-hackers,

I think commit 82ed7748b710e3ddce3f7ebc74af80fe4869492f created some confusion 
that should be cleaned up before release.  I'd like some guidance on what the 
intended behavior is before I submit a patch for this, though:

+ALTER SUBSCRIPTION mysubscription SET PUBLICATION nosuchpub WITH (copy_data = 
false, refresh = false);
+ALTER SUBSCRIPTION mysubscription ADD PUBLICATION nosuchpub WITH (copy_data = 
false, refresh = false);
+ALTER SUBSCRIPTION mysubscription DROP PUBLICATION nosuchpub WITH (copy_data = 
false, refresh = false);
+ERROR:  unrecognized subscription parameter: "copy_data"
+ALTER SUBSCRIPTION mysubscription SET (copy_data = false, refresh = false);
+ERROR:  unrecognized subscription parameter: "copy_data"

First, it's quite odd to say that "copy_data" is unrecognized in the third and 
fourth ALTER commands when it was recognized just fine in the first two.

More than that, though, the docs in doc/src/sgml/ref/alter_subscription.sgml 
refer to this part of the grammar in the first three ALTER commands as a 
"set_publication_option", not as a "subscription_parameter", a term which is 
only used in the grammar for other forms of the ALTER command.  Per the grammar 
in the docs, "copy_data" is not a valid set_publication_option, only "refresh" 
is.

Should the first three ALTER commands fail with an error about "copy_data" 
being an invalid set_publication_option?  Should they succeed, in which case 
the docs should mention that "refresh" is not the only valid 
set_publication_option?

Something else, perhaps?

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company





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