-
Notifications
You must be signed in to change notification settings - Fork 704
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
11 changed files
with
299 additions
and
65 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
118 changes: 118 additions & 0 deletions
118
...rce/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryReflectionUtil.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * 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.spark.sql; | ||
|
|
||
| import java.lang.reflect.Array; | ||
| import java.lang.reflect.Field; | ||
| import java.lang.reflect.Method; | ||
|
|
||
| import org.apache.carbondata.common.annotations.InterfaceAudience; | ||
| import org.apache.carbondata.core.scan.result.vector.CarbonDictionary; | ||
|
|
||
| import org.apache.spark.sql.execution.vectorized.ColumnVector; | ||
|
|
||
| /** | ||
| * This class uses the java reflection to create parquet dictionary class as CDH distribution uses | ||
| * twitter parquet instead of apache parquet. | ||
| */ | ||
| @InterfaceAudience.Internal | ||
| public class CarbonDictionaryReflectionUtil { | ||
|
|
||
| private static final boolean isApacheParquet; | ||
|
|
||
| static { | ||
| boolean isApache = true; | ||
| try { | ||
| createClass("org.apache.parquet.column.Encoding"); | ||
| } catch (Exception e) { | ||
| isApache = false; | ||
| } | ||
| isApacheParquet = isApache; | ||
| } | ||
|
|
||
| public static Object generateDictionary(CarbonDictionary dictionary) { | ||
| Class binary = createClass(getQualifiedName("parquet.io.api.Binary")); | ||
| Object binaries = Array.newInstance(binary, dictionary.getDictionarySize()); | ||
| try { | ||
| for (int i = 0; i < dictionary.getDictionarySize(); i++) { | ||
| Object binaryValue = invokeStaticMethod(binary, "fromReusedByteArray", | ||
| new Object[] { dictionary.getDictionaryValue(i) }, new Class[] { byte[].class }); | ||
| Array.set(binaries, i, binaryValue); | ||
| } | ||
| ; | ||
| Class bytesInputClass = createClass(getQualifiedName("parquet.bytes.BytesInput")); | ||
| Object bytesInput = invokeStaticMethod(bytesInputClass, "from", new Object[] { new byte[0] }, | ||
| new Class[] { byte[].class }); | ||
|
|
||
| Class dictPageClass = createClass(getQualifiedName("parquet.column.page.DictionaryPage")); | ||
| Class encodingClass = createClass(getQualifiedName("parquet.column.Encoding")); | ||
| Object plainEncoding = invokeStaticMethod(encodingClass, "valueOf", new Object[] { "PLAIN" }, | ||
| new Class[] { String.class }); | ||
|
|
||
| Object dictPageObj = | ||
| dictPageClass.getDeclaredConstructor(bytesInputClass, int.class, encodingClass) | ||
| .newInstance(bytesInput, 0, plainEncoding); | ||
| Class plainDict = createClass(getQualifiedName( | ||
| "parquet.column.values.dictionary.PlainValuesDictionary$PlainBinaryDictionary")); | ||
| Object plainDictionary = | ||
| plainDict.getDeclaredConstructor(dictPageClass).newInstance(dictPageObj); | ||
| Field field = plainDict.getDeclaredField("binaryDictionaryContent"); | ||
| field.setAccessible(true); | ||
| field.set(plainDictionary, binaries); | ||
| return plainDictionary; | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| private static Object invokeStaticMethod(Class className, String methodName, Object[] values, | ||
| Class[] classes) throws Exception { | ||
| Method method = className.getMethod(methodName, classes); | ||
| return method.invoke(null, values); | ||
| } | ||
|
|
||
| private static Class createClass(String className) { | ||
| try { | ||
| return Class.forName(className); | ||
| } catch (ClassNotFoundException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| private static String getQualifiedName(String className) { | ||
| if (isApacheParquet) { | ||
| return "org.apache." + className; | ||
| } else { | ||
| return className; | ||
| } | ||
| } | ||
|
|
||
| public static void setDictionary(ColumnVector vector, Object dictionary) { | ||
| try { | ||
| Class<?> aClass = vector.getClass(); | ||
| while (!aClass.getSimpleName().equals("ColumnVector")) { | ||
| aClass = aClass.getSuperclass(); | ||
| } | ||
| Field field = aClass.getDeclaredField("dictionary"); | ||
| field.setAccessible(true); | ||
| field.set(vector, dictionary); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| } |
44 changes: 0 additions & 44 deletions
44
...datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryWrapper.java
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.