On 10/05/17 15:27, tushar wrote: > Hi, > > Please refer this scenario -where 'nocopy data' option is set in > SUBSCRIPTION but still data is getting migrated > > Publication - (X) > create table t(n int); > insert into t values (generate_series(1,99)); > create publication pub for table t; > > Subscription (Y) > create table t(n int); > CREATE SUBSCRIPTION sub CONNECTION 'dbname=postgres host=localhost > port=5000 user=centos password=a' PUBLICATION pub WITH (copy > data,SYNCHRONOUS_COMMIT=on); > select count(*) from t; ->showing 99 rows > alter subscription sub refresh publication with (nocopy data); > restart the server (Y) > > X - insert more records into table 't' > Y - check the row count , rows have been migrated from X . > > Is it the right behavior in this case where nocopy data option is set ? >
Yes, (no)copy data only affects existing data at the time of running the command, any additional data are always replicated. The "alter subscription sub refresh publication" does nothing unless you added/removed tables to/from publication. -- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
