jayzhan211 commented on code in PR #6796:
URL: https://github.com/apache/arrow-datafusion/pull/6796#discussion_r1283874181
##########
datafusion/optimizer/src/optimizer.rs:
##########
@@ -422,6 +424,11 @@ fn assert_schema_is_the_same(
prev_plan: &LogicalPlan,
new_plan: &LogicalPlan,
) -> Result<()> {
+ if rule_name == "unnest_expressions" {
Review Comment:
After removing alias, I still get the schema mismatch error
Internal error: Optimizer rule 'unnest_expressions' failed, due to generate
a different schema, original schema: DFSchema { fields: [DFField { qualifier:
None, field: Field { name: "unnest(make_array(Int64(1),Int64(2),Int64(3)))",
data_type: List(Field { name: "item", data_type: Int64, nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: {} }), nullable: true, dict_id:
0, dict_is_ordered: false, metadata: {} } }, DFField { qualifier: None, field:
Field { name: "unnest(make_array(Int64(4),Int64(5)))", data_type: List(Field {
name: "item", data_type: Int64, nullable: true, dict_id: 0, dict_is_ordered:
false, metadata: {} }), nullable: true, dict_id: 0, dict_is_ordered: false,
metadata: {} } }], metadata: {}, functional_dependencies:
FunctionalDependencies { deps: [] } }, new schema: DFSchema { fields: [DFField
{ qualifier: None, field: Field { name:
"make_array(Int64(1),Int64(2),Int64(3))", data_type: Int64, nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: {} }
}, DFField { qualifier: None, field: Field { name:
"make_array(Int64(4),Int64(5),NULL)", data_type: Int64, nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: {} } }], metadata: {},
functional_dependencies: FunctionalDependencies { deps: [] } }
I don't know how to fix these schema changes
name changes: unnest(make_array(Int64(1),Int64(2),Int64(3))) ->
make_array(Int64(1),Int64(2),Int64(3))
data_type changes: List(int64) -> int64
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