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Viewing changes to plugin/schema_engine/schema.h

  • Committer: Monty Taylor
  • Date: 2010-09-16 23:12:30 UTC
  • mto: (1775.1.1 build)
  • mto: This revision was merged to the branch mainline in revision 1773.
  • Revision ID: mordred@inaugust.com-20100916231230-uchkqks21rwzbmpz
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plugin/schema_engine/schema.h
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#include <assert.h>
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#include <drizzled/plugin/storage_engine.h>
 
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#include <drizzled/data_home.h>
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#include <boost/unordered_map.hpp>
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#include <boost/thread/shared_mutex.hpp>
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class Schema : public drizzled::plugin::StorageEngine
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{
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  bool writeSchemaFile(const drizzled::identifier::Schema &schema_identifier, const drizzled::message::Schema &db);
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  bool readSchemaFile(const drizzled::identifier::Schema &schema_identifier, drizzled::message::Schema &schema);
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  bool readSchemaFile(std::string filename, drizzled::message::Schema &schema);
 
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  bool writeSchemaFile(const drizzled::SchemaIdentifier &schema_identifier, const drizzled::message::Schema &db);
 
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  bool readSchemaFile(const std::string &schema_file_name, drizzled::message::Schema &schema);
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  void prime();
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  void startup(drizzled::Session &session);
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  typedef boost::unordered_map<std::string, drizzled::message::schema::shared_ptr> SchemaCache;
 
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  typedef boost::unordered_map<std::string, drizzled::message::Schema> SchemaCache;
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  SchemaCache schema_cache;
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  bool schema_cache_filled;
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  ~Schema();
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  drizzled::Cursor *create(drizzled::Table &)
 
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  bool doCanCreateTable(const drizzled::TableIdentifier &identifier);
 
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  drizzled::Cursor *create(drizzled::TableShare &)
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  {
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    return NULL;
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  }
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  void doGetSchemaIdentifiers(drizzled::identifier::Schema::vector &set_of_names);
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  bool doGetSchemaDefinition(const drizzled::identifier::Schema&, drizzled::message::schema::shared_ptr &proto);
 
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  void doGetSchemaIdentifiers(drizzled::SchemaIdentifiers &set_of_names);
 
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  bool doGetSchemaDefinition(const drizzled::SchemaIdentifier&, drizzled::message::Schema &proto);
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  bool doCreateSchema(const drizzled::message::Schema &schema_message);
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  bool doAlterSchema(const drizzled::message::Schema &schema_message);
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  bool doDropSchema(const drizzled::identifier::Schema&);
 
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  bool doDropSchema(const drizzled::SchemaIdentifier&);
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  // Below are table methods that we don't implement (and don't need)
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  int doGetTableDefinition(drizzled::Session&,
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                           const drizzled::identifier::Table&,
 
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                           const drizzled::TableIdentifier&,
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                           drizzled::message::Table&)
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  {
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    return ENOENT;
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  }
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  bool doDoesTableExist(drizzled::Session&, const drizzled::identifier::Table&)
 
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  void doGetTableNames(drizzled::CachedDirectory&,
 
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                       const drizzled::SchemaIdentifier&,
 
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                       std::set<std::string>&)
 
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  {
 
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  }
 
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  bool doDoesTableExist(drizzled::Session&, const drizzled::TableIdentifier&)
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  {
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    return false;
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  }
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  int doRenameTable(drizzled::Session&, const drizzled::identifier::Table&, const drizzled::identifier::Table&)
 
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  int doRenameTable(drizzled::Session&, const drizzled::TableIdentifier&, const drizzled::TableIdentifier&)
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  {
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    return drizzled::HA_ERR_NO_SUCH_TABLE;
 
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    return EPERM;
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  }
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  int doCreateTable(drizzled::Session&,
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                    drizzled::Table&,
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                    const drizzled::identifier::Table&,
 
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                    const drizzled::TableIdentifier&,
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                    drizzled::message::Table&)
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  {
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    return drizzled::ER_TABLE_PERMISSION_DENIED;
 
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    return EPERM;
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  }
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  int doDropTable(drizzled::Session&, const drizzled::identifier::Table&)
 
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  int doDropTable(drizzled::Session&, const drizzled::TableIdentifier&)
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  {
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    return drizzled::HA_ERR_NO_SUCH_TABLE;
 
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    return 0;
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  }
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  const char **bas_ext() const 
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                          uint64_t *,
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                          uint64_t *)
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  {}
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  void doGetTableIdentifiers(drizzled::CachedDirectory &directory,
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                             const drizzled::identifier::Schema &schema_identifier,
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                             drizzled::identifier::Table::vector &set_of_identifiers);
 
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                             const drizzled::SchemaIdentifier &schema_identifier,
 
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                             drizzled::TableIdentifiers &set_of_identifiers);
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};
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#endif /* PLUGIN_SCHEMA_ENGINE_SCHEMA_H */