public QueryProperties getQueryProperties() {
    return queryProperties;
  }
Checks if given specification is proper specification for prefix of
partition cols, for table partitioned by ds, hr, min valid ones are
(ds='2008-04-08'), (ds='2008-04-08', hr='12'), (ds='2008-04-08', hr='12', min='30')
invalid one is for example (ds='2008-04-08', min='30')
@param spec specification key-value map
@return true if the specification is prefix; never returns false, but throws
@throws HiveException
ql/src/java/org/apache/hadoop/hive/ql/parse/BaseSemanticAnalyzer.java