alamb commented on code in PR #11444:
URL: https://github.com/apache/datafusion/pull/11444#discussion_r1680865733
##########
datafusion/common/src/file_options/parquet_writer.rs:
##########
@@ -52,92 +53,43 @@ impl ParquetWriterOptions {
impl TryFrom<&TableParquetOptions> for ParquetWriterOptions {
type Error = DataFusionError;
- fn try_from(parquet_options: &TableParquetOptions) -> Result<Self> {
- let ParquetOptions {
- data_pagesize_limit,
- write_batch_size,
- writer_version,
- dictionary_page_size_limit,
- max_row_group_size,
- created_by,
- column_index_truncate_length,
- data_page_row_count_limit,
- bloom_filter_on_write,
- encoding,
- dictionary_enabled,
- compression,
- statistics_enabled,
- max_statistics_size,
- bloom_filter_fpp,
- bloom_filter_ndv,
- // below is not part of ParquetWriterOptions
- enable_page_index: _,
- pruning: _,
- skip_metadata: _,
- metadata_size_hint: _,
- pushdown_filters: _,
- reorder_filters: _,
- allow_single_file_parallelism: _,
- maximum_parallel_row_group_writers: _,
- maximum_buffered_record_batches_per_stream: _,
- bloom_filter_on_read: _,
- } = &parquet_options.global;
-
- let key_value_metadata = if
!parquet_options.key_value_metadata.is_empty() {
- Some(
- parquet_options
- .key_value_metadata
- .clone()
- .drain()
- .map(|(key, value)| KeyValue { key, value })
- .collect::<Vec<_>>(),
- )
- } else {
- None
- };
-
- let mut builder = WriterProperties::builder()
- .set_data_page_size_limit(*data_pagesize_limit)
- .set_write_batch_size(*write_batch_size)
- .set_writer_version(parse_version_string(writer_version.as_str())?)
- .set_dictionary_page_size_limit(*dictionary_page_size_limit)
- .set_max_row_group_size(*max_row_group_size)
- .set_created_by(created_by.clone())
- .set_column_index_truncate_length(*column_index_truncate_length)
- .set_data_page_row_count_limit(*data_page_row_count_limit)
- .set_bloom_filter_enabled(*bloom_filter_on_write)
- .set_key_value_metadata(key_value_metadata);
-
- if let Some(encoding) = &encoding {
- builder = builder.set_encoding(parse_encoding_string(encoding)?);
- }
-
- if let Some(enabled) = dictionary_enabled {
- builder = builder.set_dictionary_enabled(*enabled);
- }
-
- if let Some(compression) = &compression {
- builder =
builder.set_compression(parse_compression_string(compression)?);
- }
-
- if let Some(statistics) = &statistics_enabled {
- builder =
-
builder.set_statistics_enabled(parse_statistics_string(statistics)?);
- }
-
- if let Some(size) = max_statistics_size {
- builder = builder.set_max_statistics_size(*size);
- }
+ fn try_from(parquet_table_options: &TableParquetOptions) -> Result<Self> {
+ // ParquetWriterOptions will have defaults for the remaining fields
(e.g. sorting_columns)
+ Ok(ParquetWriterOptions {
+ writer_options:
WriterPropertiesBuilder::try_from(parquet_table_options)?
+ .build(),
+ })
+ }
+}
- if let Some(fpp) = bloom_filter_fpp {
- builder = builder.set_bloom_filter_fpp(*fpp);
- }
+impl TryFrom<&TableParquetOptions> for WriterPropertiesBuilder {
Review Comment:
BTW I am not sure if this is worth doing, I just wanted to bring it up as an
option
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