BigQuery Storage Write API wrapper for Python SDK

.test-infra/jenkins/job_PostCommit_Python_CrossLanguage_Gcp_Dataflow.groovy

@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+
+import CommonJobProperties as commonJobProperties
+import PostcommitJobBuilder
+
+
+import static PythonTestProperties.CROSS_LANGUAGE_VALIDATES_RUNNER_PYTHON_VERSIONS
+
+
+// This job runs end-to-end cross language GCP IO tests with DataflowRunner.
+// Collects tests with the @pytest.mark.uses_gcp_java_expansion_service decorator
+PostcommitJobBuilder.postCommitJob('beam_PostCommit_Python_Xlang_Gcp_Dataflow',
+    'Run Python_Xlang_Gcp_Dataflow PostCommit', 'Python_Xlang_Gcp_Dataflow (\"Run Python_Xlang_Gcp_Dataflow PostCommit\")', this) {
+      description('Runs end-to-end cross language GCP IO tests on the Dataflow runner.')
+
+
+      // Set common parameters.
+      commonJobProperties.setTopLevelMainJobProperties(delegate)
+
+
+      // Publish all test results to Jenkins
+      publishers {
+        archiveJunit('**/pytest*.xml')
+      }
+
+
+      // Gradle goals for this job.
+      steps {
+        CROSS_LANGUAGE_VALIDATES_RUNNER_PYTHON_VERSIONS.each { pythonVersion ->
+          shell("echo \"Running cross language GCP IO tests with Python ${pythonVersion} on DataflowRunner.\"")
+          gradle {
+            rootBuildScriptDir(commonJobProperties.checkoutDir)
+            tasks(":sdks:python:test-suites:dataflow:py${pythonVersion.replace('.', '')}:gcpCrossLanguagePythonUsingJava")
+            commonJobProperties.setGradleSwitches(delegate)
+          }
+        }
+      }
+    }

.test-infra/jenkins/job_PostCommit_Python_CrossLanguage_Gcp_Direct.groovy

@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+
+import CommonJobProperties as commonJobProperties
+import PostcommitJobBuilder
+
+
+import static PythonTestProperties.CROSS_LANGUAGE_VALIDATES_RUNNER_PYTHON_VERSIONS
+
+
+// This job runs end-to-end cross language GCP IO tests with DirectRunner.
+// Collects tests with the @pytest.mark.uses_gcp_java_expansion_service decorator
+PostcommitJobBuilder.postCommitJob('beam_PostCommit_Python_Xlang_Gcp_Direct',
+    'Run Python_Xlang_Gcp_Direct PostCommit', 'Python_Xlang_Gcp_Direct (\"Run Python_Xlang_Gcp_Direct PostCommit\")', this) {
+      description('Runs end-to-end cross language GCP IO tests on the Direct runner.')
+
+
+      // Set common parameters.
+      commonJobProperties.setTopLevelMainJobProperties(delegate)
+
+
+      // Publish all test results to Jenkins
+      publishers {
+        archiveJunit('**/pytest*.xml')
+      }
+
+
+      // Gradle goals for this job.
+      steps {
+        CROSS_LANGUAGE_VALIDATES_RUNNER_PYTHON_VERSIONS.each { pythonVersion ->
+          shell("echo \"Running cross language GCP IO tests with Python ${pythonVersion} on DirectRunner.\"")
+          gradle {
+            rootBuildScriptDir(commonJobProperties.checkoutDir)
+            tasks(":sdks:python:test-suites:direct:py${pythonVersion.replace('.', '')}:gcpCrossLanguagePythonUsingJava")
+            commonJobProperties.setGradleSwitches(delegate)
+          }
+        }
+      }
+    }

CHANGES.md

@@ -60,6 +60,7 @@
 ## I/Os
 
 * Support for X source added (Java/Python) ([#X](https://github.com/apache/beam/issues/X)).
+* BigQuery Storage Write API is now available in Python SDK via cross-language ([#21961](https://github.com/apache/beam/issues/21961)).
 
