Module validation 

Schema-aware and semantic SQL validation.

This module extends syntax validation with:

• schema checks (unknown tables/columns)
• optional semantic warnings (SELECT *, LIMIT without ORDER BY, etc.)

Modules

validation_codes

Validation error/warning codes used by schema-aware validation.

Structs

SchemaColumn

Column definition used for schema-aware validation.

SchemaColumnReference

Column-level foreign key reference metadata.

SchemaForeignKey

Table-level foreign key reference metadata.

SchemaTable

Table definition used for schema-aware validation.

SchemaTableReference

Target of a table-level foreign key.

SchemaValidationOptions

Options for schema-aware validation.

ValidationSchema

Schema payload used for schema-aware validation.

Enums

TypeFamily

Canonical type family used by schema/type checks.

Functions

canonical_type_family

Canonicalize a schema type string into a stable TypeFamily.

mapping_schema_from_validation_schema

Build a MappingSchema from a ValidationSchema payload.

validate_with_schema

Validate SQL using syntax + schema-aware checks, with optional semantic warnings.