Package org.apache.drill.exec.memory

Examples of org.apache.drill.exec.memory.BufferAllocator$PreAllocator

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  @Test
  //cast to varchar(length)
  public void testCastVarChar(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();
    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarChar.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      VarCharVector c0 = exec.getValueVectorById(new SchemaPath("int_lit_cast", ExpressionPosition.UNKNOWN), VarCharVector.class);
      VarCharVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          VarCharHolder holder0 = new VarCharHolder();
          a0.get(i, holder0);
          assertEquals("123", StringFunctionHelpers.toStringFromUTF8(holder0.start, holder0.end, holder0.buffer));
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //cast to varbinary(length)
  public void testCastVarBinary(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();

    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarBinary.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      VarBinaryVector c0 = exec.getValueVectorById(new SchemaPath("int_lit_cast", ExpressionPosition.UNKNOWN), VarBinaryVector.class);
      VarBinaryVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          VarBinaryHolder holder0 = new VarBinaryHolder();
          a0.get(i, holder0);
          assertEquals("123", StringFunctionHelpers.toStringFromUTF8(holder0.start, holder0.end, holder0.buffer));
          ++count;

      }
      assertEquals(5, count);
    }
    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //nested: cast is nested in another cast, or another function.
  public void testCastNested(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();
    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastNested.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      IntVector c0 = exec.getValueVectorById(new SchemaPath("add_cast", ExpressionPosition.UNKNOWN),IntVector.class);
      IntVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          IntHolder holder0 = new IntHolder();
          a0.get(i, holder0);
          assertEquals(300, holder0.value);
          ++count;

      }
      assertEquals(5, count);
    }
    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
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  @Test(expected = NumberFormatException.class)
  public void testCastNumException(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();

    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastNumException.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
    }

    exec.stop();

    context.close();
    allocator.close();

    assertTrue(context.isFailed());

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
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public class TestLoad extends ExecTest {

  @Test
  public void testLoadValueVector() throws Exception {
    BufferAllocator allocator = new TopLevelAllocator();
    ValueVector fixedV = new IntVector(MaterializedField.create(new SchemaPath("ints", ExpressionPosition.UNKNOWN),
        Types.required(MinorType.INT)), allocator);
    ValueVector varlenV = new VarCharVector(MaterializedField.create(
        new SchemaPath("chars", ExpressionPosition.UNKNOWN), Types.required(MinorType.VARCHAR)), allocator);
    ValueVector nullableVarlenV = new NullableVarCharVector(MaterializedField.create(new SchemaPath("chars",
        ExpressionPosition.UNKNOWN), Types.optional(MinorType.VARCHAR)), allocator);

    List<ValueVector> vectors = Lists.newArrayList(fixedV, varlenV, nullableVarlenV);
    for (ValueVector v : vectors) {
      AllocationHelper.allocate(v, 100, 50);
      v.getMutator().generateTestData(100);
    }

    WritableBatch writableBatch = WritableBatch.getBatchNoHV(100, vectors, false);
    RecordBatchLoader batchLoader = new RecordBatchLoader(allocator);
    ByteBuf[] byteBufs = writableBatch.getBuffers();
    int bytes = 0;
    for (int i = 0; i < byteBufs.length; i++) {
      bytes += byteBufs[i].writerIndex();
    }
    DrillBuf byteBuf = allocator.buffer(bytes);
    int index = 0;
    for (int i = 0; i < byteBufs.length; i++) {
      byteBufs[i].readBytes(byteBuf, index, byteBufs[i].writerIndex());
      index += byteBufs[i].writerIndex();
    }
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  @Test
  // cast to bigint.
  public void testCastBigInt(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();

    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastBigInt.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      BigIntVector c0 = exec.getValueVectorById(new SchemaPath("varchar_cast", ExpressionPosition.UNKNOWN), BigIntVector.class);
      BigIntVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          BigIntHolder holder0 = new BigIntHolder();
          a0.get(i, holder0);
          assertEquals(1256, holder0.value);
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //cast to int
  public void testCastInt(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();

    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastInt.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      IntVector c0 = exec.getValueVectorById(new SchemaPath("varchar_cast", ExpressionPosition.UNKNOWN), IntVector.class);
      IntVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          IntHolder holder0 = new IntHolder();
          a0.get(i, holder0);
          assertEquals(1256, holder0.value);
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //cast to float4
  public void testCastFloat4(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{
    final BufferAllocator allocator = new TopLevelAllocator();
    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastFloat4.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      Float4Vector c0 = exec.getValueVectorById(new SchemaPath("varchar_cast2", ExpressionPosition.UNKNOWN), Float4Vector.class);
      Float4Vector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          Float4Holder holder0 = new Float4Holder();
          a0.get(i, holder0);
          assertEquals(12.56, holder0.value, 0.001);
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //cast to float8
  public void testCastFloat8(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();
    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastFloat8.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      Float8Vector c0 = exec.getValueVectorById(new SchemaPath("varchar_cast2", ExpressionPosition.UNKNOWN), Float8Vector.class);
      Float8Vector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          Float8Holder holder0 = new Float8Holder();
          a0.get(i, holder0);
          assertEquals(12.56, holder0.value, 0.001);
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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  @Test
  //cast to varchar(length)
  public void testCastVarChar(@Injectable final DrillbitContext bitContext,
                            @Injectable UserServer.UserClientConnection connection) throws Throwable{

    final BufferAllocator allocator = new TopLevelAllocator();
    new NonStrictExpectations(){{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = allocator;
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    }};

    PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarChar.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    while(exec.next()){
      VarCharVector c0 = exec.getValueVectorById(new SchemaPath("int_lit_cast", ExpressionPosition.UNKNOWN), VarCharVector.class);
      VarCharVector.Accessor a0;
      a0 = c0.getAccessor();

      int count = 0;
      for(int i = 0; i < c0.getAccessor().getValueCount(); i++){
          VarCharHolder holder0 = new VarCharHolder();
          a0.get(i, holder0);
          assertEquals("123", StringFunctionHelpers.toStringFromUTF8(holder0.start, holder0.end, holder0.buffer));
          ++count;

      }
      assertEquals(5, count);
    }

    exec.stop();

    context.close();
    allocator.close();

    if(context.getFailureCause() != null){
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
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