support default type for get_kv_table_rows

EOSIO · Jan 28, 2021 · 654a10a · 654a10a
1 parent b8736be
commit 654a10a
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Showing 3 changed files with 249 additions and 218 deletions.
diff --git a/libraries/chain/include/eosio/chain/backing_store/kv_context_chainbase.hpp b/libraries/chain/include/eosio/chain/backing_store/kv_context_chainbase.hpp
@@ -56,14 +56,19 @@ namespace eosio { namespace chain {
       int32_t kv_it_compare(const kv_iterator& rhs) override {
          EOS_ASSERT(rhs.is_kv_chainbase_context_iterator(), kv_bad_iter, "Incompatible key-value iterators");
          auto& r = static_cast<const kv_iterator_chainbase&>(rhs);
-         if (!current && !r.current)
-            return 0;
-
+
          EOS_ASSERT(contract == r.contract, kv_bad_iter, "Incompatible key-value iterators");
          EOS_ASSERT(!current || !tracker.is_removed(*current), kv_bad_iter, "Iterator to erased element");
          EOS_ASSERT(!r.current || !tracker.is_removed(*r.current), kv_bad_iter, "Iterator to erased element");
-         if (!current || !r.current) {
-            return r.current - current > 0; 
+         if (!r.current) {
+            if (!current)
+               return 0;
+            else {
+               return -1;
+            }
+         }
+         if (!current) {
+            return 1;
          }
 
          return compare_blob(current->kv_key, r.current->kv_key);