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Fixed converting const DateTime to DateTime64 in WHERE

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This commit is contained in:
Vasily Nemkov 2021-05-13 20:04:44 +03:00
parent ed3f89a7be
commit 1330ef7567
3 changed files with 59 additions and 1 deletions
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8
src/Interpreters/convertFieldToType.cpp
View File

@ -201,7 +201,13 @@ Field convertFieldToTypeImpl(const Field & src, const IDataType & type, const ID
return src;
}
/// TODO Conversion from integers to DateTime64
if (which_type.isDateTime64()
&& (which_from_type.isNativeInt() || which_from_type.isNativeUInt() || which_from_type.isDateOrDateTime()))
{
const auto scale = static_cast<const DataTypeDateTime64 &>(type).getScale();
const auto decimal_value = DecimalUtils::decimalFromComponents<DateTime64>(src.reinterpret<Int64>(), 0, scale);
return Field(DecimalField<DateTime64>(decimal_value, scale));
}
}
else if (which_type.isUUID() && src.getType() == Field::Types::UUID)
{

12
tests/queries/0_stateless/01866_datetime64_cmp_with_constant.reference Normal file
View File

@ -0,0 +1,12 @@
dt64 <= const dt
dt64 <= dt
dt <= const dt64
dt <= dt64
dt64 = const dt
dt64 = dt
dt = const dt64
dt = dt64
dt64 >= const dt
dt64 >= dt
dt >= const dt64
dt >= dt64

40
tests/queries/0_stateless/01866_datetime64_cmp_with_constant.sql Normal file
View File

@ -0,0 +1,40 @@
CREATE TABLE dt64test
(
`dt64_column` DateTime64(3),
`dt_column` DateTime DEFAULT toDateTime(dt64_column)
)
ENGINE = MergeTree
PARTITION BY toYYYYMM(dt64_column)
ORDER BY dt64_column;
INSERT INTO dt64test (`dt64_column`) VALUES ('2020-01-13 13:37:00');
SELECT 'dt64 < const dt' FROM dt64test WHERE dt64_column < toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 < dt' FROM dt64test WHERE dt64_column < materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt < const dt64' FROM dt64test WHERE dt_column < toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt < dt64' FROM dt64test WHERE dt_column < materialize(toDateTime64('2020-01-13 13:37:00', 3));
SELECT 'dt64 <= const dt' FROM dt64test WHERE dt64_column <= toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 <= dt' FROM dt64test WHERE dt64_column <= materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt <= const dt64' FROM dt64test WHERE dt_column <= toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt <= dt64' FROM dt64test WHERE dt_column <= materialize(toDateTime64('2020-01-13 13:37:00', 3));
SELECT 'dt64 = const dt' FROM dt64test WHERE dt64_column = toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 = dt' FROM dt64test WHERE dt64_column = materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt = const dt64' FROM dt64test WHERE dt_column = toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt = dt64' FROM dt64test WHERE dt_column = materialize(toDateTime64('2020-01-13 13:37:00', 3));
SELECT 'dt64 >= const dt' FROM dt64test WHERE dt64_column >= toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 >= dt' FROM dt64test WHERE dt64_column >= materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt >= const dt64' FROM dt64test WHERE dt_column >= toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt >= dt64' FROM dt64test WHERE dt_column >= materialize(toDateTime64('2020-01-13 13:37:00', 3));
SELECT 'dt64 > const dt' FROM dt64test WHERE dt64_column > toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 > dt' FROM dt64test WHERE dt64_column > materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt > const dt64' FROM dt64test WHERE dt_column > toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt > dt64' FROM dt64test WHERE dt_column > materialize(toDateTime64('2020-01-13 13:37:00', 3));
SELECT 'dt64 != const dt' FROM dt64test WHERE dt64_column != toDateTime('2020-01-13 13:37:00');
SELECT 'dt64 != dt' FROM dt64test WHERE dt64_column != materialize(toDateTime('2020-01-13 13:37:00'));
SELECT 'dt != const dt64' FROM dt64test WHERE dt_column != toDateTime64('2020-01-13 13:37:00', 3);
SELECT 'dt != dt64' FROM dt64test WHERE dt_column != materialize(toDateTime64('2020-01-13 13:37:00', 3));