SELECT citus.mitmproxy('conn.allow()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

-- do not cache any connections
SET citus.max_cached_conns_per_worker TO 1;
SET citus.shard_count = 1;
SET citus.shard_replication_factor = 2; -- one shard per worker
SET citus.multi_shard_commit_protocol TO '1pc';
SET citus.next_shard_id TO 100400;
ALTER SEQUENCE pg_catalog.pg_dist_placement_placementid_seq RESTART 100;
CREATE TABLE copy_test (key int, value int);
SELECT create_distributed_table('copy_test', 'key', 'append');
 create_distributed_table
---------------------------------------------------------------------

(1 row)

SELECT citus.clear_network_traffic();
 clear_network_traffic
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

SELECT citus.dump_network_traffic();
                                                                                                                                                                                                                                                                                                                                                                                              dump_network_traffic
---------------------------------------------------------------------
 (0,coordinator,"[initial message]")
 (0,worker,"['AuthenticationOk()', 'ParameterStatus(application_name=citus)', 'ParameterStatus(client_encoding=UTF8)', 'ParameterStatus(DateStyle=ISO, MDY)', 'ParameterStatus(integer_datetimes=on)', 'ParameterStatus(IntervalStyle=postgres)', 'ParameterStatus(is_superuser=on)', 'ParameterStatus(server_encoding=UTF8)', 'ParameterStatus(server_version=XXX)', 'ParameterStatus(session_authorization=postgres)', 'ParameterStatus(standard_conforming_strings=on)', 'ParameterStatus(TimeZone=XXX)', 'BackendKeyData(XXX)', 'ReadyForQuery(state=idle)']")
 (0,coordinator,"[""Query(query=SELECT worker_apply_shard_ddl_command (100400, 'CREATE TABLE public.copy_test (key integer, value integer)'))""]")
 (0,worker,"[""RowDescription(fieldcount=1,fields=['F(name=worker_apply_shard_ddl_command,tableoid=0,colattrnum=0,typoid=2278,typlen=4,typmod=-1,format_code=0)'])"", 'DataRow(columncount=1,columns=[""C(length=0,value=b\\'\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=idle)']")
 (0,coordinator,"[""Query(query=SELECT worker_apply_shard_ddl_command (100400, 'ALTER TABLE public.copy_test OWNER TO postgres'))""]")
 (0,worker,"[""RowDescription(fieldcount=1,fields=['F(name=worker_apply_shard_ddl_command,tableoid=0,colattrnum=0,typoid=2278,typlen=4,typmod=-1,format_code=0)'])"", 'DataRow(columncount=1,columns=[""C(length=0,value=b\\'\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=idle)']")
 (0,coordinator,"[""Query(query=BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED;SELECT assign_distributed_transaction_id(0, XX, 'XXXX-XX-XX XX:XX:XX.XXXXXX-XX');)""]")
 (0,worker,"['CommandComplete(command=BEGIN)', ""RowDescription(fieldcount=1,fields=['F(name=assign_distributed_transaction_id,tableoid=0,colattrnum=0,typoid=2278,typlen=4,typmod=-1,format_code=0)'])"", 'DataRow(columncount=1,columns=[""C(length=0,value=b\\'\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=in_transaction_block)']")
 (0,coordinator,"[""Query(query=COPY public.copy_test_XXXXXX FROM STDIN WITH (format 'binary'))""]")
 (0,worker,"[""Backend(type=G,body=b'\\\\x01\\\\x00\\\\x02\\\\x00\\\\x01\\\\x00\\\\x01')""]")
 (0,coordinator,"[""CopyData(data=b'PGCOPY\\\\n\\\\xff\\\\r\\\\n\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00')"", ""CopyData(data=b'\\\\x00\\\\x02\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x00')"", ""CopyData(data=b'\\\\x00\\\\x02\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x01\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x01')"", ""CopyData(data=b'\\\\x00\\\\x02\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x02\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x04')"", ""CopyData(data=b'\\\\x00\\\\x02\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\x03\\\\x00\\\\x00\\\\x00\\\\x04\\\\x00\\\\x00\\\\x00\\\\t')"", ""CopyData(data=b'\\\\xff\\\\xff')"", 'CopyDone()']")
 (0,worker,"['CommandComplete(command=COPY 4)', 'ReadyForQuery(state=in_transaction_block)']")
 (0,coordinator,"[""Query(query=SELECT pg_table_size('public.copy_test_XXXXXX'))""]")
 (0,worker,"[""RowDescription(fieldcount=1,fields=['F(name=pg_table_size,tableoid=0,colattrnum=0,typoid=20,typlen=8,typmod=-1,format_code=0)'])"", 'DataRow(columncount=1,columns=[""C(length=0,value=b\\'\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=in_transaction_block)']")
 (0,coordinator,"['Query(query=SELECT min(key), max(key) FROM public.copy_test_XXXXXX)']")
 (0,worker,"[""RowDescription(fieldcount=2,fields=['F(name=min,tableoid=0,colattrnum=0,typoid=23,typlen=4,typmod=-1,format_code=0)', 'F(name=max,tableoid=0,colattrnum=0,typoid=23,typlen=4,typmod=-1,format_code=0)'])"", 'DataRow(columncount=2,columns=[""C(length=0,value=b\\'\\')"", ""C(length=1,value=b\\'0\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=in_transaction_block)']")
 (0,coordinator,"['Query(query=COMMIT)']")
 (0,worker,"['CommandComplete(command=COMMIT)', 'ReadyForQuery(state=idle)']")
 (0,coordinator,"['Query(query=SELECT count(1) AS count FROM copy_test_100400 copy_test WHERE true)']")
 (0,worker,"[""RowDescription(fieldcount=1,fields=['F(name=count,tableoid=0,colattrnum=0,typoid=20,typlen=8,typmod=-1,format_code=0)'])"", 'DataRow(columncount=1,columns=[""C(length=0,value=b\\'\\')""])', 'CommandComplete(command=SELECT 1)', 'ReadyForQuery(state=idle)']")
(20 rows)

