示例#1
0
    protected ModificationStatement prepareInternal(
        CFDefinition cfDef, VariableSpecifications boundNames, Attributes attrs)
        throws InvalidRequestException {
      UpdateStatement stmt = new UpdateStatement(boundNames.size(), cfDef.cfm, attrs);

      for (Pair<ColumnIdentifier, Operation.RawUpdate> entry : updates) {
        CFDefinition.Name name = cfDef.get(entry.left);
        if (name == null)
          throw new InvalidRequestException(String.format("Unknown identifier %s", entry.left));

        Operation operation = entry.right.prepare(name);
        operation.collectMarkerSpecification(boundNames);

        switch (name.kind) {
          case KEY_ALIAS:
          case COLUMN_ALIAS:
            throw new InvalidRequestException(
                String.format("PRIMARY KEY part %s found in SET part", entry.left));
          case VALUE_ALIAS:
          case COLUMN_METADATA:
            stmt.addOperation(operation);
            break;
        }
      }

      stmt.processWhereClause(whereClause, boundNames);
      return stmt;
    }
示例#2
0
    protected ModificationStatement prepareInternal(
        CFDefinition cfDef, VariableSpecifications boundNames, Attributes attrs)
        throws InvalidRequestException {
      UpdateStatement stmt = new UpdateStatement(boundNames.size(), cfDef.cfm, attrs);

      // Created from an INSERT
      if (stmt.isCounter())
        throw new InvalidRequestException(
            "INSERT statement are not allowed on counter tables, use UPDATE instead");
      if (columnNames.size() != columnValues.size())
        throw new InvalidRequestException("Unmatched column names/values");
      if (columnNames.isEmpty()) throw new InvalidRequestException("No columns provided to INSERT");

      for (int i = 0; i < columnNames.size(); i++) {
        CFDefinition.Name name = cfDef.get(columnNames.get(i));
        if (name == null)
          throw new InvalidRequestException(
              String.format("Unknown identifier %s", columnNames.get(i)));

        for (int j = 0; j < i; j++)
          if (name.name.equals(columnNames.get(j)))
            throw new InvalidRequestException(
                String.format("Multiple definitions found for column %s", name));

        Term.Raw value = columnValues.get(i);

        switch (name.kind) {
          case KEY_ALIAS:
          case COLUMN_ALIAS:
            Term t = value.prepare(name);
            t.collectMarkerSpecification(boundNames);
            stmt.addKeyValue(name.name, t);
            break;
          case VALUE_ALIAS:
          case COLUMN_METADATA:
            Operation operation = new Operation.SetValue(value).prepare(name);
            operation.collectMarkerSpecification(boundNames);
            stmt.addOperation(operation);
            break;
        }
      }
      return stmt;
    }