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Untested revised implementation of the SQLite module.

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This commit is contained in:
Sandu Liviu Catalin
2016-06-15 23:49:25 +03:00
parent 166760fd46
commit 8087d0482f
17 changed files with 2235 additions and 2300 deletions
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modules/sqlite/Transaction.cpp
+42 -10
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@@ -5,6 +5,14 @@
// ------------------------------------------------------------------------------------------------
namespace SqMod {
// ------------------------------------------------------------------------------------------------
SQInteger Transaction::Typename(HSQUIRRELVM vm)
{
static const SQChar name[] = _SC("SqSQLiteTransaction");
sq_pushstring(vm, name, sizeof(name));
return 1;
}
// ------------------------------------------------------------------------------------------------
Transaction::Transaction(const Connection & db)
: Transaction(db.GetHandle())
@@ -13,18 +21,20 @@ Transaction::Transaction(const Connection & db)
}
// ------------------------------------------------------------------------------------------------
Transaction::Transaction(const ConnHnd & db)
: m_Connection(db), m_Committed(false)
Transaction::Transaction(const ConnRef & db)
: m_Handle(db), m_Committed(false)
{
// Was the specified database connection valid?
if (!m_Connection)
if (!m_Handle)
{
STHROWF("Invalid connection handle");
}
// Attempt to begin transaction
else if ((m_Connection = sqlite3_exec(m_Connection, "BEGIN", nullptr, nullptr, nullptr)) != SQLITE_OK)
m_Handle->mStatus = sqlite3_exec(m_Handle->mPtr, "BEGIN", nullptr, nullptr, nullptr);
// Validate the result
if (m_Handle->mStatus != SQLITE_OK)
{
STHROWF("Unable to begin transaction [%s]", m_Connection.ErrMsg());
STHROWF("Unable to begin transaction [%s]", m_Handle->ErrMsg());
}
}
@@ -37,9 +47,11 @@ Transaction::~Transaction()
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)
m_Handle->mStatus = sqlite3_exec(m_Handle->mPtr, "ROLLBACK", nullptr, nullptr, nullptr);
// Validate the result
if (m_Handle->mStatus != SQLITE_OK)
{
STHROWF("Unable to rollback transaction [%s]", m_Connection.ErrMsg());
STHROWF("Unable to rollback transaction [%s]", m_Handle->ErrMsg());
}
}
@@ -47,7 +59,7 @@ Transaction::~Transaction()
bool Transaction::Commit()
{
// We shouldn't even be here if there wasn't a valid connection but let's be sure
if (!m_Connection)
if (!m_Handle)
{
STHROWF("Invalid database connection");
}
@@ -57,9 +69,11 @@ bool Transaction::Commit()
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)
m_Handle->mStatus = sqlite3_exec(m_Handle->mPtr, "COMMIT", nullptr, nullptr, nullptr);
// Validate the result
if (m_Handle->mStatus != SQLITE_OK)
{
STHROWF("Unable to commit transaction [%s]", m_Connection.ErrMsg());
STHROWF("Unable to commit transaction [%s]", m_Handle->ErrMsg());
}
else
{
@@ -69,4 +83,22 @@ bool Transaction::Commit()
return m_Committed;
}
// ================================================================================================
void Register_Transaction(Table & sqlns)
{
sqlns.Bind(_SC("Transaction"),
Class< Transaction, NoCopy< Transaction > >(sqlns.GetVM(), _SC("SqSQLiteTransaction"))
// Constructors
.Ctor< const Connection & >()
// Meta-methods
.SquirrelFunc(_SC("_typename"), &Transaction::Typename)
.Func(_SC("_tostring"), &Transaction::ToString)
// Properties
.Prop(_SC("IsValid"), &Transaction::IsValid)
.Prop(_SC("Committed"), &Transaction::Commited)
// Member Methods
.Func(_SC("Commit"), &Transaction::Commit)
);
}
} // Namespace:: SqMod