dropConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s DROP CONSTRAINT %s';

src/Database/Schema/SqlserverSchema.php

@@ -365,6 +365,9 @@ public function columnSql(Table $table, $name)
         return $out;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function addConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s ADD %s';
@@ -380,6 +383,9 @@ public function addConstraintSql(Table $table)
         return $sql;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function dropConstraintSql(Table $table)
     {
         $sqlPattern = 'ALTER TABLE %s DROP CONSTRAINT %s';

src/Database/Schema/Table.php

@@ -718,13 +718,25 @@ public function truncateSql(ConnectionInterface $connection)
         return $dialect->truncateTableSql($this);
     }
 
-    public function addConstraintSql(Connection $connection)
+    /**
+     * Generate the SQL statements to add the constraints to the table
+     *
+     * @param \Cake\Datasource\ConnectionInterface $connection The connection to generate SQL for.
+     * @return array SQL to drop a table.
+     */
+    public function addConstraintSql(ConnectionInterface $connection)
     {
         $dialect = $connection->driver()->schemaDialect();
         return $dialect->addConstraintSql($this);
     }
 
-    public function dropConstraintSql(Connection $connection)
+    /**
+     * Generate the SQL statements to drop the constraints to the table
+     *
+     * @param \Cake\Datasource\ConnectionInterface $connection The connection to generate SQL for.
+     * @return array SQL to drop a table.
+     */
+    public function dropConstraintSql(ConnectionInterface $connection)
     {
         $dialect = $connection->driver()->schemaDialect();
         return $dialect->dropConstraintSql($this);