support pg_sequence

e2e_test/batch/catalog/pg_sequence.slt.part

@@ -0,0 +1,4 @@
+query ????????
+select seqrelid, seqtypid, seqstart, seqincrement, seqmax, seqmin, seqcache, seqcycle from pg_catalog.pg_sequence;
+----
+

src/frontend/src/catalog/system_catalog/pg_catalog/mod.rs

@@ -40,6 +40,7 @@ mod pg_proc;
 mod pg_range;
 mod pg_rewrite;
 mod pg_roles;
+mod pg_sequence;
 mod pg_sequences;
 mod pg_settings;
 mod pg_shadow;

src/frontend/src/catalog/system_catalog/pg_catalog/pg_sequence.rs

@@ -0,0 +1,31 @@
+// Copyright 2024 RisingWave Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use risingwave_common::types::Fields;
+use risingwave_frontend_macro::system_catalog;
+
+/// The catalog pg_sequence contains information about sequences.
+/// Reference: [`https://www.postgresql.org/docs/current/catalog-pg-sequence.html`]
+#[system_catalog(view, "pg_catalog.pg_sequence")]
+#[derive(Fields)]
+struct PgSequenceColumn {
+    seqrelid: i32,
+    seqtypid: i32,
+    seqstart: i64,
+    seqincrement: i64,
+    seqmax: i64,
+    seqmin: i64,
+    seqcache: i64,
+    seqcycle: bool,
+}