[Freeswitch-users] Help in freeswitch dbh query.

[Abaci B]

try      * lang = row[inp_..input]*

On Tue, May 19, 2015 at 10:07 AM, Aqs Younas <aqsyounas at gmail.com> wrote:

> Hi, users.
>
> I am trying to fetch language from database through freeswitch dbh after
> user presses some digits on main message.
>
> Database table structure is as follow.
>
> Id    Did  inp_1  inp_2   inp_3
>
> 1     14045872020 <14048002020> english  chinese hindi
>
>  *input* = session:playAndGetDigits(1, 1, 3, 3000, "#",main_msg,
> "/error.wav", "\\d")
> session:consoleLog("info", "Caller pressed  : ".. input .."\n")
>
> sql ="select inp_"..input.." from bible_main where Did = "..Dest
> session:consoleLog("info", "SQL : ".. sql .."\n")
>
> dbh:query(sql, function(row)
>      * lang = row.inp_..input*
>       session:consoleLog("info", "Caller has Selected : ".. lang .."\n")
> end)
>
> Running above code gives me below error.
> 2015-05-17 02:26:20.057184 [ERR] mod_lua.cpp:103
> /usr/local/freeswitch/scripts/bible.lua:27: attempt to concatenate field
> 'inp_' (a nil value)
> stack traceback:
>         /usr/local/freeswitch/scripts/bible.lua:27: in function
> </usr/local/freeswitch/scripts/bible.lua:25>
>         [C]: in function 'query'
>         /usr/local/freeswitch/scripts/bible.lua:25: in main chunk
>
> Actually, i do not know how to concatenate a table value with string so
> that it reflects the table column. So, i can get value from this.
>
> Running it like this, gives perfect result.
>
> dbh:query(sql, function(row)
>      * lang = row.inp_1*
>       session:consoleLog("info", "Caller has Selected : ".. lang .."\n")
> end)
>
> But I want user's input not some hard coded values for input.
>
>
> Any help in this regard.
> Thanks.
>
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