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Change-Id: I959e35bcee1698ebc35534dc4f390c5c2c7dc919 Reviewed-on: http://gerrit.ent.cloudera.com:8080/141 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: Alex Behm <alex.behm@cloudera.com>
185 lines
5.3 KiB
Plaintext
185 lines
5.3 KiB
Plaintext
====
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---- CREATE_VIEW
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# Simple view without removing/renaming any columns.
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create view test as select * from functional.alltypes
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Simple view some columns renamed.
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create view test (abc, xyz) as
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select string_col, timestamp_col from functional.alltypes
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# View with aggregates and group by.
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create view test (c, a, g) as
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select count(string_col) as x, avg(bigint_col) as y, int_col
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from functional.alltypes group by int_col
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test that auto-generated column names are fully compatible
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# (non-SlotRef exprs use auto-generated column names)
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create view test as
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select int_col % 3, trim(string_col), float_col * 10
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from functional.alltypes
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test that auto-generated column names are fully compatible
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# (non-SlotRef exprs use auto-generated column names)
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create view test (a, b, c) as
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select int_col % 3, trim(string_col), float_col * 10
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from functional.alltypes
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test that exotic column names are quoted in
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# Impala's view to make them parseable by Hive.
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# Hive cannot parse the unquoted identifiers starting with "_",
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# so the view creation should fail.
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create view test as
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select _c0, _c1, _c2 from
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(select int_col % 3 AS _c0, trim(string_col) AS _c1, float_col * 10 AS _c2
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from functional.alltypes) t
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=FAILURE
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test that Impala adds quotes to table aliases if necessary
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# and that Impala omits "AS" for table aliases to make
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# the view parseable by Hive. Hive cannot parse "AS" before table aliases,
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# so Hive's view creation should fail but it should be able to parse
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# Impala's view.
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create view test as
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select int_col, string_col, float_col from
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(select int_col, string_col, float_col
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from functional.alltypes) as t
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=FAILURE
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Same test as above, except without the "AS" to make the view creation
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# in Hive succeed. Both Impala and Hive should be able to parse the view.
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create view test as
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select int_col, string_col, float_col from
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(select int_col, string_col, float_col
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from functional.alltypes) t
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test a complex query with subqueries, joins, aggregates, group by,
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# order by and limit. The view is not parsable by Hive because Hive
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# requires explicit aliases for columns referenced in the oder by clause.
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create view test (a, b, c) as
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select count(t1.int_col), avg(t2.float_col), t1.string_col from
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(select id, int_col, string_col from functional.alltypesagg where id < 10) t1
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inner join
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(select id, float_col, string_col from functional.alltypes where id < 5) t2
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on t1.id = t2.id
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where t1.int_col % 2 = 0 and t2.float_col is not null
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group by t1.string_col having count(t2.float_col) > 2
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order by t1.string_col limit 100
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=FAILURE
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=FAILURE
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====
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---- CREATE_VIEW
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# Test a complex query with an explicit alias for the order-by columns.
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# This time both Hive and Impala can parse the view.
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create view test (a, b, c) as
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select count(t1.int_col), avg(t2.float_col), t1.string_col as scol from
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(select id, int_col, string_col from functional.alltypesagg where id < 10) t1
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inner join
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(select id, float_col, string_col from functional.alltypes where id < 5) t2
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on t1.id = t2.id
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where t1.int_col % 2 = 0 and t2.float_col is not null
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group by t1.string_col having count(t2.float_col) > 2
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order by scol limit 100
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# Test that identifiers requiring quotes have quotes in
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# their view definition and are parseable by both Hive and Impala.
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create view test (abc, xyz) as
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select string_col as `^^^`, int_col as `???` from functional.alltypes
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---- CREATE_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=SUCCESS
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---- QUERY_IMPALA_VIEW_RESULTS
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IMPALA=SUCCESS
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HIVE=SUCCESS
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====
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---- CREATE_VIEW
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# A view that uses a Hive-specfic SQL construct (SORT BY)
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# is expected to work only in Hive (and fail gracefully in Impala).
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create view test as select int_col from functional.alltypes sort by int_col
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---- CREATE_VIEW_RESULTS
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IMPALA=FAILURE
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HIVE=SUCCESS
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---- QUERY_HIVE_VIEW_RESULTS
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IMPALA=FAILURE
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====
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