Commit 62eaf89f authored by Marko Mäkelä's avatar Marko Mäkelä

Merge mysql-5.1 to mysql-5.5.

parents 64b2ecce 5620418c
/*****************************************************************************
Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2008, 2009 Google Inc.
Copyright (c) 2009, Percona Inc.
......@@ -279,7 +279,7 @@ UNIV_INTERN ulint srv_data_read = 0;
/* Internal setting for "innodb_stats_method". Decides how InnoDB treats
NULL value when collecting statistics. By default, it is set to
SRV_STATS_NULLS_EQUAL(0), ie. all NULL value are treated equal */
ulong srv_innodb_stats_method = SRV_STATS_NULLS_EQUAL;
UNIV_INTERN ulong srv_innodb_stats_method = SRV_STATS_NULLS_EQUAL;
/* here we count the amount of data written in total (in bytes) */
UNIV_INTERN ulint srv_data_written = 0;
......@@ -2105,19 +2105,31 @@ srv_export_innodb_status(void)
export_vars.innodb_truncated_status_writes = srv_truncated_status_writes;
#ifdef UNIV_DEBUG
if (trx_sys->max_trx_id < purge_sys->done_trx_no) {
export_vars.innodb_purge_trx_id_age = 0;
} else {
export_vars.innodb_purge_trx_id_age =
trx_sys->max_trx_id - purge_sys->done_trx_no;
}
{
trx_id_t done_trx_no;
trx_id_t up_limit_id;
rw_lock_s_lock(&purge_sys->latch);
done_trx_no = purge_sys->done_trx_no;
up_limit_id = purge_sys->view
? purge_sys->view->up_limit_id
: 0;
rw_lock_s_unlock(&purge_sys->latch);
if (trx_sys->max_trx_id < done_trx_no) {
export_vars.innodb_purge_trx_id_age = 0;
} else {
export_vars.innodb_purge_trx_id_age =
trx_sys->max_trx_id - done_trx_no;
}
if (!purge_sys->view
|| trx_sys->max_trx_id < purge_sys->view->up_limit_id) {
export_vars.innodb_purge_view_trx_id_age = 0;
} else {
export_vars.innodb_purge_view_trx_id_age =
trx_sys->max_trx_id - purge_sys->view->up_limit_id;
if (!up_limit_id
|| trx_sys->max_trx_id < up_limit_id) {
export_vars.innodb_purge_view_trx_id_age = 0;
} else {
export_vars.innodb_purge_view_trx_id_age =
trx_sys->max_trx_id - up_limit_id;
}
}
#endif /* UNIV_DEBUG */
......
......@@ -137,7 +137,7 @@ UNIV_INTERN mysql_pfs_key_t file_format_max_mutex_key;
#ifndef UNIV_HOTBACKUP
#ifdef UNIV_DEBUG
/* Flag to control TRX_RSEG_N_SLOTS behavior debugging. */
uint trx_rseg_n_slots_debug = 0;
UNIV_INTERN uint trx_rseg_n_slots_debug = 0;
#endif
/** This is used to track the maximum file format id known to InnoDB. It's
......
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