alamb commented on a change in pull request #984:
URL: https://github.com/apache/arrow-rs/pull/984#discussion_r758757795
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File path: arrow/src/compute/kernels/comparison.rs
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@@ -200,6 +201,42 @@ macro_rules! compare_op_scalar_primitive {
}};
}
+macro_rules! compare_dict_op_scalar {
+ ($left:expr, $right:expr, $op:expr) => {{
+ let null_bit_buffer = $left
+ .data()
+ .null_buffer()
+ .map(|b| b.bit_slice($left.offset(), $left.len()));
+
+ let values = $left
+ .values()
+ .as_any()
+ .downcast_ref::<StringArray>()
Review comment:
> if the primary use case for this PR was comparing dict array to
constant then maybe it makes sense for me to do a separate PR for that first
and then come back to this?
I think focusing on the usecase of comparing dict array to constant is the
best choice for now
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