msathis commented on a change in pull request #1969:
URL: https://github.com/apache/arrow-datafusion/pull/1969#discussion_r841080274
##########
File path: datafusion/core/tests/sql/functions.rs
##########
@@ -174,3 +174,202 @@ async fn query_count_distinct() -> Result<()> {
assert_batches_eq!(expected, &actual);
Ok(())
}
+
+#[tokio::test]
+async fn coalesce_plan() -> Result<()> {
+ let ctx = SessionContext::new();
+ let sql = "select COALESCE('', 'test')";
+ let actual = execute_to_batches(&ctx, sql).await;
+ let expected = vec![
+ "+---------------------------------+",
+ "| coalesce(Utf8(\"\"),Utf8(\"test\")) |",
+ "+---------------------------------+",
+ "| |",
+ "+---------------------------------+",
+ ];
+ assert_batches_eq!(expected, &actual);
+ Ok(())
+}
+
+#[tokio::test]
+async fn coalesce_result() -> Result<()> {
+ let schema = Arc::new(Schema::new(vec![
+ Field::new("c1", DataType::Int32, true),
+ Field::new("c2", DataType::Int32, true),
+ ]));
+
+ let data = RecordBatch::try_new(
+ schema.clone(),
+ vec![
+ Arc::new(Int32Array::from(vec![Some(0), None, Some(1), None,
None])),
+ Arc::new(Int32Array::from(vec![
+ Some(1),
+ Some(1),
+ Some(0),
+ Some(1),
+ None,
+ ])),
+ ],
+ )?;
+
+ let table = MemTable::try_new(schema, vec![vec![data]])?;
+
+ let ctx = SessionContext::new();
+ ctx.register_table("test", Arc::new(table))?;
+ let sql = "SELECT COALESCE(c1, c2) FROM test";
+ let actual = execute_to_batches(&ctx, sql).await;
+ let expected = vec![
+ "+---------------------------+",
+ "| coalesce(test.c1,test.c2) |",
+ "+---------------------------+",
+ "| 0 |",
+ "| 1 |",
+ "| 1 |",
+ "| 1 |",
+ "| |",
+ "+---------------------------+",
+ ];
+ assert_batches_eq!(expected, &actual);
+ Ok(())
+}
+
+#[tokio::test]
+async fn coalesce_static_empty_value() -> Result<()> {
Review comment:
its an overlook, you're right. i'll remove `coalesce_plan `
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
