Parsed test spec with 2 sessions

starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-drop s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-drop: DROP TABLE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-drop: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
ERROR:  relation "truncate_append" does not exist

starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-ddl-create-index s1-commit s2-commit s1-select-count s1-show-indexes
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-create-index: CREATE INDEX truncate_append_index ON truncate_append(id); <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-create-index: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-indexes: SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''truncate_append%''');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)


starting permutation: s1-initialize s1-ddl-create-index s1-begin s2-begin s1-truncate s2-ddl-drop-index s1-commit s2-commit s1-select-count s1-show-indexes
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-ddl-create-index: CREATE INDEX truncate_append_index ON truncate_append(id);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-drop-index: DROP INDEX truncate_append_index; <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-drop-index: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-indexes: SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''truncate_append%''');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)


starting permutation: s1-initialize s1-begin s1-truncate s2-ddl-create-index-concurrently s1-commit s1-select-count s1-show-indexes
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-create-index-concurrently: CREATE INDEX CONCURRENTLY truncate_append_index ON truncate_append(id); <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-create-index-concurrently: <... completed>
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-indexes: SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''truncate_append%''');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-ddl-add-column s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-add-column: ALTER TABLE truncate_append ADD new_column int DEFAULT 0; <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-add-column: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-ddl-add-column s1-begin s2-begin s1-truncate s2-ddl-drop-column s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-ddl-add-column: ALTER TABLE truncate_append ADD new_column int DEFAULT 0;
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-drop-column: ALTER TABLE truncate_append DROP new_column; <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-drop-column: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-ddl-rename-column s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-ddl-rename-column: ALTER TABLE truncate_append RENAME data TO new_column; <waiting ...>
step s1-commit: COMMIT;
step s2-ddl-rename-column: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-table-size s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-table-size: SELECT citus_total_relation_size('truncate_append'); <waiting ...>
step s1-commit: COMMIT;
step s2-table-size: <... completed>
citus_total_relation_size
---------------------------------------------------------------------
                        0
(1 row)

step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-master-modify-multiple-shards s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-master-modify-multiple-shards: DELETE FROM truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-master-modify-multiple-shards: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-master-drop-all-shards s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-master-drop-all-shards: SELECT citus_drop_all_shards('truncate_append'::regclass, 'public', 'truncate_append'); <waiting ...>
step s1-commit: COMMIT;
step s2-master-drop-all-shards: <... completed>
citus_drop_all_shards
---------------------------------------------------------------------
                    0
(1 row)

step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-drop s1-create-non-distributed-table s1-begin s2-begin s1-truncate s2-distribute-table s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-drop: DROP TABLE truncate_append;
step s1-create-non-distributed-table: CREATE TABLE truncate_append(id integer, data text);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-distribute-table: SELECT create_distributed_table('truncate_append', 'id', 'append'); <waiting ...>
step s1-commit: COMMIT;
step s2-distribute-table: <... completed>
create_distributed_table
---------------------------------------------------------------------

(1 row)

step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-truncate s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-truncate: TRUNCATE truncate_append;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-drop s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-drop: DROP TABLE truncate_append;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
ERROR:  relation "truncate_append" does not exist
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
ERROR:  relation "truncate_append" does not exist

starting permutation: s1-initialize s1-begin s2-begin s1-ddl-create-index s2-truncate s1-commit s2-commit s1-select-count s1-show-indexes
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-ddl-create-index: CREATE INDEX truncate_append_index ON truncate_append(id);
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-indexes: SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''truncate_append%''');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)


starting permutation: s1-initialize s1-ddl-create-index s1-begin s2-begin s1-ddl-drop-index s2-truncate s1-commit s2-commit s1-select-count s1-show-indexes
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-ddl-create-index: CREATE INDEX truncate_append_index ON truncate_append(id);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-ddl-drop-index: DROP INDEX truncate_append_index;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-indexes: SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''truncate_append%''');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-ddl-add-column s2-truncate s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-ddl-add-column: ALTER TABLE truncate_append ADD new_column int DEFAULT 0;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-ddl-add-column s1-begin s2-begin s1-ddl-drop-column s2-truncate s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-ddl-add-column: ALTER TABLE truncate_append ADD new_column int DEFAULT 0;
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-ddl-drop-column: ALTER TABLE truncate_append DROP new_column;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-ddl-rename-column s2-truncate s1-commit s2-commit s1-select-count s1-show-columns
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-ddl-rename-column: ALTER TABLE truncate_append RENAME data TO new_column;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)

step s1-show-columns: SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''truncate_append%'' AND column_name = ''new_column'' ORDER BY 1 LIMIT 1');
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,"")
(localhost,57638,t,"")
(2 rows)


starting permutation: s1-initialize s1-begin s2-begin s1-table-size s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-table-size: SELECT citus_total_relation_size('truncate_append');
citus_total_relation_size
---------------------------------------------------------------------
                    16384
(1 row)

step s2-truncate: TRUNCATE truncate_append;
step s1-commit: COMMIT;
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-master-modify-multiple-shards s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-master-modify-multiple-shards: DELETE FROM truncate_append;
step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-initialize s1-begin s2-begin s1-master-drop-all-shards s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-initialize: COPY truncate_append FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH (format 'csv', append_to_shard xxxxx);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-master-drop-all-shards: SELECT citus_drop_all_shards('truncate_append'::regclass, 'public', 'truncate_append');
citus_drop_all_shards
---------------------------------------------------------------------
                    1
(1 row)

step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)


starting permutation: s1-drop s1-create-non-distributed-table s1-begin s2-begin s1-distribute-table s2-truncate s1-commit s2-commit s1-select-count
master_create_empty_shard
---------------------------------------------------------------------
                  5990340
(1 row)

step s1-drop: DROP TABLE truncate_append;
step s1-create-non-distributed-table: CREATE TABLE truncate_append(id integer, data text);
step s1-begin: BEGIN;
step s2-begin: BEGIN;
step s1-distribute-table: SELECT create_distributed_table('truncate_append', 'id', 'append');
create_distributed_table
---------------------------------------------------------------------

(1 row)

step s2-truncate: TRUNCATE truncate_append; <waiting ...>
step s1-commit: COMMIT;
step s2-truncate: <... completed>
step s2-commit: COMMIT;
step s1-select-count: SELECT COUNT(*) FROM truncate_append;
count
---------------------------------------------------------------------
    0
(1 row)