}
public RowMutation mutationForKey(CFDefinition cfDef, ClientState clientState, ByteBuffer key, ColumnNameBuilder builder, List<ByteBuffer> variables)
throws InvalidRequestException
{
RowMutation rm = new RowMutation(cfDef.cfm.ksName, key);
if (columns.isEmpty() && builder.componentCount() == 0)
{
// No columns, delete the row
rm.delete(new QueryPath(columnFamily()), getTimestamp(clientState));
}
else
{
for (ColumnIdentifier column : columns)
{
CFDefinition.Name name = cfDef.get(column);
if (name == null)
throw new InvalidRequestException(String.format("Unknown identifier %s", column));
// For compact, we only have one value except the key, so the only form of DELETE that make sense is without a column
// list. However, we support having the value name for coherence with the static/sparse case
if (name.kind != CFDefinition.Name.Kind.COLUMN_METADATA && name.kind != CFDefinition.Name.Kind.VALUE_ALIAS)
throw new InvalidRequestException(String.format("Invalid identifier %s for deletion (should not be a PRIMARY KEY part)", column));
}
if (cfDef.isCompact)
{
ByteBuffer columnName = builder.build();
QueryProcessor.validateColumnName(columnName);
rm.delete(new QueryPath(columnFamily(), null, columnName), getTimestamp(clientState));
}
else
{
// Delete specific columns
Iterator<ColumnIdentifier> iter = columns.iterator();
while (iter.hasNext())
{
ColumnIdentifier column = iter.next();
ColumnNameBuilder b = iter.hasNext() ? builder.copy() : builder;
ByteBuffer columnName = b.add(column.key).build();
QueryProcessor.validateColumnName(columnName);
rm.delete(new QueryPath(columnFamily(), null, columnName), getTimestamp(clientState));
}
}
}
return rm;