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  1. MariaDB Server
  2. MDEV-10447

different execution plan for single- and multi-DELETE

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      create table t1 (id int);
      insert t1 values (1),(2),(3);
      create table t2 (id int, acc_id int);
      insert t2 values (1,1),(2,2),(3,3);
      explain delete from t1 where id in (select id from t2 where acc_id = 9999);
      explain delete uc from t1 as uc where uc. id in (select p. id from t2 p where p.acc_id = 9999);
      

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              Assignee:
              Unassigned
              Reporter:
              serg Sergei Golubchik
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                Created:
                Updated: