Module mz_coord::coord::dataflow_builder

Types and methods for building dataflow descriptions.

Dataflows are buildable from the coordinator’s catalog and indexes members, which respectively describe the collection backing identifiers and indicate which identifiers have arrangements available. This module isolates that logic from the rest of the somewhat complicated coordinator.

Structs

DataflowBuilder

Borrows of catalog and indexes sufficient to build dataflow descriptions.

Enums

ExprPrepStyle

The styles in which an expression can be prepared for use in a dataflow.

Functions

eval_unmaterializable_func 🔒

prep_relation_expr

Prepares a relation expression for dataflow execution by preparing all contained scalar expressions (see prep_scalar_expr) in the specified style.

prep_scalar_expr

Prepares a scalar expression for execution by handling unmaterializable functions.