what's your Phoenix's version?
---------------------------------------- Yun Zhang Best regards! 2018-06-20 1:02 GMT+08:00 Tulasi Paradarami <tulasi.krishn...@gmail.com>: > 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) > > >
