I commented on the JIRA you filed here: PHOENIX-4791. Best to keep discussion there. Thanks, James
On Mon, Aug 13, 2018 at 11:08 AM, Gerald Sangudi <gsang...@23andme.com> wrote: > Hello all, > > Any suggestions or pointers on the issue below? > > Projecting array elements works when not using joins, and does not work > when we use hash joins. Is there an issue with the ProjectionCompiler for > joins? I have not been able to isolate the specific cause, and would > appreciate any pointers or suggestions. > > Thanks, > Gerald > > On Tue, Jun 19, 2018 at 10:02 AM, Tulasi Paradarami < > tulasi.krishn...@gmail.com> wrote: > >> Hi, >> >> I'm running few tests against Phoenix array and running into this bug >> where array elements return null values when a join is involved. Is this a >> known issue/limitation of arrays? >> >> create table array_test_1 (id integer not null primary key, arr >> tinyint[5]); >> upsert into array_test_1 values (1001, array[0, 0, 0, 0, 0]); >> upsert into array_test_1 values (1002, array[0, 0, 0, 0, 1]); >> upsert into array_test_1 values (1003, array[0, 0, 0, 1, 1]); >> upsert into array_test_1 values (1004, array[0, 0, 1, 1, 1]); >> upsert into array_test_1 values (1005, array[1, 1, 1, 1, 1]); >> >> create table test_table_1 (id integer not null primary key, val varchar); >> upsert into test_table_1 values (1001, 'abc'); >> upsert into test_table_1 values (1002, 'def'); >> upsert into test_table_1 values (1003, 'ghi'); >> >> 0: jdbc:phoenix:localhost> select t1.id, t2.val, t1.arr[1], t1.arr[2], >> t1.arr[3] from array_test_1 as t1 join test_table_1 as t2 on t1.id = >> t2.id; >> +--------+---------+------------------------+--------------- >> ---------+------------------------+ >> | T1.ID | T2.VAL | ARRAY_ELEM(T1.ARR, 1) | ARRAY_ELEM(T1.ARR, 2) | >> ARRAY_ELEM(T1.ARR, 3) | >> +--------+---------+------------------------+--------------- >> ---------+------------------------+ >> | 1001 | abc | null | null | >> null | >> | 1002 | def | null | null | >> null | >> | 1003 | ghi | null | null | >> null | >> +--------+---------+------------------------+--------------- >> ---------+------------------------+ >> 3 rows selected (0.056 seconds) >> >> However, directly selecting array elements from the array returns data >> correctly. >> 0: jdbc:phoenix:localhost> select t1.id, t1.arr[1], t1.arr[2], t1.arr[3] >> from array_test_1 as t1; >> +-------+---------------------+---------------------+------- >> --------------+ >> | ID | ARRAY_ELEM(ARR, 1) | ARRAY_ELEM(ARR, 2) | ARRAY_ELEM(ARR, 3) >> | >> +-------+---------------------+---------------------+------- >> --------------+ >> | 1001 | 0 | 0 | 0 >> | >> | 1002 | 0 | 0 | 0 >> | >> | 1003 | 0 | 0 | 0 >> | >> | 1004 | 0 | 0 | 1 >> | >> | 1005 | 1 | 1 | 1 >> | >> +-------+---------------------+---------------------+------- >> --------------+ >> 5 rows selected (0.044 seconds) >> >> >> >
