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[SF 2580108] Improve transaction handling

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This commit is contained in:
Aleksandar Fabijanic
2009-02-08 23:14:54 +00:00
parent ad543acb58
commit d11f007d23
41 changed files with 3484 additions and 2142 deletions
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71
Data/MySQL/src/StatementExecutor.cpp
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@@ -46,12 +46,8 @@ namespace MySQL {
StatementExecutor::StatementExecutor(MYSQL* mysql)
{
h = mysql_stmt_init(mysql);
if (!h)
{
if (!(_pHandle = mysql_stmt_init(mysql)))
throw StatementException("mysql_stmt_init error");
}
_state = STMT_INITED;
}
@@ -59,7 +55,7 @@ StatementExecutor::StatementExecutor(MYSQL* mysql)
StatementExecutor::~StatementExecutor()
{
mysql_stmt_close(h);
mysql_stmt_close(_pHandle);
}
@@ -75,16 +71,10 @@ void StatementExecutor::prepare(const std::string& query)
{
_state = STMT_COMPILED;
return;
//throw StatementException("Satement is already compiled");
}
// compile
int res = mysql_stmt_prepare(h, query.c_str(), static_cast<unsigned int>(query.length()));
if (res != 0)
{
throw StatementException("mysql_stmt_prepare error", h, query);
}
if (mysql_stmt_prepare(_pHandle, query.c_str(), static_cast<unsigned int>(query.length())) != 0)
throw StatementException("mysql_stmt_prepare error", _pHandle, query);
_query = query;
_state = STMT_COMPILED;
@@ -94,58 +84,35 @@ void StatementExecutor::prepare(const std::string& query)
void StatementExecutor::bindParams(MYSQL_BIND* params, size_t count)
{
if (_state < STMT_COMPILED)
{
throw StatementException("Satement is not compiled yet");
}
if (count != mysql_stmt_param_count(h))
{
if (count != mysql_stmt_param_count(_pHandle))
throw StatementException("wrong bind parameters count", 0, _query);
}
if (count == 0)
{
return;
}
if (count == 0) return;
int res = mysql_stmt_bind_param(h, params);
if (res != 0)
{
throw StatementException("mysql_stmt_bind_param() error ", h, _query);
}
if (mysql_stmt_bind_param(_pHandle, params) != 0)
throw StatementException("mysql_stmt_bind_param() error ", _pHandle, _query);
}
void StatementExecutor::bindResult(MYSQL_BIND* result)
{
if (_state < STMT_COMPILED)
{
throw StatementException("Satement is not compiled yet");
}
int res = mysql_stmt_bind_result(h, result);
if (res != 0)
{
throw StatementException("mysql_stmt_bind_result error ", h, _query);
}
if (mysql_stmt_bind_result(_pHandle, result) != 0)
throw StatementException("mysql_stmt_bind_result error ", _pHandle, _query);
}
void StatementExecutor::execute()
{
if (_state < STMT_COMPILED)
{
throw StatementException("Satement is not compiled yet");
}
int res = mysql_stmt_execute(h);
if (res != 0)
{
throw StatementException("mysql_stmt_execute error", h, _query);
}
if (mysql_stmt_execute(_pHandle) != 0)
throw StatementException("mysql_stmt_execute error", _pHandle, _query);
_state = STMT_EXECUTED;
}
@@ -154,16 +121,12 @@ void StatementExecutor::execute()
bool StatementExecutor::fetch()
{
if (_state < STMT_EXECUTED)
{
throw StatementException("Satement is not executed yet");
}
int res = mysql_stmt_fetch(h);
int res = mysql_stmt_fetch(_pHandle);
if ((res != 0) && (res != MYSQL_NO_DATA))
{
throw StatementException("mysql_stmt_fetch error", h, _query);
}
throw StatementException("mysql_stmt_fetch error", _pHandle, _query);
return (res == 0);
}
@@ -172,17 +135,15 @@ bool StatementExecutor::fetch()
bool StatementExecutor::fetchColumn(size_t n, MYSQL_BIND *bind)
{
if (_state < STMT_EXECUTED)
{
throw StatementException("Satement is not executed yet");
}
int res = mysql_stmt_fetch_column(h, bind, static_cast<unsigned int>(n), 0);
int res = mysql_stmt_fetch_column(_pHandle, bind, static_cast<unsigned int>(n), 0);
if ((res != 0) && (res != MYSQL_NO_DATA))
{
std::ostringstream msg;
msg << "mysql_stmt_fetch_column(" << n << ") error";
throw StatementException(msg.str(), h, _query);
throw StatementException(msg.str(), _pHandle, _query);
}
return (res == 0);