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Float/Doubles are lossy so using those as the default literal type is problematic. Change-Id: I5a619dd931d576e2e6cd7774139e9bafb9452db9 Reviewed-on: http://gerrit.ent.cloudera.com:8080/2758 Reviewed-by: Nong Li <nong@cloudera.com> Tested-by: jenkins
236 lines
5.1 KiB
Plaintext
236 lines
5.1 KiB
Plaintext
====
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---- QUERY
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# Create a simple view without renaming the columns.
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create view ddl_test_db.simple_view as
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select * from functional.alltypes
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---- RESULTS
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====
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---- QUERY
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# Test that 'if not exists' swallows the error (view already exists)
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create view if not exists ddl_test_db.simple_view as
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select * from functional.alltypesagg
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---- RESULTS
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====
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---- QUERY
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# Create another simple view with 'if not exists' on a subset of
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# alltypes' columns using custom column names and comments
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create view if not exists
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ddl_test_db.simple_view_sub (x, y comment 'hello', z) as
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select int_col, string_col, timestamp_col from functional.alltypes
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---- RESULTS
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====
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---- QUERY
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# Create a view on a parquet table (Hive cannot create/read/write parquet)
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create view ddl_test_db.parquet_view as
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select * from functional_parquet.alltypes where id < 20
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---- RESULTS
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====
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---- QUERY
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# Create a complex view with predicates, joins, aggregates and order by
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create view ddl_test_db.complex_view (abc comment 'agg', xyz comment 'gby') as
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select count(a.bigint_col), b.string_col from
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functional.alltypesagg a inner join functional.alltypestiny b
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on a.id = b.id where a.bigint_col < 50
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group by b.string_col having count(a.bigint_col) > 1
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order by b.string_col limit 100
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---- RESULTS
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====
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---- QUERY
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# Create a view on a view
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create view ddl_test_db.view_view (aaa, bbb) as
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select * from ddl_test_db.complex_view
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---- RESULTS
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====
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---- QUERY
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# Test that the views are displayed by 'show tables'
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show tables in ddl_test_db
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---- RESULTS
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'complex_view'
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'parquet_view'
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'simple_view'
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'simple_view_sub'
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'view_view'
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====
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---- QUERY
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# Test that the views can be described
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describe ddl_test_db.simple_view
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---- RESULTS
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'id','int',''
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'bool_col','boolean',''
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'tinyint_col','tinyint',''
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'smallint_col','smallint',''
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'int_col','int',''
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'bigint_col','bigint',''
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'float_col','float',''
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'double_col','double',''
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'date_string_col','string',''
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'string_col','string',''
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'timestamp_col','timestamp',''
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'year','int',''
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'month','int',''
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---- TYPES
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string,string,string
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====
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---- QUERY
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describe ddl_test_db.simple_view_sub
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---- RESULTS
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'x','int',''
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'y','string','hello'
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'z','timestamp',''
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---- TYPES
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string,string,string
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====
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---- QUERY
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describe ddl_test_db.complex_view
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---- RESULTS
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'abc','bigint','agg'
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'xyz','string','gby'
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---- TYPES
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string,string,string
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====
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---- QUERY
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describe ddl_test_db.parquet_view
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---- RESULTS
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'id','int',''
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'bool_col','boolean',''
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'tinyint_col','tinyint',''
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'smallint_col','smallint',''
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'int_col','int',''
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'bigint_col','bigint',''
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'float_col','float',''
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'double_col','double',''
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'date_string_col','string',''
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'string_col','string',''
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'timestamp_col','timestamp',''
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'year','int',''
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'month','int',''
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---- TYPES
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string,string,string
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====
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---- QUERY
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describe ddl_test_db.view_view
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---- RESULTS
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'aaa','bigint',''
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'bbb','string',''
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---- TYPES
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string,string,string
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====
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---- QUERY
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# Test that the views can be queried.
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select count(*) from ddl_test_db.simple_view
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---- RESULTS
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7300
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---- TYPES
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bigint
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====
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---- QUERY
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select count(*) from ddl_test_db.simple_view_sub
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---- RESULTS
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7300
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---- TYPES
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bigint
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====
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---- QUERY
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select count(*) from ddl_test_db.complex_view
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---- RESULTS
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2
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---- TYPES
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bigint
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====
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---- QUERY
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select count(*) from ddl_test_db.parquet_view
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---- RESULTS
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20
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---- TYPES
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bigint
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====
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---- QUERY
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select count(*) from ddl_test_db.view_view
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---- RESULTS
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2
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---- TYPES
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bigint
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====
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---- QUERY
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# Test dropping a view
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drop view ddl_test_db.simple_view_sub
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---- RESULTS
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====
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---- QUERY
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# Test that the view is gone
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show tables in ddl_test_db
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---- RESULTS
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'complex_view'
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'parquet_view'
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'simple_view'
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'view_view'
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====
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---- QUERY
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# Test 'if exists' for dropping a view (view does not exist)
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drop view if exists ddl_test_db.bad_view
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---- RESULTS
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====
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---- QUERY
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# Test renaming a view
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alter view ddl_test_db.view_view rename to ddl_test_db.view_on_view
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---- RESULTS
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====
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---- QUERY
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# Test renaming a parquet view
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alter view ddl_test_db.parquet_view rename to ddl_test_db.new_parquet_view
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---- RESULTS
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====
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---- QUERY
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# Test that the view was renamed
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show tables in ddl_test_db
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---- RESULTS
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'complex_view'
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'new_parquet_view'
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'simple_view'
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'view_on_view'
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====
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---- QUERY
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# Test altering a with a new definition
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alter view ddl_test_db.new_parquet_view as
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select bigint_col, string_col from functional_parquet.alltypesagg
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where bigint_col is null limit 10
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---- RESULTS
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====
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---- QUERY
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# Test querying the altered view
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select count(bigint_col), count(string_col) from ddl_test_db.new_parquet_view
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---- RESULTS
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0,10
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---- TYPES
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bigint,bigint
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====
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---- QUERY
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# Create a view on a constant select and try to query it.
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create view ddl_test_db.const_view
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as select 1, 'a', cast(10.0 as float)
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---- RESULTS
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====
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---- QUERY
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select * from ddl_test_db.const_view
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---- RESULTS
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1,'a',10
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---- TYPES
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tinyint,string,float
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====
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---- QUERY
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# Test that parentheses are preserved in view creation.
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# If the parentheses were ignored the query would return a count > 0.
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create view ddl_test_db.paren_view as
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select count(*) from functional.alltypessmall
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where true and (true or false) and false
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---- RESULTS
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====
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---- QUERY
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# Test that parentheses are preserved in view creation.
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select * from ddl_test_db.paren_view
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---- RESULTS
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0
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---- TYPES
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bigint
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====
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