Task for static metadata tables (snapshots, history, refs). More...
#include <metadata_scan_task.h>
Inheritance diagram for iceberg::StaticMetadataTask:
Public Member Functions | |
| TaskKind | task_kind () const override |
| Return how this task is read. | |
| MetadataTableKind | table_kind () const override |
| Return the metadata table whose rows this task produces. | |
| const std::shared_ptr< const TableMetadata > & | metadata () const |
| Return the captured metadata and its shared ownership. | |
| const std::shared_ptr< Schema > & | projected_schema () const |
| Return the output schema captured when this task was planned. | |
Static Public Member Functions | |
| static Result< std::shared_ptr< StaticMetadataTask > > | Make (MetadataTableKind table_kind, std::shared_ptr< const TableMetadata > metadata, std::shared_ptr< Schema > projected_schema) |
| Create a static metadata task. | |
Additional Inherited Members | |
 Public Types inherited from iceberg::MetadataScanTask | |
| enum class | TaskKind { kStatic } |
| Task category, determines how the reader opens the task. More... | |
Detailed Description
Task for static metadata tables (snapshots, history, refs).
Holds the metadata captured for a table scan; readers produce Arrow batches on demand. The metadata and its nested objects must not be modified while this task or its streams are in use.
Member Function Documentation
◆ Make()
|
static |
Create a static metadata task.
- Parameters
-
table_kind The metadata table kind (kSnapshots, kHistory, or kRefs) metadata The table metadata to scan projected_schema The planned output schema
- Returns
- A task, or an error for null metadata or an unsupported table kind.
◆ table_kind()
|
inlineoverridevirtual |
Return the metadata table whose rows this task produces.
Implements iceberg::MetadataScanTask.
◆ task_kind()
|
inlineoverridevirtual |
Return how this task is read.
Implements iceberg::MetadataScanTask.
The documentation for this class was generated from the following file:
- iceberg/inspect/metadata_scan_task.h
