[GitHub] flink issue #6281: [FLINK-9750] Add new StreamingFileSink with ResumableWrit...

2018-07-08 Thread xndai
Github user xndai commented on the issue:

https://github.com/apache/flink/pull/6281
  
hi @kl0u , where can I find overall document/design of the bucketing sink 
rework (FLINK-9749)? I am a committer of Apache Orc and are interested in 
helping Flink-Orc integration.


---


[GitHub] flink pull request #6075: [FLINK-9407] [hdfs connector] Support orc rolling ...

2018-07-08 Thread xndai
Github user xndai commented on a diff in the pull request:

https://github.com/apache/flink/pull/6075#discussion_r200831360
  
--- Diff: 
flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/OrcFileWriter.java
 ---
@@ -0,0 +1,269 @@
+/**
+ * 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.flink.orc;
+
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.streaming.connectors.fs.StreamWriterBase;
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.table.api.TableSchema;
+import org.apache.flink.types.Row;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
+import org.apache.orc.CompressionKind;
+import org.apache.orc.OrcFile;
+import org.apache.orc.TypeDescription;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+import static org.apache.flink.orc.OrcBatchReader.schemaToTypeInfo;
+
+/**
+ * A {@link Writer} that writes the bucket files as Hadoop {@link OrcFile}.
+ *
+ * @param  The type of the elements that are being written by the sink.
+ */
+public class OrcFileWriter extends StreamWriterBase {
+
+   private static final long serialVersionUID = 3L;
+
+   /**
+* The description of the types in an ORC file.
+*/
+   private TypeDescription schema;
+
+   /**
+* The schema of an ORC file.
+*/
+   private String metaSchema;
+
+   /**
+* A row batch that will be written to the ORC file.
+*/
+   private VectorizedRowBatch rowBatch;
+
+   /**
+* The writer that fill the records into the batch.
+*/
+   private OrcBatchWriter orcBatchWriter;
+
+   private transient org.apache.orc.Writer writer;
+
+   private CompressionKind compressionKind;
+
+   /**
+* The number of rows that currently being written.
+*/
+   private long writedRowSize;
+
+   /**
+* Creates a new {@code OrcFileWriter} that writes orc files without 
compression.
+*
+* @param metaSchema The orc schema.
+*/
+   public OrcFileWriter(String metaSchema) {
+   this(metaSchema, CompressionKind.NONE);
+   }
+
+   /**
+* Create a new {@code OrcFileWriter} that writes orc file with the 
gaven
+* schema and compression kind.
+*
+* @param metaSchema  The schema of an orc file.
+* @param compressionKind The compression kind to use.
+*/
+   public OrcFileWriter(String metaSchema, CompressionKind 
compressionKind) {
+   this.metaSchema = metaSchema;
+   this.schema = TypeDescription.fromString(metaSchema);
+   this.compressionKind = compressionKind;
+   }
+
+   @Override
+   public void open(FileSystem fs, Path path) throws IOException {
+   writer = OrcFile.createWriter(path, 
OrcFile.writerOptions(fs.getConf()).setSchema(schema).compress(compressionKind));
+   rowBatch = schema.createRowBatch();
+   orcBatchWriter = new 
OrcBatchWriter(Arrays.asList(orcSchemaToTableSchema(schema).getTypes()));
+   }
+
+   private TableSchema orcSchemaToTableSchema(TypeDescription orcSchema) {
+   List fieldNames = orcSchema.getFieldNames();
+   List typeDescriptions = 
orcSchema.getChildren();
+   List typeInformations = new ArrayList<>();
+
+   typeDescriptions.forEach(typeDescription -> {
+  

[GitHub] flink pull request #6075: [FLINK-9407] [hdfs connector] Support orc rolling ...

2018-07-08 Thread xndai
Github user xndai commented on a diff in the pull request:

