qstommyshu commented on code in PR #15743:
URL: https://github.com/apache/datafusion/pull/15743#discussion_r2054496588
##########
datafusion/sql/tests/sql_integration.rs:
##########
@@ -4673,16 +4675,17 @@ fn test_infer_types_from_predicate() {
}
#[test]
-fn test_infer_types_from_between_predicate() {
- let sql = "SELECT id, age FROM person WHERE age BETWEEN $1 AND $2";
+fn test_prepare_statement_infer_types_from_between_predicate() {
+ let sql = "PREPARE my_plan AS SELECT id, age FROM person WHERE age BETWEEN
$1 AND $2";
let plan = logical_plan(sql).unwrap();
assert_snapshot!(
plan,
@r#"
- Projection: person.id, person.age
- Filter: person.age BETWEEN $1 AND $2
- TableScan: person
+ Prepare: "my_plan" []
Review Comment:
I didn't check the details for "PREPARE" statement yet, but I think the type
inference behaviour depends on how the planner parser is implemented, it could
be either way.
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