mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-14 11:47:15 +01:00
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
#include "Transaction.hpp"
|
||
|
|
#include "Connection.hpp"
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
namespace SqMod {
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Transaction::Transaction(const Connection & db)
|
||
|
|
: Transaction(db.GetHandle())
|
||
|
|
{
|
||
|
|
/* ... */
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Transaction::Transaction(const ConnHnd & db)
|
||
|
|
: m_Connection(db), m_Committed(false)
|
||
|
|
{
|
||
|
|
// Was the specified database connection valid?
|
||
|
|
if (!m_Connection)
|
||
|
|
{
|
||
|
|
STHROWF("Invalid connection handle");
|
||
|
|
}
|
||
|
|
// Attempt to begin transaction
|
||
|
|
else if ((m_Connection = sqlite3_exec(m_Connection, "BEGIN", nullptr, nullptr, nullptr)) != SQLITE_OK)
|
||
|
|
{
|
||
|
|
STHROWF("Unable to begin transaction [%s]", m_Connection.ErrMsg());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
Transaction::~Transaction()
|
||
|
|
{
|
||
|
|
// Was this transaction successfully committed?
|
||
|
|
if (m_Committed)
|
||
|
|
{
|
||
|
|
return; // We're done here!
|
||
|
|
}
|
||
|
|
// Attempt to roll back changes because this failed to commit
|
||
|
|
if ((m_Connection = sqlite3_exec(m_Connection, "ROLLBACK", nullptr, nullptr, nullptr)) != SQLITE_OK)
|
||
|
|
{
|
||
|
|
STHROWF("Unable to rollback transaction [%s]", m_Connection.ErrMsg());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------------------------
|
||
|
|
bool Transaction::Commit()
|
||
|
|
{
|
||
|
|
// We shouldn't even be here if there wasn't a valid connection but let's be sure
|
||
|
|
if (!m_Connection)
|
||
|
|
{
|
||
|
|
STHROWF("Invalid database connection");
|
||
|
|
}
|
||
|
|
// Was this transaction already committed?
|
||
|
|
else if (m_Committed)
|
||
|
|
{
|
||
|
|
STHROWF("Transaction was already committed");
|
||
|
|
}
|
||
|
|
// Attempt to commit the change during this transaction
|
||
|
|
else if ((m_Connection = sqlite3_exec(m_Connection, "COMMIT", nullptr, nullptr, nullptr)) != SQLITE_OK)
|
||
|
|
{
|
||
|
|
STHROWF("Unable to commit transaction [%s]", m_Connection.ErrMsg());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_Committed = true; // Everything was committed successfully
|
||
|
|
}
|
||
|
|
// Return the result
|
||
|
|
return m_Committed;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // Namespace:: SqMod
|