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#include "pqxx/dbtransaction"
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namespace pqxx
00027 {
00028
00029 class PQXX_LIBEXPORT basic_robusttransaction :
public dbtransaction
00030 {
00031
public:
00033 typedef isolation_traits<read_committed> isolation_tag;
00034
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virtual ~basic_robusttransaction() =0;
00036
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protected:
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explicit basic_robusttransaction(
connection_base &C,
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const PGSTD::string &IsolationLevel,
00046
const PGSTD::string &Name);
00047
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private:
00049
typedef unsigned long IDType;
00050 IDType m_ID;
00051 PGSTD::string m_LogTable;
00052
00053
virtual void do_begin();
00054
virtual void do_commit();
00055
virtual void do_abort();
00056
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void CreateLogTable();
00058
void CreateTransactionRecord();
00059
void DeleteTransactionRecord(IDType ID)
throw ();
00060
bool CheckTransactionRecord(IDType ID);
00061 };
00062
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00066
00133
template<isolation_level ISOLATIONLEVEL=read_committed>
00134 class robusttransaction :
public basic_robusttransaction
00135 {
00136
public:
00137 typedef isolation_traits<ISOLATIONLEVEL> isolation_tag;
00138
00139 explicit robusttransaction(
connection_base &C,
00140
const PGSTD::string &TName=PGSTD::string()) :
00141 basic_robusttransaction(C,
isolation_tag::name(), TName)
00142 {
Begin(); }
00143
00144 virtual ~robusttransaction() throw () {
End(); }
00145 };
00146
00147 }
00148
00149