use of org.apache.samza.operators.functions.StreamTableJoinFunction in project samza by apache.
the class TestJoinTranslator method testTranslateStreamToTableJoin.
private void testTranslateStreamToTableJoin(boolean isRemoteTable) throws IOException, ClassNotFoundException {
// setup mock values to the constructor of JoinTranslator
final String logicalOpId = "sql0_join3";
final int queryId = 0;
LogicalJoin mockJoin = PowerMockito.mock(LogicalJoin.class);
TranslatorContext mockTranslatorContext = mock(TranslatorContext.class);
RelNode mockLeftInput = PowerMockito.mock(LogicalTableScan.class);
RelNode mockRightInput = mock(RelNode.class);
List<RelNode> inputs = new ArrayList<>();
inputs.add(mockLeftInput);
inputs.add(mockRightInput);
RelOptTable mockLeftTable = mock(RelOptTable.class);
when(mockLeftInput.getTable()).thenReturn(mockLeftTable);
List<String> qualifiedTableName = Arrays.asList("test", "LeftTable");
when(mockLeftTable.getQualifiedName()).thenReturn(qualifiedTableName);
when(mockLeftInput.getId()).thenReturn(1);
when(mockRightInput.getId()).thenReturn(2);
when(mockJoin.getId()).thenReturn(3);
when(mockJoin.getInputs()).thenReturn(inputs);
when(mockJoin.getLeft()).thenReturn(mockLeftInput);
when(mockJoin.getRight()).thenReturn(mockRightInput);
RexCall mockJoinCondition = mock(RexCall.class);
when(mockJoinCondition.isAlwaysTrue()).thenReturn(false);
when(mockJoinCondition.getKind()).thenReturn(SqlKind.EQUALS);
when(mockJoin.getCondition()).thenReturn(mockJoinCondition);
RexInputRef mockLeftConditionInput = mock(RexInputRef.class);
RexInputRef mockRightConditionInput = mock(RexInputRef.class);
when(mockLeftConditionInput.getIndex()).thenReturn(0);
when(mockRightConditionInput.getIndex()).thenReturn(0);
List<RexNode> condOperands = new ArrayList<>();
condOperands.add(mockLeftConditionInput);
condOperands.add(mockRightConditionInput);
when(mockJoinCondition.getOperands()).thenReturn(condOperands);
RelDataType mockLeftCondDataType = mock(RelDataType.class);
RelDataType mockRightCondDataType = mock(RelDataType.class);
when(mockLeftCondDataType.getSqlTypeName()).thenReturn(SqlTypeName.BOOLEAN);
when(mockRightCondDataType.getSqlTypeName()).thenReturn(SqlTypeName.BOOLEAN);
when(mockLeftConditionInput.getType()).thenReturn(mockLeftCondDataType);
when(mockRightConditionInput.getType()).thenReturn(mockRightCondDataType);
RelDataType mockLeftRowType = mock(RelDataType.class);
// ?? why ??
when(mockLeftRowType.getFieldCount()).thenReturn(0);
when(mockLeftInput.getRowType()).thenReturn(mockLeftRowType);
List<String> leftFieldNames = Collections.singletonList("test_table_field1");
List<String> rightStreamFieldNames = Collections.singletonList("test_stream_field1");
when(mockLeftRowType.getFieldNames()).thenReturn(leftFieldNames);
RelDataType mockRightRowType = mock(RelDataType.class);
when(mockRightInput.getRowType()).thenReturn(mockRightRowType);
when(mockRightRowType.getFieldNames()).thenReturn(rightStreamFieldNames);
StreamApplicationDescriptorImpl mockAppDesc = mock(StreamApplicationDescriptorImpl.class);
OperatorSpec<Object, SamzaSqlRelMessage> mockLeftInputOp = mock(OperatorSpec.class);
MessageStream<SamzaSqlRelMessage> mockLeftInputStream = new MessageStreamImpl<>(mockAppDesc, mockLeftInputOp);
when(mockTranslatorContext.getMessageStream(eq(mockLeftInput.getId()))).thenReturn(mockLeftInputStream);
OperatorSpec<Object, SamzaSqlRelMessage> mockRightInputOp = mock(OperatorSpec.class);
MessageStream<SamzaSqlRelMessage> mockRightInputStream = new MessageStreamImpl<>(mockAppDesc, mockRightInputOp);
