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1a3d7ffd4f
Enforces that the planner treats IS NOT DISTINCT FROM as eligible for hash joins, but does not find the minimum spanning tree of equivalences for use in optimizing query plans; this is left as future work. Change-Id: I62c5300b1fbd764796116f95efe36573eed4c8d0 Reviewed-on: http://gerrit.cloudera.org:8080/710 Reviewed-by: Jim Apple <jbapple@cloudera.com> Tested-by: Internal Jenkins
131 lines
4.1 KiB
Plaintext
131 lines
4.1 KiB
Plaintext
====
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---- QUERY
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# Gets all types including a row with a NULL value. The predicate pushed to
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# the data source is not actually used, but the second predicate is
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# evaluated by Impala.
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select *
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from alltypes_datasource
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where float_col != 0 and
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int_col >= 1990 limit 5
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---- RESULTS
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1990,true,0,90,1990,4294967295,2189,1990,1970-01-01 00:00:01.990000000,'NULL',-999998009,-9999998009,-9999999999.9999998009,-9.9999999999999999999999999999999998009,-99999.98009
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1991,false,1,91,1991,0,2190.10009765625,1991,1970-01-01 00:00:01.991000000,'1991',999998008,9999998008,9999999999.9999998008,9.9999999999999999999999999999999998008,99999.98008
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1992,true,2,92,1992,4294967295,2191.199951171875,1992,1970-01-01 00:00:01.992000000,'1992',-999998007,-9999998007,-9999999999.9999998007,-9.9999999999999999999999999999999998007,-99999.98007
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1993,false,3,93,1993,0,2192.300048828125,1993,1970-01-01 00:00:01.993000000,'1993',999998006,9999998006,9999999999.9999998006,9.9999999999999999999999999999999998006,99999.98006
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1994,true,4,94,1994,4294967295,2193.39990234375,1994,1970-01-01 00:00:01.994000000,'1994',-999998005,-9999998005,-9999999999.9999998005,-9.9999999999999999999999999999999998005,-99999.98005
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---- TYPES
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INT, BOOLEAN, TINYINT, SMALLINT, INT, BIGINT, FLOAT, DOUBLE, TIMESTAMP, STRING, DECIMAL, DECIMAL, DECIMAL, DECIMAL, DECIMAL
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====
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---- QUERY
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# Project a subset of the columns
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select bigint_col, timestamp_col, double_col
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from alltypes_datasource
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where double_col != 0 and int_col >= 1990 limit 3
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---- RESULTS
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19900,1970-01-01 00:00:01.990000000,1990
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19910,1970-01-01 00:00:01.991000000,1991
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19920,1970-01-01 00:00:01.992000000,1992
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---- TYPES
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BIGINT, TIMESTAMP, DOUBLE
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====
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---- QUERY
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# count(*) with a predicate evaluated by Impala
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select count(*) from alltypes_datasource
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where float_col = 0 and
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string_col is not NULL
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---- RESULTS
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4000
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---- TYPES
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BIGINT
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====
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---- QUERY
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# count(*) with no predicates has no materialized slots
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select count(*) from alltypes_datasource
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---- RESULTS
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5000
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---- TYPES
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BIGINT
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====
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---- QUERY
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select string_col from alltypes_datasource
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where string_col = 'VALIDATE_PREDICATES##id LT 1 && id GT 1 && id LE 1 && id GE 1 && id EQ 1 && id NE 1'
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and id < 1 and id > 1 and id <= 1 and id >= 1 and id = 1 and id != 1
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---- RESULTS
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'SUCCESS'
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---- TYPES
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STRING
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====
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---- QUERY
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select string_col from alltypes_datasource
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where string_col = 'VALIDATE_PREDICATES##id LT 1 && id GT 1 && id LE 1 && id GE 1 && id EQ 1 && id NE 1'
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and 1 > id and 1 < id and 1 >= id and 1 <= id and 1 = id and 1 != id
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---- RESULTS
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'SUCCESS'
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---- TYPES
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STRING
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====
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---- QUERY
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# Test that <=>, IS DISTINCT FROM, and IS NOT DISTINCT FROM all can be validated
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select string_col from alltypes_datasource
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where string_col = 'VALIDATE_PREDICATES##id NOT_DISTINCT 1 && id DISTINCT_FROM 1 && id NOT_DISTINCT 1'
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and 1 <=> id and 1 IS DISTINCT FROM id and 1 IS NOT DISTINCT FROM id
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---- RESULTS
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'SUCCESS'
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---- TYPES
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STRING
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====
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---- QUERY
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# Test that <=>, IS DISTINCT FROM, and IS NOT DISTINCT FROM are evaluated just like their
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# equality counterparts
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select * from
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(select count(*) from alltypes_datasource
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where tinyint_col = 1 and smallint_col = 11) a
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union all
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(select count(*) from alltypes_datasource
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where tinyint_col <=> 1 and smallint_col <=> 11)
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---- RESULTS
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50
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50
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---- TYPES
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BIGINT
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====
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---- QUERY
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select * from
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(select count(*) from alltypes_datasource
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where smallint_col = 11 and tinyint_col = 1) a
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union all
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(select count(*) from alltypes_datasource
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where smallint_col <=> 11 and tinyint_col <=> 1)
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---- RESULTS
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500
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500
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---- TYPES
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BIGINT
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====
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---- QUERY
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select * from
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(select count(*) from alltypes_datasource
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where tinyint_col != 1 and smallint_col != 11) a
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union all
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(select count(*) from alltypes_datasource
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where tinyint_col IS DISTINCT FROM 1 and smallint_col IS DISTINCT FROM 11)
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---- RESULTS
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4950
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4950
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---- TYPES
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BIGINT
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====
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---- QUERY
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select * from
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(select count(*) from alltypes_datasource
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where smallint_col != 11 and tinyint_col != 1) a
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union all
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(select count(*) from alltypes_datasource
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where smallint_col IS DISTINCT FROM 11 and tinyint_col IS DISTINCT FROM 1)
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---- RESULTS
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4096
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4096
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---- TYPES
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BIGINT
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====
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