dharanad commented on code in PR #11780:
URL: https://github.com/apache/datafusion/pull/11780#discussion_r1702122361
##########
datafusion/sql/src/expr/mod.rs:
##########
@@ -714,6 +717,37 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
not_impl_err!("Unsupported dictionary literal: {raw_expr:?}")
}
+ fn try_plan_map_literal(
+ &self,
+ entries: Vec<MapEntry>,
+ schema: &DFSchema,
+ planner_context: &mut PlannerContext,
+ ) -> Result<Expr> {
+ let mut exprs = vec![];
+ entries.into_iter().try_for_each(|entry| {
+ exprs.push(self.sql_expr_to_logical_expr(
+ *entry.key,
+ schema,
+ planner_context,
+ )?);
+ exprs.push(self.sql_expr_to_logical_expr(
+ *entry.value,
+ schema,
+ planner_context,
+ )?);
+ Ok::<_, DataFusionError>(())
+ })?;
Review Comment:
Can we do something like this ?
```rust
let mut exprs = entries.into_iter().flat_map(|entry| {
let k = self.sql_expr_to_logical_expr(
*entry.key,
schema,
planner_context,
)?;
let v = self.sql_expr_to_logical_expr(
*entry.value,
schema,
planner_context,
)?;
vec![k,v]
}).collect<>();;
```
Haven't tried it out just a pseudo code
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