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fix(bigtable): add materialized view routing param to ReadRows and Sa… #13918

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fix(bigtable): add materialized view routing param to ReadRows and Sa…
mutianf Jul 28, 2026
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mutianf Jul 28, 2026
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33 changes: 27 additions & 6 deletions ...d-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStub.java
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,7 @@
import com.google.cloud.bigtable.data.v2.internal.PrepareResponse;
import com.google.cloud.bigtable.data.v2.internal.RequestContext;
import com.google.cloud.bigtable.data.v2.internal.SqlRow;
import com.google.cloud.bigtable.data.v2.internal.api.MaterializedViewName;
import com.google.cloud.bigtable.data.v2.internal.csm.tracers.BigtableTracerStreamingCallable;
import com.google.cloud.bigtable.data.v2.internal.csm.tracers.BigtableTracerUnaryCallable;
import com.google.cloud.bigtable.data.v2.internal.csm.tracers.TracedBatcherUnaryCallable;
Expand Down Expand Up @@ -374,8 +375,14 @@ private <ReqT, RowT> ServerStreamingCallable<ReadRowsRequest, RowT> createReadRo
.setMethodDescriptor(BigtableGrpc.getReadRowsMethod())
.setParamsExtractor(
r ->
composeRequestParams(
r.getAppProfileId(), r.getTableName(), r.getAuthorizedViewName()))
r.getMaterializedViewName().isEmpty()
? composeRequestParams(
r.getAppProfileId(), r.getTableName(), r.getAuthorizedViewName())
: composeInstanceLevelRequestParams(
MaterializedViewName.parse(r.getMaterializedViewName())
.getInstanceName()
.toString(),
r.getAppProfileId()))
.build(),
readRowsSettings.getRetryableCodes());

Expand Down Expand Up @@ -448,8 +455,14 @@ public <ReqT, RowT> ServerStreamingCallable<Query, RowT> createSkipLargeRowsCall
.setMethodDescriptor(BigtableGrpc.getReadRowsMethod())
.setParamsExtractor(
r ->
composeRequestParams(
r.getAppProfileId(), r.getTableName(), r.getAuthorizedViewName()))
r.getMaterializedViewName().isEmpty()
? composeRequestParams(
r.getAppProfileId(), r.getTableName(), r.getAuthorizedViewName())
: composeInstanceLevelRequestParams(
MaterializedViewName.parse(r.getMaterializedViewName())
.getInstanceName()
.toString(),
r.getAppProfileId()))
.build(),
readRowsSettings.getRetryableCodes());

Expand Down Expand Up @@ -598,8 +611,16 @@ public ApiFuture<List<KeyOffset>> futureCall(String s, ApiCallContext apiCallCon
.setMethodDescriptor(BigtableGrpc.getSampleRowKeysMethod())
.setParamsExtractor(
r ->
composeRequestParams(
r.getAppProfileId(), r.getTableName(), r.getAuthorizedViewName()))
r.getMaterializedViewName().isEmpty()
? composeRequestParams(
r.getAppProfileId(),
r.getTableName(),
r.getAuthorizedViewName())
: composeInstanceLevelRequestParams(
MaterializedViewName.parse(r.getMaterializedViewName())
.getInstanceName()
.toString(),
r.getAppProfileId()))
.build(),
perOpSettings.sampleRowKeysSettings.getRetryableCodes());

Expand Down
56 changes: 56 additions & 0 deletions ...able/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/ReadIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,16 @@
import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
import com.google.api.gax.rpc.ResponseObserver;
import com.google.api.gax.rpc.StreamController;
import com.google.cloud.bigtable.admin.v2.BigtableInstanceAdminClient;
import com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient;
import com.google.cloud.bigtable.admin.v2.models.AuthorizedView;
import com.google.cloud.bigtable.admin.v2.models.CreateMaterializedViewRequest;
import com.google.cloud.bigtable.admin.v2.models.CreateTableRequest;
import com.google.cloud.bigtable.data.v2.BigtableDataClient;
import com.google.cloud.bigtable.data.v2.BigtableDataSettings;
import com.google.cloud.bigtable.data.v2.models.AuthorizedViewId;
import com.google.cloud.bigtable.data.v2.models.BulkMutation;
import com.google.cloud.bigtable.data.v2.models.MaterializedViewId;
import com.google.cloud.bigtable.data.v2.models.Query;
import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
import com.google.cloud.bigtable.data.v2.models.Row;
Expand All @@ -43,6 +48,7 @@
import com.google.cloud.bigtable.data.v2.models.RowMutationEntry;
import com.google.cloud.bigtable.data.v2.models.TableId;
import com.google.cloud.bigtable.test_helpers.env.EmulatorEnv;
import com.google.cloud.bigtable.test_helpers.env.PrefixGenerator;
import com.google.cloud.bigtable.test_helpers.env.TestEnvRule;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
Expand Down Expand Up @@ -219,6 +225,56 @@ public void readEmptyOnAuthorizedView() throws Throwable {
.deleteAuthorizedView(tableId.getTableId(), testAuthorizedView.getId());
}

