Add example of using Expr::field in 37.1.0
#10183
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alamb
commented
Apr 22, 2024
| let expr = expr | ||
| .transform_up(&|expr| { | ||
| Ok(match expr { | ||
| Expr::GetIndexedField(GetIndexedField { |
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This basically inlines the necessary code from
datafusion/datafusion/functions-array/src/rewrite.rs
Lines 151 to 157 in 9560732
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Here is the proposed public API that should complete this actual issue: #10330 |
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I don't intend to merge this, but I want to put it up to illustrate how to use the 37.1.0 API to do this reasonably
Which issue does this PR close?
Part of #10181
Rationale for this change
Some users create expressions outside the context of a query that has an analyzer, etc. Some expressions now can only be used via udfs.
What changes are included in this PR?
Add example of using Expr::field in
37.1.0Are these changes tested?
Are there any user-facing changes?