Github user jameszhouyi commented on the pull request:
https://github.com/apache/spark/pull/5688#issuecomment-104464124
@viirya , please see below query details with Using script transform:
ADD FILE ${env:BIG_BENCH_QUERIES_DIR}/Resources/bigbenchqueriesmr.jar;
--CREATE RESULT TABLE. Store query result externally in
output_dir/qXXresult/
DROP TABLE IF EXISTS ${hiveconf:RESULT_TABLE};
CREATE TABLE ${hiveconf:RESULT_TABLE} (
pid1 BIGINT,
pid2 BIGINT,
cnt BIGINT
)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n'
STORED AS ${env:BIG_BENCH_hive_default_fileformat_result_table} LOCATION
'${hiveconf:RESULT_DIR}';
-- the real query part
--Find the most frequent ones
INSERT INTO TABLE ${hiveconf:RESULT_TABLE}
SELECT pid1, pid2, COUNT (*) AS cnt
FROM (
--Make items basket
FROM (
-- Joining two tables
SELECT s.ss_ticket_number AS oid , s.ss_item_sk AS pid
FROM store_sales s
INNER JOIN item i ON (s.ss_item_sk = i.i_item_sk)
WHERE i.i_category_id in (${hiveconf:q01_i_category_id_IN})
AND s.ss_store_sk in (${hiveconf:q01_ss_store_sk_IN})
CLUSTER BY oid
) q01_map_output
REDUCE q01_map_output.oid, q01_map_output.pid
USING '${env:BIG_BENCH_JAVA} ${env:BIG_BENCH_java_child_process_xmx} -cp
bigbenchqueriesmr.jar de.bankmark.bigbench.queries.q01.Red -ITEM_SET_MAX
${hiveconf:q01_NPATH_ITEM_SET_MAX} '
AS (pid1 BIGINT, pid2 BIGINT)
) q01_temp_basket
GROUP BY pid1, pid2
HAVING COUNT (pid1) > ${hiveconf:q01_COUNT_pid1_greater}
CLUSTER BY pid1 ,cnt ,pid2
;
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