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Sqlite: Improve Sqlite wrapper

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It is now possible to read values at once.

for (auto [name, value] : statement.tupleValues<String, int>(1000, "foo", 20))
   ....

Change-Id: I3d4bc5218810b4620e1df625126aa490f30bbc71
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Marco Bubke
2017-08-17 15:33:25 +02:00
parent 8617f497bc
commit 1a25b61576
24 changed files with 769 additions and 277 deletions
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53
src/libs/sqlite/sqlitetransaction.h
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@@ -32,43 +32,66 @@ namespace Sqlite {
class SqliteDatabaseBackend;
class SqliteDatabase;
class SQLITE_EXPORT SqliteAbstractTransaction
template <typename Database>
class SqliteAbstractTransaction
{
public:
virtual ~SqliteAbstractTransaction();
virtual ~SqliteAbstractTransaction()
{
if (!m_isAlreadyCommited)
m_database.execute("ROLLBACK");
}
void commit();
void commit()
{
m_database.execute("COMMIT");
m_isAlreadyCommited = true;
}
protected:
SqliteAbstractTransaction(SqliteDatabaseBackend &backend);
SqliteAbstractTransaction(SqliteDatabase &database);
protected:
SqliteDatabaseBackend &m_databaseBackend;
SqliteAbstractTransaction(Database &database)
: m_database(database)
{
}
private:
Database &m_database;
bool m_isAlreadyCommited = false;
};
class SQLITE_EXPORT SqliteTransaction final : public SqliteAbstractTransaction
template <typename Database>
class SqliteTransaction final : public SqliteAbstractTransaction<Database>
{
public:
SqliteTransaction(SqliteDatabase &database);
SqliteTransaction(Database &database)
: SqliteAbstractTransaction<Database>(database)
{
database.execute("BEGIN");
}
};
class SQLITE_EXPORT SqliteImmediateTransaction final : public SqliteAbstractTransaction
template <typename Database>
class SqliteImmediateTransaction final : public SqliteAbstractTransaction<Database>
{
public:
SqliteImmediateTransaction(SqliteDatabase &database);
SqliteImmediateTransaction(Database &database)
: SqliteAbstractTransaction<Database>(database)
{
database.execute("BEGIN IMMEDIATE");
}
};
class SQLITE_EXPORT SqliteExclusiveTransaction final : public SqliteAbstractTransaction
template <typename Database>
class SqliteExclusiveTransaction final : public SqliteAbstractTransaction<Database>
{
public:
SqliteExclusiveTransaction(SqliteDatabase &database);
SqliteExclusiveTransaction(Database &database)
: SqliteAbstractTransaction<Database>(database)
{
database.execute("BEGIN EXCLUSIVE");
}
};