diff options
Diffstat (limited to 'sql/handler.cc')
| -rw-r--r-- | sql/handler.cc | 159 |
1 files changed, 145 insertions, 14 deletions
diff --git a/sql/handler.cc b/sql/handler.cc index 56e7da6430d..63ddb9c6d6e 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -50,6 +50,9 @@ #include "../storage/maria/ha_maria.h" #endif +#include "wsrep_mysqld.h" +#include "wsrep.h" + /* While we have legacy_db_type, we have this array to check for dups and to find handlerton from legacy_db_type. @@ -1165,10 +1168,25 @@ int ha_prepare(THD *thd) { if ((err= ht->prepare(ht, thd, all))) { - my_error(ER_ERROR_DURING_COMMIT, MYF(0), err); - ha_rollback_trans(thd, all); - error=1; - break; +#ifdef WITH_WSREP + if (ht == wsrep_hton) + { + error= 1; + /* avoid sending error, if we need to replay */ + if (thd->wsrep_conflict_state!= MUST_REPLAY) + { + my_error(ER_LOCK_DEADLOCK, MYF(0), err); + } + } + else +#endif + { + /* not wsrep hton, bail to native mysql behavior */ + my_error(ER_ERROR_DURING_COMMIT, MYF(0), err); + ha_rollback_trans(thd, all); + error=1; + break; + } } } else @@ -1366,8 +1384,9 @@ int ha_commit_trans(THD *thd, bool all) mdl_request.init(MDL_key::COMMIT, "", "", MDL_INTENTION_EXCLUSIVE, MDL_EXPLICIT); - if (thd->mdl_context.acquire_lock(&mdl_request, - thd->variables.lock_wait_timeout)) + if (IF_WSREP(!WSREP(thd),1) && + thd->mdl_context.acquire_lock(&mdl_request, + thd->variables.lock_wait_timeout)) { ha_rollback_trans(thd, all); thd->wakeup_subsequent_commits(1); @@ -1414,8 +1433,28 @@ int ha_commit_trans(THD *thd, bool all) err= ht->prepare(ht, thd, all); status_var_increment(thd->status_var.ha_prepare_count); if (err) - my_error(ER_ERROR_DURING_COMMIT, MYF(0), err); - + { +#ifdef WITH_WSREP + if (ht == wsrep_hton) + { + switch (err) { + case WSREP_TRX_SIZE_EXCEEDED: + /* give user size exeeded error from wsrep_api.h */ + my_error(ER_ERROR_DURING_COMMIT, MYF(0), WSREP_SIZE_EXCEEDED); + break; + case WSREP_TRX_CERT_FAIL: + case WSREP_TRX_ERROR: + /* avoid sending error, if we need to replay */ + if (thd->wsrep_conflict_state!= MUST_REPLAY) + { + my_error(ER_LOCK_DEADLOCK, MYF(0), err); + } + } + goto err; + } +#endif /* WITH_WSREP */ + my_error(ER_ERROR_DURING_COMMIT, MYF(0), err); + } if (err) goto err; @@ -1425,6 +1464,14 @@ int ha_commit_trans(THD *thd, bool all) DEBUG_SYNC(thd, "ha_commit_trans_after_prepare"); DBUG_EXECUTE_IF("crash_commit_after_prepare", DBUG_SUICIDE();); +#ifdef WITH_WSREP + if (!error && WSREP_ON && wsrep_is_wsrep_xid(&thd->transaction.xid_state.xid)) + { + // xid was rewritten by wsrep + xid= wsrep_xid_seqno(&thd->transaction.xid_state.xid); + } +#endif // WITH_WSREP + if (!is_real_trans) { error= commit_one_phase_2(thd, all, trans, is_real_trans); @@ -1801,7 +1848,10 @@ static my_bool xarecover_handlerton(THD *unused, plugin_ref plugin, got, hton_name(hton)->str); for (int i=0; i < got; i ++) { - my_xid x=info->list[i].get_my_xid(); + my_xid x= IF_WSREP(WSREP_ON && wsrep_is_wsrep_xid(&info->list[i]) ? + wsrep_xid_seqno(&info->list[i]) : + info->list[i].get_my_xid(), + info->list[i].get_my_xid()); if (!x) // not "mine" - that is generated by external TM { #ifndef DBUG_OFF @@ -3086,10 +3136,12 @@ int handler::update_auto_increment() variables->auto_increment_increment); auto_inc_intervals_count++; /* Row-based replication does not need to store intervals in binlog */ - if (mysql_bin_log.is_open() && !thd->is_current_stmt_binlog_format_row()) - thd->auto_inc_intervals_in_cur_stmt_for_binlog.append(auto_inc_interval_for_cur_row.minimum(), - auto_inc_interval_for_cur_row.values(), - variables->auto_increment_increment); + if (IF_WSREP(((WSREP(thd) && wsrep_emulate_bin_log ) || mysql_bin_log.is_open()), mysql_bin_log.is_open()) + && !thd->is_current_stmt_binlog_format_row()) + thd->auto_inc_intervals_in_cur_stmt_for_binlog. + append(auto_inc_interval_for_cur_row.minimum(), + auto_inc_interval_for_cur_row.values(), + variables->auto_increment_increment); } /* @@ -5707,7 +5759,10 @@ static bool check_table_binlog_row_based(THD *thd, TABLE *table) return (thd->is_current_stmt_binlog_format_row() && table->s->cached_row_logging_check && (thd->variables.option_bits & OPTION_BIN_LOG) && - mysql_bin_log.is_open()); + /* applier and replayer should not binlog */ + (IF_WSREP((WSREP_EMULATE_BINLOG(thd) && + (thd->wsrep_exec_mode != REPL_RECV)) || + mysql_bin_log.is_open(), mysql_bin_log.is_open()))); } @@ -5807,6 +5862,12 @@ static int binlog_log_row(TABLE* table, bool error= 0; THD *const thd= table->in_use; +#ifdef WITH_WSREP + /* only InnoDB tables will be replicated through binlog emulation */ + if (WSREP_EMULATE_BINLOG(thd) && + table->file->partition_ht()->db_type != DB_TYPE_INNODB) + return 0; +#endif /* WITH_WSREP */ if (check_table_binlog_row_based(thd, table)) { MY_BITMAP cols; @@ -6136,6 +6197,76 @@ void handler::set_lock_type(enum thr_lock_type lock) table->reginfo.lock_type= lock; } +#ifdef WITH_WSREP +/** + @details + This function makes the storage engine to force the victim transaction + to abort. Currently, only innodb has this functionality, but any SE + implementing the wsrep API should provide this service to support + multi-master operation. + + @param bf_thd brute force THD asking for the abort + @param victim_thd victim THD to be aborted + + @return + always 0 +*/ + +int ha_abort_transaction(THD *bf_thd, THD *victim_thd, my_bool signal) +{ + DBUG_ENTER("ha_abort_transaction"); + if (!WSREP(bf_thd) && + !(wsrep_OSU_method_options == WSREP_OSU_RSU && + bf_thd->wsrep_exec_mode == TOTAL_ORDER)) { + DBUG_RETURN(0); + } + + THD_TRANS *trans= &victim_thd->transaction.all; + Ha_trx_info *ha_info= trans->ha_list, *ha_info_next; + + for (; ha_info; ha_info= ha_info_next) + { + handlerton *hton= ha_info->ht(); + if (!hton->abort_transaction) + { + WSREP_WARN("cannot abort transaction"); + } + else + hton->abort_transaction(hton, bf_thd, victim_thd, signal); + ha_info_next= ha_info->next(); + ha_info->reset(); /* keep it conveniently zero-filled */ + } + DBUG_RETURN(0); +} + +void ha_fake_trx_id(THD *thd) +{ + DBUG_ENTER("ha_fake_trx_id"); + if (!WSREP(thd)) + { + DBUG_VOID_RETURN; + } + + THD_TRANS *trans= &thd->transaction.all; + Ha_trx_info *ha_info= trans->ha_list, *ha_info_next; + + for (; ha_info; ha_info= ha_info_next) + { + handlerton *hton= ha_info->ht(); + if (!hton->fake_trx_id) + { + WSREP_WARN("cannot get fake InnoDB transaction ID"); + } + else + hton->fake_trx_id(hton, thd); + ha_info_next= ha_info->next(); + ha_info->reset(); /* keep it conveniently zero-filled */ + } + DBUG_VOID_RETURN; +} +#endif /* WITH_WSREP */ + + #ifdef TRANS_LOG_MGM_EXAMPLE_CODE /* Example of transaction log management functions based on assumption that logs |