Package com.facebook.presto.sql.tree

Examples of com.facebook.presto.sql.tree.NullIfExpression

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            }
            else if (first instanceof Slice && second instanceof Slice) {
                return first.equals(second) ? null : first;
            }

            return new NullIfExpression(toExpression(first), toExpression(second));
        }
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            Type firstType = expressionTypes.get(node.getFirst());
            Type secondType = expressionTypes.get(node.getSecond());

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, firstType), toExpression(second, secondType));
            }

            Type commonType = FunctionRegistry.getCommonSuperType(firstType, secondType).get();

            FunctionInfo firstCast = metadata.getExactOperator(OperatorType.CAST, commonType, ImmutableList.of(firstType));
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            if (second == null) {
                return first;
            }

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, expressionTypes.get(node.getFirst())), toExpression(second, expressionTypes.get(node.getSecond())));
            }

            if ((Boolean) invokeOperator(OperatorType.EQUAL, types(node.getFirst(), node.getSecond()), ImmutableList.of(first, second))) {
                return null;
            }
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            Type firstType = expressionTypes.get(node.getFirst());
            Type secondType = expressionTypes.get(node.getSecond());

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, firstType), toExpression(second, secondType));
            }

            Type commonType = FunctionRegistry.getCommonSuperType(firstType, secondType).get();

            FunctionInfo firstCast = metadata.getExactOperator(OperatorType.CAST, commonType, ImmutableList.of(firstType));
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            Type firstType = expressionTypes.get(node.getFirst());
            Type secondType = expressionTypes.get(node.getSecond());

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, firstType), toExpression(second, secondType));
            }

            Type commonType = FunctionRegistry.getCommonSuperType(firstType, secondType).get();

            FunctionInfo firstCast = metadata.getFunctionRegistry().getCoercion(firstType, commonType);
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            }
            else if (first instanceof Slice && second instanceof Slice) {
                return first.equals(second) ? null : first;
            }

            return new NullIfExpression(toExpression(first), toExpression(second));
        }
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            if (second == null) {
                return first;
            }

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, expressionTypes.get(node.getFirst())), toExpression(second, expressionTypes.get(node.getSecond())));
            }

            if ((Boolean) invokeOperator(OperatorType.EQUAL, types(node.getFirst(), node.getSecond()), ImmutableList.of(first, second))) {
                return null;
            }
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            Type firstType = expressionTypes.get(node.getFirst());
            Type secondType = expressionTypes.get(node.getSecond());

            if (hasUnresolvedValue(first, second)) {
                return new NullIfExpression(toExpression(first, firstType), toExpression(second, secondType));
            }

            Type commonType = FunctionRegistry.getCommonSuperType(firstType, secondType).get();

            FunctionInfo firstCast = metadata.getFunctionRegistry().getCoercion(firstType, commonType);
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            }
            else if (first instanceof Slice && second instanceof Slice) {
                return first.equals(second) ? null : first;
            }

            return new NullIfExpression(toExpression(first), toExpression(second));
        }
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Related Classes of com.facebook.presto.sql.tree.NullIfExpression

  • com.facebook.presto.sql.planner.ExpressionInterpreter$Visitor
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