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Refine assert in result_impl::position with SQL_ROW_NUMBER_UNKNOWN #70

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Nov 30, 2015
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Refine assert in result_impl::position with SQL_ROW_NUMBER_UNKNOWN #70

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daa2066
Refine assert in result_impl::position with SQL_ROW_NUMBER_UNKNOWN
mloskot Nov 26, 2015
064ffa5
Cast SQL_ROW_NUMBER_UNKNOWN to SQLULEN in assert expression.
mloskot Nov 26, 2015
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3 changes: 2 additions & 1 deletion src/nanodbc.cpp
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Expand Up @@ -1932,7 +1932,8 @@ class result::result_impl
if(!success(rc))
NANODBC_THROW_DATABASE_ERROR(stmt_.native_statement_handle(), SQL_HANDLE_STMT);

NANODBC_ASSERT(pos - 1 + rowset_position_ <= static_cast<SQLULEN>(std::numeric_limits<unsigned long>::max()));
NANODBC_ASSERT(pos == static_cast<SQLULEN>(SQL_ROW_NUMBER_UNKNOWN)
|| pos - 1 + rowset_position_ <= static_cast<SQLULEN>(std::numeric_limits<unsigned long>::max()));
return static_cast<unsigned long>(pos) - 1 + rowset_position_;
}

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