Package de.fuberlin.wiwiss.d2rq.algebra

Examples of de.fuberlin.wiwiss.d2rq.algebra.Attribute.toExpression()

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      }
    } else if (!attributes.isEmpty()) {
      AttributeExpr attribute = new AttributeExpr(attributes.iterator().next());
      if (!blankNodeIDs.isEmpty()) {
        BlankNodeID first = blankNodeIDs.iterator().next();
        translated.add(Equality.create(attribute, first.toExpression()));
      }
      if (!patterns.isEmpty()) {
        Pattern first = patterns.iterator().next();
        translated.add(Equality.create(attribute, first.toExpression()));
        checkUsesColumnFunctions(first);
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        BlankNodeID first = blankNodeIDs.iterator().next();
        translated.add(Equality.create(attribute, first.toExpression()));
      }
      if (!patterns.isEmpty()) {
        Pattern first = patterns.iterator().next();
        translated.add(Equality.create(attribute, first.toExpression()));
        checkUsesColumnFunctions(first);
      }
      if (!expressions.isEmpty()) {
        Expression first = expressions.iterator().next();
        translated.add(Equality.create(attribute, first));
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      }
    } else if (!expressions.isEmpty()) {
      Expression expression = expressions.iterator().next();
      if (!blankNodeIDs.isEmpty()) {
        BlankNodeID first = blankNodeIDs.iterator().next();
        translated.add(Equality.create(expression, first.toExpression()));
      }
      if (!patterns.isEmpty()) {
        Pattern first = patterns.iterator().next();
        translated.add(Equality.create(expression, first.toExpression()));
        checkUsesColumnFunctions(first);
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        BlankNodeID first = blankNodeIDs.iterator().next();
        translated.add(Equality.create(expression, first.toExpression()));
      }
      if (!patterns.isEmpty()) {
        Pattern first = patterns.iterator().next();
        translated.add(Equality.create(expression, first.toExpression()));
        checkUsesColumnFunctions(first);
      }
    } else if (!patterns.isEmpty() && !blankNodeIDs.isEmpty()) {
      Pattern firstPattern = patterns.iterator().next();
      BlankNodeID firstBNodeID = blankNodeIDs.iterator().next();
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