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another attempt at #1187: retry mysql_stmt_prepare if server has gone away

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This commit is contained in:
Guenter Obiltschnig
2016-03-11 14:46:32 +01:00
parent 9a81312bcf
commit dcfc20a247
1 changed files with 11 additions and 2 deletions
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13
Data/MySQL/src/StatementExecutor.cpp
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@@ -55,8 +55,17 @@ void StatementExecutor::prepare(const std::string& query)
return;
}
if (mysql_stmt_prepare(_pHandle, query.c_str(), static_cast<unsigned int>(query.length())) != 0)
throw StatementException("mysql_stmt_prepare error", _pHandle, query);
int rc = mysql_stmt_prepare(_pHandle, query.c_str(), static_cast<unsigned int>(query.length()));
if (rc != 0)
{
// retry if connection lost
int err = mysql_errno(_pSessionHandle);
if (err == 2006 /* CR_SERVER_GONE_ERROR */ || err == 2013 /* CR_SERVER_LOST */)
{
rc = mysql_stmt_prepare(_pHandle, query.c_str(), static_cast<unsigned int>(query.length()));
}
}
if (rc != 0) throw StatementException("mysql_stmt_prepare error", _pHandle, query);
_query = query;
_state = STMT_COMPILED;