alamb commented on a change in pull request #1376:
URL: https://github.com/apache/arrow-datafusion/pull/1376#discussion_r763478322
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File path: datafusion/src/optimizer/simplify_expressions.rs
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@@ -1632,18 +1525,22 @@ mod tests {
\n TableScan: test projection=None";
assert_optimized_plan_eq(&plan, expected);
- Ok(())
}
#[test]
- fn test_simplity_optimized_plan_not_eq_expr() -> Result<()> {
- let table_scan = test_table_scan()?;
+ fn test_simplity_optimized_plan_not_eq_expr() {
+ let table_scan = test_table_scan();
let plan = LogicalPlanBuilder::from(table_scan)
- .filter(col("b").not_eq(lit(true)))?
- .filter(col("c").not_eq(lit(false)))?
- .limit(1)?
- .project(vec![col("a")])?
- .build()?;
+ .filter(col("b").not_eq(lit(true)))
+ .unwrap()
Review comment:
It helps me more easily find the source of the problem -- by using
`unwap()` whenever an error happens, you can set `RUST_BACKTRACE=1` and know
exactly at what site the problem happened. If the tests return `Error`, often
the `Error` does not have sufficient context to know exactly where it was
generated.
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