forked from apache/flink
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[FLINK-25720][python] Support Python UDTF in Thread Mode
This closes apache#20175.
- Loading branch information
1 parent
6c0dba2
commit 915efb2
Showing
13 changed files
with
353 additions
and
93 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
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
109 changes: 109 additions & 0 deletions
109
...pache/flink/table/runtime/operators/python/AbstractEmbeddedStatelessFunctionOperator.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 +1,109 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * https://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.table.runtime.operators.python; | ||
|
|
||
| import org.apache.flink.annotation.Internal; | ||
| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.streaming.api.operators.BoundedOneInput; | ||
| import org.apache.flink.streaming.api.operators.OneInputStreamOperator; | ||
| import org.apache.flink.streaming.api.operators.python.AbstractEmbeddedPythonFunctionOperator; | ||
| import org.apache.flink.table.data.GenericRowData; | ||
| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.table.runtime.operators.python.utils.StreamRecordRowDataWrappingCollector; | ||
| import org.apache.flink.table.runtime.typeutils.PythonTypeUtils; | ||
| import org.apache.flink.table.types.logical.RowType; | ||
| import org.apache.flink.util.Preconditions; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * Base class for all stream operators to execute Python Stateless Functions in embedded Python | ||
| * environment. | ||
| */ | ||
| @Internal | ||
| public abstract class AbstractEmbeddedStatelessFunctionOperator | ||
| extends AbstractEmbeddedPythonFunctionOperator<RowData> | ||
| implements OneInputStreamOperator<RowData, RowData>, BoundedOneInput { | ||
|
|
||
| private static final long serialVersionUID = 1L; | ||
|
|
||
| /** The offsets of user-defined function inputs. */ | ||
| protected final int[] udfInputOffsets; | ||
|
|
||
| /** The input logical type. */ | ||
| protected final RowType inputType; | ||
|
|
||
| /** The user-defined function input logical type. */ | ||
| protected final RowType udfInputType; | ||
|
|
||
| /** The user-defined function output logical type. */ | ||
| protected final RowType udfOutputType; | ||
|
|
||
| /** The GenericRowData reused holding the execution result of python udf. */ | ||
| protected transient GenericRowData reuseResultRowData; | ||
|
|
||
| /** The collector used to collect records. */ | ||
| protected transient StreamRecordRowDataWrappingCollector rowDataWrapper; | ||
|
|
||
| protected transient PythonTypeUtils.DataConverter[] userDefinedFunctionInputConverters; | ||
| protected transient Object[] userDefinedFunctionInputArgs; | ||
| protected transient PythonTypeUtils.DataConverter[] userDefinedFunctionOutputConverters; | ||
|
|
||
| public AbstractEmbeddedStatelessFunctionOperator( | ||
| Configuration config, | ||
| RowType inputType, | ||
| RowType udfInputType, | ||
| RowType udfOutputType, | ||
| int[] udfInputOffsets) { | ||
| super(config); | ||
| this.inputType = Preconditions.checkNotNull(inputType); | ||
| this.udfInputType = Preconditions.checkNotNull(udfInputType); | ||
| this.udfOutputType = Preconditions.checkNotNull(udfOutputType); | ||
| this.udfInputOffsets = Preconditions.checkNotNull(udfInputOffsets); | ||
| } | ||
|
|
||
| @Override | ||
| public void open() throws Exception { | ||
| super.open(); | ||
| rowDataWrapper = new StreamRecordRowDataWrappingCollector(output); | ||
| reuseResultRowData = new GenericRowData(udfOutputType.getFieldCount()); | ||
| RowType userDefinedFunctionInputType = | ||
| new RowType( | ||
| Arrays.stream(udfInputOffsets) | ||
| .mapToObj(i -> inputType.getFields().get(i)) | ||
| .collect(Collectors.toList())); | ||
| userDefinedFunctionInputConverters = | ||
| userDefinedFunctionInputType.getFields().stream() | ||
| .map(RowType.RowField::getType) | ||
| .map(PythonTypeUtils::toDataConverter) | ||
| .toArray(PythonTypeUtils.DataConverter[]::new); | ||
| userDefinedFunctionInputArgs = new Object[udfInputOffsets.length]; | ||
| userDefinedFunctionOutputConverters = | ||
| udfOutputType.getFields().stream() | ||
| .map(RowType.RowField::getType) | ||
| .map(PythonTypeUtils::toDataConverter) | ||
| .toArray(PythonTypeUtils.DataConverter[]::new); | ||
| } | ||
|
|
||
| @Override | ||
| protected void invokeFinishBundle() throws Exception { | ||
| // TODO: Support batches invoking. | ||
| } | ||
| } |
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.