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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/10/18 03:07:20 UTC

[GitHub] [arrow-datafusion] houqp commented on issue #119: Add SQL support for referencing fields in structs

houqp commented on issue #119:
URL: https://github.com/apache/arrow-datafusion/issues/119#issuecomment-945323458


   In @Igosuki 's recent PR (https://github.com/apache/arrow-datafusion/pull/1006) for adding list indexing support, he proposed using `field["key"]` to access nested struct field, which I think makes the query more readable. For example, `foo.id` could mean accessing the `id` attribute from an unqualified `foo` column or accessing the `id` column from the table `foo`. `foo["id"]` makes it clear that `id` is for accessing of struct field.


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