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Posted to github@arrow.apache.org by "rohanjain101 (via GitHub)" <gi...@apache.org> on 2023/04/19 18:45:24 UTC

[GitHub] [arrow] rohanjain101 commented on issue #35166: pa.compute.sum result for decimal128 doesn't fit into precision/scale

rohanjain101 commented on issue #35166:
URL: https://github.com/apache/arrow/issues/35166#issuecomment-1515204873

   @westonpace thanks for taking a look. Is there documentation for scale/precision rules for decimal128 in different API's? For example, I found addition follows these rules: https://docs.aws.amazon.com/redshift/latest/dg/r_numeric_computations201.html are used, but couldn't find scale/precision rules for other API's like sum, concat_table, publically documented. Does this information exist somewhere, or does it need to be found look at internal compute implementation?


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