Add Expr::field, Expr::index, and Expr::slice, add docs
#7218
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alamb
commented
Aug 7, 2023
| name: ScalarValue::Utf8(Some(nested_name)), | ||
| }, | ||
| ))) | ||
| Ok(Expr::Column(field.qualified_column()).field(nested_name)) |
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This shows the kind of API cleanup that is possible using this new API
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CI is failing due to #7221 |
yjshen
approved these changes
Aug 8, 2023
izveigor
reviewed
Aug 8, 2023
izveigor
approved these changes
Aug 8, 2023
Co-authored-by: Igor Izvekov <izveigor@gmail.com>
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Which issue does this PR close?
Related to #7193
Follows #7215 from @izveigor
Rationale for this change
In order to have a good experience accessing fields, it should be easy to create field / lists accesses
What changes are included in this PR?
See subject
Are these changes tested?
Yes -- with doc tests
Are there any user-facing changes?
New methods on
Expr