Github user hbdeshmukh commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/219#discussion_r107299532
--- Diff: query_execution/QueryContext.cpp ---
@@ -58,7 +59,8 @@ QueryContext::QueryContext(const
serialization::QueryContext &proto,
const CatalogDatabaseLite &database,
StorageManager *storage_manager,
const tmb::client_id scheduler_client_id,
- tmb::MessageBus *bus) {
+ tmb::MessageBus *bus)
+ : database_(static_cast<const CatalogDatabase&>(database)) {
--- End diff --
That would give us partial information - we will miss information about
blocks which get full during the operator execution. Right now, the way we find
out the memory occupied by a temporary relation is simply by estimating size of
each block and multiplying that with the number of blocks in the temporary
relation.
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