When you're ready to get started, please post your code again (as I don't
have it any more), and I'll help you get set up with PDO's.
On Wednesday, December 12, 2012 6:17:51 PM UTC-5, Jose wrote:
>
> 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!!!!
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
--
You received this message because you are subscribed to the Google Groups
"Google Visualization API" group.
To view this discussion on the web visit
https://groups.google.com/d/msg/google-visualization-api/-/aOgRQ0QlhcUJ.
To post to this group, send email to google-visualization-api@googlegroups.com.
To unsubscribe from this group, send email to
google-visualization-api+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-visualization-api?hl=en.
