[GitHub] [iceberg] rajarshisarkar commented on a diff in pull request #4807: Core: Add snapshot references metadata table

[GitBox <gi...@apache.org>]

rajarshisarkar commented on code in PR #4807:
URL: https://github.com/apache/iceberg/pull/4807#discussion_r881502209


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core/src/main/java/org/apache/iceberg/SnapshotRefsTable.java:
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@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+package org.apache.iceberg;
+
+import java.util.Map;
+import java.util.function.Function;
+import org.apache.iceberg.io.CloseableIterable;
+import org.apache.iceberg.relocated.com.google.common.collect.Maps;
+import org.apache.iceberg.types.Types;
+
+/**
+ * A {@link Table} implementation that exposes a table's known snapshot references as rows.
+ * <p>
+ * This does not include snapshots that have been expired using {@link ExpireSnapshots}.
+ */
+public class SnapshotRefsTable extends BaseMetadataTable {
+  private static final Schema SNAPSHOT_SCHEMA = new Schema(
+      Types.NestedField.required(1, "reference", Types.StringType.get()),
+      Types.NestedField.optional(2, "type", Types.StringType.get()),

Review Comment:
   Yeah, I missed it. I have made the change.



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