Esempio n. 1
0
    @Override
    protected Type visitInPredicate(InPredicate node, AnalysisContext context) {
      Expression value = node.getValue();
      process(value, context);

      Expression valueList = node.getValueList();
      process(valueList, context);

      if (valueList instanceof InListExpression) {
        InListExpression inListExpression = (InListExpression) valueList;

        coerceToSingleType(
            context,
            "IN value and list items must be the same type: %s",
            ImmutableList.<Expression>builder()
                .add(value)
                .addAll(inListExpression.getValues())
                .build());
      } else if (valueList instanceof SubqueryExpression) {
        coerceToSingleType(
            context,
            node,
            "value and result of subquery must be of the same type for IN expression: %s vs %s",
            value,
            valueList);
        subqueryInPredicates.add(node);
      }

      expressionTypes.put(node, BOOLEAN);
      return BOOLEAN;
    }
Esempio n. 2
0
    @Override
    protected Type visitInListExpression(InListExpression node, AnalysisContext context) {
      Type type =
          coerceToSingleType(
              context, "All IN list values must be the same type: %s", node.getValues());

      expressionTypes.put(node, type);
      return type; // TODO: this really should a be relation type
    }
Esempio n. 3
0
 @Override
 protected String visitInListExpression(InListExpression node, Boolean unmangleNames) {
   return "(" + joinExpressions(node.getValues(), unmangleNames) + ")";
 }