use of org.apache.drill.exec.expr.holders.VarBinaryHolder in project drill by apache.
the class TestCastFunctions method testCastVarBinary.
@Test
public //cast to varbinary(length)
void testCastVarBinary(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
mockDrillbitContext(bitContext);
final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(CONFIG);
final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarBinary.json"), Charsets.UTF_8));
final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(CONFIG);
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 VarBinaryVector c0 = exec.getValueVectorById(new SchemaPath("int_lit_cast", ExpressionPosition.UNKNOWN), VarBinaryVector.class);
final VarBinaryVector.Accessor a0 = c0.getAccessor();
int count = 0;
for (int i = 0; i < c0.getAccessor().getValueCount(); i++) {
final VarBinaryHolder holder0 = new VarBinaryHolder();
a0.get(i, holder0);
assertEquals("123", StringFunctionHelpers.toStringFromUTF8(holder0.start, holder0.end, holder0.buffer));
++count;
}
assertEquals(5, count);
}
exec.close();
context.close();
if (context.getFailureCause() != null) {
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
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