lib-sql: cassandra - Fail clearly if cassandra_hosts or cassandra_keyspace is empty

diff --git a/src/lib-sql/driver-cassandra.c b/src/lib-sql/driver-cassandra.c
index cbc7be121ebcacbb5f22ed78376af8108ae3ab02..60aa169f134b599c54d9723c11e342bb31287bd0 100644 (file)
--- a/src/lib-sql/driver-cassandra.c
+++ b/src/lib-sql/driver-cassandra.c
@@ -1010,6 +1010,15 @@ driver_cassandra_init_from_set(struct event *event_parent,
 {
        struct cassandra_db *db;
 
+       if (array_is_empty(&set->hosts)) {
+               *error_r = "cassandra_hosts is empty";
+               return -1;
+       }
+       if (set->keyspace[0] == '\0') {
+               *error_r = "cassandra_keyspace is empty";
+               return -1;
+       }
+
        db = i_new(struct cassandra_db, 1);
        db->api = driver_cassandra_db;
        db->set = set;