Examples of CqlRow


Examples of org.apache.cassandra.thrift.CqlRow

                Column col = new Column(ByteBufferUtil.bytes(metadata.names.get(i).toString()));
                col.setValue(row.get(i));
                thriftCols.add(col);
            }
            // The key of CqlRow shoudn't be needed in CQL3
            cqlRows.add(new CqlRow(ByteBufferUtil.EMPTY_BYTE_BUFFER, thriftCols));
        }
        CqlResult res = new CqlResult(CqlResultType.ROWS);
        res.setRows(cqlRows).setSchema(schema);
        return res;
    }
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Examples of org.apache.cassandra.thrift.CqlRow

            result.schema = new CqlMetadata(Collections.<ByteBuffer, String>emptyMap(),
                                            Collections.<ByteBuffer, String>emptyMap(),
                                            "AsciiType",
                                            "LongType");
            List<Column> columns = Collections.singletonList(new Column(countColumn).setValue(ByteBufferUtil.bytes((long) rows.size())));
            result.rows = Collections.singletonList(new CqlRow(countColumn, columns));
            return result;
        }
        else
        {
            // otherwise create resultset from query results
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Examples of org.apache.cassandra.thrift.CqlRow

                                // This should not happen for compact CF
                                throw new AssertionError();
                        }
                        thriftColumns.add(col);
                    }
                    cqlRows.add(new CqlRow(row.key.key, thriftColumns));
                }
            }
            else if (cfDef.isComposite)
            {
                // Sparse case: group column in cqlRow when composite prefix is equal
                if (row.cf == null)
                    continue;

                CompositeType composite = (CompositeType)cfDef.cfm.comparator;
                int last = composite.types.size() - 1;

                ByteBuffer[] previous = null;
                Map<ByteBuffer, IColumn> group = new HashMap<ByteBuffer, IColumn>();
                for (IColumn c : row.cf)
                {
                    if (c.isMarkedForDelete())
                        continue;

                    ByteBuffer[] current = composite.split(c.name());
                    // If current differs from previous, we've just finished a group
                    if (previous != null && !isSameRow(previous, current))
                    {
                        cqlRows.add(handleGroup(selection, row.key.key, previous, group, schema));
                        group = new HashMap<ByteBuffer, IColumn>();
                    }

                    // Accumulate the current column
                    group.put(current[last], c);
                    previous = current;
                }
                // Handle the last group
                if (previous != null)
                    cqlRows.add(handleGroup(selection, row.key.key, previous, group, schema));
            }
            else
            {
                // Static case: One cqlRow for all columns
                thriftColumns = new ArrayList<Column>();
                // Respect selection order
                for (Pair<CFDefinition.Name, ColumnIdentifier> p : selection)
                {
                    CFDefinition.Name name = p.left;
                    ByteBuffer nameAsRequested = p.right.key;

                    if (name.kind == CFDefinition.Name.Kind.KEY_ALIAS)
                    {
                        addToSchema(schema, p);
                        thriftColumns.add(new Column(nameAsRequested).setValue(row.key.key).setTimestamp(-1L));
                        continue;
                    }

                    if (row.cf == null)
                        continue;

                    addToSchema(schema, p);
                    IColumn c = row.cf.getColumn(name.name.key);
                    Column col = new Column(name.name.key);
                    if (c != null && !c.isMarkedForDelete())
                        col.setValue(value(c)).setTimestamp(c.timestamp());
                    thriftColumns.add(col);
                }
                cqlRows.add(new CqlRow(row.key.key, thriftColumns));
            }
        }
        // We don't allow reversed on range scan, but we do on multiget (IN (...)), so let's reverse the rows there too.
        if (parameters.isColumnsReversed)
            Collections.reverse(cqlRows);
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Examples of org.apache.cassandra.thrift.CqlRow

                        col.setValue(value(c)).setTimestamp(c.timestamp());
                    break;
            }
            thriftColumns.add(col);
        }
        return new CqlRow(key, thriftColumns);
    }
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Examples of org.apache.cassandra.thrift.CqlRow

                Column col = new Column(ByteBufferUtil.bytes(metadata.names.get(i).toString()));
                col.setValue(row.get(i));
                thriftCols.add(col);
            }
            // The key of CqlRow shoudn't be needed in CQL3
            cqlRows.add(new CqlRow(ByteBufferUtil.EMPTY_BYTE_BUFFER, thriftCols));
        }
        CqlResult res = new CqlResult(CqlResultType.ROWS);
        res.setRows(cqlRows).setSchema(schema);
        return res;
    }
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Examples of org.apache.cassandra.thrift.CqlRow

            values.clear();
            valueMap.clear();
        }
        if (rSetIter != null && rSetIter.hasNext())
        {
            CqlRow row = rSetIter.next();
            rowNumber++;
            curRowKey = row.getKey();
            List<Column> cols = row.getColumns();
            for (Column col : cols)
            {

