Day of Year in Redshift
Does Domo's Redshift support day of year?
I'm trying to parse my date column using the formulas and none work:
date_part(doy, "date") as "day of year"
date_part(dy, "date") as "day of year"
date_part(yearday, "date") as "day of year"
date_part(dayofyear, "date") as "day of year"
In the Redshift documentation this should work: https://docs.aws.amazon.com/redshift/latest/dg/r_Dateparts_for_datetime_functions.html
Best Answer
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Another date function you can use in Redshift is Extract. I use it and it looks like this:
extract(year from "dateofevent") DateofEventYear,
extract(day from "dateofevent") DayofEvent,I am able to use the date_part function as @jaeW_at_Onyx suggests, so I'm not sure what might be going on with that function in your instance, but maybe you will have better luck with the Extract function.
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Answers
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What error message did you get? This works fine.
select date_part(dayofyear, cast('2020-02-14' as date))
Is your Date column a date or text?
Domo processes Redshift ETL in a Redshift cluster. So if you're throwing an error during transform steps it's usually a code issue.
Jae Wilson
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select *,
date_part(y,"date") as "year",
(case when date_part(q,"date") <= 2 then 1 else 2 end) as "half year",
date_part(q,"date") as "quarter",
date_part(m,"date") as "month",
date_part(dayofyear, "date") as "day of year"
from "group_by"Date is a date field, not text. It wasn't throwing an error for any of the other date_part functions in this query.
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The database reported a syntax error: [Amazon](500310) Invalid operation: Invalid datetime part in DATE_PART(). Details: ----------------------------------------------- error: Invalid datetime part in DATE_PART(). code: 8001 context: query: 8206522 location: datetime
That's the error I'm getting. it's from the dayofyear line of the query.
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