MDEV-13529 Add class Sql_cmd_call

sql/sql_cmd.h

@@ -167,4 +167,33 @@ protected:
   }
 };
 
+
+/**
+  Sql_cmd_call represents the CALL statement.
+*/
+class Sql_cmd_call : public Sql_cmd
+{
+public:
+  class sp_name *m_name;
+  Sql_cmd_call(class sp_name *name)
+   :m_name(name)
+  {}
+
+  virtual ~Sql_cmd_call()
+  {}
+
+  /**
+    Execute a CALL statement at runtime.
+    @param thd the current thread.
+    @return false on success.
+  */
+  bool execute(THD *thd);
+
+  virtual enum_sql_command sql_command_code() const
+  {
+    return SQLCOM_CALL;
+  }
+};
+
+
 #endif // SQL_CMD_INCLUDED