                TypedColumn c = decoder.makeCol(keyspace, columnFamily, col);
                values.add(c);
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Examples of org.apache.cassandra.thrift.CqlRow

                public ByteBuffer[][] apply(CqlResult result)
                {
                    ByteBuffer[][] r = new ByteBuffer[result.getRows().size()][];
                    for (int i = 0 ; i < r.length ; i++)
                    {
                        CqlRow row = result.getRows().get(i);
                        r[i] = new ByteBuffer[row.getColumns().size()];
                        for (int j = 0 ; j < r[i].length ; j++)
                            r[i][j] = ByteBuffer.wrap(row.getColumns().get(j).getValue());
                    }
                    return r;
                }
            };
        }
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Examples of org.apache.cassandra.thrift.CqlRow

                Column col = new Column(ByteBufferUtil.bytes(metadata.names.get(i).name.toString()));
                col.setValue(row.get(i));
                thriftCols.add(col);
            }
            // The key of CqlRow shoudn't be needed in CQL3
            cqlRows.add(new CqlRow(ByteBufferUtil.EMPTY_BYTE_BUFFER, thriftCols));
        }
        CqlResult res = new CqlResult(CqlResultType.ROWS);
        res.setRows(cqlRows).setSchema(schema);
        return res;
    }
View Full Code Here

Examples of org.apache.cassandra.thrift.CqlRow

            result.schema = new CqlMetadata(Collections.<ByteBuffer, String>emptyMap(),
                                            Collections.<ByteBuffer, String>emptyMap(),
                                            "AsciiType",
                                            "LongType");
            List<Column> columns = Collections.singletonList(new Column(countColumn).setValue(ByteBufferUtil.bytes((long) rows.size())));
            result.rows = Collections.singletonList(new CqlRow(countColumn, columns));
            return result;
        }
        else
        {
            // otherwise create resultset from query results
View Full Code Here

Examples of org.apache.cassandra.thrift.CqlRow

                                // This should not happen for compact CF
                                throw new AssertionError();
                        }
                        thriftColumns.add(col);
                    }
                    cqlRows.add(new CqlRow(row.key.key, thriftColumns));
                }
            }
            else if (cfDef.isComposite)
            {
                // Sparse case: group column in cqlRow when composite prefix is equal
                if (row.cf == null)
                    continue;

                CompositeType composite = (CompositeType)cfDef.cfm.comparator;
                int last = composite.types.size() - 1;

                ByteBuffer[] previous = null;
                Map<ByteBuffer, IColumn> group = new HashMap<ByteBuffer, IColumn>();
                for (IColumn c : row.cf)
                {
                    if (c.isMarkedForDelete())
                        continue;

                    ByteBuffer[] current = composite.split(c.name());
                    // If current differs from previous, we've just finished a group
                    if (previous != null && !isSameRow(previous, current))
                    {
                        cqlRows.add(handleGroup(selection, row.key.key, previous, group, schema));
                        group = new HashMap<ByteBuffer, IColumn>();
                    }

                    // Accumulate the current column
                    group.put(current[last], c);
                    previous = current;
                }
                // Handle the last group
                if (previous != null)
                    cqlRows.add(handleGroup(selection, row.key.key, previous, group, schema));
            }
            else
            {
                // Static case: One cqlRow for all columns
                thriftColumns = new ArrayList<Column>();
                // Respect selection order
                for (Pair<CFDefinition.Name, ColumnIdentifier> p : selection)
                {
                    CFDefinition.Name name = p.left;
                    ByteBuffer nameAsRequested = p.right.key;

                    if (name.kind == CFDefinition.Name.Kind.KEY_ALIAS)
                    {
                        addToSchema(schema, p);
                        thriftColumns.add(new Column(nameAsRequested).setValue(row.key.key).setTimestamp(-1L));
                        continue;
                    }

                    if (row.cf == null)
                        continue;

                    addToSchema(schema, p);
                    IColumn c = row.cf.getColumn(name.name.key);
                    Column col = new Column(name.name.key);
                    if (c != null && !c.isMarkedForDelete())
                        col.setValue(value(c)).setTimestamp(c.timestamp());
                    thriftColumns.add(col);
                }
                cqlRows.add(new CqlRow(row.key.key, thriftColumns));
            }
        }
        // We don't allow reversed on range scan, but we do on multiget (IN (...)), so let's reverse the rows there too.
        if (parameters.isColumnsReversed)
            Collections.reverse(cqlRows);
View Full Code Here
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