DBConnection.cpp File Reference

Implements DBConnection. More...

#include "DBConnection.h"
#include "sqlite3.h"
#include <wx/string.h>
#include "AudacityLogger.h"
#include "BasicUI.h"
#include "FileNames.h"
#include "Internat.h"
#include "Project.h"
#include "FileException.h"
#include "wxFileNameWrapper.h"
#include "SentryHelper.h"
#include "TransactionScope.h"

Include dependency graph for DBConnection.cpp:

Go to the source code of this file.

Classes
struct	DBConnectionTransactionScopeImpl

Macros
#define	AUDACITY_PROJECT_PAGE_SIZE   65536
#define	xstr(a)   str(a)
#define	str(a)   #a

Variables
static const char *	PageSizeConfig
static const char *	SafeConfig
static const char *	FastConfig
static TransactionScope::Factory::Scope	scope
static const AudacityProject::AttachedObjects::RegisteredFactory	sConnectionPtrKey

Detailed Description

Implements DBConnection.

---

Audacity: A Digital Audio Editor

Paul Licameli – split from ProjectFileIO.cpp

Definition in file DBConnection.cpp.

Macro Definition Documentation

AUDACITY_PROJECT_PAGE_SIZE

#define AUDACITY_PROJECT_PAGE_SIZE   65536

Definition at line 27 of file DBConnection.cpp.

str

#define str

(

a

)

#a

Definition at line 30 of file DBConnection.cpp.

xstr

#define xstr

(

a

)

str(a)

Definition at line 29 of file DBConnection.cpp.

Variable Documentation

FastConfig

const char* FastConfig

static

Initial value:

=
   "PRAGMA <schema>.busy_timeout = 5000;"
   "PRAGMA <schema>.locking_mode = SHARED;"
   "PRAGMA <schema>.synchronous = OFF;"
   "PRAGMA <schema>.journal_mode = OFF;"

Definition at line 45 of file DBConnection.cpp.

Referenced by DBConnection::FastMode().

PageSizeConfig

const char* PageSizeConfig

static

Initial value:

=
   "PRAGMA <schema>.page_size = " xstr(AUDACITY_PROJECT_PAGE_SIZE) ";"
   "VACUUM;"

Definition at line 32 of file DBConnection.cpp.

Referenced by DBConnection::SetPageSize().

SafeConfig

const char* SafeConfig

static

Initial value:

=
   "PRAGMA <schema>.busy_timeout = 5000;"
   "PRAGMA <schema>.locking_mode = SHARED;"
   "PRAGMA <schema>.synchronous = NORMAL;"
   "PRAGMA <schema>.journal_mode = WAL;"
   "PRAGMA <schema>.wal_autocheckpoint = 0;"

Definition at line 37 of file DBConnection.cpp.

Referenced by DBConnection::OpenStepByStep(), and DBConnection::SafeMode().

sConnectionPtrKey

const AudacityProject::AttachedObjects::RegisteredFactory sConnectionPtrKey

static

Initial value:

{
   []( AudacityProject & ){
      
      
      
      auto result = std::make_shared< ConnectionPtr >();
      return result;
   }
}

Definition at line 714 of file DBConnection.cpp.

Referenced by ConnectionPtr::Get().

scope

TransactionScope::Factory::Scope scope

static

Initial value:

{
[](AudacityProject &project) -> std::unique_ptr<TransactionScopeImpl> {
   auto &connectionPtr = ConnectionPtr::Get(project);
   if (auto pConnection = connectionPtr.mpConnection.get())
      return
         std::make_unique<DBConnectionTransactionScopeImpl>(*pConnection);
   else
      return nullptr;
} }

Definition at line 614 of file DBConnection.cpp.