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Change-Id: Ifa62b4ea231da47facb31c3f8d43e5e3ac73591f Reviewed-on: http://gerrit.ent.cloudera.com:8080/2284 Reviewed-by: Nong Li <nong@cloudera.com> Tested-by: jenkins (cherry picked from commit f1e5db2853135c4346788192e2dbc632d4fe1dfb) Reviewed-on: http://gerrit.ent.cloudera.com:8080/2497 Reviewed-by: Matthew Jacobs <mj@cloudera.com>
61 lines
2.2 KiB
Plaintext
61 lines
2.2 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 smallint_col, tinyint_col, int_col, bigint_col,
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float_col, bool_col, double_col, string_col, timestamp_col
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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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90,0,1990,19900,2189,true,1990,'NULL',1970-01-01 00:00:01.990000000
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91,1,1991,19910,2190.10009765625,false,1991,'1991',1970-01-01 00:00:01.991000000
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92,2,1992,19920,2191.199951171875,true,1992,'1992',1970-01-01 00:00:01.992000000
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93,3,1993,19930,2192.300048828125,false,1993,'1993',1970-01-01 00:00:01.993000000
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94,4,1994,19940,2193.39990234375,true,1994,'1994',1970-01-01 00:00:01.994000000
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---- TYPES
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SMALLINT, TINYINT, INT, BIGINT, FLOAT, BOOLEAN, DOUBLE, STRING, TIMESTAMP
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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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# Test decimal values. The test data source returns very large and very small values.
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select * from decimal_datasource limit 5
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---- RESULTS
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-999999999,-9999999999,-9999999999.9999999999,-9.9999999999999999999999999999999999999,-99999.99999
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999999998,9999999998,9999999999.9999999998,9.9999999999999999999999999999999999998,99999.99998
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-999999997,-9999999997,-9999999999.9999999997,-9.9999999999999999999999999999999999997,-99999.99997
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999999996,9999999996,9999999999.9999999996,9.9999999999999999999999999999999999996,99999.99996
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-999999995,-9999999995,-9999999999.9999999995,-9.9999999999999999999999999999999999995,-99999.99995
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---- TYPES
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DECIMAL, DECIMAL, DECIMAL, DECIMAL, DECIMAL
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==== |