Spark 3.5: Procedure to rewrite table path

spark/v3.5/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestRewriteTablePathProcedure.java

@@ -0,0 +1,174 @@
+/*
+ * 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.spark.extensions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.nio.file.Path;
+import java.util.List;
+import org.apache.iceberg.HasTableOperations;
+import org.apache.iceberg.RewriteTablePathUtil;
+import org.apache.iceberg.Table;
+import org.apache.spark.sql.AnalysisException;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.TestTemplate;
+import org.junit.jupiter.api.io.TempDir;
+
+public class TestRewriteTablePathProcedure extends ExtensionsTestBase {
+  @TempDir private Path staging;
+  @TempDir private Path targetTableDir;
+
+  @BeforeEach
+  public void setupTableLocation() {
+    sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName);
+  }
+
+  @AfterEach
+  public void removeTables() {
+    sql("DROP TABLE IF EXISTS %s", tableName);
+  }
+
+  @TestTemplate
+  public void testRewriteTablePathWithPositionalArgument() {
+    String location = targetTableDir.toFile().toURI().toString();
+    Table table = validationCatalog.loadTable(tableIdent);
+    String metadataJson =
+        (((HasTableOperations) table).operations()).current().metadataFileLocation();
+
+    List<Object[]> result =
+        sql(
+            "CALL %s.system.rewrite_table_path('%s', '%s', '%s')",
+            catalogName, tableIdent, table.location(), location);
+    assertThat(result).hasSize(1);
+    assertThat(result.get(0)[0])
+        .as("Should return correct latest version")
+        .isEqualTo(RewriteTablePathUtil.fileName(metadataJson));
+    assertThat(result.get(0)[1])
+        .as("Should return file_list_location")
+        .asString()
+        .startsWith(table.location())
+        .endsWith("file-list");
+    checkFileListLocationCount((String) result.get(0)[1], 1);
+  }
+
+  @TestTemplate
+  public void testRewriteTablePathWithNamedArgument() {
+    Table table = validationCatalog.loadTable(tableIdent);
+    String v0Metadata =
+        RewriteTablePathUtil.fileName(
+            (((HasTableOperations) table).operations()).current().metadataFileLocation());
+    sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName);
+    String v1Metadata =
+        RewriteTablePathUtil.fileName(
+            (((HasTableOperations) table).operations()).refresh().metadataFileLocation());
+
+    String targetLocation = targetTableDir.toFile().toURI().toString();
+    String stagingLocation = staging.toFile().toURI().toString();
+    String expectedFileListLocation = stagingLocation + "file-list";
+
+    List<Object[]> result =
+        sql(
+            "CALL %s.system.rewrite_table_path("
+                + "table => '%s', "
+                + "target_prefix => '%s', "
+                + "source_prefix => '%s', "
+                + "end_version => '%s', "
+                + "start_version => '%s', "
+                + "staging_location => '%s')",
+            catalogName,
+            tableIdent,
+            targetLocation,
+            table.location(),
+            v1Metadata,
+            v0Metadata,
+            stagingLocation);
+    assertThat(result).hasSize(1);
