Major - P3 need to handle command object variant
cmd: {
"query" : {
[js_test:basic2] 2017-07-20T16:29:50.439-0400 "count" : "basic2",
[js_test:basic2] 2017-07-20T16:29:50.439-0400 "query" : {
[js_test:basic2] 2017-07-20T16:29:50.439-0400
[js_test:basic2] 2017-07-20T16:29:50.440-0400 },
[js_test:basic2] 2017-07-20T16:29:50.440-0400 "fields" : {
[js_test:basic2] 2017-07-20T16:29:50.440-0400
[js_test:basic2] 2017-07-20T16:29:50.440-0400 },
[js_test:basic2] 2017-07-20T16:29:50.440-0400 "readConcern" : {
[js_test:basic2] 2017-07-20T16:29:50.440-0400 "afterClusterTime" : Timestamp(1500582590, 4),
[js_test:basic2] 2017-07-20T16:29:50.440-0400 "level" : "local"
[js_test:basic2] 2017-07-20T16:29:50.441-0400 }
[js_test:basic2] 2017-07-20T16:29:50.441-0400 },
[js_test:basic2] 2017-07-20T16:29:50.441-0400 "$readPreference" : {
[js_test:basic2] 2017-07-20T16:29:50.441-0400 "mode" : "secondary"
[js_test:basic2] 2017-07-20T16:29:50.441-0400 }
[js_test:basic2] 2017-07-20T16:29:50.441-0400 }
i.e the readConcern needs to be inside the "query" or "$query" commands