blob: 6256c8e8f3e6f249569eabeb8f016354a442d9d8 [file] [log] [blame]
# Test implicit and explicit casts. Binary predicates containing an explicit cast
# cannot be offered to the data source.
select * from functional.alltypes_datasource
where tinyint_col < 256 and
float_col != 0 and
cast(int_col as bigint) < 10
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_datasource]
data source predicates: tinyint_col < 256
predicates: float_col != 0, CAST(int_col AS BIGINT) < 10
row-size=116B cardinality=500
====
# The first four predicates are in a form that can be offered to the data source
# and the first and third will be accepted (it accepts every other conjunct).
# The second and fourth will be evaluated by Impala. The negated predicates,
# i.e. NOT <PREDICATE>, are not in a form able to be offered to the data source,
# so they will always be evaluated by Impala.
select * from functional.alltypes_datasource
where 10 > int_col and
5 > double_col and
string_col != "Foo" and
string_col != "Bar" and
not true = bool_col and
not 5.0 = double_col
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_datasource]
data source predicates: int_col < 10, string_col != 'Foo'
predicates: double_col < 5, NOT bool_col = TRUE, NOT double_col = 5.0, string_col != 'Bar'
row-size=116B cardinality=500
====
# The 3rd predicate is not in a form that can be offered to the data source so
# the 4th will be offered and accepted instead.
select * from functional.alltypes_datasource
where int_col < 10 and
double_col > 5 and
string_col in ("Foo", "Bar") and
bool_col != false
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_datasource]
data source predicates: int_col < 10, bool_col != FALSE
predicates: double_col > 5, string_col IN ('Foo', 'Bar')
row-size=116B cardinality=500
====
# Tests that all predicates from the On-clause are applied (IMPALA-805)
# and that slot equivalences are enforced at lowest possible plan node
# for tables produced by a data source.
select 1 from functional.alltypes_datasource a
inner join functional.alltypes_datasource b
# equivalence class
on a.id = b.id and a.id = b.int_col and a.id = b.bigint_col
and a.tinyint_col = b.id and a.smallint_col = b.id
and a.int_col = b.id and a.bigint_col = b.id
# redundant predicates to test minimal spanning tree of equivalent slots
where a.tinyint_col = a.smallint_col and a.int_col = a.bigint_col
---- PLAN
PLAN-ROOT SINK
|
02:HASH JOIN [INNER JOIN]
| hash predicates: a.id = b.id
| row-size=35B cardinality=500
|
|--01:SCAN DATA SOURCE [functional.alltypes_datasource b]
|--predicates: b.id = b.int_col, b.id = b.bigint_col
| row-size=0B cardinality=500
|
00:SCAN DATA SOURCE [functional.alltypes_datasource a]
predicates: a.id = a.int_col, a.id = a.tinyint_col, a.int_col = a.bigint_col, a.tinyint_col = a.smallint_col
row-size=0B cardinality=500
====
# Tests that <=>, IS DISTINCT FROM, and IS NOT DISTINCT FROM all can be offered to the
# data source.
select * from functional.alltypes_datasource
where id <=> 1
and bool_col <=> true
and tinyint_col IS DISTINCT FROM 2
and smallint_col IS DISTINCT FROM 3
and int_col is not distinct from 4
and bigint_col is not distinct from 5
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_datasource]
data source predicates: id IS NOT DISTINCT FROM 1, tinyint_col IS DISTINCT FROM 2, int_col IS NOT DISTINCT FROM 4
predicates: bigint_col IS NOT DISTINCT FROM 5, bool_col IS NOT DISTINCT FROM TRUE, smallint_col IS DISTINCT FROM 3
row-size=116B cardinality=500
====
# EmptySet datasource
select * from functional.alltypes_datasource
where id <=> 1 and id = 2
and bool_col <=> true
and tinyint_col IS DISTINCT FROM 2
and smallint_col IS DISTINCT FROM 3
and int_col is not distinct from 4
and bigint_col is not distinct from 5
---- PLAN
PLAN-ROOT SINK
|
00:EMPTYSET
====
# IMPALA-12815: Support timestamp as external datasource scan predicates
select * from functional.alltypes_jdbc_datasource where date_col > DATE '2009-01-02'
and timestamp_col > '2009-01-02 00:12:00' limit 15
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_jdbc_datasource]
data source predicates: date_col > DATE '2009-01-02', timestamp_col > TIMESTAMP '2009-01-02 00:12:00'
limit: 15
row-size=64B cardinality=1
====
# IMPALA-12815: use timestamp with cast() and to_timestamp()
select * from functional.alltypes_jdbc_datasource where timestamp_col between
date_add(cast('2009-01-01' as timestamp), interval 1 day) and to_timestamp('Jan 04, 2009', 'MMM dd, yyyy') limit 15;
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.alltypes_jdbc_datasource]
data source predicates: timestamp_col >= TIMESTAMP '2009-01-02 00:00:00', timestamp_col <= TIMESTAMP '2009-01-04 00:00:00'
limit: 15
row-size=64B cardinality=1
====
select * from functional.jdbc_decimal_tbl where d3 > 123.456 and d5 < 10.0
---- PLAN
PLAN-ROOT SINK
|
00:SCAN DATA SOURCE [functional.jdbc_decimal_tbl]
data source predicates: d3 > 123.456, d5 < 10.0
row-size=52B cardinality=1
====