GehaFearless commented on code in PR #1091:
URL: https://github.com/apache/incubator-pegasus/pull/1091#discussion_r949842378
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src/client_lib/pegasus_scanner_impl.cpp:
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@@ -261,6 +278,17 @@ void
pegasus_client_impl::pegasus_scanner_impl::_on_scan_response(::dsn::error_c
_kvs = std::move(response.kvs);
_p = -1;
_context = response.context_id;
+ // 1. kv_count exist on response means server is newer version
(added counting size only
+ // implementation)
+ // 1> kv_count == -1 indicates response still have key and value
data
+ // 2> kv_count > -1 indicates response only have kv size count,
but not key && value
+ // 2. kv_count is not existed means server is older version
+ if (response.__isset.kv_count) {
+ if (response.kv_count != -1) {
Review Comment:
case value_filter be used on higher sever
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