Function trans_commit_implicit

sql/transaction.cc:312–361

*/

bool trans_commit_implicit(THD *thd)
{
  bool res= FALSE;
  DBUG_ENTER("trans_commit_implicit");

  if (trans_check(thd))
    DBUG_RETURN(TRUE);

  if (thd->variables.option_bits & OPTION_GTID_BEGIN)
  {
    DBUG_PRINT("error", ("OPTION_GTID_BEGIN is set. "
                         "Master and slave will have different GTID values"));
  }

  if (thd->in_multi_stmt_transaction_mode() ||
      (thd->variables.option_bits & OPTION_TABLE_LOCK))
  {
    PSI_stage_info org_stage;
    thd->backup_stage(&org_stage);
    THD_STAGE_INFO(thd, stage_commit_implicit);

    /* Safety if one did "drop table" on locked tables */
    if (!thd->locked_tables_mode)
      thd->variables.option_bits&= ~OPTION_TABLE_LOCK;
    thd->server_status&=
      ~(SERVER_STATUS_IN_TRANS | SERVER_STATUS_IN_TRANS_READONLY);
    DBUG_PRINT("info", ("clearing SERVER_STATUS_IN_TRANS"));
    res= MY_TEST(ha_commit_trans(thd, TRUE));

    THD_STAGE_INFO(thd, org_stage);
  }

  thd->variables.option_bits&= ~(OPTION_BEGIN | OPTION_BINLOG_THIS_TRX);
  thd->transaction->all.reset();

  /* The transaction should be marked as complete in P_S. */
  DBUG_ASSERT(thd->m_transaction_psi == NULL);

  /*
    Upon implicit commit, reset the current transaction
    isolation level and access mode. We do not care about
    @@session.completion_type since it's documented
    to not have any effect on implicit commit.
  */
  trans_reset_one_shot_chistics(thd);

  trans_track_end_trx(thd);

  DBUG_RETURN(res);
}


/**