https://github.com/apache/flink/pull/6075#discussion_r200830078
  
--- Diff: 
flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/OrcFileWriter.java
 ---
@@ -0,0 +1,269 @@
+/**
+ * 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.flink.orc;
+
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.streaming.connectors.fs.StreamWriterBase;
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.table.api.TableSchema;
+import org.apache.flink.types.Row;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
+import org.apache.orc.CompressionKind;
+import org.apache.orc.OrcFile;
+import org.apache.orc.TypeDescription;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+import static org.apache.flink.orc.OrcBatchReader.schemaToTypeInfo;
+
+/**
+ * A {@link Writer} that writes the bucket files as Hadoop {@link OrcFile}.
+ *
+ * @param  The type of the elements that are being written by the sink.
+ */
+public class OrcFileWriter extends StreamWriterBase {
+
+   private static final long serialVersionUID = 3L;
+
+   /**
+* The description of the types in an ORC file.
+*/
+   private TypeDescription schema;
+
+   /**
+* The schema of an ORC file.
+*/
+   private String metaSchema;
+
+   /**
+* A row batch that will be written to the ORC file.
+*/
+   private VectorizedRowBatch rowBatch;
+
+   /**
+* The writer that fill the records into the batch.
+*/
+   private OrcBatchWriter orcBatchWriter;
+
+   private transient org.apache.orc.Writer writer;
+
+   private CompressionKind compressionKind;
+
+   /**
+* The number of rows that currently being written.
+*/
+   private long writedRowSize;
+
+   /**
+* Creates a new {@code OrcFileWriter} that writes orc files without 
compression.
+*
+* @param metaSchema The orc schema.
+*/
+   public OrcFileWriter(String metaSchema) {
+   this(metaSchema, CompressionKind.NONE);
+   }
+
+   /**
+* Create a new {@code OrcFileWriter} that writes orc file with the 
gaven
+* schema and compression kind.
+*
+* @param metaSchema  The schema of an orc file.
+* @param compressionKind The compression kind to use.
+*/
+   public OrcFileWriter(String metaSchema, CompressionKind 
compressionKind) {
+   this.metaSchema = metaSchema;
+   this.schema = TypeDescription.fromString(metaSchema);
+   this.compressionKind = compressionKind;
+   }
+
+   @Override
+   public void open(FileSystem fs, Path path) throws IOException {
+   writer = OrcFile.createWriter(path, 
OrcFile.writerOptions(fs.getConf()).setSchema(schema).compress(compressionKind));
+   rowBatch = schema.createRowBatch();
+   orcBatchWriter = new 
OrcBatchWriter(Arrays.asList(orcSchemaToTableSchema(schema).getTypes()));
+   }
+
+   private TableSchema orcSchemaToTableSchema(TypeDescription orcSchema) {
+   List fieldNames = orcSchema.getFieldNames();
+   List typeDescriptions = 
orcSchema.getChildren();
+   List typeInformations = new ArrayList<>();
+
+   typeDescriptions.forEach(typeDescription -> {
+  

[GitHub] flink pull request #6075: [FLINK-9407] [hdfs connector] Support orc rolling ...

2018-07-08 Thread xndai
Github user xndai commented on a diff in the pull request:

https://github.com/apache/flink/pull/6075#discussion_r200830111
  
--- Diff: 
flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/OrcFileWriter.java
 ---
@@ -0,0 +1,269 @@
+/**
+ * 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.flink.orc;
+
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.streaming.connectors.fs.StreamWriterBase;
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.table.api.TableSchema;
+import org.apache.flink.types.Row;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
+import org.apache.orc.CompressionKind;
+import org.apache.orc.OrcFile;
+import org.apache.orc.TypeDescription;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+import static org.apache.flink.orc.OrcBatchReader.schemaToTypeInfo;
+
+/**
+ * A {@link Writer} that writes the bucket files as Hadoop {@link OrcFile}.
+ *
+ * @param  The type of the elements that are being written by the sink.
+ */
+public class OrcFileWriter extends StreamWriterBase {
+
+   private static final long serialVersionUID = 3L;
+
+   /**
+* The description of the types in an ORC file.
+*/
+   private TypeDescription schema;
+
+   /**
+* The schema of an ORC file.
+*/
+   private String metaSchema;
+
+   /**
+* A row batch that will be written to the ORC file.
+*/
+   private VectorizedRowBatch rowBatch;
+
+   /**
+* The writer that fill the records into the batch.
+*/
+   private OrcBatchWriter orcBatchWriter;
+
+   private transient org.apache.orc.Writer writer;
+
+   private CompressionKind compressionKind;
+
+   /**
+* The number of rows that currently being written.
+*/
+   private long writedRowSize;
+
+   /**
+* Creates a new {@code OrcFileWriter} that writes orc files without 
compression.
+*
+* @param metaSchema The orc schema.
+*/
+   public OrcFileWriter(String metaSchema) {
+   this(metaSchema, CompressionKind.NONE);
+   }
+
+   /**
+* Create a new {@code OrcFileWriter} that writes orc file with the 
gaven
+* schema and compression kind.
+*
+* @param metaSchema  The schema of an orc file.
+* @param compressionKind The compression kind to use.
+*/
+   public OrcFileWriter(String metaSchema, CompressionKind 
compressionKind) {
+   this.metaSchema = metaSchema;
+   this.schema = TypeDescription.fromString(metaSchema);
+   this.compressionKind = compressionKind;
+   }
+
+   @Override
+   public void open(FileSystem fs, Path path) throws IOException {
+   writer = OrcFile.createWriter(path, 
OrcFile.writerOptions(fs.getConf()).setSchema(schema).compress(compressionKind));
+   rowBatch = schema.createRowBatch();
+   orcBatchWriter = new 
OrcBatchWriter(Arrays.asList(orcSchemaToTableSchema(schema).getTypes()));
+   }
+
+   private TableSchema orcSchemaToTableSchema(TypeDescription orcSchema) {
+   List fieldNames = orcSchema.getFieldNames();
+   List typeDescriptions = 
orcSchema.getChildren();
+   List typeInformations = new ArrayList<>();
+
+   typeDescriptions.forEach(typeDescription -> {
+  

