diff options
Diffstat (limited to 'storage/innodb_plugin/handler/ha_innodb.cc')
| -rw-r--r-- | storage/innodb_plugin/handler/ha_innodb.cc | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/storage/innodb_plugin/handler/ha_innodb.cc b/storage/innodb_plugin/handler/ha_innodb.cc index 98d135871eb..538e236ccd0 100644 --- a/storage/innodb_plugin/handler/ha_innodb.cc +++ b/storage/innodb_plugin/handler/ha_innodb.cc @@ -577,6 +577,12 @@ static SHOW_VAR innodb_status_variables[]= { (char*) &export_vars.innodb_rows_read, SHOW_LONG}, {"rows_updated", (char*) &export_vars.innodb_rows_updated, SHOW_LONG}, +#ifdef UNIV_DEBUG + {"purge_trx_id_age", + (char*) &export_vars.innodb_purge_trx_id_age, SHOW_LONG}, + {"purge_view_trx_id_age", + (char*) &export_vars.innodb_purge_view_trx_id_age, SHOW_LONG}, +#endif /* UNIV_DEBUG */ {NullS, NullS, SHOW_LONG} }; @@ -923,6 +929,8 @@ convert_error_code_to_mysql( #endif /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ case DB_UNSUPPORTED: return(HA_ERR_UNSUPPORTED); + case DB_OUT_OF_MEMORY: + return(HA_ERR_OUT_OF_MEM); } } @@ -1132,6 +1140,11 @@ innobase_mysql_tmpfile(void) DBUG_ENTER("innobase_mysql_tmpfile"); + DBUG_EXECUTE_IF( + "innobase_tmpfile_creation_failure", + DBUG_RETURN(-1); + ); + tmpdir = my_tmpdir(&mysql_tmpdir_list); /* The tmpdir parameter can not be NULL for GetTempFileName. */ @@ -1193,7 +1206,15 @@ innobase_mysql_tmpfile(void) /*========================*/ { int fd2 = -1; - File fd = mysql_tmpfile("ib"); + File fd; + + DBUG_EXECUTE_IF( + "innobase_tmpfile_creation_failure", + return(-1); + ); + + fd = mysql_tmpfile("ib"); + if (fd >= 0) { /* Copy the file descriptor, so that the additional resources allocated by create_temp_file() can be freed by invoking @@ -11263,6 +11284,18 @@ static MYSQL_SYSVAR_UINT(trx_rseg_n_slots_debug, trx_rseg_n_slots_debug, PLUGIN_VAR_RQCMDARG, "Debug flags for InnoDB to limit TRX_RSEG_N_SLOTS for trx_rsegf_undo_find_free()", NULL, NULL, 0, 0, 1024, 0); + +static MYSQL_SYSVAR_UINT(limit_optimistic_insert_debug, + btr_cur_limit_optimistic_insert_debug, PLUGIN_VAR_RQCMDARG, + "Artificially limit the number of records per B-tree page (0=unlimited).", + NULL, NULL, 0, 0, UINT_MAX32, 0); + +static MYSQL_SYSVAR_BOOL(trx_purge_view_update_only_debug, + srv_purge_view_update_only_debug, PLUGIN_VAR_NOCMDARG, + "Pause actual purging any delete-marked records, but merely update the purge view. " + "It is to create artificially the situation the purge view have been updated " + "but the each purges were not done yet.", + NULL, NULL, FALSE); #endif /* UNIV_DEBUG */ static struct st_mysql_sys_var* innobase_system_variables[]= { @@ -11328,6 +11361,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(io_capacity), #ifdef UNIV_DEBUG MYSQL_SYSVAR(trx_rseg_n_slots_debug), + MYSQL_SYSVAR(limit_optimistic_insert_debug), + MYSQL_SYSVAR(trx_purge_view_update_only_debug), #endif /* UNIV_DEBUG */ NULL }; |