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Fixes in ALTER SUBSCRIPTION DROP PUBLICATION code

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ALTER SUBSCRIPTION DROP PUBLICATION does not actually support
copy_data option, so remove it from tab completion.

Also, reword the error message that is thrown when all the
publications from a subscription are specified to be dropped.

Also, made few doc and cosmetic adjustments.

Author: Vignesh C <vignesh21@gmail.com>
Reviewed-by: Bharath Rupireddy <bharath.rupireddy@enterprisedb.com>
Reviewed-by: Japin Li <japinli@hotmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CALDaNm21RwsDzs4xj14ApteAF7auyyomHNnp+NEL-sH8m-jMvQ@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2021-06-25 09:51:24 +02:00
parent 63e6d05bf3
commit e59d428f34
4 changed files with 20 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/backend/commands/subscriptioncmds.c
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@ -953,8 +953,6 @@ AlterSubscription(AlterSubscriptionStmt *stmt, bool isTopLevel)
bool refresh;
List *publist;
publist = merge_publications(sub->publications, stmt->publication, isadd, stmt->subname);
parse_subscription_options(stmt->options,
NULL, /* no "connect" */
NULL, NULL, /* no "enabled" */
@ -967,6 +965,8 @@ AlterSubscription(AlterSubscriptionStmt *stmt, bool isTopLevel)
NULL, NULL, /* no "binary" */
NULL, NULL); /* no "streaming" */
publist = merge_publications(sub->publications, stmt->publication, isadd, stmt->subname);
values[Anum_pg_subscription_subpublications - 1] =
publicationListToArray(publist);
replaces[Anum_pg_subscription_subpublications - 1] = true;
@ -1676,7 +1676,7 @@ merge_publications(List *oldpublist, List *newpublist, bool addpub, const char *
if (!oldpublist)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("subscription must contain at least one publication")));
errmsg("cannot drop all the publications from a subscription")));
return oldpublist;
}