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docs: require data_storage_version=2.2 in map type example #6032

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Xuanwo merged 1 commit into from
Feb 27, 2026
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docs: require data_storage_version=2.2 in map type example #6032

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3 changes: 2 additions & 1 deletion docs/src/guide/data_types.md
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Expand Up @@ -283,6 +283,7 @@ ds = lance.write_dataset(table, "./with_metadata.lance")
### Map Types

Store key-value pairs with dynamic keys:
Map writes require Lance file format version 2.2 or later.

```python
import lance
Expand All @@ -301,7 +302,7 @@ table = pa.Table.from_pydict({
],
}, schema=schema)

ds = lance.write_dataset(table, "./with_maps.lance")
ds = lance.write_dataset(table, "./with_maps.lance", data_storage_version="2.2")
```

## Data Type Mapping for Integrations
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