Module pure 

SQL purification.

See the crate-level documentation for details.

Modules

mysql

MySQL utilities for SQL purification.

postgres

Postgres utilities for SQL purification.

sql_server

Structs

PurifiedSourceExport

Schema

SourcePreparation

Statement-local external results, reusable only for matching current requests.

SourcePreparationRequest

An external request derived from the current catalog and submitted statement.

SourcePreparationResponse

An external completion whose success or failure must be checked against current inputs.

Enums

PurifiedExportDetails

PurifiedStatement

SourcePreparationStatus

The result of resolving source preparation against a catalog.

StatementSource

The existing source a statement drives, and how the statement uses it.

Functions

generate_progress_subsource_statement

Generates a progress subsource, choosing an available name in the supplied catalog.

generate_subsource_statements

materialized_view_option_contains_temporal

Returns true if the MaterializedViewOption either already involves mz_now() or will involve after purification.

purify_create_materialized_view_options

Purifies a CREATE MATERIALIZED VIEW statement. Additionally, it adjusts resolved_ids if references to ids appear or disappear during the purification.

purify_statement

Purifies a statement, removing any dependencies on external state.

statement_source

Resolves the existing source that stmt drives, mirroring how the purification paths below resolve it themselves.