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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2021/06/25 01:42:27 UTC
[GitHub] [iceberg] karuppayya opened a new pull request #2736: Add schema validation before table import
karuppayya opened a new pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736
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[GitHub] [iceberg] flyrain commented on a change in pull request #2736: Add schema validation before table import
Posted by GitBox <gi...@apache.org>.
flyrain commented on a change in pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736#discussion_r664949558
##########
File path: spark/src/main/java/org/apache/iceberg/spark/SparkTableUtil.java
##########
@@ -437,6 +442,11 @@ private static void importUnpartitionedSparkTable(SparkSession spark, TableIdent
}
}
+ static boolean validateSchema(StructType srcSchema, Schema tgtSchema) {
Review comment:
Is it more suitable to put into `SparkSchemaUtil`?
##########
File path: spark/src/main/java/org/apache/iceberg/spark/SparkTableUtil.java
##########
@@ -370,6 +372,9 @@ public static void importSparkTable(SparkSession spark, TableIdentifier sourceTa
}
try {
+ CatalogTable sourceCatalogTable = catalog.getTableMetadata(sourceTableIdent);
+ Preconditions.checkArgument(validateSchema(sourceCatalogTable.schema(), targetTable.schema()),
+ "The schemas of source table and target table dont match");
Review comment:
dont -> don't
##########
File path: spark/src/test/java/org/apache/iceberg/spark/TestSparkTableUtil.java
##########
@@ -0,0 +1,102 @@
+/*
+ * 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;
+
+import java.util.List;
+import org.apache.iceberg.Schema;
+import org.apache.iceberg.relocated.com.google.common.collect.Lists;
+import org.apache.iceberg.types.Types;
+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.StructField$;
+import org.apache.spark.sql.types.StructType;
+import org.junit.Assert;
+import org.junit.Test;
+
+import static org.apache.iceberg.types.Types.NestedField.optional;
+
+public class TestSparkTableUtil {
Review comment:
Some test cases are more suitable for the method `SparkSchemaUtil.convert` since the method `validateSchema` didn't do a lot except invoking `SparkSchemaUtil.convert()` and `StructType.equals()`.
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[GitHub] [iceberg] karuppayya commented on pull request #2736: Add schema validation before table import
Posted by GitBox <gi...@apache.org>.
karuppayya commented on pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736#issuecomment-889482340
This PR requires more changes, closing it for now.
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[GitHub] [iceberg] karuppayya commented on pull request #2736: Add schema validation before table import
Posted by GitBox <gi...@apache.org>.
karuppayya commented on pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736#issuecomment-868126185
cc: @RussellSpitzer @aokolnychyi @flyrain @kbendick
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[GitHub] [iceberg] karuppayya closed pull request #2736: Add schema validation before table import
Posted by GitBox <gi...@apache.org>.
karuppayya closed pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736
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[GitHub] [iceberg] kbendick commented on a change in pull request #2736: Add schema validation before table import
Posted by GitBox <gi...@apache.org>.
kbendick commented on a change in pull request #2736:
URL: https://github.com/apache/iceberg/pull/2736#discussion_r670897796
##########
File path: spark/src/main/java/org/apache/iceberg/spark/SparkTableUtil.java
##########
@@ -437,6 +442,11 @@ private static void importUnpartitionedSparkTable(SparkSession spark, TableIdent
}
}
+ static boolean validateSchema(StructType srcSchema, Schema tgtSchema) {
+ StructType convertSchem = SparkSchemaUtil.convert(tgtSchema);
Review comment:
Nit: `convertSchema` - missing last `a` in variable name.
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