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00019 #include <string>
00020
00021 #include "pqxx/transaction_base"
00022
00023 namespace pqxx
00024 {
00025
00027
00054 class PQXX_LIBEXPORT dbtransaction : public transaction_base
00055 {
00056 protected:
00057 explicit dbtransaction(connection_base &C,
00058 const PGSTD::string &IsolationString,
00059 const PGSTD::string &NName) :
00060 transaction_base(C, NName),
00061 m_StartCmd("START TRANSACTION ISOLATION LEVEL " + IsolationString)
00062 {}
00063
00064 #ifdef PQXX_DEPRECATED_HEADERS
00065
00066 const PGSTD::string &StartCmd() const { return startcommand(); }
00067 #endif
00068
00070 const PGSTD::string &startcommand() const { return m_StartCmd; }
00071
00072 private:
00073
00075 virtual void do_begin() =0;
00077 virtual result do_exec(const char Query[]) =0;
00079 virtual void do_commit() =0;
00081 virtual void do_abort() =0;
00082
00084 PGSTD::string m_StartCmd;
00085 };
00086
00088 template<> inline PGSTD::string Classname(const dbtransaction *)
00089 {
00090 return "dbtransaction";
00091 }
00092
00093 }
00094