# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# 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.

mode standard

reset-server

# Enable the feature.
simple conn=mz_system,user=mz_system
ALTER SYSTEM SET enable_alter_swap TO true;
----
COMPLETE 0

statement ok
CREATE SCHEMA blue;

statement ok
CREATE TABLE blue.t1 (x int);

statement ok
INSERT INTO blue.t1 VALUES (1), (2), (3);

statement ok
CREATE SCHEMA green;

statement ok
CREATE TABLE green.t2 (y int);

statement ok
INSERT INTO green.t2 VALUES (4), (5), (6);

statement error db error: ERROR: unknown catalog item 'blue\.t2'
SELECT * FROM blue.t2;

statement ok
ALTER SCHEMA blue SWAP WITH green;

query I valuesort
SELECT * FROM blue.t2;
----
4
5
6

statement ok
CREATE SCHEMA "!\_\""w3😊_weird_name";

statement ok
CREATE TABLE "!\_\""w3😊_weird_name".t2 (y int);

statement ok
INSERT INTO "!\_\""w3😊_weird_name".t2 VALUES (7), (8), (9);

statement ok
ALTER SCHEMA blue SWAP WITH "!\_\""w3😊_weird_name";

query I valuesort
SELECT * FROM "!\_\""w3😊_weird_name".t2;
----
4
5
6

statement ok
ALTER SCHEMA blue SWAP WITH blue;

query I valuesort
SELECT * FROM blue.t2;
----
7
8
9

statement error db error: ERROR: unknown schema 'null'
ALTER SCHEMA blue SWAP WITH NULL;

statement error db error: ERROR: unknown schema 'null'
ALTER SCHEMA NULL SWAP WITH green;

statement ok
CREATE SCHEMA this_is_a_schema_with_a_super_long_name_of_exactly_255_characters_which_happens_to_be_the_maximum_we_allow_in_materialize_for_identifiers_of_any_kind_including_for_the_schema_name_so_this_should_still_work_perfectly_fine_as_long_as_we_dont_make_it_longer;

statement ok
ALTER SCHEMA this_is_a_schema_with_a_super_long_name_of_exactly_255_characters_which_happens_to_be_the_maximum_we_allow_in_materialize_for_identifiers_of_any_kind_including_for_the_schema_name_so_this_should_still_work_perfectly_fine_as_long_as_we_dont_make_it_longer SWAP WITH blue;

query I valuesort
SELECT * FROM this_is_a_schema_with_a_super_long_name_of_exactly_255_characters_which_happens_to_be_the_maximum_we_allow_in_materialize_for_identifiers_of_any_kind_including_for_the_schema_name_so_this_should_still_work_perfectly_fine_as_long_as_we_dont_make_it_longer.t2;
----
7
8
9

statement error db error: ERROR: cannot swap schemas that are in the ambient database
ALTER SCHEMA mz_internal SWAP WITH mz_catalog;

statement ok
CREATE DATABASE a;

statement ok
CREATE SCHEMA a.green;

statement ok
CREATE DATABASE b;

statement ok
CREATE SCHEMA b.blue;

statement error db error: ERROR: Expected end of statement, found dot
ALTER SCHEMA a.green SWAP WITH b.blue;

statement error db error: ERROR: unacceptable schema name 'mz_swap'
CREATE SCHEMA mz_swap;

statement ok
CREATE CLUSTER foo SIZE = '1';

statement ok
CREATE CLUSTER bar SIZE = '1';

statement ok
CREATE INDEX green_idx IN CLUSTER foo ON green.t1 (x);

query T
SELECT name FROM mz_clusters JOIN ( SELECT cluster_id FROM mz_indexes WHERE name = 'green_idx' ) my_index ON mz_clusters.id = my_index.cluster_id;
----
foo

statement ok
ALTER CLUSTER foo SWAP WITH bar;

query T
SELECT name FROM mz_clusters JOIN ( SELECT cluster_id FROM mz_indexes WHERE name = 'green_idx' ) my_index ON mz_clusters.id = my_index.cluster_id;
----
bar

# Disable the feature.
simple conn=mz_system,user=mz_system
ALTER SYSTEM SET enable_alter_swap TO false;
----
COMPLETE 0

statement error db error: ERROR: the ALTER SWAP feature for objects is not available
ALTER CLUSTER bar SWAP WITH foo;

# Cleanup.

statement ok
DROP CLUSTER foo CASCADE;

statement ok
DROP CLUSTER bar CASCADE;