[sr-dev] git:master:501c41dd: db_mongodb: re-init iterator and search again if fails to find from crt position

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 501c41dd35fb9f15fdf96f4f3778860395e37a84
URL: https://github.com/kamailio/kamailio/commit/501c41dd35fb9f15fdf96f4f3778860395e37a84

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2017-03-07T08:56:37+01:00

db_mongodb: re-init iterator and search again if fails to find from crt position

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Modified: src/modules/db_mongodb/mongodb_dbase.c

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Diff:  https://github.com/kamailio/kamailio/commit/501c41dd35fb9f15fdf96f4f3778860395e37a84.diff
Patch: https://github.com/kamailio/kamailio/commit/501c41dd35fb9f15fdf96f4f3778860395e37a84.patch

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diff --git a/src/modules/db_mongodb/mongodb_dbase.c b/src/modules/db_mongodb/mongodb_dbase.c
index f4316ae..759b1c6 100644
--- a/src/modules/db_mongodb/mongodb_dbase.c
+++ b/src/modules/db_mongodb/mongodb_dbase.c
@@ -377,9 +377,16 @@ int db_mongodb_get_columns(const db1_con_t* _h, db1_res_t* _r)
 		LM_DBG("Found a field[%d] named: %s\n", col, colname);
 		if(mgres->colsdoc) {
 			if(!bson_iter_find(&riter, colname)) {
-				LM_ERR("field [%s] not found in result iterator\n",
-						colname);
-				return -4;
+				/* re-init the iterator */
+				if (!bson_iter_init (&riter, mgres->rdoc)) {
+					LM_ERR("failed to initialize result iterator\n");
+					return -3;
+				}
+				if(!bson_iter_find(&riter, colname)) {
+					LM_ERR("field [%s] not found in result iterator\n",
+							colname);
+					return -4;
+				}
 			}
 			coltype = bson_iter_type(&riter);
 		} else {