I'll readup on this PDO as it shows that PDO is enabled.
PDO
PDO support enabled
PDO drivers mysql, sqlite
pdo_mysql
PDO Driver for MySQL enabled
Client API version mysqlnd 5.0.8-dev - 20102224 - $Revision: 310735 $
pdo_sqlite
PDO Driver for SQLite 3.x enabled
SQLite Library 3.7.7.1
José
On Wednesday, December 12, 2012 2:56:09 PM UTC-8, asgallant wrote:
>
> Adding user-defined parameters to the SQL string opens you up to
> SQL-injection attacks (mentioned above in my conversation with
> Chrystopher). PHP's standard mysql library doesn't provide any measure of
> protection against them, so I strongly recommend changing to using PDO's
> with prepared statements and bound parameters. This may require you to
> change your PHP configuration; run this script, and see if PDO is enabled,
> and if so, see if it is set up for use with mysql:
>
> <?php
> phpinfo();
> ?>
>
> Once it is enabled and set up for use with mysql, converting from the
> mysql tools to PDO is relatively simple.
>
> On Wednesday, December 12, 2012 5:08:05 PM UTC-5, Jose wrote:
>>
>> Hello asgallant, I see your still very active in helping other people
>> which is very kind of you!
>>
>> Since you've last helped me, I've added just a couple of minor things but
>> I'm still trying to figure out how to dynamically change/pass a value to
>> the sql string so as it can plot the chart from different data. The two
>> files I'm still using are 'chart.php' & 'chartdata.php'. How do I get
>> chart.php to pass this variable and have the data file receive it? The sql
>> fields are the same, it's just the column 'id_testKey' that will dictate
>> what data is requested.
>>
>> José
>>
>> On Wednesday, October 17, 2012 5:40:15 PM UTC-7, asgallant wrote:
>>>
>>> You're welcome.
>>>
>>> On Wednesday, October 17, 2012 7:06:01 PM UTC-4, Jose wrote:
>>>>
>>>> Thank you very much, that helped! Now I'll use other chart options to
>>>> fine tune it a bit to look similar to my excel charts.
>>>> Really appreciate the help asgallant!
>>>>
>>>> On Wednesday, October 17, 2012 10:31:40 AM UTC-7, asgallant wrote:
>>>>>
>>>>> D'oh! My mistake, I did change something else. The (float) typing
>>>>> converts null into 0, so you have to test for null and handle it
>>>>> specially.
>>>>> In your php file, the while loop should look like this:
>>>>>
>>>>> while($r = mysql_fetch_assoc($sth)) {
>>>>> $temp = array();
>>>>> $temp[] = array('v' => (float) $r['PsiBar']);
>>>>> $temp[] = array('v' => (is_null($r['prodPerct1'])) ? null : (float)
>>>>> $r['prodPerct1']);
>>>>> $temp[] = array('v' => (is_null($r['prodPerct2'])) ? null : (float)
>>>>> $r['prodPerct2']);
>>>>> $temp[] = array('v' => (is_null($r['prodPerct3'])) ? null : (float)
>>>>> $r['prodPerct3']);
>>>>> $rows[] = array('c' => $temp);
>>>>> }
>>>>>
>>>>> although, since your data is already in numerical form (and thus you
>>>>> don't have to force it to be type float), you can go with the simpler:
>>>>>
>>>>> while($r = mysql_fetch_assoc($sth)) {
>>>>> $temp = array();
>>>>> $temp[] = array('v' => $r['PsiBar']);
>>>>> $temp[] = array('v' => $r['prodPerct1']);
>>>>> $temp[] = array('v' => $r['prodPerct2']);
>>>>> $temp[] = array('v' => $r['prodPerct3']);
>>>>> $rows[] = array('c' => $temp);
>>>>> }
>>>>>
>>>>> It's also a good idea to force the mime type to application/json by
>>>>> setting the header, before you echo the json:
>>>>>
>>>>> header("Content-type: application/json");
>>>>> echo $jsonTable;
>>>>>
>>>>> On Wednesday, October 17, 2012 10:54:15 AM UTC-4, asgallant wrote:
>>>>>>
>>>>>> I used your code exactly as it appears in the files you posted,
>>>>>> except for the modifications mentioned. I didn't save a copy, though,
>>>>>> so I
>>>>>> can't post them back. I'll see if I can duplicate it later today.
>>>>>>
>>>>>> On Wednesday, October 17, 2012 10:11:01 AM UTC-4, Jose wrote:
>>>>>>>
>>>>>>> Asgallant, I tried it again and still the same results, although I
>>>>>>> did add that var option but it didn't help. I'm wondering if its
>>>>>>> something
>>>>>>> else in your scripts/code that is different than mine. If you could
>>>>>>> post
>>>>>>> those, that would be great.
