alamb commented on code in PR #4739:
URL: https://github.com/apache/arrow-datafusion/pull/4739#discussion_r1057751134
##########
datafusion/expr/src/utils.rs:
##########
@@ -953,15 +953,54 @@ pub fn can_hash(data_type: &DataType) -> bool {
}
/// Check whether all columns are from the schema.
-pub fn check_all_column_from_schema(
- columns: &HashSet<Column>,
- schema: DFSchemaRef,
-) -> Result<bool> {
- let result = columns
+fn check_all_column_from_schema(columns: &HashSet<Column>, schema:
DFSchemaRef) -> bool {
+ columns
.iter()
- .all(|column| schema.index_of_column(column).is_ok());
+ .all(|column| schema.index_of_column(column).is_ok())
+}
- Ok(result)
+/// Give two sides of the equijoin predicate, return a valid join key pair.
Review Comment:
❤️ thank you for these comments
##########
datafusion/expr/src/utils.rs:
##########
@@ -953,15 +953,54 @@ pub fn can_hash(data_type: &DataType) -> bool {
}
/// Check whether all columns are from the schema.
-pub fn check_all_column_from_schema(
- columns: &HashSet<Column>,
- schema: DFSchemaRef,
-) -> Result<bool> {
- let result = columns
+fn check_all_column_from_schema(columns: &HashSet<Column>, schema:
DFSchemaRef) -> bool {
+ columns
.iter()
- .all(|column| schema.index_of_column(column).is_ok());
+ .all(|column| schema.index_of_column(column).is_ok())
Review Comment:
Nice
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