Ted-Jiang commented on code in PR #2729:
URL: https://github.com/apache/arrow-datafusion/pull/2729#discussion_r897490955
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datafusion/optimizer/src/filter_push_down.rs:
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@@ -1904,6 +1904,42 @@ mod tests {
Ok(())
}
+ #[test]
+ fn test_filter_with_alias_2() -> Result<()> {
+ // in table scan the true col name is 'test.a',
+ // but we rename it as 'b', and use col 'b' in filter
+ // we need rewrite filter col before push down.
+ let table_scan = test_table_scan()?;
+ let plan = LogicalPlanBuilder::from(table_scan)
+ .project(vec![col("a").alias("b"), col("c")])?
+ .project(vec![col("b"), col("c")])?
+ .filter(and(col("b").gt(lit(10i64)), col("c").gt(lit(10i64))))?
+ .build()?;
+
+ // filter on col b
+ assert_eq!(
+ format!("{:?}", plan),
Review Comment:
add test for: having two projection between filter
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