@Test
public void readFromMaterializedView() throws Throwable {
assume()
.withMessage("MaterializedView is not supported on Emulator")
.that(testEnvRule.env())
.isNotInstanceOf(EmulatorEnv.class);

BigtableDataClient dataClient = testEnvRule.env().getDataClient();
BigtableTableAdminClient tableAdmin = testEnvRule.env().getTableAdminClient();
BigtableInstanceAdminClient instanceAdmin = testEnvRule.env().getInstanceAdminClient();
String instanceId = testEnvRule.env().getInstanceId();

String tableId = PrefixGenerator.newPrefix("ReadIT#readFromMaterializedView");
String materializedViewId = PrefixGenerator.newPrefix("ReadIT#readFromMaterializedView");
String rowKey = prefix + "-readFromMaterializedView";

tableAdmin.createTable(CreateTableRequest.of(tableId).addFamily("cf1"));
try {
dataClient.mutateRow(
RowMutation.create(TableId.of(tableId), rowKey).setCell("cf1", "column", "value"));

instanceAdmin.createMaterializedView(
CreateMaterializedViewRequest.of(instanceId, materializedViewId)
.setQuery(
"SELECT _key, MAX(cf1['column']) as column FROM `" + tableId + "` GROUP BY _key")
.setDeletionProtection(false));
try {
Row row = null;
long[] backoffSeconds = {5, 10, 15, 30, 30, 30};
for (long backoff : backoffSeconds) {
List<Row> rows =
Lists.newArrayList(
dataClient.readRows(Query.create(MaterializedViewId.of(materializedViewId))));
if (!rows.isEmpty()) {
row = rows.get(0);
break;
}
Thread.sleep(backoff * 1000);
}

assertThat(row).isNotNull();
assertThat(row.getKey()).isEqualTo(ByteString.copyFromUtf8(rowKey));
} finally {
instanceAdmin.deleteMaterializedView(instanceId, materializedViewId);
}
} finally {
tableAdmin.deleteTable(tableId);
}
}

@Test
public void read() throws Throwable {
int numRows = 5;
Expand Down
17 changes: 17 additions & 0 deletions ...ogle-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/HeadersTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
import com.google.cloud.bigtable.data.v2.FakeServiceBuilder;
import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
import com.google.cloud.bigtable.data.v2.models.KeyOffset;
import com.google.cloud.bigtable.data.v2.models.MaterializedViewId;
import com.google.cloud.bigtable.data.v2.models.Mutation;
import com.google.cloud.bigtable.data.v2.models.Query;
import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
Expand Down Expand Up @@ -135,13 +136,29 @@ public void readRowsTest() {
verifyHeaderSent();
}

@Test
public void readRowsMaterializedViewTest() {
// Materialized views are instance-scoped, so routing happens on the instance name.
client.readRows(Query.create(MaterializedViewId.of("fake-materialized-view")));
verifyHeaderSent(true);
}

@Test
public void sampleRowKeysTest() {
@SuppressWarnings("UnusedVariable")
ApiFuture<List<KeyOffset>> ignored = client.sampleRowKeysAsync(TABLE_ID);
verifyHeaderSent();
}

@Test
public void sampleRowKeysMaterializedViewTest() {
// Materialized views are instance-scoped, so routing happens on the instance name.
@SuppressWarnings("UnusedVariable")
ApiFuture<List<KeyOffset>> ignored =
client.sampleRowKeysAsync(MaterializedViewId.of("fake-materialized-view"));
verifyHeaderSent(true);
}

@Test
public void mutateRowTest() {
ApiFuture<Void> ignored =
Expand Down
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