Details
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Improvement
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Status: Resolved
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Major
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Resolution: Fixed
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None
Description
When a new Expression is created, schema should be retained from the expression(s) it was created from. That way, the type() and type_id() methods of the new Expression will work. For example, currently this happens:
> x <- Expression$field_ref("x") > x$schema <- Schema$create(x = int32()) > > y <- Expression$field_ref("y") > y$schema <- Schema$create(y = int32()) > > Expression$create("add_checked", x, y)$type() Error: !is.null(schema) is not TRUE
This is what we want to happen:
> Expression$create("add_checked", x, y)$type()
Int32
int32
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