public String getInvalidResultCacheReason() {
    return invalidResultCacheReason;
  }
Check the query results cache to see if the query represented by the lookupInfo can be
answered using the results cache. If the cache contains a suitable entry, the semantic analyzer
will be configured to use the found cache entry to answer the query.
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java