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9939c9d009
Fixed a bug when setting the length in reading/write text files for CHAR(N). Also added chars_tiny table for testing CHAR(N) and VARCHAR(N). Change-Id: If5d5db30afa4b00cf03c68c6a845f182970329f4 Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4415 Reviewed-by: Victor Bittorf <victor.bittorf@cloudera.com> Tested-by: jenkins
176 lines
3.8 KiB
Plaintext
176 lines
3.8 KiB
Plaintext
====
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---- QUERY
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# TODO: string literals should start as CHAR(N) and analysis should promote as necessary
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# TODO: Test min/max aggregates on CHAR(N)
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# TODO: Test hash joins on varchar to char
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insert into test_char_tmp select cast("hello" as char(5))
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====
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---- QUERY
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select * from test_char_tmp
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---- TYPES
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char
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---- RESULTS
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'hello'
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====
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---- QUERY
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# Regression test for IMPALA-1248
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insert into test_char_tmp values (cast("hel" as char(5)))
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====
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---- QUERY
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insert into test_char_tmp select cast(cast("hello000" as VARCHAR(8)) as char(5))
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====
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---- QUERY
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select * from test_char_tmp where c = cast('hel' as char(5))
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---- TYPES
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char
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---- RESULTS
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'hel '
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====
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---- QUERY
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insert into test_char_tmp values (NULL)
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====
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---- QUERY
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select * from test_char_tmp as A CROSS JOIN test_char_tmp as B
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where B.c = cast('hel' as CHAR(5))
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ORDER BY A.c
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---- TYPES
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char, char
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---- RESULTS
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'hel ','hel '
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'hello','hel '
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'hello','hel '
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'NULL','hel '
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====
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---- QUERY
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select * from test_char_tmp as A, test_char_tmp as B
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where A.c = B.c AND A.c != 'hello'
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---- TYPES
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char, char
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---- RESULTS
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'hel ','hel '
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====
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---- QUERY
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select lower(c) from test_char_tmp ORDER BY c
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---- TYPES
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string
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---- RESULTS
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'hel '
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'hello'
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'hello'
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'NULL'
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====
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---- QUERY
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insert into test_varchar_tmp values (cast("hello" as varchar(5)))
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====
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---- QUERY
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select * from test_varchar_tmp
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---- TYPES
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string
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---- RESULTS
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'hello'
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====
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---- QUERY
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insert into test_varchar_tmp values (cast("xyzzzzz12" as varchar(7)))
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---- CATCH
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would need to be cast to VARCHAR(5)
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====
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---- QUERY
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insert into test_varchar_tmp values (cast("hel" as varchar(4)))
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====
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---- QUERY
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select * from test_varchar_tmp
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---- TYPES
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string
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---- RESULTS
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'hello'
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'hel'
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====
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---- QUERY
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insert into allchars values (cast("123456" as char(5)), cast("123456" as char(140)),
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cast("123456" as varchar(5)))
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====
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---- QUERY
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select cshort, clong, vc from allchars
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---- TYPES
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char,char,string
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---- RESULTS
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'12345','123456 ','12345'
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====
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---- QUERY
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insert into allchars_par values (cast("123456" as char(5)), cast("123456" as char(140)),
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cast("123456" as varchar(5)))
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====
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---- QUERY
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select cshort, clong, vc from allchars_par
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---- TYPES
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char,char,string
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---- RESULTS
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'12345','123456 ','12345'
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=======
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---- QUERY
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select count(*), count(cs), count(cl), count(vc) from chars_tiny
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---- TYPES
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bigint,bigint,bigint,bigint
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---- RESULTS
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9,8,8,8
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====
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---- QUERY
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select * from chars_tiny where cs = cast('6a' as CHAR(2))
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---- TYPES
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char,char,string
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---- RESULTS
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'6a ','6b ','6c'
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'6a ','6b ','6c'
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====
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---- QUERY
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select count(*) from chars_tiny where vc != cast('5c' as varchar(3))
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---- TYPES
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bigint
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---- RESULTS
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7
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====
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---- QUERY
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select count(*) from chars_tiny where cs != cast('a' as char(3))
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---- TYPES
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bigint
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---- RESULTS
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7
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====
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---- QUERY
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select count(DISTINCT cs) from chars_tiny where vc = cast('5c' as varchar(10))
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---- TYPES
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bigint
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---- RESULTS
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1
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====
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---- QUERY
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select count(DISTINCT cs) from chars_tiny where cs = cast('5a' as char(10))
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---- TYPES
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bigint
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---- RESULTS
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1
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====
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---- QUERY
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select cs, count(cl) from functional.chars_tiny group by cs having count(vc) > 1
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---- TYPES
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char, bigint
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---- RESULTS
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'6a ',2
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====
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---- QUERY
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select A.cs from functional.chars_tiny as A, functional.chars_tiny as B where
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cast(A.cs as char(1)) = cast(B.cl as char(1)) order by A.cs
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---- TYPES
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char
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---- RESULTS
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'1aaaa'
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'2aaaa'
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'3aaa '
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'4aa '
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'5a '
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'6a '
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'6a '
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'6a '
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'6a '
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====
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