>>>>>>> As another non sufficient way, could three separate SQL calls be
>>>>>>> made then plot the results onto the same chart?
>>>>>>>
>>>>>>> On Tuesday, October 16, 2012 10:16:00 AM UTC-7, asgallant wrote:
>>>>>>>>
>>>>>>>> I duplicated your table and ran the query, and Method 2 looked
>>>>>>>> right to me. I had to make 1 small change to the SQL to make it run
>>>>>>>> (but
>>>>>>>> that could be a quirk of my MySQL install), and 1 change to the chart
>>>>>>>> options. The SQL looked like this:
>>>>>>>>
>>>>>>>> SELECT
>>>>>>>> foo.PsiBar,
>>>>>>>> IF(prodPerct1 = 0, null, foo.prodPerct1) as prodPerct1,
>>>>>>>> IF(prodPerct2 = 0, null, foo.prodPerct2) as prodPerct2,
>>>>>>>> IF(prodPerct3 = 0, null, foo.prodPerct3) as prodPerct3
>>>>>>>> FROM (
>>>>>>>> SELECT
>>>>>>>> PsiBar,
>>>>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>>>>> FROM tbl_dilution
>>>>>>>> GROUP BY PsiBar
>>>>>>>> ) AS foo
>>>>>>>>
>>>>>>>> and I set the "interpolateNulls" chart option to true:
>>>>>>>>
>>>>>>>> var options = {
>>>>>>>> title: 'Line Chart Test',
>>>>>>>> interpolateNulls: true
>>>>>>>> };
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tuesday, October 16, 2012 12:51:40 PM UTC-4, Jose wrote:
>>>>>>>>>
>>>>>>>>> I gave both a try and neither looked as it should. Method 2
>>>>>>>>> displays the chart as it did previous where it was plotting the null
>>>>>>>>> '0'
>>>>>>>>> values.
>>>>>>>>>
>>>>>>>>> On Monday, October 15, 2012 9:38:58 PM UTC-7, asgallant wrote:
>>>>>>>>>>
>>>>>>>>>> Hmmm...I can see two ways of handling that. One results in a
>>>>>>>>>> messy DataTable, and will probably work; the other results in a
>>>>>>>>>> cleaner
>>>>>>>>>> DataTable, but might not work.
>>>>>>>>>>
>>>>>>>>>> Method 1: change the SQL statement to this:
>>>>>>>>>> SELECT
>>>>>>>>>> PsiBar,
>>>>>>>>>> IF(id_sample = 1, prodPerct, null) AS prodPerct1,
>>>>>>>>>> IF(id_sample = 2, prodPerct, null) AS prodPerct2,
>>>>>>>>>> IF(id_sample = 3, prodPerct, null) AS prodPerct3
>>>>>>>>>> FROM tbl_dilution
>>>>>>>>>>
>>>>>>>>>> removing the sums and the group by clause. This will result in
>>>>>>>>>> more rows of data (with duplicate domain column entries) than
>>>>>>>>>> necessary.
>>>>>>>>>>
>>>>>>>>>> Method 2: this will work only if 0 is not a valid value for your
>>>>>>>>>> data points to have. Change the SQL to this:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> SELECT
>>>>>>>>>> PsiBar,
>>>>>>>>>> IF(prodPerct1 = 0, null, prodPerct1) as prodPerct1,
>>>>>>>>>> IF(prodPerct2 = 0, null, prodPerct2) as prodPerct2,
>>>>>>>>>> IF(prodPerct3 = 0, null, prodPerct3) as prodPerct3
>>>>>>>>>> FROM (
>>>>>>>>>> SELECT
>>>>>>>>>> PsiBar,
>>>>>>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>>>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>>>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>>>>>>> FROM tbl_dilution
>>>>>>>>>> GROUP BY PsiBar
>>>>>>>>>> ) AS foo
>>>>>>>>>>
>>>>>>>>>> which tests to see if the sum is 0, and if it is, sets the value
>>>>>>>>>> to null instead. The DataTable will be cleaner, but it won't work
>>>>>>>>>> if your
>>>>>>>>>> values can be 0.
>>>>>>>>>>
>>>>>>>>>> On Monday, October 15, 2012 6:45:51 PM UTC-4, Jose wrote:
>>>>>>>>>>>
>>>>>>>>>>> asgallant, you are right, I am trying to get three lines plotted
>>>>>>>>>>> for each 'id_sample'. Within each id group, there are 12 plot
>>>>>>>>>>> points.
>>>>>>>>>>> I've tried the code you provided, thanks, but it appears to also
>>>>>>>>>>> plot the null values '0' between each data point. How do I fix this?
