in source/shared/core_stmt.cpp [1250:1270]
bool is_a_string_type(_In_ SQLSMALLINT sql_type)
{
switch (sql_type) {
case SQL_BIGINT:
case SQL_DECIMAL:
case SQL_NUMERIC:
case SQL_SS_VARIANT:
case SQL_SS_UDT:
case SQL_GUID:
case SQL_SS_XML:
case SQL_CHAR:
case SQL_WCHAR:
case SQL_VARCHAR:
case SQL_WVARCHAR:
case SQL_LONGVARCHAR:
case SQL_WLONGVARCHAR:
return true;
}
return false;
}