Github user watermen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9959#discussion_r45940129
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2028,4 +2028,25 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
Row(false) :: Row(true) :: Nil)
}
+ test("push filter through aggregation with alias and literals") {
+ withTempTable("src") {
+ Seq((1, 1), (-1, 1)).toDF("key", "value").registerTempTable("src")
+ val q1 = sql(
+ """
+ | SELECT k, v from (
+ | SELECT key + 1 AS k, sum(value) + 2 AS v, 3 c FROM src GROUP
BY key
+ | ) t WHERE k = 0 and v > 0 and c = 3
+ """.stripMargin)
+ val q2 = sql(
+ """
+ | SELECT k, v from (
+ | SELECT key + 1 AS k, sum(value) + 2 AS v, 3 c FROM src WHERE
key + 1 = 0 GROUP BY key
+ | ) t WHERE v > 0
+ """.stripMargin)
--- End diff --
Can also push `v > 0` into Subquery use `HAVING`? like:
```
SELECT k, v from (
SELECT key + 1 AS k, sum(value) + 2 AS v, 3 c FROM src WHERE key + 1 = 0
GROUP BY key HAVING v > 0
) t
```
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