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In-memory representation of query results and the structures that carry rows from the engine to the consumer.

Holds the columnar data model, the row-oriented presentation layer used by display code, and the in-memory index types used by the engine. Together these form the runtime representation that everything above the storage tier (engine, subscriptions, the wire layer, the SDK) operates on.

Modulesยง

column
Columnar data model used by the engine and every consumer of query results.
frame
index
Index data structures used by the engine during planning and execution.