Expand description
Value types shared across the catalog: table identity, desired vs live table state, column specs, comments, and credential vending.
These are pure data — no backend, no network. The reconcile planner
(crate::reconcile) computes over them, and each crate::TableCatalog
backend executes the resulting plan.
Structs§
- Column
Spec - A single column in a desired or live table schema.
- Comment
- A column description plus the authority that owns it.
- Desired
Table - The target state the engine wants a table to be in, derived from an incoming
Arrow
RecordBatchschema plus contract/engine metadata. - SinkId
- Identifies a sink registered as a writer of a table (ownership/coverage bookkeeping — see ADR-0053).
- Table
Ref - Fully-qualified three-level table identity (
catalog.schema.table). - Table
State - The live state of a table as reported by a backend’s
describe. - Vended
Credentials - Temporary, scoped credentials vended by the catalog, inheriting the requesting principal’s privileges. The engine never holds static secrets.
Enums§
- Access
- The access a caller needs when vending credentials.
- Comment
Authority - The origin of a column’s description, which decides who is authoritative for it (see the crate doc comment: engine-owned vs contract-owned).