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make @@tidb_distsql_scan_concurrency hint work for keep order request #60891
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
I want @@tidb_distsql_scan_concurrency sql variable work:
select /*+ set_var(tidb_distsql_scan_concurrency=14)*/ * from t order by id;
2. What did you expect to see? (Required)
distsql scan concurrency is 14
3. What did you see instead (Required)
For order by request, the concurrency is lower to 2
4. What is your TiDB version? (Required)
master
Activity
distsql: do not change concurrency for keep order request when @@tidb…
distsql: do not change concurrency for keep order request when @@tidb…
distsql: do not change concurrency for keep order request when @@tidb…