when(mockTranslatorContext.getMessageStream(eq(mockRightInput.getId()))).thenReturn(mockRightInputStream);
when(mockTranslatorContext.getStreamAppDescriptor()).thenReturn(mockAppDesc);
InputOperatorSpec mockInputOp = mock(InputOperatorSpec.class);
OutputStreamImpl mockOutputStream = mock(OutputStreamImpl.class);
when(mockInputOp.isKeyed()).thenReturn(true);
when(mockOutputStream.isKeyed()).thenReturn(true);
doAnswer(this.getRegisterMessageStreamAnswer()).when(mockTranslatorContext).registerMessageStream(eq(3), any(MessageStream.class));
RexToJavaCompiler mockCompiler = mock(RexToJavaCompiler.class);
when(mockTranslatorContext.getExpressionCompiler()).thenReturn(mockCompiler);
Expression mockExpr = mock(Expression.class);
when(mockCompiler.compile(any(), any())).thenReturn(mockExpr);
if (isRemoteTable) {
doAnswer(this.getRegisteredTableAnswer()).when(mockAppDesc).getTable(any(RemoteTableDescriptor.class));
} else {
IntermediateMessageStreamImpl mockPartitionedStream = new IntermediateMessageStreamImpl(mockAppDesc, mockInputOp, mockOutputStream);
when(mockAppDesc.getIntermediateStream(any(String.class), any(Serde.class), eq(false))).thenReturn(mockPartitionedStream);
doAnswer(this.getRegisteredTableAnswer()).when(mockAppDesc).getTable(any(RocksDbTableDescriptor.class));
}
when(mockJoin.getJoinType()).thenReturn(JoinRelType.INNER);
SamzaSqlExecutionContext mockExecutionContext = mock(SamzaSqlExecutionContext.class);
when(mockTranslatorContext.getExecutionContext()).thenReturn(mockExecutionContext);
SamzaSqlApplicationConfig mockAppConfig = mock(SamzaSqlApplicationConfig.class);
when(mockExecutionContext.getSamzaSqlApplicationConfig()).thenReturn(mockAppConfig);
Map<String, SqlIOConfig> ssConfigBySource = mock(HashMap.class);
when(mockAppConfig.getInputSystemStreamConfigBySource()).thenReturn(ssConfigBySource);
SqlIOConfig mockIOConfig = mock(SqlIOConfig.class);
TableDescriptor mockTableDesc;
if (isRemoteTable) {
mockTableDesc = mock(RemoteTableDescriptor.class);
} else {
mockTableDesc = mock(RocksDbTableDescriptor.class);
}
when(ssConfigBySource.get(String.join(".", qualifiedTableName))).thenReturn(mockIOConfig);
when(mockIOConfig.getTableDescriptor()).thenReturn(Optional.of(mockTableDesc));
JoinTranslator joinTranslator = new JoinTranslator(logicalOpId, "", queryId);
// Verify Metrics Works with Join
Context mockContext = mock(Context.class);
ContainerContext mockContainerContext = mock(ContainerContext.class);
TestMetricsRegistryImpl testMetricsRegistryImpl = new TestMetricsRegistryImpl();
when(mockContext.getContainerContext()).thenReturn(mockContainerContext);
when(mockContainerContext.getContainerMetricsRegistry()).thenReturn(testMetricsRegistryImpl);
TranslatorInputMetricsMapFunction inputMetricsMF = joinTranslator.getInputMetricsMF();
assertNotNull(inputMetricsMF);
inputMetricsMF.init(mockContext);
TranslatorOutputMetricsMapFunction outputMetricsMF = joinTranslator.getOutputMetricsMF();
assertNotNull(outputMetricsMF);
outputMetricsMF.init(mockContext);
assertEquals(1, testMetricsRegistryImpl.getCounters().size());
assertEquals(2, testMetricsRegistryImpl.getCounters().get(logicalOpId).size());
assertEquals(0, testMetricsRegistryImpl.getCounters().get(logicalOpId).get(0).getCount());
assertEquals(0, testMetricsRegistryImpl.getCounters().get(logicalOpId).get(1).getCount());
assertEquals(1, testMetricsRegistryImpl.getGauges().size());
// Apply translate() method to verify that we are getting the correct map operator constructed
joinTranslator.translate(mockJoin, mockTranslatorContext);
