1 files changed, 122 insertions, 0 deletions
diff --git a/sql/sql_analyze_stmt.cc b/sql/sql_analyze_stmt.cc
new file mode 100644
index 00000000..2f87b9b0
--- /dev/null
+++ b/sql/sql_analyze_stmt.cc
@@ -0,0 +1,122 @@
+/*
+   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 (get_r_loops() && time_tracker.timed)
+  {
+    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.c_ptr(), str.length());
+}
+
+void Filesort_tracker::get_data_format(String *str)
+{
+  if (r_sort_keys_packed)
+    str->append("packed_sort_key");
+  else
+    str->append("sort_key");
+  str->append(",");
+
+  if (r_using_addons)
+  {
+    if (r_packed_addon_fields)
+      str->append("packed_addon_fields");
+    else
+      str->append("addon_fields");
+  }
+  else
+    str->append("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;
+  }
+}
+