ntjohnson1 commented on issue #1305:
URL:
https://github.com/apache/datafusion-python/issues/1305#issuecomment-3649891506
I'm traveling all day today so I can't think carefully on this. I'd be fine
with this approach if it didn't require the select_exprs since that feels a
little unergonomic. The need to track the data frame names separately from the
variable seems unfortunate.
I'd like to instead do `df.select(F.coalesce(df1.col("num"),
df2.col("num")).alias("num")` unfortunately I don't think we currently have a
syntax like that (or a nice alternative) to dedup columns that have the same
name.
So if there was a way to resolve the columns without a specially crafted
string I think the proposed direction seems reasonable.
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