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65353fd9fb
This change modifies that behavior of NULL ordering such that nulls always compare greater than other values, but "nulls first" or "nulls last" can be used to explicitly specify if nulls should be sorted first or last regardless of the asc/desc. Change-Id: I92feda1e7f42249de4009afd39f8395a0a32a2f8 Reviewed-on: http://gerrit.ent.cloudera.com:8080/812 Reviewed-by: Marcel Kornacker <marcel@cloudera.com> Reviewed-by: Matthew Jacobs <mj@cloudera.com> Tested-by: Matthew Jacobs <mj@cloudera.com>
106 lines
2.6 KiB
Plaintext
106 lines
2.6 KiB
Plaintext
====
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---- QUERY
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# Basic test with a single with-clause view.
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with t as (select int_col x, bigint_col y from functional.alltypestiny)
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select count(x), count(y) from t
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---- RESULTS
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8,8
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---- TYPES
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BIGINT, BIGINT
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====
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---- QUERY
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# Basic test with a single with-clause view that references a virtual view.
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with t as (select abc x, xyz y from functional.complex_view)
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select x, y from t order by y limit 10
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---- RESULTS
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2,'0'
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2,'1'
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---- TYPES
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BIGINT, STRING
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====
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---- QUERY
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# Multiple views in with-clause. Only one view is used.
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with t1 as (select int_col x, bigint_col y from functional.alltypestiny),
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t2 as (select 1 x , 10 y), t3 as (values(2 x , 20 y), (3, 30))
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select x, y from t2
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---- RESULTS
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1,10
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---- TYPES
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TINYINT, TINYINT
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====
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---- QUERY
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# Multiple views in with-clause. All views are used in a union.
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with t1 as (select int_col x, bigint_col y from functional.alltypestiny),
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t2 as (select 1 x , 10 y), t3 as (values(2 x , 20 y), (3, 30))
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select * from t1 union all select * from t2 union all (select * from t3) order by x limit 20
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---- RESULTS
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0,0
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0,0
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0,0
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0,0
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1,10
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1,10
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1,10
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1,10
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1,10
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2,20
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3,30
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---- TYPES
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INT, BIGINT
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====
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---- QUERY
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# Multiple views in with-clause. All views are used in a join.
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with t1 as (select int_col x, bigint_col y from functional.alltypes limit 2),
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t2 as (select int_col x, bigint_col y from functional.alltypestiny limit 2),
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t3 as (select int_col x, bigint_col y from functional.alltypessmall limit 2)
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select * from t1, t2, t3 where t1.x = t2.x and t2.x = t3.x
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---- RESULTS
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0,0,0,0,0,0
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1,10,1,10,1,10
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---- TYPES
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INT, BIGINT, INT, BIGINT, INT, BIGINT
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====
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---- QUERY
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# Self-join of with-clause table to make sure the join op is properly set
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# in the cloned inline-view instances.
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with t as (select int_col x, bigint_col y from functional.alltypestiny order by id limit 2)
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select * from t t1 left outer join t t2 on t1.y = t2.x full outer join t t3 on t2.y = t3.x
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order by t1.x limit 10
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---- RESULTS
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0,0,0,0,0,0
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1,10,NULL,NULL,NULL,NULL
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NULL,NULL,NULL,NULL,1,10
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---- TYPES
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INT, BIGINT, INT, BIGINT, INT, BIGINT
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====
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---- QUERY
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# Multiple with clauses. One for the UnionStmt and one for each union operand.
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with t1 as (values('a', 'b'))
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(with t2 as (values('c', 'd')) select * from t2) union all
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(with t3 as (values('e', 'f')) select * from t3)
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---- RESULTS
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'e','f'
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'c','d'
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---- TYPES
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STRING, STRING
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====
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---- QUERY
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# With clause containing an order by element that should be cloned properly.
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with t1 as (select tinyint_col, count(*) from alltypesagg group by 1
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order by 1 desc nulls last limit 10) select * from t1;
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---- RESULTS
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9,1000
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8,1000
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7,1000
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6,1000
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5,1000
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4,1000
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3,1000
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2,1000
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1,1000
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NULL,1000
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---- TYPES
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TINYINT, BIGINT
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====
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