xudong963 commented on a change in pull request #1437:
URL: https://github.com/apache/arrow-datafusion/pull/1437#discussion_r767168233
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File path: datafusion/src/sql/planner.rs
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@@ -113,7 +121,10 @@ fn plan_indexed(expr: Expr, mut keys: Vec<Value>) -> Expr {
impl<'a, S: ContextProvider> SqlToRel<'a, S> {
/// Create a new query planner
pub fn new(schema_provider: &'a S) -> Self {
- SqlToRel { schema_provider }
+ SqlToRel {
+ schema_provider,
+ project_recursion: ProtectRecursion::new_with_limit(2048),
Review comment:
This constant is what I feel, I want to know your thoughts.
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