[FLINK-22649][python][table-planner-blink] Support StreamExecPythonCalc json serialization/deserialization #15913
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.flink.table.planner.plan.nodes.exec.stream; | ||
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| import org.apache.flink.table.api.TableConfig; | ||
| import org.apache.flink.table.api.TableEnvironment; | ||
| import org.apache.flink.table.planner.runtime.utils.JavaUserDefinedScalarFunctions.BooleanPythonScalarFunction; | ||
| import org.apache.flink.table.planner.runtime.utils.JavaUserDefinedScalarFunctions.PythonScalarFunction; | ||
| import org.apache.flink.table.planner.utils.StreamTableTestUtil; | ||
| import org.apache.flink.table.planner.utils.TableTestBase; | ||
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| import org.junit.Before; | ||
| import org.junit.Test; | ||
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| /** Test json serialization/deserialization for calc. */ | ||
| public class PythonCalcJsonPlanTest extends TableTestBase { | ||
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| private StreamTableTestUtil util; | ||
| private TableEnvironment tEnv; | ||
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| @Before | ||
| public void setup() { | ||
| util = streamTestUtil(TableConfig.getDefault()); | ||
| tEnv = util.getTableEnv(); | ||
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| String srcTableDdl = | ||
| "CREATE TABLE MyTable (\n" | ||
| + " a bigint,\n" | ||
| + " b int not null,\n" | ||
| + " c varchar,\n" | ||
| + " d timestamp(3)\n" | ||
| + ") with (\n" | ||
| + " 'connector' = 'values',\n" | ||
| + " 'bounded' = 'false')"; | ||
| tEnv.executeSql(srcTableDdl); | ||
| } | ||
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| @Test | ||
| public void testPythonCalc() { | ||
| tEnv.createTemporaryFunction("pyFunc", new PythonScalarFunction("pyFunc")); | ||
| String sinkTableDdl = | ||
| "CREATE TABLE MySink (\n" | ||
| + " a bigint,\n" | ||
| + " b int\n" | ||
| + ") with (\n" | ||
| + " 'connector' = 'values',\n" | ||
| + " 'table-sink-class' = 'DEFAULT')"; | ||
| tEnv.executeSql(sinkTableDdl); | ||
| util.verifyJsonPlan("insert into MySink select a, pyFunc(b, b) from MyTable"); | ||
| } | ||
|
Contributor
There was a problem hiding this comment. it's better to add a test with filter |
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| @Test | ||
| public void testPythonFunctionInWhereClause() { | ||
| tEnv.createTemporaryFunction("pyFunc", new BooleanPythonScalarFunction("pyFunc")); | ||
| String sinkTableDdl = | ||
| "CREATE TABLE MySink (\n" | ||
| + " a bigint,\n" | ||
| + " b int\n" | ||
| + ") with (\n" | ||
| + " 'connector' = 'values',\n" | ||
| + " 'table-sink-class' = 'DEFAULT')"; | ||
| tEnv.executeSql(sinkTableDdl); | ||
| util.verifyJsonPlan("insert into MySink select a, b from MyTable where pyFunc(b, b + 1)"); | ||
| } | ||
| } | ||
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nit: it's better to check the condition in
calcProgramis empty ?