From 6ee17a544b3dac9457421cc318b5034c7b8fc787 Mon Sep 17 00:00:00 2001
From: Yuya Ebihara <ebyhry@gmail.com>
Date: Mon, 1 Apr 2024 14:13:33 +0900
Subject: [PATCH] Remove unused HiveToTrinoConverter

---
 .../trino/rel2trino/HiveToTrinoConverter.java | 64 -------------------
 1 file changed, 64 deletions(-)
 delete mode 100644 coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverter.java

diff --git a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverter.java b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverter.java
deleted file mode 100644
index 30e637ab2..000000000
--- a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverter.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
- * Copyright 2017-2023 LinkedIn Corporation. All rights reserved.
- * Licensed under the BSD-2 Clause license.
- * See LICENSE in the project root for license information.
- */
-package com.linkedin.coral.trino.rel2trino;
-
-import java.util.Map;
-
-import org.apache.calcite.rel.RelNode;
-
-import com.linkedin.coral.common.HiveMetastoreClient;
-import com.linkedin.coral.hive.hive2rel.HiveToRelConverter;
-
-import static com.google.common.base.Preconditions.*;
-
-
-public class HiveToTrinoConverter {
-
-  private final HiveToRelConverter hiveToRelConverter;
-  private final RelToTrinoConverter relToTrinoConverter;
-
-  public static HiveToTrinoConverter create(HiveMetastoreClient mscClient) {
-    checkNotNull(mscClient);
-    HiveToRelConverter hiveToRelConverter = new HiveToRelConverter(mscClient);
-    RelToTrinoConverter relToTrinoConverter = new RelToTrinoConverter(mscClient);
-    return new HiveToTrinoConverter(hiveToRelConverter, relToTrinoConverter);
-  }
-
-  public static HiveToTrinoConverter create(HiveMetastoreClient mscClient, Map<String, Boolean> configs) {
-    checkNotNull(mscClient);
-    checkNotNull(configs);
-    HiveToRelConverter hiveToRelConverter = new HiveToRelConverter(mscClient);
-    RelToTrinoConverter relToTrinoConverter = new RelToTrinoConverter(mscClient, configs);
-    return new HiveToTrinoConverter(hiveToRelConverter, relToTrinoConverter);
-  }
-
-  private HiveToTrinoConverter(HiveToRelConverter hiveToRelConverter, RelToTrinoConverter relToTrinoConverter) {
-    this.hiveToRelConverter = hiveToRelConverter;
-    this.relToTrinoConverter = relToTrinoConverter;
-  }
-
-  /**
-   * Converts input HiveQL to Trino's SQL
-   *
-   * @param hiveSql hive sql query string
-   * @return Trino-compatible SQL string representing input hiveSql
-   */
-  public String toTrinoSql(String hiveSql) {
-    RelNode rel = hiveToRelConverter.convertSql(hiveSql);
-    return relToTrinoConverter.convert(rel);
-  }
-
-  /**
-   * Converts input view definition to Trino SQL
-   * @param dbName hive DB name
-   * @param viewName hive view base name
-   * @return Trino-compatible SQL matching input view definition
-   */
-  public String toTrinoSql(String dbName, String viewName) {
-    RelNode rel = hiveToRelConverter.convertView(dbName, viewName);
-    return relToTrinoConverter.convert(rel);
-  }
-}