QuakeWang commented on code in PR #391:
URL: https://github.com/apache/paimon-rust/pull/391#discussion_r3425314553


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crates/integrations/datafusion/tests/read_tables.rs:
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@@ -98,6 +99,15 @@ async fn collect_query(
     ctx.sql(sql).await?.collect().await
 }
 
+async fn assert_sql(sql: &str, expected: &[&str]) {

Review Comment:
   Nit: this helper compares the full `pretty_format_batches` output verbatim. 
It keeps the expected SQL result readable, but also couples the tests to 
Arrow/DataFusion pretty-printer details such as padding, borders, and NULL 
rendering. Fine for these small result sets; if we want less brittle tests 
across dependency upgrades, comparing normalized rows/columns would be more 
stable.



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