---- all of the following tests test behavior with 2 shard placements ----
SHOW citus.shard_replication_factor;
 citus.shard_replication_factor
---------------------------------------------------------------------
 2
(1 row)

---- kill the connection when we try to create the shard ----
SELECT citus.mitmproxy('conn.onQuery(query="worker_apply_shard_ddl_command").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
ERROR:  server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.
CONTEXT:  while executing command on localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

---- kill the connection when we try to start a transaction ----
SELECT citus.mitmproxy('conn.onQuery(query="assign_distributed_transaction_id").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
WARNING:  connection not open
CONTEXT:  while executing command on localhost:xxxxx
ERROR:  failure on connection marked as essential: localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

---- kill the connection when we start the COPY ----
SELECT citus.mitmproxy('conn.onQuery(query="FROM STDIN WITH").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
ERROR:  server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.
CONTEXT:  while executing command on localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

---- kill the connection when we send the data ----
SELECT citus.mitmproxy('conn.onCopyData().kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
ERROR:  failed to COPY to shard xxxxx on localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT citus.mitmproxy('conn.onQuery(query="SELECT|COPY").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

SELECT count(1) FROM copy_test;
WARNING:  connection error: localhost:xxxxx
DETAIL:  server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.
 count
---------------------------------------------------------------------
     4
(1 row)

---- cancel the connection when we send the data ----
SELECT citus.mitmproxy('conn.onQuery(query="SELECT|COPY").cancel(' ||  pg_backend_pid() || ')');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
ERROR:  canceling statement due to user request
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
ERROR:  canceling statement due to user request
---- kill the connection when we try to get the size of the table ----
SELECT citus.mitmproxy('conn.onQuery(query="pg_table_size").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
WARNING:  server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.
CONTEXT:  while executing command on localhost:xxxxx
WARNING:  connection not open
CONTEXT:  while executing command on localhost:xxxxx
ERROR:  failure on connection marked as essential: localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

---- kill the connection when we try to get the min, max of the table ----
SELECT citus.mitmproxy('conn.onQuery(query="SELECT min\(key\), max\(key\)").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
WARNING:  server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.
CONTEXT:  while executing command on localhost:xxxxx
WARNING:  connection not open
CONTEXT:  while executing command on localhost:xxxxx
ERROR:  failure on connection marked as essential: localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
(2 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     4
(1 row)

---- kill the connection when we try to COMMIT ----
SELECT citus.mitmproxy('conn.onQuery(query="^COMMIT").kill()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

COPY copy_test FROM PROGRAM 'echo 0, 0 && echo 1, 1 && echo 2, 4 && echo 3, 9' WITH CSV;
WARNING:  connection not open
CONTEXT:  while executing command on localhost:xxxxx
WARNING:  failed to commit transaction on localhost:xxxxx
WARNING:  connection not open
CONTEXT:  while executing command on localhost:xxxxx
SELECT * FROM pg_dist_shard s, pg_dist_shard_placement p
  WHERE (s.shardid = p.shardid) AND s.logicalrelid = 'copy_test'::regclass
  ORDER BY placementid;
 logicalrelid | shardid | shardstorage | shardminvalue | shardmaxvalue | shardid | shardstate | shardlength | nodename  | nodeport | placementid
---------------------------------------------------------------------
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |    57637 |         100
 copy_test    |  100400 | t            | 0             | 3             |  100400 |          1 |        8192 | localhost |     9060 |         101
 copy_test    |  100408 | t            | 0             | 3             |  100408 |          1 |        8192 | localhost |    57637 |         112
 copy_test    |  100408 | t            | 0             | 3             |  100408 |          3 |        8192 | localhost |     9060 |         113
(4 rows)

SELECT count(1) FROM copy_test;
 count
---------------------------------------------------------------------
     8
(1 row)

-- ==== Clean up, we're done here ====
SELECT citus.mitmproxy('conn.allow()');
 mitmproxy
---------------------------------------------------------------------

(1 row)

DROP TABLE copy_test;