 ## New Features / Improvements
 

buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy

@@ -318,6 +318,48 @@ class BeamModulePlugin implements Plugin<Project> {
     }
   }
 
+  // A class defining the common properties in a given suite of cross-language tests
+  // Properties are shared across runners and are used when creating a CrossLanguageUsingJavaExpansionConfiguration object
+  static class CrossLanguageTaskCommon {
+    // Used as the task name for cross-language
+    String name
+    // The expansion service's project path (required)
+    String expansionProjectPath
+    // Collect Python pipeline tests with this marker
+    String collectMarker
+    // Job server startup task.
+    TaskProvider startJobServer
+    // Job server cleanup task.
+    TaskProvider cleanupJobServer
+  }
+
+  // A class defining the configuration for CrossLanguageUsingJavaExpansion.
+  static class CrossLanguageUsingJavaExpansionConfiguration {
+    // Task name for cross-language tests using Java expansion.
+    String name = 'crossLanguageUsingJavaExpansion'
+    // Python pipeline options to use.
+    List<String> pythonPipelineOptions = [
+      "--runner=PortableRunner",
+      "--job_endpoint=localhost:8099",
+      "--environment_cache_millis=10000",
+      "--experiments=beam_fn_api",
+    ]
+    // Additional pytest options
+    List<String> pytestOptions = []
+    // Job server startup task.
+    TaskProvider startJobServer
+    // Job server cleanup task.
+    TaskProvider cleanupJobServer
+    // Number of parallel test runs.
+    Integer numParallelTests = 1
+    // Whether the pipeline needs --sdk_location option
+    boolean needsSdkLocation = false
+    // Project path for the expansion service to start up
+    String expansionProjectPath
+    // Collect Python pipeline tests with this marker
+    String collectMarker
+  }
+
   // A class defining the configuration for CrossLanguageValidatesRunner.
   static class CrossLanguageValidatesRunnerConfiguration {
     // Task name for cross-language validate runner case.
@@ -2375,6 +2417,108 @@ class BeamModulePlugin implements Plugin<Project> {
       }
     }
 
