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-rw-r--r--src/bin/pg_dump/pg_dumpall.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/bin/pg_dump/pg_dumpall.c b/src/bin/pg_dump/pg_dumpall.c
index 336ae588c7d..05c96462f38 100644
--- a/src/bin/pg_dump/pg_dumpall.c
+++ b/src/bin/pg_dump/pg_dumpall.c
@@ -452,6 +452,9 @@ main(int argc, char *argv[])
* database we're connected to at the moment is fine.
*/
+ /* Restore will need to write to the target cluster */
+ fprintf(OPF, "SET default_transaction_read_only = off;\n\n");
+
/* Replicate encoding and std_strings in output */
fprintf(OPF, "SET client_encoding = '%s';\n",
pg_encoding_to_char(encoding));
@@ -1598,6 +1601,17 @@ dumpDatabases(PGconn *conn)
fprintf(OPF, "\\connect %s\n\n", fmtId(dbname));
+ /*
+ * Restore will need to write to the target cluster. This connection
+ * setting is emitted for pg_dumpall rather than in the code also used
+ * by pg_dump, so that a cluster with databases or users which have
+ * this flag turned on can still be replicated through pg_dumpall
+ * without editing the file or stream. With pg_dump there are many
+ * other ways to allow the file to be used, and leaving it out allows
+ * users to protect databases from being accidental restore targets.
+ */
+ fprintf(OPF, "SET default_transaction_read_only = off;\n\n");
+
if (filename)
fclose(OPF);