contrib/test_decoding/specs/mxact.spec

   1 setup
   2 {
   3     DROP TABLE IF EXISTS do_write;
   4     CREATE TABLE do_write(id serial primary key);
   5 }
   6
   7 teardown
   8 {
   9     DROP TABLE IF EXISTS do_write;
  10     SELECT 'stop' FROM pg_drop_replication_slot('isolation_slot');
  11 }
  12
  13 session "s0"
  14 setup { SET synchronous_commit=on; }
  15 step "s0init" {SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');}
  16 step "s0start" {SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');}
  17 step "s0alter" {ALTER TABLE do_write ADD column ts timestamptz; }
  18 step "s0w" { INSERT INTO do_write DEFAULT VALUES; }
  19
  20 session "s1"
  21 setup { SET synchronous_commit=on; }
  22 step "s1begin" {BEGIN;}
  23 step "s1sharepgclass" { SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s; }
  24 step "s1keysharepgclass" { SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s; }
  25 step "s1commit" {COMMIT;}
  26
  27 session "s2"
  28 setup { SET synchronous_commit=on; }
  29 step "s2begin" {BEGIN;}
  30 step "s2sharepgclass" { SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s; }
  31 step "s2keysharepgclass" { SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s; }
  32 step "s2commit" {COMMIT;}
  33
  34 # test that we're handling an update-only mxact xmax correctly
  35 permutation "s0init" "s0start" "s1begin" "s1sharepgclass" "s2begin" "s2sharepgclass" "s0w" "s0start" "s2commit" "s1commit"
  36
  37 # test that we're handling an update-only mxact xmax correctly
  38 permutation "s0init" "s0start" "s1begin" "s1keysharepgclass" "s2begin" "s2keysharepgclass" "s0alter" "s0w" "s0start" "s2commit" "s1commit"