Every time you have a function that you want to run first, that makes use
of callbacks, such as:
myFunc(function(err, result) { ... });
Then you need to place the code you want to run second where ... is. This
is the asynchronous nature of node. Any code where ... is will not run
until myFunc is finished internally and calls it's argument function. If
there's another synchronous function, meaning it doesn't accept a function
as a parameter, outside of myFunc it will be run first. Otherwise they will
be driven in order of the events caused by the user.
dbclient.query() needs to be inside of the anonymous (read: unnamed)
function that's passed to dbclient.connect()
On Nov 19, 2014 7:36 AM, "Vasa" <[email protected]> wrote:
> Hello Aria,
>
> Thank you for pointing out the bug. I am new to PHP :). I fixed it and my
> PHP is working fine retrieving the data and charting.
> But i am trying to move the db queries to my nodejs. So that when a
> request is made, it queries the db and then tries to chart the data.
> I have attached my node server. Please help me out.
>
>
> On Tuesday, November 18, 2014 1:21:53 PM UTC+5:30, Vasa wrote:
>>
>> Hello noders
>>
>> i am trying to generate a chart (using highcharts) with queried data from
>> Mysql.
>> I have my data.php file to query the database and create a JSON file.
>> This JSON file is used by index.php file to draw the chart.
>> This is not working because the chart is drawn before the sql data is
>> retrieved.
>>
>> I am trying to create a nodejs for the same and i assume this is the
>> solution to my requirement
>>
>> Any advice here
>>
>>
>>
>>
>> --
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