Function wsrep_check_support

sql/sql_table.cc:5167–5206

Additional CREATE TABLE/SEQUENCE checks for Galera cluster. @param thd thread handle @param wsrep_ctas CREATE TABLE AS SELECT ? @param used_engine CREATE TABLE ... ENGINE = ? @param create_info Create information @retval false Galera cluster does support used clause @retval true Galera cluster does not support used clause */

@retval true       Galera cluster does not support used clause
*/
static
bool wsrep_check_support(THD* thd,
                         const bool wsrep_ctas,
                         const bool used_engine,
                         const HA_CREATE_INFO* create_info)
{
  /* CREATE TABLE ... AS SELECT */
  if (wsrep_ctas &&
      thd->variables.wsrep_trx_fragment_size > 0)
  {
    my_message(ER_NOT_ALLOWED_COMMAND,
               "CREATE TABLE AS SELECT is not supported with streaming replication",
               MYF(0));
    return true;
  }
  /* CREATE TABLE .. WITH SYSTEM VERSIONING AS SELECT
     is not supported in Galera cluster.
  */
  if (wsrep_ctas &&
      create_info->versioned())
  {
    my_error(ER_NOT_SUPPORTED_YET, MYF(0),
             "SYSTEM VERSIONING AS SELECT in Galera cluster");
    return true;
  }
  /*
    CREATE TABLE ... ENGINE=SEQUENCE is not supported in
    Galera cluster.
    CREATE SEQUENCE ... ENGINE=xxx Galera cluster supports
    only InnoDB-sequences.
  */
  if (((used_engine && create_info->db_type &&
       (create_info->db_type->db_type == DB_TYPE_SEQUENCE ||
        create_info->db_type->db_type >= DB_TYPE_FIRST_DYNAMIC)) ||
       thd->lex->sql_command == SQLCOM_CREATE_SEQUENCE) &&
      wsrep_check_sequence(thd, create_info->seq_create_info, used_engine))
    return true;

  return false;
}
#endif /* WITH_WSREP */

/**