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Diffstat (limited to 'src/backend/commands/subscriptioncmds.c')
-rw-r--r--src/backend/commands/subscriptioncmds.c60
1 files changed, 14 insertions, 46 deletions
diff --git a/src/backend/commands/subscriptioncmds.c b/src/backend/commands/subscriptioncmds.c
index 02ccc636b80..33575614e72 100644
--- a/src/backend/commands/subscriptioncmds.c
+++ b/src/backend/commands/subscriptioncmds.c
@@ -440,37 +440,6 @@ parse_subscription_options(ParseState *pstate, List *stmt_options,
}
/*
- * Add publication names from the list to a string.
- */
-static void
-get_publications_str(List *publications, StringInfo dest, bool quote_literal)
-{
- ListCell *lc;
- bool first = true;
-
- Assert(publications != NIL);
-
- foreach(lc, publications)
- {
- char *pubname = strVal(lfirst(lc));
-
- if (first)
- first = false;
- else
- appendStringInfoString(dest, ", ");
-
- if (quote_literal)
- appendStringInfoString(dest, quote_literal_cstr(pubname));
- else
- {
- appendStringInfoChar(dest, '"');
- appendStringInfoString(dest, pubname);
- appendStringInfoChar(dest, '"');
- }
- }
-}
-
-/*
* Check that the specified publications are present on the publisher.
*/
static void
@@ -486,7 +455,7 @@ check_publications(WalReceiverConn *wrconn, List *publications)
appendStringInfoString(cmd, "SELECT t.pubname FROM\n"
" pg_catalog.pg_publication t WHERE\n"
" t.pubname IN (");
- get_publications_str(publications, cmd, true);
+ GetPublicationsStr(publications, cmd, true);
appendStringInfoChar(cmd, ')');
res = walrcv_exec(wrconn, cmd->data, 1, tableRow);
@@ -523,7 +492,7 @@ check_publications(WalReceiverConn *wrconn, List *publications)
/* Prepare the list of non-existent publication(s) for error message. */
StringInfo pubnames = makeStringInfo();
- get_publications_str(publicationsCopy, pubnames, false);
+ GetPublicationsStr(publicationsCopy, pubnames, false);
ereport(WARNING,
errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg_plural("publication %s does not exist on the publisher",
@@ -2151,7 +2120,7 @@ check_publications_origin(WalReceiverConn *wrconn, List *publications,
" JOIN pg_subscription_rel PS ON (GPT.relid = PS.srrelid),\n"
" pg_class C JOIN pg_namespace N ON (N.oid = C.relnamespace)\n"
"WHERE C.oid = GPT.relid AND P.pubname IN (");
- get_publications_str(publications, &cmd, true);
+ GetPublicationsStr(publications, &cmd, true);
appendStringInfoString(&cmd, ")\n");
/*
@@ -2208,7 +2177,7 @@ check_publications_origin(WalReceiverConn *wrconn, List *publications,
StringInfo pubnames = makeStringInfo();
/* Prepare the list of publication(s) for warning message. */
- get_publications_str(publist, pubnames, false);
+ GetPublicationsStr(publist, pubnames, false);
ereport(WARNING,
errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
errmsg("subscription \"%s\" requested copy_data with origin = NONE but might copy data that had a different origin",
@@ -2243,17 +2212,17 @@ fetch_table_list(WalReceiverConn *wrconn, List *publications)
List *tablelist = NIL;
int server_version = walrcv_server_version(wrconn);
bool check_columnlist = (server_version >= 150000);
+ StringInfo pub_names = makeStringInfo();
initStringInfo(&cmd);
+ /* Build the pub_names comma-separated string. */
+ GetPublicationsStr(publications, pub_names, true);
+
/* Get the list of tables from the publisher. */
if (server_version >= 160000)
{
- StringInfoData pub_names;
-
tableRow[2] = INT2VECTOROID;
- initStringInfo(&pub_names);
- get_publications_str(publications, &pub_names, true);
/*
* From version 16, we allowed passing multiple publications to the
@@ -2275,9 +2244,7 @@ fetch_table_list(WalReceiverConn *wrconn, List *publications)
" FROM pg_publication\n"
" WHERE pubname IN ( %s )) AS gpt\n"
" ON gpt.relid = c.oid\n",
- pub_names.data);
-
- pfree(pub_names.data);
+ pub_names->data);
}
else
{
@@ -2288,12 +2255,13 @@ fetch_table_list(WalReceiverConn *wrconn, List *publications)
if (check_columnlist)
appendStringInfoString(&cmd, ", t.attnames\n");
- appendStringInfoString(&cmd, "FROM pg_catalog.pg_publication_tables t\n"
- " WHERE t.pubname IN (");
- get_publications_str(publications, &cmd, true);
- appendStringInfoChar(&cmd, ')');
+ appendStringInfo(&cmd, "FROM pg_catalog.pg_publication_tables t\n"
+ " WHERE t.pubname IN ( %s )",
+ pub_names->data);
}
+ destroyStringInfo(pub_names);
+
res = walrcv_exec(wrconn, cmd.data, check_columnlist ? 3 : 2, tableRow);
pfree(cmd.data);