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MDEV-21838: Add information about packed addon fields in ANALYZE FORMAT=JSON

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It is useful to know whether sorting uses addon fields[packed|unpacked] or ROWID.
Provide this information in ANALYZE FORMAT=JSON output.
This commit is contained in:
Varun Gupta
2020-02-28 11:46:13 +05:30
parent 8db623038f
commit 0c35e80dc9
7 changed files with 129 additions and 1 deletions
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14
sql/sql_analyze_stmt.h
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@ -221,7 +221,9 @@ public:
time_tracker(do_timing), r_limit(0), r_used_pq(0),
r_examined_rows(0), r_sorted_rows(0), r_output_rows(0),
sort_passes(0),
sort_buffer_size(0)
sort_buffer_size(0),
r_using_addons(false),
r_packed_addon_fields(false)
{}
/* Functions that filesort uses to report various things about its execution */
@ -263,6 +265,14 @@ public:
else
sort_buffer_size= bufsize;
}
inline void report_addon_fields_format(bool addons_packed)
{
r_using_addons= true;
r_packed_addon_fields= addons_packed;
}
void get_data_format(String *str);
/* Functions to get the statistics */
void print_json_members(Json_writer *writer);
@ -322,6 +332,8 @@ private:
other - value
*/
ulonglong sort_buffer_size;
bool r_using_addons;
bool r_packed_addon_fields;
};