Examples with TableRowParser org.apache.beam.sdk.io.gcp.bigquery.BigQueryIO.TableRowParser used on opensource projects

Example 31 with TableRowParser

use of org.apache.beam.sdk.io.gcp.bigquery.BigQueryIO.TableRowParser in project beam by apache.

the class BigQueryIOStorageReadTest method testTableSourceInitialSplit_WithSelectedFieldsAndRowRestriction.

@Test
public void testTableSourceInitialSplit_WithSelectedFieldsAndRowRestriction() throws Exception {
    fakeDatasetService.createDataset("foo.com:project", "dataset", "", "", null);
    TableReference tableRef = BigQueryHelpers.parseTableSpec("foo.com:project:dataset.table");
    Table table = new Table().setTableReference(tableRef).setNumBytes(100L).setSchema(TABLE_SCHEMA);
    fakeDatasetService.createTable(table);
    CreateReadSessionRequest expectedRequest = CreateReadSessionRequest.newBuilder().setParent("projects/project-id").setReadSession(ReadSession.newBuilder().setTable("projects/foo.com:project/datasets/dataset/tables/table").setReadOptions(ReadSession.TableReadOptions.newBuilder().addSelectedFields("name").setRowRestriction("number > 5"))).setMaxStreamCount(10).build();
    ReadSession.Builder builder = ReadSession.newBuilder().setAvroSchema(AvroSchema.newBuilder().setSchema(TRIMMED_AVRO_SCHEMA_STRING)).setDataFormat(DataFormat.AVRO);
    for (int i = 0; i < 10; i++) {
        builder.addStreams(ReadStream.newBuilder().setName("stream-" + i));
    }
    StorageClient fakeStorageClient = mock(StorageClient.class);
    when(fakeStorageClient.createReadSession(expectedRequest)).thenReturn(builder.build());
    BigQueryStorageTableSource<TableRow> tableSource = BigQueryStorageTableSource.create(ValueProvider.StaticValueProvider.of(tableRef), StaticValueProvider.of(Lists.newArrayList("name")), StaticValueProvider.of("number > 5"), new TableRowParser(), TableRowJsonCoder.of(), new FakeBigQueryServices().withDatasetService(fakeDatasetService).withStorageClient(fakeStorageClient));
    List<? extends BoundedSource<TableRow>> sources = tableSource.split(10L, options);
    assertEquals(10L, sources.size());
}

Example 32 with TableRowParser

use of org.apache.beam.sdk.io.gcp.bigquery.BigQueryIO.TableRowParser in project beam by apache.

the class BigQueryIOStorageQueryTest method testQuerySourceCreateReader.

@Test
public void testQuerySourceCreateReader() throws Exception {
    BigQueryStorageQuerySource<TableRow> querySource = BigQueryStorageQuerySource.create(/* stepUuid = */
    "testStepUuid", ValueProvider.StaticValueProvider.of("SELECT * FROM `dataset.table`"), /* flattenResults = */
    false, /* useLegacySql = */
    false, /* priority = */
    QueryPriority.INTERACTIVE, /* location = */
    "asia-northeast1", /* queryTempDataset = */
    null, /* kmsKey = */
    null, null, new TableRowParser(), TableRowJsonCoder.of(), fakeBigQueryServices);
    thrown.expect(UnsupportedOperationException.class);
    thrown.expectMessage("BigQuery storage source must be split before reading");
    querySource.createReader(options);
}

Example 33 with TableRowParser

use of org.apache.beam.sdk.io.gcp.bigquery.BigQueryIO.TableRowParser in project beam by apache.

the class BigQueryIOStorageQueryTest method testQuerySourceInitialSplit_NoReferencedTables.

/**
 * This test simulates the scenario where the SQL text which is executed by the query job doesn't
 * by itself refer to any tables (e.g. "SELECT 17 AS value"), and thus there are no referenced
 * tables when the dry run of the query is performed.
 */
@Test
public void testQuerySourceInitialSplit_NoReferencedTables() throws Exception {
    Table queryResultTable = new Table().setSchema(new TableSchema().setFields(ImmutableList.of(new TableFieldSchema().setName("name").setType("STRING"), new TableFieldSchema().setName("number").setType("INTEGER")))).setNumBytes(1024L * 1024L);
    String encodedQuery = FakeBigQueryServices.encodeQueryResult(queryResultTable);
    fakeJobService.expectDryRunQuery(options.getProject(), encodedQuery, new JobStatistics().setQuery(new JobStatistics2().setTotalBytesProcessed(1024L * 1024L).setReferencedTables(ImmutableList.of())));
    String stepUuid = "testStepUuid";
    TableReference tempTableReference = createTempTableReference(options.getProject(), BigQueryResourceNaming.createJobIdPrefix(options.getJobName(), stepUuid, JobType.QUERY), Optional.empty());
    CreateReadSessionRequest expectedRequest = CreateReadSessionRequest.newBuilder().setParent("projects/" + options.getProject()).setReadSession(ReadSession.newBuilder().setTable(BigQueryHelpers.toTableResourceName(tempTableReference))).setMaxStreamCount(1024).build();
    Schema sessionSchema = SchemaBuilder.record("__root__").fields().name("name").type().nullable().stringType().noDefault().name("number").type().nullable().longType().noDefault().endRecord();
    ReadSession.Builder builder = ReadSession.newBuilder().setAvroSchema(AvroSchema.newBuilder().setSchema(sessionSchema.toString())).setDataFormat(DataFormat.AVRO);
    for (int i = 0; i < 1024; i++) {
        builder.addStreams(ReadStream.newBuilder().setName("stream-" + i));
    }
    StorageClient fakeStorageClient = mock(StorageClient.class);
    when(fakeStorageClient.createReadSession(expectedRequest)).thenReturn(builder.build());
    BigQueryStorageQuerySource<TableRow> querySource = BigQueryStorageQuerySource.create(stepUuid, ValueProvider.StaticValueProvider.of(encodedQuery), /* flattenResults = */
    true, /* useLegacySql = */
    true, /* priority = */
    QueryPriority.BATCH, /* location = */
    null, /* queryTempDataset = */
    null, /* kmsKey = */
    null, null, new TableRowParser(), TableRowJsonCoder.of(), new FakeBigQueryServices().withDatasetService(fakeDatasetService).withJobService(fakeJobService).withStorageClient(fakeStorageClient));
    List<? extends BoundedSource<TableRow>> sources = querySource.split(1024, options);
    assertEquals(1024, sources.size());
}

Example 34 with TableRowParser

use of org.apache.beam.sdk.io.gcp.bigquery.BigQueryIO.TableRowParser in project beam by apache.

the class BigQueryIOStorageQueryTest method testQuerySourceEstimatedSize.

@Test
public void testQuerySourceEstimatedSize() throws Exception {
    String fakeQuery = "fake query text";
    fakeJobService.expectDryRunQuery(options.getProject(), fakeQuery, new JobStatistics().setQuery(new JobStatistics2().setTotalBytesProcessed(125L)));
    BigQueryStorageQuerySource<TableRow> querySource = BigQueryStorageQuerySource.create(/* stepUuid = */
    "stepUuid", ValueProvider.StaticValueProvider.of(fakeQuery), /* flattenResults = */
    true, /* useLegacySql = */
    true, /* priority = */
    QueryPriority.INTERACTIVE, /* location = */
    null, /* queryTempDataset = */
    null, /* kmsKey = */
    null, null, new TableRowParser(), TableRowJsonCoder.of(), fakeBigQueryServices);
    assertEquals(125L, querySource.getEstimatedSizeBytes(options));
}