コード例 #1
0
ファイル: UpdateStatement.java プロジェクト: placrosse/ACaZoo
    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;
    }
コード例 #2
0
ファイル: UpdateStatement.java プロジェクト: placrosse/ACaZoo
  public ColumnFamily updateForKey(
      ByteBuffer key, ColumnNameBuilder builder, UpdateParameters params)
      throws InvalidRequestException {
    CFDefinition cfDef = cfm.getCfDef();
    ColumnFamily cf = UnsortedColumns.factory.create(cfm);

    // Inserting the CQL row marker (see #4361)
    // We always need to insert a marker, because of the following situation:
    //   CREATE TABLE t ( k int PRIMARY KEY, c text );
    //   INSERT INTO t(k, c) VALUES (1, 1)
    //   DELETE c FROM t WHERE k = 1;
    //   SELECT * FROM t;
    // The last query should return one row (but with c == null). Adding
    // the marker with the insert make sure the semantic is correct (while making sure a
    // 'DELETE FROM t WHERE k = 1' does remove the row entirely)
    //
    // We never insert markers for Super CF as this would confuse the thrift side.
    if (cfDef.isComposite && !cfDef.isCompact && !cfm.isSuper()) {
      ByteBuffer name = builder.copy().add(ByteBufferUtil.EMPTY_BYTE_BUFFER).build();
      cf.addColumn(params.makeColumn(name, ByteBufferUtil.EMPTY_BYTE_BUFFER));
    }

    List<Operation> updates = getOperations();

    if (cfDef.isCompact) {
      if (builder.componentCount() == 0)
        throw new InvalidRequestException(
            String.format("Missing PRIMARY KEY part %s", cfDef.columns.values().iterator().next()));

      if (cfDef.value == null) {
        // compact + no compact value implies there is no column outside the PK. So no operation
        // could
        // have passed through validation
        assert updates.isEmpty();
        setToEmptyOperation.execute(key, cf, builder.copy(), params);
      } else {
        // compact means we don't have a row marker, so don't accept to set only the PK. See
        // CASSANDRA-5648.
        if (updates.isEmpty())
          throw new InvalidRequestException(
              String.format("Column %s is mandatory for this COMPACT STORAGE table", cfDef.value));

        for (Operation update : updates) update.execute(key, cf, builder.copy(), params);
      }
    } else {
      for (Operation update : updates) update.execute(key, cf, builder.copy(), params);
    }

    return cf;
  }
コード例 #3
0
ファイル: UpdateStatement.java プロジェクト: placrosse/ACaZoo
    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;
    }