Re: [PR] Update extending-operators.md [datafusion]

[via GitHub]

Adez017 commented on PR #15832:
URL: https://github.com/apache/datafusion/pull/15832#issuecomment-2849308705

   > Could you please refer to the error lints in CI? Such as
   > 
   > ```
   > error[E0433]: failed to resolve: use of undeclared type `Statistics`
   >   --> datafusion/core/src/lib.rs:1365:12
   >    |
   > 98 |         Ok(Statistics::new_unknown(&self.schema()))
   >    |            ^^^^^^^^^^ use of undeclared type `Statistics`
   >    |
   > help: consider importing one of these items
   >    |
   > 2  + use datafusion::physical_plan::Statistics;
   >    |
   > 2  + use datafusion_common::Statistics;
   >    |
   > 2  + use datafusion_physical_plan::Statistics;
   >    |
   > 2  + use parquet::file::statistics::Statistics;
   > ```
   > 
   > It's saying, you need to import `Statistics` for the example in the doc, 
such as <img alt="image" width="832" 
src="https://private-user-images.githubusercontent.com/41979257/440193326-7aa713a1-249c-4433-bc1e-f6714780a663.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3NDYzNzcxNzUsIm5iZiI6MTc0NjM3Njg3NSwicGF0aCI6Ii80MTk3OTI1Ny80NDAxOTMzMjYtN2FhNzEzYTEtMjQ5Yy00NDMzLWJjMWUtZjY3MTQ3ODBhNjYzLnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNTA1MDQlMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjUwNTA0VDE2NDExNVomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTFkMzZhNDY0YTVmNzcxZjdjNmFhMDE3MjAwODBhYmQ5MWI0M2QzMDMxNDE4YzdhMzNjYTFmNWY5ZWZmMDE0MTkmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0In0.KGBtMnV5IS_mTrM07xwYPj0f2cad2GXZZaRObWLKKNs";>
   
   Thanks mate but  u think it shows for the `lib.rs` file and we didnt done 
nay changes out there . does this mean that we need to change over there?. i am 
pretty confused over there . and one more thing  when we are using the code as 
example does we need to check the imports ?
   


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