Hello,
Have the following data sets:
use m0play
Using database m0play
show measurements
name: measurements
name
----
m0reqs
s3reqs
select * from m0reqs limit 10;
name: m0reqs
time m0_id m0_type s3_id
---- ----- ------- -----
1565020080860999936 10999 MDW 999
1565020080861999872 10998 MDR 998
1565020080862999808 10997 IOW 997
1565020080864000000 10996 IOR 996
1565020080864999936 10995 MDW 995
1565020080865999872 10994 MDR 994
1565020080867000064 10993 IOW 993
1565020080868000000 10992 IOR 992
1565020080868999936 10991 MDW 991
1565020080869999872 10990 MDR 990
select * from s3reqs limit 10;
name: s3reqs
time s3_id s3_type
---- ----- -------
1565020080860999936 999 GET
1565020080861999872 998 DEL
1565020080862999808 997 PUT
1565020080864000000 996 GET
1565020080864999936 995 DEL
1565020080865999872 994 PUT
1565020080867000064 993 GET
1565020080868000000 992 DEL
1565020080868999936 991 PUT
1565020080869999872 990 GET
Trying to join them by s3_id field with the code below so, Iām expecting to see a table like this:
s3_id =
from(bucket: "m0play")
|> range(start: dashboardTime)
|> filter(fn: (r) => r._measurement == "s3reqs")
m0_id =
from(bucket: "m0play")
|> range(start: dashboardTime)
|> filter(fn: (r) => r._measurement == "m0reqs")
join(tables:{m0_id:m0_id, s3_id:s3_id}, on:["_time", "s3_id"])
Data:
m0reqs_time m0reqs_m0_id m0reqs_m0_type m0reqs_s3_id s3reqs_time s3reqs_s3_id s3reqs_s3_type
---- ----- ------- ----- ---- ----- -------
1565020080860999936 10999 MDW 999 1565020080860999936 999 GET
1565020080860999936 20999 MDW 999 1565020080860999936 999 GET
Instead, I have got something very similar to āfull joinā.
Tried to analyse raw data with python. have the following header for joined table:
['',
'result',
'table',
'_field_m0_id',
'_field_s3_id',
'_measurement_m0_id',
'_measurement_s3_id',
'_start_m0_id',
'_start_s3_id',
'_stop_m0_id',
'_stop_s3_id',
'_time',
'_value_m0_id',
'_value_s3_id',
'm0_type',
's3_type']
Inside the data, I see that ā_value_m0_idā, ā_value_s3_idā values are mixed, because m0_id have to be in [0,100] range and s3_id in [10000,10100] range.
Tried to play with third parameter of join, āmethodā, but didnāt obtain any data due to āinvalid join typeā error.