partition_index.h

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   it under the terms of the GNU General Public License, version 2.0,
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef DD__PARTITION_INDEX_INCLUDED
#define DD__PARTITION_INDEX_INCLUDED
 
#include "sql/dd/sdi_fwd.h"            // dd::Sdi_wcontext
#include "sql/dd/types/index.h"        // dd::Index
#include "sql/dd/types/weak_object.h"  // dd::Weak_object
 
namespace dd {
 
///////////////////////////////////////////////////////////////////////////
 
class Index;
class Partition;
class Partition_index_impl;
class Properties;
class Tablespace;
 
namespace tables {
class Index_partitions;
}
 
///////////////////////////////////////////////////////////////////////////
 
class Partition_index : virtual public Weak_object {
 public:
  typedef Partition_index_impl Impl;
  typedef tables::Index_partitions DD_table;
 
 public:
  ~Partition_index() override = default;
 
  /////////////////////////////////////////////////////////////////////////
  // Partition.
  /////////////////////////////////////////////////////////////////////////
 
  virtual const Partition &partition() const = 0;
 
  virtual Partition &partition() = 0;
 
  /////////////////////////////////////////////////////////////////////////
  // Index.
  /////////////////////////////////////////////////////////////////////////
 
  virtual const Index &index() const = 0;
 
  virtual Index &index() = 0;
 
  const String_type &name() const { return index().name(); }
 
  /////////////////////////////////////////////////////////////////////////
  // Options.
  /////////////////////////////////////////////////////////////////////////
 
  virtual const Properties &options() const = 0;
 
  virtual Properties &options() = 0;
  virtual bool set_options(const Properties &options) = 0;
  virtual bool set_options(const String_type &options_raw) = 0;
 
  /////////////////////////////////////////////////////////////////////////
  // se_private_data.
  /////////////////////////////////////////////////////////////////////////
 
  virtual const Properties &se_private_data() const = 0;
 
  virtual Properties &se_private_data() = 0;
  virtual bool set_se_private_data(const String_type &se_private_data_raw) = 0;
 
  virtual bool set_se_private_data(const Properties &se_private_data) = 0;
 
  /////////////////////////////////////////////////////////////////////////
  // Tablespace.
  /////////////////////////////////////////////////////////////////////////
 
  virtual Object_id tablespace_id() const = 0;
  virtual void set_tablespace_id(Object_id tablespace_id) = 0;
 
  /**
    Converts *this into json.
 
    Converts all member variables that are to be included in the sdi
    into json by transforming them appropriately and passing them to
    the rapidjson writer provided.
 
    @param wctx opaque context for data needed by serialization
    @param w rapidjson writer which will perform conversion to json
 
  */
 
  virtual void serialize(Sdi_wcontext *wctx, Sdi_writer *w) const = 0;
 
  /**
    Re-establishes the state of *this by reading sdi information from
    the rapidjson DOM subobject provided.
 
    Cross-references encountered within this object are tracked in
    sdictx, so that they can be updated when the entire object graph
    has been established.
 
    @param rctx stores book-keeping information for the
    deserialization process
    @param val subobject of rapidjson DOM containing json
    representation of this object
  */
 
  virtual bool deserialize(Sdi_rcontext *rctx, const RJ_Value &val) = 0;
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace dd
 
#endif  // DD__PARTITION_INDEX_INCLUDED