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ANALYZE FORMAT=JSON: Backport block-nl-join.r_unpack_time_ms from 11.0 +fix MDEV-30830.

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Also fix it to work with hashed join (MDEV-30830).

Reviewed by: Monty <monty@mariadb.org>
This commit is contained in:
Sergei Petrunia
2023-03-10 18:02:14 +03:00
parent 18342cd5e1
commit 0269d82d53
16 changed files with 210 additions and 6 deletions
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10
sql/sql_explain.h
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@@ -722,7 +722,7 @@ public:
class Explain_table_access : public Sql_alloc
{
public:
Explain_table_access(MEM_ROOT *root) :
Explain_table_access(MEM_ROOT *root, bool timed) :
derived_select_number(0),
non_merged_sjm_number(0),
extra_tags(root),
@@ -735,6 +735,7 @@ public:
pushed_index_cond(NULL),
sjm_nest(NULL),
pre_join_sort(NULL),
jbuf_unpack_tracker(timed),
rowid_filter(NULL)
{}
~Explain_table_access() { delete sjm_nest; }
@@ -844,7 +845,12 @@ public:
/* When using join buffer: Track the reads from join buffer */
Table_access_tracker jbuf_tracker;
/*
Track the time to unpack rows from the join buffer.
*/
Time_and_counter_tracker jbuf_unpack_tracker;
/* When using join buffer: Track the number of incoming record combinations */
Counter_tracker jbuf_loops_tracker;