jonathanc-n commented on code in PR #16388:
URL: https://github.com/apache/datafusion/pull/16388#discussion_r2144347173
##########
datafusion/core/src/execution/session_state.rs:
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@@ -1675,6 +1675,13 @@ impl ContextProvider for SessionContextProvider<'_> {
.get(name)
.cloned()
.ok_or_else(|| plan_datafusion_err!("table function '{name}' not
found"))?;
+ let dummy_schema = DFSchema::empty();
Review Comment:
I think we eventually want to reference existing columns
For example:
``` SELECT * FROM t, range(t.id, t.id + 5); ```
I think the solution to this instead would be to have the a `ExprSimplifier`
optimizer rule where it can reference the column values. @Lordworms WDYT?
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