// make sure that context has been registered with LogicFilter and output message streams
verify(mockTranslatorContext, times(1)).registerMessageStream(3, this.getRegisteredMessageStream(3));
when(mockTranslatorContext.getRelNode(3)).thenReturn(mockJoin);
when(mockTranslatorContext.getMessageStream(3)).thenReturn(this.getRegisteredMessageStream(3));
StreamTableJoinOperatorSpec joinSpec = (StreamTableJoinOperatorSpec) Whitebox.getInternalState(this.getRegisteredMessageStream(3), "operatorSpec");
assertNotNull(joinSpec);
assertEquals(joinSpec.getOpCode(), OperatorSpec.OpCode.JOIN);
// Verify joinSpec has the corresponding setup
StreamTableJoinFunction joinFn = joinSpec.getJoinFn();
assertNotNull(joinFn);
if (isRemoteTable) {
assertTrue(joinFn instanceof SamzaSqlRemoteTableJoinFunction);
} else {
assertTrue(joinFn instanceof SamzaSqlLocalTableJoinFunction);
}
assertTrue(Whitebox.getInternalState(joinFn, "isTablePosOnRight").equals(false));
assertEquals(Collections.singletonList(0), Whitebox.getInternalState(joinFn, "streamFieldIds"));
assertEquals(leftFieldNames, Whitebox.getInternalState(joinFn, "tableFieldNames"));
List<String> outputFieldNames = new ArrayList<>();
outputFieldNames.addAll(leftFieldNames);
outputFieldNames.addAll(rightStreamFieldNames);
assertEquals(outputFieldNames, Whitebox.getInternalState(joinFn, "outFieldNames"));
}
use of org.apache.samza.operators.functions.StreamTableJoinFunction in project samza by apache.
the class JoinTranslator method joinStreamWithTable.
private MessageStream<SamzaSqlRelMessage> joinStreamWithTable(MessageStream<SamzaSqlRelMessage> inputStream, Table table, JoinInputNode streamNode, JoinInputNode tableNode, LogicalJoin join, TranslatorContext context) {
List<Integer> streamKeyIds = streamNode.getKeyIds();
List<Integer> tableKeyIds = tableNode.getKeyIds();
Validate.isTrue(streamKeyIds.size() == tableKeyIds.size());
log.info("Joining on the following Stream and Table field(s): ");
List<String> streamFieldNames = new ArrayList<>(streamNode.getFieldNames());
List<String> tableFieldNames = new ArrayList<>(tableNode.getFieldNames());
for (int i = 0; i < streamKeyIds.size(); i++) {
log.info(streamFieldNames.get(streamKeyIds.get(i)) + " with " + tableFieldNames.get(tableKeyIds.get(i)));
}
if (tableNode.isRemoteTable()) {
String remoteTableName = tableNode.getSourceName();
StreamTableJoinFunction joinFn = new SamzaSqlRemoteTableJoinFunction(context.getMsgConverter(remoteTableName), context.getTableKeyConverter(remoteTableName), streamNode, tableNode, join.getJoinType(), queryId);
return inputStream.map(inputMetricsMF).join(table, joinFn);
}
// Join with the local table
StreamTableJoinFunction joinFn = new SamzaSqlLocalTableJoinFunction(streamNode, tableNode, join.getJoinType());
SamzaSqlRelRecordSerdeFactory.SamzaSqlRelRecordSerde keySerde = (SamzaSqlRelRecordSerdeFactory.SamzaSqlRelRecordSerde) new SamzaSqlRelRecordSerdeFactory().getSerde(null, null);
SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde valueSerde = (SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde) new SamzaSqlRelMessageSerdeFactory().getSerde(null, null);
// the names from the stream as the lookup needs to be done based on what is stored in the local table.
return inputStream.map(inputMetricsMF).partitionBy(m -> createSamzaSqlCompositeKey(m, streamKeyIds, getSamzaSqlCompositeKeyFieldNames(tableFieldNames, tableKeyIds)), m -> m, KVSerde.of(keySerde, valueSerde), intermediateStreamPrefix + "stream_" + logicalOpId).map(KV::getValue).join(table, joinFn);
}
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