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-rw-r--r--src/bin/psql/command.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 6ead800aeb1..2cd3ab4cf72 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -1512,6 +1512,12 @@ do_connect(char *dbname, char *user, char *host, char *port)
*n_conn;
char *password = NULL;
+ if (!o_conn && (!dbname || !user || !host || !port))
+ {
+ fputs(_("All connection parameters must be supplied because no database connection exists\n"), stderr);
+ return false;
+ }
+
if (!dbname)
dbname = PQdb(o_conn);
if (!user)