int mariadb_stmt_execute_direct(MYSQL_STMT * stmt, const char *query, size_t length);
  • stmt - A statement handle, which was previously allocated by mysql_stmt_init().
  • query SQL statement
  • length Length of SQL statement


Prepares and executes a statement which was previously allocated by mysql_stmt_init(), using the current values of the parameter variables if any parameters exist in the statement.

Returns zero on success, non-zero on failure.

This function was added in Connector/C 3.0 and requires MariaDB 10.2 or later versions.

  • Since the number of parameter of the statement is unknown before execution it is mandatory to set the number of parameters via the mysql_stmt_attr_set() function.
  • If the SQL statement is a zero-terminated string, you can also pass -1 as length.
  • The statement handle is intended for one-time execution. Reusing the statement handle might lead to unexpected behavior.

See Also


static int execute_direct_example(MYSQL *mysql)
  MYSQL_STMT *stmt= mysql_stmt_init(mysql);
  MYSQL_BIND bind[2];
  int intval= 1;
  int param_count= 2;
  char *strval= "execute_direct_example";

  /* Direct execution without parameters */
  if (mariadb_stmt_execute_direct(stmt, "CREATE TABLE execute_direct (a int, b varchar(30))", -1))
    goto error;

  memset(&bind, 0, sizeof(MYSQL_BIND) * 2);
  bind[0].buffer_type= MYSQL_TYPE_SHORT;
  bind[0].buffer= &intval;
  bind[1].buffer_type= MYSQL_TYPE_STRING;
  bind[1].buffer= strval;
  bind[1].buffer_length= strlen(strval);

  /* set number of parameters */
  if (mysql_stmt_attr_set(stmt, STMT_ATTR_PREBIND_PARAMS, &param_count))
    goto error;

  /* bind parameters */
  if (mysql_stmt_bind_param(stmt, bind))
    goto error;

  if (mariadb_stmt_execute_direct(stmt, "INSERT INTO execute_direct VALUES (?,?)", -1))
    goto error;

  return 0;
  printf("Error: %s\n", mysql_stmt_error(stmt));
  return 1;


Comments loading...
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.