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Correlated subqueries #683

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Correlated subqueries #683

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8 changes: 7 additions & 1 deletion dask_sql/physical/rex/core/call.py
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,13 @@ def reduce(self, *operands, **kwargs):
)
):
operands = tuple(map(as_timelike, operands))
return reduce(partial(self.operation, **kwargs), operands)
try:
return reduce(partial(self.operation, **kwargs), operands)
except ValueError:
return reduce(
partial(self.operation, **kwargs),
(operands[0], float(operands[1][operands[1].columns[0]].loc[0].compute()))
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@charlesbluca charlesbluca Aug 25, 2022

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I'd imagine we'd want to generalize the typecast here to handle other potential aggregating functions, but ATM can't think of an immediate way to do this.

)
else:
return self.unary_operation(*operands, **kwargs)

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