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/*
Copyright (c) 2015 MariaDB Corporation Ab
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation // gcc: Class implementation
#endif
#include "mariadb.h"
#include "sql_priv.h"
#include "sql_select.h"
#include "my_json_writer.h"
void Filesort_tracker::print_json_members(Json_writer *writer)
{
const char *varied_str= "(varied across executions)";
String str;
if (!get_r_loops())
writer->add_member("r_loops").add_null();
else
writer->add_member("r_loops").add_ll(get_r_loops());
if (time_tracker.has_timed_statistics())
{
writer->add_member("r_total_time_ms").
add_double(time_tracker.get_time_ms());
}
if (r_limit != HA_POS_ERROR)
{
writer->add_member("r_limit");
if (!get_r_loops())
writer->add_null();
else if (r_limit == 0)
writer->add_str(varied_str);
else
writer->add_ll(r_limit);
}
writer->add_member("r_used_priority_queue");
if (!get_r_loops())
writer->add_null();
else if (r_used_pq == get_r_loops())
writer->add_bool(true);
else if (r_used_pq == 0)
writer->add_bool(false);
else
writer->add_str(varied_str);
if (!get_r_loops())
writer->add_member("r_output_rows").add_null();
else
writer->add_member("r_output_rows").add_ll(
(longlong) rint((double)r_output_rows / get_r_loops()));
if (sort_passes)
{
writer->add_member("r_sort_passes").add_ll(
(longlong) rint((double)sort_passes / get_r_loops()));
}
if (sort_buffer_size != 0)
{
writer->add_member("r_buffer_size");
if (sort_buffer_size == ulonglong(-1))
writer->add_str(varied_str);
else
writer->add_size(sort_buffer_size);
}
get_data_format(&str);
writer->add_member("r_sort_mode").add_str(str.ptr(), str.length());
}
void Filesort_tracker::get_data_format(String *str)
{
if (r_sort_keys_packed)
str->append(STRING_WITH_LEN("packed_sort_key"));
else
str->append(STRING_WITH_LEN("sort_key"));
str->append(',');
if (r_using_addons)
{
if (r_packed_addon_fields)
str->append(STRING_WITH_LEN("packed_addon_fields"));
else
str->append(STRING_WITH_LEN("addon_fields"));
}
else
str->append(STRING_WITH_LEN("rowid"));
}
void attach_gap_time_tracker(THD *thd, Gap_time_tracker *gap_tracker,
ulonglong timeval)
{
thd->gap_tracker_data.bill_to= gap_tracker;
thd->gap_tracker_data.start_time= timeval;
}
void process_gap_time_tracker(THD *thd, ulonglong timeval)
{
if (thd->gap_tracker_data.bill_to)
{
thd->gap_tracker_data.bill_to->log_time(thd->gap_tracker_data.start_time,
timeval);
thd->gap_tracker_data.bill_to= NULL;
}
}
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