Examples with OperatorType com.facebook.presto.common.function.OperatorType used on opensource projects

Example 1 with OperatorType

use of com.facebook.presto.common.function.OperatorType in project presto by prestodb.

the class DruidAggregationProjectConverter method visitCall.

@Override
public DruidExpression visitCall(CallExpression call, Map<VariableReferenceExpression, DruidQueryGeneratorContext.Selection> context) {
    Optional<DruidExpression> basicCallHandlingResult = basicCallHandling(call, context);
    if (basicCallHandlingResult.isPresent()) {
        return basicCallHandlingResult.get();
    }
    FunctionMetadata functionMetadata = functionMetadataManager.getFunctionMetadata(call.getFunctionHandle());
    Optional<OperatorType> operatorTypeOptional = functionMetadata.getOperatorType();
    if (operatorTypeOptional.isPresent()) {
        OperatorType operatorType = operatorTypeOptional.get();
        if (operatorType.isArithmeticOperator()) {
            return handleArithmeticExpression(call, operatorType, context);
        }
        if (operatorType.isComparisonOperator()) {
            throw new PrestoException(DRUID_PUSHDOWN_UNSUPPORTED_EXPRESSION, "Unsupported operator: " + call + " to pushdown for Druid connector.");
        }
    }
    return handleFunction(call, context);
}

Example 2 with OperatorType

use of com.facebook.presto.common.function.OperatorType in project presto by prestodb.

the class BuiltInTypeAndFunctionNamespaceManager method getFunctionMetadata.

@Override
public FunctionMetadata getFunctionMetadata(FunctionHandle functionHandle) {
    checkArgument(functionHandle instanceof BuiltInFunctionHandle, "Expect BuiltInFunctionHandle");
    Signature signature = ((BuiltInFunctionHandle) functionHandle).getSignature();
    SpecializedFunctionKey functionKey;
    try {
        functionKey = specializedFunctionKeyCache.getUnchecked(signature);
    } catch (UncheckedExecutionException e) {
        throwIfInstanceOf(e.getCause(), PrestoException.class);
        throw e;
    }
    SqlFunction function = functionKey.getFunction();
    Optional<OperatorType> operatorType = tryGetOperatorType(signature.getName());
    if (operatorType.isPresent()) {
        return new FunctionMetadata(operatorType.get(), signature.getArgumentTypes(), signature.getReturnType(), signature.getKind(), JAVA, function.isDeterministic(), function.isCalledOnNullInput());
    } else if (function instanceof SqlInvokedFunction) {
        SqlInvokedFunction sqlFunction = (SqlInvokedFunction) function;
        List<String> argumentNames = sqlFunction.getParameters().stream().map(Parameter::getName).collect(toImmutableList());
        return new FunctionMetadata(signature.getName(), signature.getArgumentTypes(), argumentNames, signature.getReturnType(), signature.getKind(), sqlFunction.getRoutineCharacteristics().getLanguage(), SQL, function.isDeterministic(), function.isCalledOnNullInput(), sqlFunction.getVersion());
    } else {
        return new FunctionMetadata(signature.getName(), signature.getArgumentTypes(), signature.getReturnType(), signature.getKind(), JAVA, function.isDeterministic(), function.isCalledOnNullInput());
    }
}

Example 3 with OperatorType

use of com.facebook.presto.common.function.OperatorType in project presto by prestodb.

the class PinotAggregationProjectConverter method visitCall.

@Override
public PinotExpression visitCall(CallExpression call, Map<VariableReferenceExpression, PinotQueryGeneratorContext.Selection> context) {
    Optional<PinotExpression> basicCallHandlingResult = basicCallHandling(call, context);
    if (basicCallHandlingResult.isPresent()) {
        return basicCallHandlingResult.get();
    }
    FunctionMetadata functionMetadata = functionMetadataManager.getFunctionMetadata(call.getFunctionHandle());
    Optional<OperatorType> operatorTypeOptional = functionMetadata.getOperatorType();
    if (operatorTypeOptional.isPresent()) {
        OperatorType operatorType = operatorTypeOptional.get();
        if (operatorType.isArithmeticOperator()) {
            return handleArithmeticExpression(call, operatorType, context);
        }
        if (operatorType.isComparisonOperator()) {
            throw new PinotException(PINOT_UNSUPPORTED_EXPRESSION, Optional.empty(), "Comparison operator not supported: " + call);
        }
    }
    return handleFunction(call, context);
}

Example 4 with OperatorType

use of com.facebook.presto.common.function.OperatorType in project presto by prestodb.

the class AbstractMinMaxAggregationFunction method specialize.

@Override
public InternalAggregationFunction specialize(BoundVariables boundVariables, int arity, FunctionAndTypeManager functionAndTypeManager) {
    Type type = boundVariables.getTypeVariable("E");
    MethodHandle compareMethodHandle = functionAndTypeManager.getJavaScalarFunctionImplementation(functionAndTypeManager.resolveOperator(operatorType, fromTypes(type, type))).getMethodHandle();
    return generateAggregation(type, compareMethodHandle);
}

Example 5 with OperatorType

use of com.facebook.presto.common.function.OperatorType in project presto by prestodb.

the class TestEqualityInference method isOperation.

private static boolean isOperation(RowExpression expression, OperatorType type) {
    if (expression instanceof CallExpression) {
        CallExpression call = (CallExpression) expression;
        Optional<OperatorType> expressionOperatorType = METADATA.getFunctionAndTypeManager().getFunctionMetadata(call.getFunctionHandle()).getOperatorType();
        if (expressionOperatorType.isPresent()) {
            return expressionOperatorType.get() == type;
        }
    }
    return false;
}