+    /** ***********************************************************************************************/
+    // Method to create the createCrossLanguageUsingJavaExpansionTask.
+    // The method takes CrossLanguageUsingJavaExpansionConfiguration as parameter.
+    // This method creates a task that runs Python SDK pipeline tests that use Java transforms via an input expansion service
+    project.ext.createCrossLanguageUsingJavaExpansionTask = {
+      // This task won't work if the python build file doesn't exist.
+      if (!project.project(":sdks:python").buildFile.exists()) {
+        System.err.println 'Python build file not found. Skipping createCrossLanguageUsingJavaExpansionTask.'
+        return
+      }
+      def config = it ? it as CrossLanguageUsingJavaExpansionConfiguration : new CrossLanguageUsingJavaExpansionConfiguration()
+
+      project.evaluationDependsOn(":sdks:python")
+      project.evaluationDependsOn(config.expansionProjectPath)
+      project.evaluationDependsOn(":runners:core-construction-java")
+      project.evaluationDependsOn(":sdks:java:extensions:python")
+
+      // Setting up args to launch the expansion service
+      def envDir = project.project(":sdks:python").envdir
+      def pythonDir = project.project(":sdks:python").projectDir
+      def javaExpansionPort = -1 // will be populated in setupTask
+      def expansionJar = project.project(config.expansionProjectPath).shadowJar.archivePath
+      def javaClassLookupAllowlistFile = project.project(config.expansionProjectPath).projectDir.getPath()
+      def expansionServiceOpts = [
+        "group_id": project.name,
+        "java_expansion_service_jar": expansionJar,
+        "java_expansion_service_allowlist_file": javaClassLookupAllowlistFile,
+      ]
+      def javaContainerSuffix
+      if (JavaVersion.current() == JavaVersion.VERSION_1_8) {
+        javaContainerSuffix = 'java8'
+      } else if (JavaVersion.current() == JavaVersion.VERSION_11) {
+        javaContainerSuffix = 'java11'
+      } else if (JavaVersion.current() == JavaVersion.VERSION_17) {
+        javaContainerSuffix = 'java17'
+      } else {
+        String exceptionMessage = "Your Java version is unsupported. You need Java version of 8 or 11 or 17 to get started, but your Java version is: " + JavaVersion.current();
+        throw new GradleException(exceptionMessage)
+      }
+
+      // 1. Builds the chosen expansion service jar and launches it
+      def setupTask = project.tasks.register(config.name+"Setup") {
+        dependsOn ':sdks:java:container:' + javaContainerSuffix + ':docker'
+        dependsOn project.project(config.expansionProjectPath).shadowJar.getPath()
+        dependsOn ":sdks:python:installGcpTest"
+        doLast {
+          project.exec {
+            // Prepare a port to use for the expansion service
+            javaExpansionPort = getRandomPort()
+            expansionServiceOpts.put("java_port", javaExpansionPort)
+            // setup test env
+            def serviceArgs = project.project(':sdks:python').mapToArgString(expansionServiceOpts)
+            executable 'sh'
+            args '-c', "$pythonDir/scripts/run_expansion_services.sh stop --group_id ${project.name} && $pythonDir/scripts/run_expansion_services.sh start $serviceArgs"
+          }
+        }
+      }
+
+      // 2. Sets up, collects, and runs Python pipeline tests
+      def sdkLocationOpt = []
+      if (config.needsSdkLocation) {
+        setupTask.configure {dependsOn ':sdks:python:sdist'}
+        sdkLocationOpt = [
+          "--sdk_location=${pythonDir}/build/apache-beam.tar.gz"
+        ]
+      }
+      def beamPythonTestPipelineOptions = [
+        "pipeline_opts": config.pythonPipelineOptions + sdkLocationOpt,
+        "test_opts": config.pytestOptions,
+        "suite": config.name,
+        "collect": config.collectMarker,
+      ]
+      def cmdArgs = project.project(':sdks:python').mapToArgString(beamPythonTestPipelineOptions)
+      def pythonTask = project.tasks.register(config.name+"PythonUsingJava") {
+        group = "Verification"
+        description = "Runs Python SDK pipeline tests that use a Java expansion service"
+        dependsOn setupTask
+        dependsOn config.startJobServer
+        doLast {
+          project.exec {
+            environment "EXPANSION_JAR", expansionJar
+            environment "EXPANSION_PORT", javaExpansionPort
+            executable 'sh'
+            args '-c', ". $envDir/bin/activate && cd $pythonDir && ./scripts/run_integration_test.sh $cmdArgs"
+          }
+        }
+      }
+
+      // 3. Shuts down the expansion service
+      def cleanupTask = project.tasks.register(config.name+'Cleanup', Exec) {
+        // teardown test env
+        executable 'sh'
+        args '-c', "$pythonDir/scripts/run_expansion_services.sh stop --group_id ${project.name}"
+      }
+
+      setupTask.configure {finalizedBy cleanupTask}
+      config.startJobServer.configure {finalizedBy config.cleanupJobServer}
+
+      cleanupTask.configure{mustRunAfter pythonTask}
+      config.cleanupJobServer.configure{mustRunAfter pythonTask}
+    }
+
     /** ***********************************************************************************************/
 
     // Method to create the crossLanguageValidatesRunnerTask.

sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/Schema.java

@@ -332,14 +332,16 @@ public static Schema of(Field... fields) {
   /** Returns an identical Schema with sorted fields. */
   public Schema sorted() {
     // Create a new schema and copy over the appropriate Schema object attributes:
-    // {fields, uuid, encodingPositions, options}
+    // {fields, uuid, options}
+    // Note: encoding positions are not copied over because generally they should align with the
+    // ordering of field indices. Otherwise, problems may occur when encoding/decoding Rows of
+    // this schema.
     Schema sortedSchema =
         this.fields.stream()
             .sorted(Comparator.comparing(Field::getName))
             .collect(Schema.toSchema())
             .withOptions(getOptions());
     sortedSchema.setUUID(getUUID());
-    sortedSchema.setEncodingPositions(getEncodingPositions());
 
     return sortedSchema;
   }

sdks/java/core/src/test/java/org/apache/beam/sdk/schemas/SchemaTest.java

@@ -221,7 +221,6 @@ public void testSorted() {
             .addStringField("d")
             .build()
             .withOptions(testOptions);
-    sortedSchema.setEncodingPositions(unorderedSchema.getEncodingPositions());
 
     assertEquals(true, unorderedSchema.equivalent(unorderedSchemaAfterSorting));
     assertEquals(

sdks/java/expansion-service/src/test/java/org/apache/beam/sdk/expansion/service/ExpansionServiceSchemaTransformProviderTest.java

