Testdrive test for PARTITION BY checks

test/testdrive/partition-by.td

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+# 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.
+
+# Tests for the new PARTITION BY syntax for persisted collections.
+
+# First, check that the flag is disabled by default.
+
+! CREATE MATERIALIZED VIEW integers (n) PARTITION BY (n) AS VALUES (3), (2), (1);
+contains:PARTITION BY
+
+$ postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
+ALTER SYSTEM SET partition_by = true
+
+> CREATE MATERIALIZED VIEW integers (n) PARTITION BY (n) AS VALUES (3), (2), (1);
+
+> CREATE MATERIALIZED VIEW integers_strings (n, m) PARTITION BY (n, m)
+  AS VALUES (3, 'three'), (2, 'two'), (1, 'one');
+
+! CREATE MATERIALIZED VIEW out_of_order (n, m) PARTITION BY (m, n)
+  AS VALUES (3, 'three'), (2, 'two'), (1, 'one');
+contains:PARTITION BY columns should be a prefix
+
+! CREATE MATERIALIZED VIEW out_of_order (n, m) PARTITION BY (m)
+  AS VALUES (3, 'three'), (2, 'two'), (1, 'one');
+contains:PARTITION BY columns should be a prefix
+
+! CREATE MATERIALIZED VIEW unsupported_type (n, m) PARTITION BY (n, m)
+  AS VALUES (3, '[3]'::json), (2, '[2]'::json), (1, '[1]'::json);
+contains:PARTITION BY column m has unsupported type