Fix instability in subscription regression test

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От houzj.fnst@fujitsu.com
Тема Fix instability in subscription regression test
Дата
Msg-id OS0PR01MB5716A69496A8E2F2E155DB8D94B59@OS0PR01MB5716.jpnprd01.prod.outlook.com
обсуждение исходный текст
Ответы Re: Fix instability in subscription regression test  (Masahiko Sawada <sawada.mshk@gmail.com>)
Re: Fix instability in subscription regression test  (Amit Kapila <amit.kapila16@gmail.com>)
Список pgsql-hackers
Hi,

I noticed BF member wrasse failed in 028_row_filter.pl.

#   Failed test 'check publish_via_partition_root behavior'
#   at t/028_row_filter.pl line 669.
#          got: ''
#     expected: '1|100
#              ...

Log:
2022-06-23 11:27:42.387 CEST [20589:3] 028_row_filter.pl LOG: statement: ALTER SUBSCRIPTION tap_sub REFRESH PUBLICATION
WITH(copy_data = true) 
2022-06-23 11:27:42.470 CEST [20589:4] 028_row_filter.pl LOG: disconnection: session time: 0:00:00.098 user=nm
database=postgreshost=[local] 
2022-06-23 11:27:42.611 CEST [20593:1] LOG: logical replication table synchronization worker for subscription
"tap_sub",table "tab_rowfilter_partitioned" has started 
...
2022-06-23 11:27:43.197 CEST [20610:3] 028_row_filter.pl LOG: statement: SELECT a, b FROM tab_rowfilter_partitioned
ORDERBY 1, 2 
...
2022-06-23 11:27:43.689 CEST [20593:2] LOG: logical replication table synchronization worker for subscription
"tap_sub",table "tab_rowfilter_partitioned" has finished  

From the Log, I can see it query the target table before the table sync is
over. So, I think the reason is that we didn't wait for table sync to
finish after refreshing the publication. Sorry for not catching that
ealier. Here is a patch to fix it.


Best regards,
Hou zj

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