JingsongLi commented on code in PR #2368:
URL: https://github.com/apache/incubator-paimon/pull/2368#discussion_r1405910358
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paimon-flink/paimon-flink-common/pom.xml:
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@@ -120,6 +121,20 @@ under the License.
</exclusions>
</dependency>
+
+ <dependency>
+ <groupId>org.apache.hive</groupId>
+ <artifactId>hive-metastore</artifactId>
Review Comment:
remove this
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paimon-spark/paimon-spark-common/src/main/java/org/apache/paimon/spark/procedure/MigrationTableProcedure.java:
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@@ -0,0 +1,51 @@
+/*
+ * 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.paimon.spark.procedure;
+
+import org.apache.spark.sql.catalyst.InternalRow;
+import org.apache.spark.sql.connector.catalog.TableCatalog;
+import org.apache.spark.sql.types.StructType;
+
+/** Test. */
+public class MigrationTableProcedure extends BaseProcedure {
Review Comment:
Remove this
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docs/content/migration/migration-from-hive.md:
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@@ -0,0 +1,81 @@
+---
+title: "Migration From Hive"
+weight: 1
+type: docs
+aliases:
+- /migration/migration-from-hive.html
+---
+<!--
+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.
+-->
+
+# Hive Table Migration
+
+Apache Hive supports ORC, Parquet file formats that could be migrated to
Paimon.
+When migrating data to a paimon table, the origin table will be permanently
disappeared. So please back up your data if you
+still need the original table. The migrated table will be [unaware-bucket
append-only table]({{< ref
"concepts/append-only-table#append-for-scalable-table" >}}).
+
+Now, we can use paimon hive catalog with Migrate Table Procedure and Migrate
File Procedure to totally migrate a table from hive to paimon.
+
+* Migrate Table Procedure: Paimon table does not exist, use the procedure
upgrade hive table to paimon table. Hive table will disappear after action done.
+* Migrate File Procedure: Paimon table already exists, use the procedure to
migrate files from hive table to paimon table. **Notice that, Hive table will
also disappear after action done.**
+
+<span style="color: red; "> **We highly recommend to back up hive table data
before migrating, because migrating action is not atomic. If been interrupted
while migrating, you may lose your data.** </span>
Review Comment:
Document file format.
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