Module dataset_loading 

Dataset table loading and export helpers for DuckLake relations.

Structs

DatasetCsvSeed

One trusted in-memory CSV selected for atomic dataset replacement.

DatasetFileReadOptions

Options passed to DuckDB file readers when importing a dataset table.

DatasetTableRelation

DuckDB schema and table name for a versioned dataset table.

ExportDatasetTableRequest

Request to export one versioned dataset table to a local file.

ExportedDatasetTable

Summary of a dataset table export operation.

ImportedColumn

DuckDB-reported shape for one imported dataset column.

LoadDatasetTableFromFileRequest

Request to load one versioned dataset table from a source file.

LoadDatasetTableFromSqlRequest

Request to materialize one versioned dataset table from a SQL query.

LoadRedcapFormDatasetRequest

Request to reshape a REDCap EAV export into a versioned dataset table.

LoadedDatasetTable

Summary of a dataset table loaded into DuckLake.

PreviewDatasetTableRequest

Request to read a bounded preview of one versioned dataset table.

PreviewedDatasetTable

Bounded row preview for one dataset table.

RedcapEavChoice

Mapping from a REDCap raw choice value to the TRE categorical integer value.

RedcapEavField

REDCap field projection metadata used when pivoting EAV data.

RedcapSyntheticColumn

Derived REDCap output column projected from an existing source column.

Enums

DatasetExportFormat

Output format for exporting a dataset table from DuckLake.

DatasetFileFormat

File formats accepted when loading a dataset table from disk.

Functions

dataset_output_key

Canonical reservation key shared by new-name and existing-Asset selectors. Version allocation occurs after this logical Dataset key is reserved.

dataset_table_relation

Builds the DuckDB relation name used for a versioned dataset table.