@@ -70,10 +70,10 @@ public class ExpansionServiceSchemaTransformProviderTest {
 
   private static final Schema TEST_SCHEMATRANSFORM_CONFIG_SCHEMA =
       Schema.of(
-          Field.of("str1", FieldType.STRING),
-          Field.of("str2", FieldType.STRING),
           Field.of("int1", FieldType.INT32),
-          Field.of("int2", FieldType.INT32));
+          Field.of("int2", FieldType.INT32),
+          Field.of("str1", FieldType.STRING),
+          Field.of("str2", FieldType.STRING));
 
   private ExpansionService expansionService = new ExpansionService();
 
@@ -381,10 +381,10 @@ public void testSchemaTransformExpansion() {
                 .values());
     Row configRow =
         Row.withSchema(TEST_SCHEMATRANSFORM_CONFIG_SCHEMA)
-            .withFieldValue("str1", "aaa")
-            .withFieldValue("str2", "bbb")
             .withFieldValue("int1", 111)
             .withFieldValue("int2", 222)
+            .withFieldValue("str1", "aaa")
+            .withFieldValue("str2", "bbb")
             .build();
 
     ByteStringOutputStream outputStream = new ByteStringOutputStream();
@@ -440,10 +440,10 @@ public void testSchemaTransformExpansionMultiInputMultiOutput() {
 
     Row configRow =
         Row.withSchema(TEST_SCHEMATRANSFORM_CONFIG_SCHEMA)
-            .withFieldValue("str1", "aaa")
-            .withFieldValue("str2", "bbb")
             .withFieldValue("int1", 111)
             .withFieldValue("int2", 222)
+            .withFieldValue("str1", "aaa")
+            .withFieldValue("str2", "bbb")
             .build();
 
     ByteStringOutputStream outputStream = new ByteStringOutputStream();

sdks/java/io/google-cloud-platform/expansion-service/build.gradle

@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 apply plugin: 'org.apache.beam.module'
 apply plugin: 'application'
 mainClassName = "org.apache.beam.sdk.expansion.service.ExpansionService"

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BeamRowToStorageApiProto.java

@@ -118,7 +118,7 @@ public class BeamRowToStorageApiProto {
           .put(
               SqlTypes.DATETIME.getIdentifier(),
               (logicalType, value) ->
-                  CivilTimeEncoder.encodePacked64DatetimeSeconds((LocalDateTime) value))
+                  CivilTimeEncoder.encodePacked64DatetimeMicros((LocalDateTime) value))
           .put(
               SqlTypes.TIMESTAMP.getIdentifier(),
               (logicalType, value) -> (ChronoUnit.MICROS.between(Instant.EPOCH, (Instant) value)))

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryUtils.java

@@ -512,7 +512,7 @@ public static TableRow convertGenericRecordToTableRow(
     return BigQueryAvroUtils.convertGenericRecordToTableRow(record, tableSchema);
   }
 
-  /** Convert a BigQuery TableRow to a Beam Row. */
+  /** Convert a Beam Row to a BigQuery TableRow. */
   public static TableRow toTableRow(Row row) {
     TableRow output = new TableRow();
     for (int i = 0; i < row.getFieldCount(); i++) {
@@ -686,7 +686,14 @@ public static Row toBeamRow(Schema rowSchema, TableSchema bqSchema, TableRow jso
       if (JSON_VALUE_PARSERS.containsKey(fieldType.getTypeName())) {
         return JSON_VALUE_PARSERS.get(fieldType.getTypeName()).apply(jsonBQString);
       } else if (fieldType.isLogicalType(SqlTypes.DATETIME.getIdentifier())) {
-        return LocalDateTime.parse(jsonBQString, BIGQUERY_DATETIME_FORMATTER);
+        try {
+          // Handle if datetime value is in micros ie. 123456789
+          Long value = Long.parseLong(jsonBQString);
+          return CivilTimeEncoder.decodePacked64DatetimeMicrosAsJavaTime(value);
+        } catch (NumberFormatException e) {
+          // Handle as a String, ie. "2023-02-16 12:00:00"
+          return LocalDateTime.parse(jsonBQString, BIGQUERY_DATETIME_FORMATTER);
+        }
       } else if (fieldType.isLogicalType(SqlTypes.DATE.getIdentifier())) {
         return LocalDate.parse(jsonBQString);
       } else if (fieldType.isLogicalType(SqlTypes.TIME.getIdentifier())) {