Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/tajo/pull/442#discussion_r27780957
--- Diff: tajo-core/src/main/java/org/apache/tajo/session/Session.java ---
@@ -121,6 +124,10 @@ public synchronized String getCurrentDatabase() {
return currentDatabase;
}
+ public synchronized void setQueryCache(LoadingCache<String, Expr> cache)
{ this.cache = cache; }
--- End diff --
That's not true. According to @hyunsik 's advice,it's a sesstion based
cache. It is set once for each sesstion.
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