Type Alias: ValidateColumnTypes<S>

type ValidateColumnTypes<S> = keyof S extends infer TableName ? TableName extends keyof S ? keyof S[TableName] extends infer ColumnName ? ColumnName extends keyof S[TableName] ? InferType<S[TableName][ColumnName]> extends SqliteValue ? never : SchemaValidationError<`Table "${TableName & string}" column "${ColumnName & string}" type is not compatible with SQLite. Column types must extend SqliteValue (string, number, Uint8Array, or null).`> : never : never : never : never;