Examples with NullableVarCharHolder org.apache.drill.exec.expr.holders.NullableVarCharHolder used on opensource projects

Example 1 with NullableVarCharHolder

use of org.apache.drill.exec.expr.holders.NullableVarCharHolder in project drill by apache.

the class TestSimpleFunctions method testSubstringNegative.

@Test
public void testSubstringNegative(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
    mockDrillbitContext(bitContext);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/testSubstringNegative.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
        final NullableVarCharVector c1 = exec.getValueVectorById(new SchemaPath("col3", ExpressionPosition.UNKNOWN), NullableVarCharVector.class);
        final NullableVarCharVector.Accessor a1 = c1.getAccessor();
        int count = 0;
        for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
            if (!a1.isNull(i)) {
                final NullableVarCharHolder holder = new NullableVarCharHolder();
                a1.get(i, holder);
                //when offset is negative, substring return empty string.
                assertEquals("", StringFunctionHelpers.toStringFromUTF8(holder.start, holder.end, holder.buffer));
                ++count;
            }
        }
        assertEquals(50, count);
    }
    if (context.getFailureCause() != null) {
        throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
}

Example 2 with NullableVarCharHolder

use of org.apache.drill.exec.expr.holders.NullableVarCharHolder in project drill by apache.

the class TestSimpleFunctions method testSubstring.

@Test
public void testSubstring(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
    mockDrillbitContext(bitContext);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/testSubstring.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
        final NullableVarCharVector c1 = exec.getValueVectorById(new SchemaPath("col3", ExpressionPosition.UNKNOWN), NullableVarCharVector.class);
        final NullableVarCharVector.Accessor a1 = c1.getAccessor();
        int count = 0;
        for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
            if (!a1.isNull(i)) {
                final NullableVarCharHolder holder = new NullableVarCharHolder();
                a1.get(i, holder);
                assertEquals("aaaa", StringFunctionHelpers.toStringFromUTF8(holder.start, holder.end, holder.buffer));
                ++count;
            }
        }
        assertEquals(50, count);
    }
    if (context.getFailureCause() != null) {
        throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
}