[GitHub] flink pull request #6075: [FLINK-9407] [hdfs connector] Support orc rolling ...

2018-07-08 Thread xndai
Github user xndai commented on a diff in the pull request:

https://github.com/apache/flink/pull/6075#discussion_r200830013
  
--- Diff: 
flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/OrcFileWriter.java
 ---
@@ -0,0 +1,269 @@
+/**
+ * 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.flink.orc;
+
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.streaming.connectors.fs.StreamWriterBase;
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.table.api.TableSchema;
+import org.apache.flink.types.Row;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
+import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
+import org.apache.orc.CompressionKind;
+import org.apache.orc.OrcFile;
+import org.apache.orc.TypeDescription;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+import static org.apache.flink.orc.OrcBatchReader.schemaToTypeInfo;
+
+/**
+ * A {@link Writer} that writes the bucket files as Hadoop {@link OrcFile}.
+ *
+ * @param  The type of the elements that are being written by the sink.
+ */
+public class OrcFileWriter extends StreamWriterBase {
+
+   private static final long serialVersionUID = 3L;
+
+   /**
+* The description of the types in an ORC file.
+*/
+   private TypeDescription schema;
+
+   /**
+* The schema of an ORC file.
+*/
+   private String metaSchema;
+
+   /**
+* A row batch that will be written to the ORC file.
+*/
+   private VectorizedRowBatch rowBatch;
+
+   /**
+* The writer that fill the records into the batch.
+*/
+   private OrcBatchWriter orcBatchWriter;
+
+   private transient org.apache.orc.Writer writer;
+
+   private CompressionKind compressionKind;
+
+   /**
+* The number of rows that currently being written.
+*/
+   private long writedRowSize;
+
+   /**
+* Creates a new {@code OrcFileWriter} that writes orc files without 
compression.
+*
+* @param metaSchema The orc schema.
+*/
+   public OrcFileWriter(String metaSchema) {
+   this(metaSchema, CompressionKind.NONE);
+   }
+
+   /**
+* Create a new {@code OrcFileWriter} that writes orc file with the 
gaven
+* schema and compression kind.
+*
+* @param metaSchema  The schema of an orc file.
+* @param compressionKind The compression kind to use.
+*/
+   public OrcFileWriter(String metaSchema, CompressionKind 
compressionKind) {
+   this.metaSchema = metaSchema;
+   this.schema = TypeDescription.fromString(metaSchema);
+   this.compressionKind = compressionKind;
+   }
+
+   @Override
+   public void open(FileSystem fs, Path path) throws IOException {
+   writer = OrcFile.createWriter(path, 
OrcFile.writerOptions(fs.getConf()).setSchema(schema).compress(compressionKind));
+   rowBatch = schema.createRowBatch();
+   orcBatchWriter = new 
OrcBatchWriter(Arrays.asList(orcSchemaToTableSchema(schema).getTypes()));
+   }
+
+   private TableSchema orcSchemaToTableSchema(TypeDescription orcSchema) {
+   List fieldNames = orcSchema.getFieldNames();
+   List typeDescriptions = 
orcSchema.getChildren();
+   List typeInformations = new ArrayList<>();
+
+   typeDescriptions.forEach(typeDescription -> {
+  

[GitHub] flink pull request #6075: [FLINK-9407] [hdfs connector] Support orc rolling ...

2018-07-08 Thread xndai
Github user xndai commented on a diff in the pull request:

https://github.com/apache/flink/pull/6075#discussion_r200830153
  
--- Diff: 
flink-connectors/flink-orc/src/test/java/org/apache/flink/orc/OrcFileWriterTest.java
 ---
@@ -0,0 +1,40 @@
+/**
+ * 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.flink.orc;
+
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.types.Row;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests for {@link OrcFileWriter}.
+ */
+public class OrcFileWriterTest {
+
+   @Test
+   public void testDuplicate() {
+   OrcFileWriter writer = new 
OrcFileWriter("struct");
--- End diff --

Need UTs for writing Orc files with all supported types. Also include 
negative cases, and cases where OrcBatchWriter.fill() returns false.


---