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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| import datetime | ||
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| import daft | ||
| from daft import col | ||
| from daft.sql.sql import SQLCatalog | ||
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| def test_temporals(): | ||
| df = daft.from_pydict( | ||
| { | ||
| "datetimes": [ | ||
| datetime.datetime(2021, 1, 1, 23, 59, 58), | ||
| datetime.datetime(2021, 1, 2, 0, 0, 0), | ||
| datetime.datetime(2021, 1, 2, 1, 2, 3), | ||
| datetime.datetime(2021, 1, 2, 1, 2, 3), | ||
| datetime.datetime(1999, 1, 1, 1, 1, 1), | ||
| None, | ||
| ] | ||
| } | ||
| ) | ||
| catalog = SQLCatalog({"test": df}) | ||
| print(df) | ||
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| expected = df.select( | ||
| daft.col("datetimes").dt.date().alias("date"), | ||
| daft.col("datetimes").dt.day().alias("day"), | ||
| daft.col("datetimes").dt.day_of_week().alias("day_of_week"), | ||
| daft.col("datetimes").dt.hour().alias("hour"), | ||
| daft.col("datetimes").dt.minute().alias("minute"), | ||
| daft.col("datetimes").dt.month().alias("month"), | ||
| daft.col("datetimes").dt.second().alias("second"), | ||
| daft.col("datetimes").dt.year().alias("year"), | ||
| ).collect() | ||
|
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| actual = daft.sql( | ||
| """ | ||
| SELECT | ||
| date(datetimes) as date, | ||
| day(datetimes) as day, | ||
| dayofweek(datetimes) as day_of_week, | ||
| hour(datetimes) as hour, | ||
| minute(datetimes) as minute, | ||
| month(datetimes) as month, | ||
| second(datetimes) as second, | ||
| year(datetimes) as year, | ||
| FROM test | ||
| """, | ||
| catalog=catalog, | ||
| ).collect() | ||
|
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| assert actual.to_pydict() == expected.to_pydict() | ||
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| def test_interval(): | ||
| df = daft.from_pydict( | ||
| { | ||
| "date": ["2021-01-01", "2021-01-02", "2021-01-03"], | ||
| "ts": ["2021-01-01 01:28:40", "2021-01-02 12:12:12", "2011-11-11 11:11:11"], | ||
| } | ||
| ).select(daft.col("date").cast(daft.DataType.date()), daft.col("ts").str.to_datetime("%Y-%m-%d %H:%M:%S")) | ||
|
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| def interval(unit): | ||
| if unit == "year": | ||
| td = datetime.timedelta(days=365) | ||
| else: | ||
| td = datetime.timedelta(**{unit: 1}) | ||
|
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| total_microseconds = int(td.total_seconds() * 1_000_000) | ||
| return daft.lit(total_microseconds).cast(daft.DataType.duration("us")) | ||
|
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| actual = ( | ||
| daft.sql(""" | ||
| SELECT | ||
| date + interval '1' day as date_add_day, | ||
| date + interval '1' week as date_add_week, | ||
| date + interval '1' year as date_add_year, | ||
| date - interval '1' day as date_sub_day, | ||
| date - interval '1' week as date_sub_week, | ||
| date - interval '1' year as date_sub_year, | ||
| ts + interval '1' millisecond as ts_add_millisecond, | ||
| ts + interval '1' second as ts_add_second, | ||
| ts + interval '1' minute as ts_add_minute, | ||
| ts + interval '1' hour as ts_add_hour, | ||
| ts + interval '1' day as ts_add_day , | ||
| ts + interval '1' week as ts_add_week, | ||
| ts + interval '1' year as ts_add_year, | ||
| ts - interval '1' millisecond as ts_sub_millisecond, | ||
| ts - interval '1' second as ts_sub_second, | ||
| ts - interval '1' minute as ts_sub_minute, | ||
| ts - interval '1' hour as ts_sub_hour, | ||
| ts - interval '1' day as ts_sub_day, | ||
| ts - interval '1' week as ts_sub_week, | ||
| ts - interval '1' year as ts_sub_year, | ||
| FROM df | ||
| """) | ||
| .collect() | ||
| .to_pydict() | ||
| ) | ||
|
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| expected = ( | ||
| df.select( | ||
| (col("date") + interval("days")).alias("date_add_day"), | ||
| (col("date") + interval("weeks")).alias("date_add_week"), | ||
| (col("date") + interval("year")).alias("date_add_year"), | ||
| (col("date") - interval("days")).alias("date_sub_day"), | ||
| (col("date") - interval("weeks")).alias("date_sub_week"), | ||
| (col("date") - interval("year")).alias("date_sub_year"), | ||
| (col("ts") + interval("milliseconds")).alias("ts_add_millisecond"), | ||
| (col("ts") + interval("seconds")).alias("ts_add_second"), | ||
| (col("ts") + interval("minutes")).alias("ts_add_minute"), | ||
| (col("ts") + interval("hours")).alias("ts_add_hour"), | ||
| (col("ts") + interval("days")).alias("ts_add_day"), | ||
| (col("ts") + interval("weeks")).alias("ts_add_week"), | ||
| (col("ts") + interval("year")).alias("ts_add_year"), | ||
| (col("ts") - interval("milliseconds")).alias("ts_sub_millisecond"), | ||
| (col("ts") - interval("seconds")).alias("ts_sub_second"), | ||
| (col("ts") - interval("minutes")).alias("ts_sub_minute"), | ||
| (col("ts") - interval("hours")).alias("ts_sub_hour"), | ||
| (col("ts") - interval("days")).alias("ts_sub_day"), | ||
| (col("ts") - interval("weeks")).alias("ts_sub_week"), | ||
| (col("ts") - interval("year")).alias("ts_sub_year"), | ||
| ) | ||
| .collect() | ||
| .to_pydict() | ||
| ) | ||
|
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| assert actual == expected |