I am trying to create a JSON array for our web app from a MSSQL database.
For this I use the following components:
telekom/webhook:receive
telekom/mssql:selectAction
select * from [dbo].[perso]
telekom/request-reply:reply
{
"personalnr": personalnr,
"firstname": firstname,
"name": name,
"email": email,
"holidays": holidays
}
You can see in the dashboard that all 20 data records are read in and that they also arrive at telekom/request-reply. But as output I only get the first record back.
In your case the connector retrieves a bunch of 20 rows from database.
Now there are two options a connector can transfer these rows to the next one.
Option 1: transfer as a bunch as well; in this case you would see 1 processed event in dashboard. The following connector must be able to handle a bunch of rows himself.
Option 2: every row will be transferred separately. In this case you would see 20 processed events. The following connector will get data from one row only and has to run 20 times.
As you can see, the MSSQL connector implements the second option. The following connector is the interesting one; he should run 20 times and in every pass he should process data from another row.
Related
I have problem with Enhanced E-commerce Measurement Protocol ( docs ). Sometimes client is buying about 100 different products in one transaction. It exceedes the size of 8192 bytes ( reference ) and request doesn't go through.
I tried to split that into small packs with:
transaction details + one item with index 1 (all items as pr1id)
I tried also to split that with increment index:
transaction details + one item with incrementing index (for ex. first I send transaction + pr1id, then transaction + pr2id etc)
I always end up with only one item in google analytics. Is there any way to split it in working and correct way? I couldn't find solution in google or docs.
I developed an app based on App Inventor and Fusion Tables. When I want to update total money by adding some money to already existing money it is giving some error.
When I use SELECT command to get information from fusion table it is taking then number with column Name. When i am trying to add both of them it is giving following error.
Error message
The result from a fusiontable includes always the header row...
from your example SELECT statement the result is
TotalPaid
5000
Obviously to add any value to that result will result in an error, because you only can add numeric values...
You first have to extract the value (in your example 5000) from the result. Convert the result into a list using the split block, just split at \n (new value) to get a list, then select the 2nd item using the select list item block.
Note: to be able to update something in a table, you need the ROWID, see also the SQL Reference Documentation of the Fusion Tables API.
For UPDATE statements the first step to be done is to get the ROWID of the row to be updated with a SELECT statement. The second step is to do the UPDATE.
I am using telegraf-influxdb-grafana together. But I could not get rows for only last timestamp.
Here is what I am doing;
Collecting DB statistics(Running queries at that time) with Telegraf(exec plugin).
Storing output to influxdb
Trying to monitor running queries over grafana
But I need to get all rows at last timestamp.
Here is what I've tried;
> select * from postgresql_running_queries where time=(select max(time) from postgresql_running_queries)
ERR: error parsing query: found SELECT, expected identifier, string, number, bool at line 1, char 54
Here is what I want to see;
Time DB USER STATE QUERY
2017-06-06 14:25.00 mydb myuser active my_query
2017-06-06 14:25.00 mydb myuser idle in transaction my_query2
2017-06-06 14:25.00 mydb2 myuser2 active my_query3
Can any one help me to achive this?
I am open to any solution.
select last(fieldname) from measurment_name;
Query in this format will return last timestamp data from the InfluxDB.
But I am surprised with the fact that you are expecting 3 values for a single timestamp (unless you have different TAG values, refer this documentation how to store duplicate points). You will a ONLY ONE record for a given timestamp. InfluxDB overwrites previous content if there is another entry for same timestamp, here is why.
Your results will be something like (if you don't have different TAG value):
Time DB USER STATE QUERY
2017-06-06 14:25.00 mydb2 myuser2 active my_query3
EDIT:
Based on comment, my guess is you are using TAGs to differentiate, still above query should work, if not, you may try by adding WHERE clause.
In Qlikview, I have an excel sheet that I use to map USERNAME to a TEAM value. But everytime I refresh the dashboard, new USERNAME values come up and since they are not in the excel sheet, these USERNAME values show up as their own value in the TEAM column. How would I make it so that any USERNAME that is not in the excel sheet shows up as 'Unidentified' or another value under the TEAM column instead of showing up as their own separate value?
First of all when posting question here if possible always include the source code so everybody will have more clear picture about your problem. Just saying.
On the topic ...
Use the mapping load in this case with supplying the third parameter. For example:
TeamMapping:
Mapping
Load
UserName,
Team
From
[User_to_Team_Mapping.xlsx] (ooxml, embedded labels, table is [Sheet1])
;
Transactions:
Load
Id,
Amount,
ApplyMap( 'TeamMapping', User, 'Unidentified') as Team
From
Transactions.qvd (qvd)
;
The third parameter in ApplyMap is the default string value when mapping value was not found in the mapping table (TeamMapping)
I have the following monitoring stack:
collecting data with telegraf-0.12
storing in influxdb-0.12
visualisation in grafana (3beta)
I am collecting "system" data from several hosts and I want to create a graph showing the "system.load1" of several host NOT merged. I though I could simply add multiple queries to the graph panel.
When creating my graph panel, I create the first serie and see the result but when I add the second query, I got an error.
Here is the panel creation with 2 queries
Here is the query generated by the panel:
SELECT mean("load1") FROM "system" WHERE "host" = 'xxx' AND time > now() - 24h GROUP BY time(1m) fill(null) SELECT mean("load1") FROM "system" WHERE "host" = 'yyy' AND time > now() - 24h GROUP BY time(1m) fill(null)
And the error:
{
"error": "error parsing query: found SELECT, expected ; at line 2, char 1",
"message": "error parsing query: found SELECT, expected ; at line 2, char 1"
}
So I can see that the generated query is malformed (2 select in one line without even a ';') but I don't know how to use Grafana to achieve what I want.
When I show or hide each query individually I see the corresponding graph.
I have created a similar graph (with multiple series) with chronograf but I would rather use grafana as I have many more control and plugins...
Is there something I am doing wrong here ?
After reading couple of thread in github issues, here is a quick fix.
As mentionned by #schup, the problem and its solution are described here:
https://github.com/grafana/grafana/issues/4533
The binaries are currently not fixed in grafana-3beta (if might in the next weeks). So there are 2 options: fixing the source and compile or patched an existing install.
I actually had to patch my current install:
/usr/share/grafana/public/app/app.<number_might_differ_here>.js
sed --in-place=backup 's/join("\\n");return k=k.replace/join(";\\n");return k=k.replace/;s/.replace(\/%3B\/gi,";").replace/.replace/' app.<number_might_differ_here>.js
Hope this might help (and that it will soon be fixed)
Seems to be an API change in influxdb 0.11
https://github.com/grafana/grafana/issues/4533