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Switched the SQLite module to use C++ exceptions to fix the Sqrat issues and gain significantly more performance.

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Also fixed various other issues in the SQLite module.
This commit is contained in:
Sandu Liviu Catalin
2016-02-27 17:53:12 +02:00
parent 8340a5dbc4
commit 331b03028c
10 changed files with 582 additions and 832 deletions
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151
modules/sqlite/Connection.hpp
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@ -23,7 +23,7 @@ protected:
/* --------------------------------------------------------------------------------------------
* Validate the document reference and throw an error if invalid.
*/
bool Validate() const;
void Validate() const;
private:
@ -138,10 +138,9 @@ public:
CSStr ToString() const
{
// Validate the handle
if (Validate())
return m_Handle->mName.c_str();
// Request failed
return _SC("");
Validate();
// Return the requested information
return m_Handle->mName.c_str();
}
/* --------------------------------------------------------------------------------------------
@ -187,10 +186,9 @@ public:
Int32 GetStatus() const
{
// Validate the handle
if (Validate())
return m_Handle->mStatus;
// Request failed
return -1;
Validate();
// Return the requested information
return m_Handle->mStatus;
}
/* --------------------------------------------------------------------------------------------
@ -199,10 +197,9 @@ public:
Int32 GetFlags() const
{
// Validate the handle
if (Validate())
return m_Handle->mFlags;
// Request failed
return 0;
Validate();
// Return the requested information
return m_Handle->mFlags;
}
/* --------------------------------------------------------------------------------------------
@ -211,10 +208,9 @@ public:
CSStr GetName() const
{
// Validate the handle
if (Validate())
return m_Handle->mName.c_str();
// Request failed
return _SC("");
Validate();
// Return the requested information
return m_Handle->mName.c_str();
}
/* --------------------------------------------------------------------------------------------
@ -223,10 +219,9 @@ public:
CSStr GetVFS() const
{
// Validate the handle
if (Validate())
return m_Handle->mVFS.c_str();
// Request failed
return _SC("");
Validate();
// Return the requested information
return m_Handle->mVFS.c_str();
}
/* --------------------------------------------------------------------------------------------
@ -234,9 +229,10 @@ public:
*/
Int32 GetErrorCode() const
{
if (Validate())
return m_Handle.ErrNo();
return -1;
// Validate the handle
Validate();
// Return the requested information
return m_Handle.ErrNo();
}
/* --------------------------------------------------------------------------------------------
@ -244,9 +240,10 @@ public:
*/
Int32 GetExtendedErrorCode() const
{
if (Validate())
return m_Handle.ExErrNo();
return -1;
// Validate the handle
Validate();
// Return the requested information
return m_Handle.ExErrNo();
}
/* --------------------------------------------------------------------------------------------
@ -254,9 +251,10 @@ public:
*/
CSStr GetErrStr() const
{
if (Validate())
return m_Handle.ErrStr();
return _SC("");
// Validate the handle
Validate();
// Return the requested information
return m_Handle.ErrStr();
}
/* --------------------------------------------------------------------------------------------
@ -264,9 +262,10 @@ public:
*/
CSStr GetErrMsg() const
{
if (Validate())
return m_Handle.ErrMsg();
return _SC("");
// Validate the handle
Validate();
// Return the requested information
return m_Handle.ErrMsg();
}
/* --------------------------------------------------------------------------------------------
@ -326,11 +325,10 @@ public:
*/
bool GetAutoCommit() const
{
// Request failed
if (Validate())
return sqlite3_get_autocommit(m_Handle);
// Request failed
return false;
// Validate the handle
Validate();
// Return the requested information
return sqlite3_get_autocommit(m_Handle);
}
/* --------------------------------------------------------------------------------------------
@ -345,10 +343,9 @@ public:
Int32 GetChanges() const
{
// Validate the handle
if (Validate())
return sqlite3_changes(m_Handle);
// Request failed
return -1;
Validate();
// Return the requested information
return sqlite3_changes(m_Handle);
}
/* --------------------------------------------------------------------------------------------
@ -358,10 +355,9 @@ public:
Int32 GetTotalChanges() const
{
// Validate the handle
if (Validate())
return sqlite3_total_changes(m_Handle);
// Request failed
return -1;
Validate();
// Return the requested information
return sqlite3_total_changes(m_Handle);
}
/* --------------------------------------------------------------------------------------------
@ -370,10 +366,9 @@ public:
bool GetTracing() const
{
// Validate the handle
if (Validate())
return m_Handle->mTrace;
// Request failed
return false;
Validate();
// Return the requested information
return m_Handle->mTrace;
}
/* --------------------------------------------------------------------------------------------
@ -381,8 +376,10 @@ public:
*/
void SetTracing(bool toggle)
{
// Validate the handle and check whether changes are necessary
if (!Validate() || m_Handle->mTrace == toggle)
// Validate the handle
Validate();
// Check whether changes are necessary
if (m_Handle->mTrace == toggle)
return; /* No point in proceeding */
// Do we have to disable it?
