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/** @file api/api0misc.cc
 InnoDB Native API

 2008-08-01 Created by Sunny Bains
 3/20/2011 Jimmy Yang extracted from Embedded InnoDB
 *******************************************************/

#include "api0misc.h"
#include "dict0dict.h"
#include "dict0mem.h"
#include "ha_prototypes.h"
#include "lock0lock.h"

#include "pars0pars.h"
#include "row0sel.h"
#include "srv0srv.h"
#include "trx0roll.h"

/** Sets a lock on a table.
 @return error code or DB_SUCCESS */
dberr_t ib_trx_lock_table_with_retry(
    trx_t *trx,          /*!< in/out: transaction */
    dict_table_t *table, /*!< in: table to lock */
    enum lock_mode mode) /*!< in: LOCK_X or LOCK_S */
{
  trx->op_info = "setting table lock";

  return (lock_table_for_trx(table, trx, mode));
}
/* Handles user errors and lock waits detected by the database engine.
@param[out]	new_err	possible new error encountered in lock wait, or if no
new error, the value of trx->error_state at the entry of this function
@param[in]	trx	transaction
@param[in]	thr	query thread
@param[in]	savept	savepoint or NULL
@param[in]	is_sdi	true if table is SDI
@return TRUE if it was a lock wait and we should continue running
the query thread. */
ibool ib_handle_errors(dberr_t *new_err, trx_t *trx, que_thr_t *thr,
                       trx_savept_t *savept, bool is_sdi) {
  dberr_t err;
handle_new_error:
  err = trx->error_state;

  ut_a(err != DB_SUCCESS);

  trx->error_state = DB_SUCCESS;

  switch (err) {
    case DB_LOCK_WAIT_TIMEOUT:
      if (!is_sdi) {
        trx_rollback_for_mysql(trx);
      }
      break;
      /* fall through */
    case DB_DUPLICATE_KEY:
    case DB_FOREIGN_DUPLICATE_KEY:
    case DB_TOO_BIG_RECORD:
    case DB_ROW_IS_REFERENCED:
    case DB_NO_REFERENCED_ROW:
    case DB_CANNOT_ADD_CONSTRAINT:
    case DB_TOO_MANY_CONCURRENT_TRXS:
    case DB_OUT_OF_FILE_SPACE:
      if (savept) {
        /* Roll back the latest, possibly incomplete
        insertion or update */

        trx_rollback_to_savepoint(trx, savept);
      }
      break;
    case DB_LOCK_WAIT:
      lock_wait_suspend_thread(thr);

      if (trx->error_state != DB_SUCCESS) {
        que_thr_stop_for_mysql(thr);

        goto handle_new_error;
      }

      *new_err = err;

      return (TRUE); /* Operation needs to be retried. */

    case DB_DEADLOCK:
    case DB_LOCK_TABLE_FULL:
      /* Roll back the whole transaction; this resolution was added
      to version 3.23.43 */
      ut_ad(!is_sdi);
      trx_rollback_for_mysql(trx);
      break;

    case DB_MUST_GET_MORE_FILE_SPACE:

      ut_error;

    case DB_CORRUPTION:
    case DB_FOREIGN_EXCEED_MAX_CASCADE:
      break;
    default:
      ut_error;
  }

  if (trx->error_state != DB_SUCCESS) {
    *new_err = trx->error_state;
  } else {
    *new_err = err;
  }

  trx->error_state = DB_SUCCESS;

  return (FALSE);
}