jayzhan211 commented on code in PR #12113:
URL: https://github.com/apache/datafusion/pull/12113#discussion_r1728463881
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datafusion/optimizer/src/analyzer/inline_table_scan.rs:
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@@ -56,24 +56,22 @@ fn analyze_internal(plan: LogicalPlan) ->
Result<Transformed<LogicalPlan>> {
match plan {
// Match only on scans without filter / projection / fetch
// Views and DataFrames won't have those added
- // during the early stage of planning
- LogicalPlan::TableScan(TableScan {
- table_name,
- source,
- projection,
- filters,
- ..
- }) if filters.is_empty() && source.get_logical_plan().is_some() =>
{
- let sub_plan = source.get_logical_plan().unwrap();
- let projection_exprs = generate_projection_expr(&projection,
sub_plan)?;
- LogicalPlanBuilder::from(sub_plan.clone())
- .project(projection_exprs)?
- // Ensures that the reference to the inlined table remains
the
- // same, meaning we don't have to change any of the parent
nodes
- // that reference this table.
- .alias(table_name)?
- .build()
- .map(Transformed::yes)
+ // during the early stage of planning.
+ LogicalPlan::TableScan(table_scan) if
table_scan.filters.is_empty() => {
+ if let Some(sub_plan) =
table_scan.source.get_logical_plan_cloned() {
Review Comment:
Even though you require `get_logical_plan_cloned` for some reason, I don't
get it why do we need to change the code here
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