>>>>>>>>>>>
>>>>>>>>>>> {"cols":[{"label":"PsiBar","type":"number"},{"label":"Series
>>>>>>>>>>> 1","type":"number"},{"label":"Series
>>>>>>>>>>> 2","type":"number"},{"label":"Series
>>>>>>>>>>> 3","type":"number"}],"rows":[{"c":[{"v":0.39},{"v":0.36},{"v":0},{"v":0}]},{"c":[{"v":0.5},{"v":0},{"v":0.26},{"v":0.11}]},{"c":[{"v":0.56},{"v":0.49},{"v":0.34},{"v":0}]},{"c":[{"v":0.57},{"v":0},{"v":0},{"v":0.16}]},{"c":[{"v":0.84},{"v":0.56},{"v":0.41},{"v":0.15}]},{"c":[{"v":1.01},{"v":0.62},{"v":0.42},{"v":0}]},{"c":[{"v":1.02},{"v":0},{"v":0},{"v":0.24}]},{"c":[{"v":1.3},{"v":0.66},{"v":0.49},{"v":0}]},{"c":[{"v":1.31},{"v":0},{"v":0},{"v":0.26}]},{"c":[{"v":1.45},{"v":0.66},{"v":0.5},{"v":0.27}]},{"c":[{"v":1.74},{"v":0},{"v":0.52},{"v":0}]},{"c":[{"v":1.75},{"v":0.68},{"v":0},{"v":0.28}]},{"c":[{"v":2.1},{"v":0},{"v":0},{"v":0.28}]},{"c":[{"v":2.11},{"v":0},{"v":0.52},{"v":0}]},{"c":[{"v":2.12},{"v":0.68},{"v":0},{"v":0}]},{"c":[{"v":2.57},{"v":0},{"v":0.49},{"v":0.27}]},{"c":[{"v":2.58},{"v":0.65},{"v":0},{"v":0}]},{"c":[{"v":3.07},{"v":0},{"v":0},{"v":0.25}]},{"c":[{"v":3.09},{"v":0.6},{"v":0.46},{"v":0}]},{"c":[{"v":3.56},{"v":0.56},{"v":0},{"v":0.23}]},{"c":[{"v":3.57},{"v":0},{"v":0.42},{"v":0}]},{"c":[{"v":4.23},{"v":0},{"v":0},{"v":0.21}]},{"c":[{"v":4.34},{"v":0},{"v":0.39},{"v":0}]},{"c":[{"v":4.36},{"v":0.51},{"v":0},{"v":0}]}]}
>>>>>>>>>>>
>>>>>>>>>>> Really appreciate your help on this!
>>>>>>>>>>>
>>>>>>>>>>> On Thursday, October 11, 2012 12:43:03 PM UTC-7, asgallant wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> You're not charting 3 series there, you have 1 series. Looking
>>>>>>>>>>>> at your SQL table, I would guess that you want to display one
>>>>>>>>>>>> series for
>>>>>>>>>>>> each sample id, right? If so, then you need to break out the
>>>>>>>>>>>> "prodPerct"
>>>>>>>>>>>> column into 3 different columns - 1 for each series. This is
>>>>>>>>>>>> probably best
>>>>>>>>>>>> achieved in SQL, maybe with a query like this:
>>>>>>>>>>>>
>>>>>>>>>>>> SELECT
>>>>>>>>>>>> PsiBar,
>>>>>>>>>>>> SUM(IF(id_sample = 1, prodPerct, null)) AS prodPerct1,
>>>>>>>>>>>> SUM(IF(id_sample = 2, prodPerct, null)) AS prodPerct2,
>>>>>>>>>>>> SUM(IF(id_sample = 3, prodPerct, null)) AS prodPerct3
>>>>>>>>>>>> FROM tbl_dilution
>>>>>>>>>>>> GROUP BY PsiBar
>>>>>>>>>>>>
>>>>>>>>>>>> and then use this to build the table:
>>>>>>>>>>>>
>>>>>>>>>>>> $table['cols'] = array(
>>>>>>>>>>>> array('label' => 'PsiBar', 'type' => 'number'),
>>>>>>>>>>>> array('label' => 'Series 1', 'type' => 'number')
>>>>>>>>>>>> array('label' => 'Series 2', 'type' => 'number')
>>>>>>>>>>>> array('label' => 'Series 3', 'type' => 'number')
>>>>>>>>>>>> );
>>>>>>>>>>>>
>>>>>>>>>>>> $rows = array();
>>>>>>>>>>>> while($r = mysql_fetch_assoc($sth)) {
>>>>>>>>>>>> $temp = array();
>>>>>>>>>>>> $temp[] = array('v' => (float) $r['psiBar']);
>>>>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct1']);
>>>>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct2']);
>>>>>>>>>>>> $temp[] = array('v' => (float) $r['prodPerct3']);
>>>>>>>>>>>> $rows[] = array('c' => $temp);
>>>>>>>>>>>> }
>>>>>>>>>>>>
>>>>>>>>>>>> On Thursday, October 11, 2012 12:50:04 PM UTC-4, Jose wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Hi asgallant,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Seeing Diana's example, I tried doing something similar with a
>>>>>>>>>>>>> Line graph but it's not coming out as I'd like.