+    assertThat(result.get(0)[0]).as("Should return correct latest version").isEqualTo(v1Metadata);
+    assertThat(result.get(0)[1])
+        .as("Should return correct file_list_location")
+        .isEqualTo(expectedFileListLocation);
+    checkFileListLocationCount((String) result.get(0)[1], 4);
+  }
+
+  @TestTemplate
+  public void testProcedureWithInvalidInput() {
+    String targetLocation = targetTableDir.toFile().toURI().toString();
+
+    assertThatThrownBy(
+            () -> sql("CALL %s.system.rewrite_table_path('%s')", catalogName, tableIdent))
+        .isInstanceOf(AnalysisException.class)
+        .hasMessageContaining("Missing required parameters: [source_prefix,target_prefix]");
+    assertThatThrownBy(
+            () ->
+                sql(
+                    "CALL %s.system.rewrite_table_path('%s','%s')",
+                    catalogName, tableIdent, targetLocation))
+        .isInstanceOf(AnalysisException.class)
+        .hasMessageContaining("Missing required parameters: [target_prefix]");
+    assertThatThrownBy(
+            () ->
+                sql(
+                    "CALL %s.system.rewrite_table_path('%s', '%s','%s')",
+                    catalogName, "notExists", targetLocation, targetLocation))
+        .isInstanceOf(RuntimeException.class)
+        .hasMessageContaining("Couldn't load table");
+
+    Table table = validationCatalog.loadTable(tableIdent);
+    String v0Metadata =
+        RewriteTablePathUtil.fileName(
+            (((HasTableOperations) table).operations()).current().metadataFileLocation());
+    assertThatThrownBy(
+            () ->
+                sql(
+                    "CALL %s.system.rewrite_table_path("
+                        + "table => '%s', "
+                        + "source_prefix => '%s', "
+                        + "target_prefix => '%s', "
+                        + "start_version => '%s')",
+                    catalogName, tableIdent, table.location(), targetLocation, "v20.metadata.json"))
+        .isInstanceOf(IllegalArgumentException.class)
+        .hasMessageContaining(
+            "Cannot find provided version file %s in metadata log.", "v20.metadata.json");
+    assertThatThrownBy(
+            () ->
+                sql(
+                    "CALL %s.system.rewrite_table_path("
+                        + "table => '%s', "
+                        + "source_prefix => '%s', "
+                        + "target_prefix => '%s', "
+                        + "start_version => '%s',"
+                        + "end_version => '%s')",
+                    catalogName,
+                    tableIdent,
+                    table.location(),
+                    targetLocation,
+                    v0Metadata,
+                    "v11.metadata.json"))
+        .isInstanceOf(IllegalArgumentException.class)
+        .hasMessageContaining(
+            "Cannot find provided version file %s in metadata log.", "v11.metadata.json");
+  }
+
+  private void checkFileListLocationCount(String fileListLocation, long expectedFileCount) {
+    long fileCount = spark.read().format("text").load(fileListLocation).count();
+    assertThat(fileCount).isEqualTo(expectedFileCount);
+  }
+}

spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/RewriteTablePathSparkAction.java

@@ -219,8 +219,10 @@ private String validateVersion(TableMetadata tableMetadata, String versionFileNa
       }
     }
 
-    Preconditions.checkNotNull(
-        versionFile, "Version file %s does not exist in metadata log.", versionFile);
+    Preconditions.checkArgument(
+        versionFile != null,
+        "Cannot find provided version file %s in metadata log.",
+        versionFileName);
     Preconditions.checkArgument(
         fileExist(versionFile), "Version file %s does not exist.", versionFile);
     return versionFile;

spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/procedures/RewriteTablePathProcedure.java

@@ -0,0 +1,130 @@
+/*
+ * 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.spark.procedures;
+
+import org.apache.iceberg.actions.RewriteTablePath;
+import org.apache.iceberg.spark.actions.RewriteTablePathSparkAction;
+import org.apache.iceberg.spark.actions.SparkActions;
+import org.apache.spark.sql.catalyst.InternalRow;
+import org.apache.spark.sql.connector.catalog.Identifier;
+import org.apache.spark.sql.connector.catalog.TableCatalog;
+import org.apache.spark.sql.connector.iceberg.catalog.ProcedureParameter;
+import org.apache.spark.sql.types.DataTypes;
+import org.apache.spark.sql.types.Metadata;
+import org.apache.spark.sql.types.StructField;
+import org.apache.spark.sql.types.StructType;
+import org.apache.spark.unsafe.types.UTF8String;
+
+public class RewriteTablePathProcedure extends BaseProcedure {
+
+  private static final ProcedureParameter TABLE_PARAM =
+      ProcedureParameter.required("table", DataTypes.StringType);
+  private static final ProcedureParameter SOURCE_PREFIX_PARAM =
+      ProcedureParameter.required("source_prefix", DataTypes.StringType);
+  private static final ProcedureParameter TARGET_PREFIX_PARAM =
+      ProcedureParameter.required("target_prefix", DataTypes.StringType);
+  private static final ProcedureParameter START_VERSION_PARAM =
+      ProcedureParameter.optional("start_version", DataTypes.StringType);
+  private static final ProcedureParameter END_VERSION_PARM =
+      ProcedureParameter.optional("end_version", DataTypes.StringType);
+  private static final ProcedureParameter STAGING_LOCATION_PARAM =
+      ProcedureParameter.optional("staging_location", DataTypes.StringType);
+
+  private static final ProcedureParameter[] PARAMETERS =
+      new ProcedureParameter[] {
+        TABLE_PARAM,
+        SOURCE_PREFIX_PARAM,
+        TARGET_PREFIX_PARAM,
+        START_VERSION_PARAM,
+        END_VERSION_PARM,
+        STAGING_LOCATION_PARAM
+      };
+
+  private static final StructType OUTPUT_TYPE =
+      new StructType(
+          new StructField[] {
+            new StructField("latest_version", DataTypes.StringType, true, Metadata.empty()),
+            new StructField("file_list_location", DataTypes.StringType, true, Metadata.empty())
+          });
+
+  public static SparkProcedures.ProcedureBuilder builder() {
+    return new BaseProcedure.Builder<RewriteTablePathProcedure>() {
+      @Override
+      protected RewriteTablePathProcedure doBuild() {
+        return new RewriteTablePathProcedure(tableCatalog());
+      }
+    };
+  }
+
+  private RewriteTablePathProcedure(TableCatalog tableCatalog) {
+    super(tableCatalog);
+  }
+
+  @Override
+  public ProcedureParameter[] parameters() {
+    return PARAMETERS;
+  }
+
+  @Override
+  public StructType outputType() {
+    return OUTPUT_TYPE;
+  }
+
+  @Override
+  public InternalRow[] call(InternalRow args) {
+    ProcedureInput input = new ProcedureInput(spark(), tableCatalog(), PARAMETERS, args);
+    Identifier tableIdent = input.ident(TABLE_PARAM);
+    String sourcePrefix = input.asString(SOURCE_PREFIX_PARAM);
+    String targetPrefix = input.asString(TARGET_PREFIX_PARAM);
+    String startVersion = input.asString(START_VERSION_PARAM, null);
+    String endVersion = input.asString(END_VERSION_PARM, null);
+    String stagingLocation = input.asString(STAGING_LOCATION_PARAM, null);
+
+    return withIcebergTable(
+        tableIdent,
+        table -> {
+          RewriteTablePathSparkAction action = SparkActions.get().rewriteTablePath(table);
+
+          if (startVersion != null) {
+            action.startVersion(startVersion);
+          }
+          if (endVersion != null) {
+            action.endVersion(endVersion);
+          }
+          if (stagingLocation != null) {
+            action.stagingLocation(stagingLocation);
+          }
+
+          return toOutputRows(action.rewriteLocationPrefix(sourcePrefix, targetPrefix).execute());
+        });
+  }
+
+  private InternalRow[] toOutputRows(RewriteTablePath.Result result) {
+    return new InternalRow[] {
+      newInternalRow(
+          UTF8String.fromString(result.latestVersion()),
+          UTF8String.fromString(result.fileListLocation()))
+    };
+  }
+
+  @Override
+  public String description() {
+    return "RewriteTablePathProcedure";
+  }
+}

spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/procedures/SparkProcedures.java

@@ -62,6 +62,7 @@ private static Map<String, Supplier<ProcedureBuilder>> initProcedureBuilders() {
     mapBuilder.put("rewrite_position_delete_files", RewritePositionDeleteFilesProcedure::builder);
     mapBuilder.put("fast_forward", FastForwardBranchProcedure::builder);
     mapBuilder.put("compute_table_stats", ComputeTableStatsProcedure::builder);
+    mapBuilder.put("rewrite_table_path", RewriteTablePathProcedure::builder);
     return mapBuilder.build();
   }