jinchengchenghh commented on PR #11566:
URL:
https://github.com/apache/incubator-gluten/pull/11566#issuecomment-3951969941
I try to add a unit test
```
test("to_pretty_string") {
val df = spark.sql("SELECT isnull(1)")
df.show()
print("plan is " + df.queryExecution.executedPlan.toString())
checkGlutenPlan[ProjectExecTransformer](df)
}
```
+-----------+
|(1 IS NULL)|
+-----------+
| false|
+-----------+
plan is VeloxColumnarToRow
+- ^(1) ProjectExecTransformer [isnull(1) AS (1 IS NULL)#146]
+- ^(1) InputIteratorTransformer[]
+- RowToVeloxColumnar
+- *(1) Scan OneRowRelation[]
But the plan does not contain the to_pretty_string, so it is hard to verify
if it is really offload to native unless we can check the native plan.
But ToPrettyString is really offloaded since the unit test getRows::binary
failed with this PR
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