>>>>>>>>>>>>> It displays the three series but links them all together
>>>>>>>>>>>>> instead of individually displaying them (lineChart.jpg).
>>>>>>>>>>>>> What I'm trying to achieve, is something similar to how it's
>>>>>>>>>>>>> displayed in Excel (chart_xls.jpg).
>>>>>>>>>>>>> If you could help me in the right direction, I'd appreciate it
>>>>>>>>>>>>> alot as I have been trying various things and the outcome
>>>>>>>>>>>>> isn't what I'm expecting.
>>>>>>>>>>>>>
>>>>>>>>>>>>> José
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Wednesday, September 26, 2012 10:11:01 AM UTC-7, asgallant
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> What is throwing that error message? Is it PHP?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> You will have to adjust the data types to the type of data
>>>>>>>>>>>>>> you are using, so if your first column isn't type string, you
>>>>>>>>>>>>>> need to
>>>>>>>>>>>>>> change it to something else in the column definitions (this goes
>>>>>>>>>>>>>> for all
>>>>>>>>>>>>>> columns - types must always match). Also, the (string)
>>>>>>>>>>>>>> typecasting in this
>>>>>>>>>>>>>> line:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> $temp[] = array('v' => (string) $r['PLACA']);
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> is probably not necessary, unless you have a non-string data
>>>>>>>>>>>>>> type that you need to specifically convert into a string.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> If you can post a link to the page, I can help debug things
>>>>>>>>>>>>>> on the javascript end, if it turns out that is where the problem
>>>>>>>>>>>>>> is.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Wednesday, September 26, 2012 4:47:20 AM UTC-4, Barbara
>>>>>>>>>>>>>> Gerstl wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> That is what I did... but, when opening goochart2.html, the
>>>>>>>>>>>>>>> result is the Error-Massage "string".
>>>>>>>>>>>>>>> I think, it has something to do with the field settings of
>>>>>>>>>>>>>>> the columns. Do you have any tipps?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thank you!
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Am Montag, 24. September 2012 19:26:26 UTC+2 schrieb
>>>>>>>>>>>>>>> asgallant:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> You can extrapolate from the code that the table has 6
>>>>>>>>>>>>>>>> columns: PLACA, S1, S2, S3, S4, S5.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Monday, September 24, 2012 10:15:44 AM UTC-4, Barbara
>>>>>>>>>>>>>>>> Gerstl wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Hello Diana!
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thank you very much for showing the whole process on how
>>>>>>>>>>>>>>>>> to combine Google Graph API with a MySQL-Database. That is
>>>>>>>>>>>>>>>>> exactly what I
>>>>>>>>>>>>>>>>> am looking for.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I tried to rebuild your example and I am having problems
>>>>>>>>>>>>>>>>> with the structure of the database/field settings. Can you
>>>>>>>>>>>>>>>>> show me
>>>>>>>>>>>>>>>>> structure and field settings of the table "bd_salidas"?
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thank you for your answer.
>>>>>>>>>>>>>>>>> Barbara
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Am Mittwoch, 5. September 2012 21:56:35 UTC+2 schrieb
>>>>>>>>>>>>>>>>> Diana Flores:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> yeaaaaaaahhhHHHH!!!!, we did it!!!!!!!!!!!!!. well at
>>>>>>>>>>>>>>>>>> first i tried the .DataTable(jsonData); but it gave me
>>>>>>>>>>>>>>>>>> errors but i put
>>>>>>>>>>>>>>>>>> the JSON.parse(jsonData)); and it
>>>>>>>>>>>>>>>>>> works!!!!!!!!!!!!!!!!!!....im so
>>>>>>>>>>>>>>>>>> happy!!! i will attach the files in case someone has the
>>>>>>>>>>>>>>>>>> same
>>>>>>>>>>>>>>>>>> problem!!!!!!!!....really really grateful, cause with your
>>>>>>>>>>>>>>>>>> help i learned a
>>>>>>>>>>>>>>>>>> lot of things!!!!....one month ago I was "what its php or
>>>>>>>>>>>>>>>>>> mysql....JSON
>>>>>>>>>>>>>>>>>> O_O???" i think its a lot, but thanks!!!!
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
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