izveigor commented on code in PR #6936:
URL: https://github.com/apache/arrow-datafusion/pull/6936#discussion_r1278016584
##########
datafusion/physical-expr/src/expressions/get_indexed_field.rs:
##########
@@ -74,70 +90,63 @@ impl PhysicalExpr for GetIndexedFieldExpr {
}
fn data_type(&self, input_schema: &Schema) -> Result<DataType> {
- let data_type = self.arg.data_type(input_schema)?;
- get_data_type_field(&data_type, &self.key).map(|f|
f.data_type().clone())
+ let arg_dt = self.arg.data_type(input_schema)?;
+ let key_dt = self.key.data_type(input_schema)?;
+ let extra_key_dt = if let Some(extra_key) = &self.extra_key {
+ Some(extra_key.data_type(input_schema)?)
+ } else {
+ None
+ };
+ get_data_type_field(&arg_dt, &key_dt, &extra_key_dt)
+ .map(|f| f.data_type().clone())
}
fn nullable(&self, input_schema: &Schema) -> Result<bool> {
- let data_type = self.arg.data_type(input_schema)?;
- get_data_type_field(&data_type, &self.key).map(|f| f.is_nullable())
+ let arg_dt = self.arg.data_type(input_schema)?;
+ let key_dt = self.key.data_type(input_schema)?;
+ let extra_key_dt = if let Some(extra_key) = &self.extra_key {
+ Some(extra_key.data_type(input_schema)?)
+ } else {
+ None
+ };
+ get_data_type_field(&arg_dt, &key_dt, &extra_key_dt).map(|f|
f.is_nullable())
}
fn evaluate(&self, batch: &RecordBatch) -> Result<ColumnarValue> {
let array = self.arg.evaluate(batch)?.into_array(1);
- match (array.data_type(), &self.key) {
- (DataType::List(_) | DataType::Struct(_), _) if self.key.is_null()
=> {
- let scalar_null: ScalarValue = array.data_type().try_into()?;
- Ok(ColumnarValue::Scalar(scalar_null))
+ let key = self.key.evaluate(batch)?.into_array(1);
+ if let Some(extra_key) = &self.extra_key {
+ let extra_key = extra_key.evaluate(batch)?.into_array(1);
+ match (array.data_type(), key.data_type(), extra_key.data_type()) {
+ (DataType::List(_), DataType::Int64, DataType::Int64)
+ | (DataType::List(_), DataType::Int64, DataType::Null)
+ | (DataType::List(_), DataType::Null, DataType::Int64)
+ | (DataType::List(_), DataType::Null, DataType::Null) =>
Ok(ColumnarValue::Array(array_slice(&[
Review Comment:
It does not work with columns, but all functions support column format.
@alamb if you have free time can you give me some advices how to solve the
problem?
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