Now column `Array<T>` contains column `offsets` and `data`, and type of column `offsets` is UInt32 now. If we call array_union to merge arrays repeatedly, the size of array may overflow. So we need to extend it before `Array Data Type` release.
Now column `Array<T>` contains column `offsets` and `data`, and type of column `offsets` is UInt32 now. If we call array_union to merge arrays repeatedly, the size of array may overflow. So we need to extend it before `Array Data Type` release.