Build a set of writers for a single (non-hyper) vector container.
Build (materialize) as set of vectors based on a provided metadata schema.
Reader index that points directly to each row in the row set.
Builds a set of readers for a single (non-hyper) batch.
Produce a metadata schema from a vector container.
Given a vector container, and a metadata schema that matches the container, walk the schema tree to allocate new vectors according to a given row count and the size information provided in column metadata.
The classes here walk the container/map/vector tree to apply operations.
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