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support make_interval function #6951
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cc @alamb @waitingkuo please help to add this issue to #3148 |
@liukun4515 |
hi @liukun4515 Do you plan to support multiple time unit? for example column |
I adding the arrow knows how to parse strings like |
@alamb Maybe you can assign it to me. I can help with this issue |
@waitingkuo @alamb
I want to implement a app or function like this
datetime + integer with timeunit
, and the timeunit may beyear
,month
,day
.I can't find the any method to convert the
integer with timeunit
to the interval, but in the PG which has a functionmake_interval()
https://www.postgresql.org/docs/current/functions-datetime.html can do this.I just can find a way to resolve the issue by using the
concat
method.For example: I have a table like below, and want to convert the
b
withday
unit to intervalUsing the concat to get the
utf8
expr which can be casted to interval.Originally posted by @liukun4515 in #3148 (comment)
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