# AlterTableBackfillColumnsRequest
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**column** | **String** | Column name to backfill |
**r#where** | Option<**String**> | Optional WHERE clause filter | [optional]
**concurrency** | Option<**i32**> | Optional concurrency override | [optional]
**intra_applier_concurrency** | Option<**i32**> | Optional intra-applier concurrency override | [optional]
**min_checkpoint_size** | Option<**i32**> | Optional minimum checkpoint size | [optional]
**max_checkpoint_size** | Option<**i32**> | Optional maximum checkpoint size | [optional]
**batch_checkpoint_flush_interval_seconds** | Option<**f64**> | Optional batch checkpoint flush interval in seconds | [optional]
**read_version** | Option<**i32**> | Optional table version to read from | [optional]
**task_size** | Option<**i32**> | Optional task size | [optional]
**num_frags** | Option<**i32**> | Optional number of fragments | [optional]
**checkpoint_size** | Option<**i32**> | Optional checkpoint size | [optional]
**commit_granularity** | Option<**i32**> | Optional commit granularity | [optional]
**cluster** | Option<**String**> | Optional cluster name | [optional]
**manifest** | Option<**String**> | Optional manifest name | [optional]
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