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*: bypass order by clause for fast point get plan (#50204) #50368

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*: bypass order by clause for fast point get plan (#50204) #50368

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4 changes: 3 additions & 1 deletion cmd/explaintest/r/explain_easy_stats.result
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,9 @@ id estRows task access object operator info
Point_Get 1.00 root table:index_prune, index:PRIMARY(a, b)
explain format = 'brief' select * from index_prune WHERE a = 1010010404050976781 AND b = 26467085526790 GROUP BY b ORDER BY a limit 1;
id estRows task access object operator info
Point_Get 1.00 root table:index_prune, index:PRIMARY(a, b)
TopN 1.00 root explain_easy_stats.index_prune.a, offset:0, count:1
└─StreamAgg 1.00 root group by:explain_easy_stats.index_prune.b, funcs:firstrow(explain_easy_stats.index_prune.a)->explain_easy_stats.index_prune.a, funcs:firstrow(explain_easy_stats.index_prune.b)->explain_easy_stats.index_prune.b, funcs:firstrow(explain_easy_stats.index_prune.c)->explain_easy_stats.index_prune.c
└─Point_Get 1.00 root table:index_prune, index:PRIMARY(a, b)
drop table if exists t1, t2, t3, index_prune;
set @@session.tidb_opt_insubq_to_join_and_agg=1;
drop table if exists tbl;
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