ql/src/test/queries/clientpositive/stats1.q

--! qt:dataset:src1
--! qt:dataset:src
set hive.strict.checks.bucketing=false;

set hive.mapred.mode=nonstrict;
set datanucleus.cache.collections=false;
set hive.stats.autogather=true;
set hive.merge.mapfiles=false;
set hive.merge.mapredfiles=false;
set hive.map.aggr=true;

-- SORT_QUERY_RESULTS

create table tmptable_n4(key string, value string);

EXPLAIN
INSERT OVERWRITE TABLE tmptable_n4
SELECT unionsrc.key, unionsrc.value 
FROM (SELECT 'tst1' AS key, cast(count(1) AS string) AS value FROM src s1
      UNION  ALL  
      SELECT s2.key AS key, s2.value AS value FROM src1 s2) unionsrc;

INSERT OVERWRITE TABLE tmptable_n4
SELECT unionsrc.key, unionsrc.value 
FROM (SELECT 'tst1' AS key, cast(count(1) AS string) AS value FROM src s1
      UNION  ALL  
      SELECT s2.key AS key, s2.value AS value FROM src1 s2) unionsrc;

SELECT * FROM tmptable_n4 x SORT BY x.key, x.value;

DESCRIBE FORMATTED tmptable_n4;

-- Load a file into a existing table
-- Some stats (numFiles, totalSize) should be updated correctly
-- Some other stats (numRows, rawDataSize) should be cleared
load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE tmptable_n4;
DESCRIBE FORMATTED tmptable_n4;