On Mon, Jan 12, 2009 at 2:29 AM, Luiz Henrique de Figueiredo
<lhf@tecgraf.puc-rio.br> wrote:
> 1. Is there a better way to do a query language over a set of tables
Use setfenv to set the environment of the function returned by loadstring
to the table you want to query. Do that for each table.
> 2. If not is there a easy way in lua to transform the query string
> (timeZone == "EST") or ( timeZone == "PST")
>
> to
> { ts.entry.timeZone == "EST") or ( ts.entry.timeZone == "PST")
You could do it easily with token filters, but I think the soltion above is
simpler and more powerful.
If your queries involve actual Lua globals, such as say math.sqrt, then you
need to set __index methods for your tables to _G.
--lhf
