feat: add metric counter for unindexed mango queries. Closes #1913 (#2390)
diff --git a/src/couch/priv/stats_descriptions.cfg b/src/couch/priv/stats_descriptions.cfg
index 0e22713..ae203bb 100644
--- a/src/couch/priv/stats_descriptions.cfg
+++ b/src/couch/priv/stats_descriptions.cfg
@@ -298,3 +298,7 @@
{type, counter},
{desc, <<"number of the attempts to read beyond set limit">>}
]}.
+{[mango, unindexed_queries], [
+ {type, counter},
+ {desc, <<"number of mango queries that could not use an index">>}
+]}.
diff --git a/src/mango/src/mango_cursor.erl b/src/mango/src/mango_cursor.erl
index c6f21dd..dc2ee74 100644
--- a/src/mango/src/mango_cursor.erl
+++ b/src/mango/src/mango_cursor.erl
@@ -182,6 +182,7 @@
UserAcc;
maybe_add_warning_int(Warning, UserFun, UserAcc) ->
+ couch_stats:increment_counter([mango, unindexed_queries]),
Arg = {add_key, warning, Warning},
{_Go, UserAcc0} = UserFun(Arg, UserAcc),
UserAcc0.
