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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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sql/sql_explain.cc
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@@ -1898,6 +1898,9 @@ void Explain_table_access::print_explain_json(Explain_query *query,
writer->add_double(jbuf_tracker.get_filtered_after_where()*100.0);
else
writer->add_null();
writer->add_member("r_unpack_time_ms");
writer->add_double(jbuf_unpack_tracker.get_time_ms());
/*
effective_rows is average number of matches we got for an incoming
row. The row is stored in the join buffer and then is read