The ExternalRuntimeOptions schema now supports volumeMounts, allowing developers to mount Google Cloud Storage buckets or folders directly into the Python UDF container via the new ExternalVolumeMount resource. This enables Python-based managed functions to access external data as local files using mountPath and sourcePath. Furthermore, StandardSqlDataType now includes UUID in its typeKind enumeration, providing native support for 128-bit unique identifiers in BigQuery's type system, encoded as strings.
Medium Impact
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