Parsed test spec with 3 sessions starting permutation: s2snitch s1b s1s s2detach s1cancel s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s1s s2detach s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1insert: insert into d4_fk values (1); step s2detach: <... completed> error in steps s1insert s2detach: ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1brr s1s s2detach s1cancel s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1brr s1s s2detach s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1insert: insert into d4_fk values (1); step s2detach: <... completed> error in steps s1insert s2detach: ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s1declare s2detach s1cancel s1fetchall s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1declare: declare f cursor for select * from d4_primary; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1fetchall: fetch all from f; a 1 2 step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s1declare s2detach s1fetchall s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1declare: declare f cursor for select * from d4_primary; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1fetchall: fetch all from f; a 1 2 step s1insert: insert into d4_fk values (1); step s2detach: <... completed> error in steps s1insert s2detach: ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s1declare s2detach s1cancel s1svpt s1insert s1rollback s1fetchall s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1declare: declare f cursor for select * from d4_primary; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1svpt: savepoint f; step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1rollback: rollback to f; step s1fetchall: fetch all from f; a 1 2 step s1c: commit; starting permutation: s2snitch s1b s1declare s2detach s1svpt s1insert s1rollback s1fetchall s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1declare: declare f cursor for select * from d4_primary; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1svpt: savepoint f; step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1rollback: rollback to f; step s1fetchall: fetch all from f; a 1 2 step s1c: commit; step s2detach: <... completed> starting permutation: s2snitch s1b s2detach s1declare s1cancel s1fetchall s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1declare: declare f cursor for select * from d4_primary; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s1fetchall: fetch all from f; a 2 step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s2detach s1declare s1fetchall s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1declare: declare f cursor for select * from d4_primary; step s1fetchall: fetch all from f; a 2 step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s2detach s1declare s1cancel s1svpt s1insert s1rollback s1fetchall s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1declare: declare f cursor for select * from d4_primary; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s1svpt: savepoint f; step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1rollback: rollback to f; step s1fetchall: fetch all from f; a 2 step s1c: commit; starting permutation: s2snitch s1b s2detach s1declare s1svpt s1insert s1rollback s1fetchall s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1declare: declare f cursor for select * from d4_primary; step s1svpt: savepoint f; step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1rollback: rollback to f; step s1fetchall: fetch all from f; a 2 step s1c: commit; starting permutation: s2snitch s1brr s1declare2 s1fetchone s2detach s1cancel s1updcur s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1declare2: declare f cursor for select * from d4_fk where a = 2; step s1fetchone: fetch 1 from f; a 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1updcur: update d4_fk set a = 1 where current of f; ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1brr s1declare2 s1fetchone s2detach s1updcur s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1declare2: declare f cursor for select * from d4_fk where a = 2; step s1fetchone: fetch 1 from f; a 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1updcur: update d4_fk set a = 1 where current of f; step s2detach: <... completed> error in steps s1updcur s2detach: ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1brr s1declare2 s1fetchone s1updcur s2detach s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1declare2: declare f cursor for select * from d4_fk where a = 2; step s1fetchone: fetch 1 from f; a 2 step s1updcur: update d4_fk set a = 1 where current of f; step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1c: commit; step s2detach: <... completed> error in steps s1c s2detach: ERROR: removing partition "d4_primary1" violates foreign key constraint "d4_fk_a_fkey1" starting permutation: s2snitch s1b s1s s2detach s3insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s3insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; step s2detach: <... completed> starting permutation: s2snitch s1b s1s s2detach s3brr s3insert s3commit s1cancel s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s3brr: begin isolation level repeatable read; step s3insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s3commit: commit; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s1c: commit; starting permutation: s2snitch s1b s1s s2detach s3brr s3insert s3commit s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s3brr: begin isolation level repeatable read; step s3insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s3commit: commit; step s1c: commit; step s2detach: <... completed> starting permutation: s2snitch s1brr s1s s2detach s1cancel s3vacfreeze s1s s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1brr: begin isolation level repeatable read; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s3vacfreeze: vacuum freeze pg_catalog.pg_inherits; step s1s: select * from d4_primary; a 1 2 step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit; starting permutation: s2snitch s1b s1s s2detach s1cancel s3vacfreeze s1s s1insert s1c step s2snitch: insert into d4_pid select pg_backend_pid(); step s1b: begin; step s1s: select * from d4_primary; a 1 2 step s2detach: alter table d4_primary detach partition d4_primary1 concurrently; step s1cancel: select pg_cancel_backend(pid) from d4_pid; pg_cancel_backend t step s2detach: <... completed> error in steps s1cancel s2detach: ERROR: canceling statement due to user request step s3vacfreeze: vacuum freeze pg_catalog.pg_inherits; step s1s: select * from d4_primary; a 2 step s1insert: insert into d4_fk values (1); ERROR: insert or update on table "d4_fk" violates foreign key constraint "d4_fk_a_fkey" step s1c: commit;