andygrove commented on code in PR #3258:
URL: https://github.com/apache/arrow-datafusion/pull/3258#discussion_r956014831
##########
datafusion/core/src/datasource/view.rs:
##########
@@ -342,6 +355,65 @@ mod tests {
Ok(())
}
+ #[tokio::test]
+ async fn query_view_with_filter_and_limit() -> Result<()> {
+ let session_ctx = SessionContext::with_config(
+ SessionConfig::new().with_information_schema(true),
+ );
+
+ session_ctx
+ .sql("CREATE TABLE abc AS VALUES (1,2,3), (4,5,6), (7,8,9)")
+ .await?
+ .collect()
+ .await?;
+
+ let view_sql = "CREATE VIEW xyz AS SELECT column1, column2 FROM abc";
+ session_ctx.sql(view_sql).await?.collect().await?;
+
+ let results = session_ctx.sql("SELECT * FROM information_schema.tables
WHERE table_type='VIEW' AND table_name = 'xyz'").await?.collect().await?;
+ assert_eq!(results[0].num_rows(), 1);
+
+ let result_plan = session_ctx
+ .sql("EXPLAIN CREATE VIEW efg as SELECT column1 FROM xyz WHERE
column2 % 2 = 0 OFFSET 1 LIMIT 2")
Review Comment:
When we select from a view, it will cause the `TableView::scan` method to be
called.
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