avantgardnerio commented on code in PR #3907:
URL: https://github.com/apache/arrow-datafusion/pull/3907#discussion_r1001177756
##########
datafusion/proto/src/logical_plan.rs:
##########
@@ -760,55 +804,21 @@ impl AsLogicalPlan for LogicalPlanNode {
.collect::<Result<Vec<_>, _>>()?;
if let Some(listing_table) =
source.downcast_ref::<ListingTable>() {
- let any = listing_table.options().format.as_any();
- let file_format_type = if let Some(parquet) =
- any.downcast_ref::<ParquetFormat>()
- {
- FileFormatType::Parquet(protobuf::ParquetFormat {
- enable_pruning: parquet.enable_pruning(),
- })
- } else if let Some(csv) = any.downcast_ref::<CsvFormat>() {
- FileFormatType::Csv(protobuf::CsvFormat {
- delimiter: byte_to_string(csv.delimiter())?,
- has_header: csv.has_header(),
- })
- } else if any.is::<AvroFormat>() {
- FileFormatType::Avro(protobuf::AvroFormat {})
- } else {
- return Err(proto_error(format!(
- "Error converting file format, {:?} is invalid as
a datafusion foramt.",
- listing_table.options().format
- )));
- };
- Ok(protobuf::LogicalPlanNode {
- logical_plan_type: Some(LogicalPlanType::ListingScan(
- protobuf::ListingTableScanNode {
- file_format_type: Some(file_format_type),
- table_name: table_name.to_owned(),
- collect_stat:
listing_table.options().collect_stat,
- file_extension: listing_table
- .options()
- .file_extension
- .clone(),
- table_partition_cols: listing_table
- .options()
- .table_partition_cols
- .clone(),
- paths: listing_table
- .table_paths()
- .iter()
- .map(|x| x.to_string())
- .collect(),
- schema: Some(schema),
- projection,
- filters,
- target_partitions: listing_table
- .options()
- .target_partitions
- as u32,
- },
- )),
- })
+ Self::serialize_listing_table(
+ table_name,
+ projection,
+ schema,
+ filters,
+ listing_table,
+ )
+ } else if let Some(custom_table) =
source.downcast_ref::<CustomTable>() {
Review Comment:
Actually, it looks like we are conflating the `scan` data with the
`TableProvider` data when we serialize. I split them out in
`CustomTableScanNode`.
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