else if (m_Handle->mTrace)
@ -398,10 +395,9 @@ public:
bool GetProfiling() const
{
// Validate the handle
if (Validate())
return m_Handle->mProfile;
// Request failed
return false;
Validate();
// Return the requested information
return m_Handle->mProfile;
}
/* --------------------------------------------------------------------------------------------
@ -409,8 +405,10 @@ public:
*/
void SetProfiling(bool toggle)
{
// Validate the handle and check whether changes are necessary
if (!Validate() || m_Handle->mProfile == toggle)
// Validate the handle
Validate();
// Check whether changes are necessary
if (m_Handle->mProfile == toggle)
return; /* No point in proceeding */
// Do we have to disable it?
else if (m_Handle->mProfile)
@ -431,8 +429,9 @@ public:
void InterruptOperation() const
{
// Validate the handle
if (Validate())
sqlite3_interrupt(m_Handle);
Validate();
// Perform the requested action
sqlite3_interrupt(m_Handle);
}
/* --------------------------------------------------------------------------------------------
@ -441,8 +440,9 @@ public:
void ReleaseMemory() const
{
// Validate the handle
if (Validate())
sqlite3_db_release_memory(m_Handle);
Validate();
// Perform the requested action
sqlite3_db_release_memory(m_Handle);
}
/* --------------------------------------------------------------------------------------------
@ -453,7 +453,7 @@ public:
/* --------------------------------------------------------------------------------------------
* Takes a snapshot of a database which is located in memory and saves it to a database file.
*/
void CopyToDatabase(Connection & db);
void CopyToDatabase(const Connection & db);
/* --------------------------------------------------------------------------------------------
* Returns internal runtime status information associated with the current database connection.
@ -482,10 +482,9 @@ public:
Uint32 QueueSize() const
{
// Validate the handle
if (Validate())
return (Uint32)m_Handle->mQueue.size();
// Request failed
return 0;
Validate();
// Return the requested information
return (Uint32)m_Handle->mQueue.size();
}
/* --------------------------------------------------------------------------------------------
@ -494,8 +493,9 @@ public:
void ClearQueue() const
{
// Validate the handle
if (Validate())
m_Handle->mQueue.clear();
Validate();
// Return the requested information
m_Handle->mQueue.clear();
}
/* --------------------------------------------------------------------------------------------
@ -504,7 +504,9 @@ public:
void PopQueue() const
{
// Validate the handle
if (Validate() && !m_Handle->mQueue.empty())
Validate();
// Perform the requested action
if (!m_Handle->mQueue.empty())
m_Handle->mQueue.pop_back();
}
@ -514,10 +516,9 @@ public:
Int32 Flush()
{
// Validate the handle
if (Validate())
return Flush(m_Handle->mQueue.size());
// Request failed
return 0;
Validate();
// Return the requested information
return Flush(m_Handle->mQueue.size());
}
/* --------------------------------------------------------------------------------------------
@ -570,7 +571,7 @@ protected:
/* --------------------------------------------------------------------------------------------
* Takes and saves a snapshot of the memory database in a file.
*/
void TakeSnapshot(ConnHnd & destination);
void TakeSnapshot(const ConnHnd & destination);
};
} // Namespace:: SqMod