// Copyright Materialize, Inc. and contributors. All rights reserved.
//
// Use of this software is governed by the Business Source License
// included in the LICENSE file.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0.
//! Namespace constants to share between high- and low-levels of the system.
// TODO: define default database, schema names
pub const MZ_TEMP_SCHEMA: &str = "mz_temp";
pub const MZ_CATALOG_SCHEMA: &str = "mz_catalog";
pub const MZ_CATALOG_UNSTABLE_SCHEMA: &str = "mz_catalog_unstable";
pub const PG_CATALOG_SCHEMA: &str = "pg_catalog";
pub const MZ_INTERNAL_SCHEMA: &str = "mz_internal";
pub const MZ_INTROSPECTION_SCHEMA: &str = "mz_introspection";
pub const INFORMATION_SCHEMA: &str = "information_schema";
pub const MZ_UNSAFE_SCHEMA: &str = "mz_unsafe";
pub const SYSTEM_SCHEMAS: &[&str] = &[
MZ_CATALOG_SCHEMA,
MZ_CATALOG_UNSTABLE_SCHEMA,
PG_CATALOG_SCHEMA,
MZ_INTERNAL_SCHEMA,
MZ_INTROSPECTION_SCHEMA,
INFORMATION_SCHEMA,
MZ_UNSAFE_SCHEMA,
];
pub const UNSTABLE_SCHEMAS: &[&str] = &[
MZ_CATALOG_UNSTABLE_SCHEMA,
MZ_INTERNAL_SCHEMA,
MZ_INTROSPECTION_SCHEMA,
MZ_UNSAFE_SCHEMA,
];
/// Returns whether `name` identifies is a system schema.
pub fn is_system_schema(name: &str) -> bool {
SYSTEM_SCHEMAS.contains(&name)
}
/// Returns whether `name` identifies is an unstable schema.
pub fn is_unstable_schema(name: &str) -> bool {
UNSTABLE_SCHEMAS.contains(&name)
}