Getting the Average
-
Comments posted to this topic are about the item Getting the Average
-
I'm not sure, but it seems that using the TRY_PARSE function does nothing more than slow down the query. Wouldn't Steve have the same result without that function?
-
do you?
-
Fine, make me actually test something out before commenting. Inconceivable!
I learned today that by removing the TRY_PARSE function and only having 'Steve' records I got this error:
Msg 8117, Level 16, State 1, Line 16
Operand data type varchar is invalid for avg operator.
The TRY_PARSE function helps with type casting for the AVG function.
-
Lol. I knew there was an error, but I had to re-test too 😉
-
declare @t table(id int identity, i int)
insert @t select null
insert @t select 11
select avg(try_parse(i as int)) from @t group by id
Argument data type int is invalid for argument 1 of parse function.
-
You've incorrectly tested this. The question stores data as strings.
try_parse isn't for numerics
Viewing 7 posts - 1 through 7 (of 7 total)
You must be logged in to reply to this topic. Login to reply