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Return 0 filled points instead of nil when no data is available on InfluxDB

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This behaviour makes InfluxDB consistent with the RRD driver
This commit is contained in:
emanuele-f 2018-10-01 10:47:31 +02:00
parent 78a457e731
commit f82a8e9767
9 changed files with 99 additions and 58 deletions
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3
scripts/lua/modules/timeseries/drivers/sample.lua
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@ -28,6 +28,7 @@ end
--! @param tend upper time bound for the query.
--! @param tags a list of filter tags. It contains exactly the tags defined in the schema.
--! @param options query options.
--! @return a (possibly empty) query result on success, nil on failure.
function driver:query(schema, tstart, tend, tags, options)
end
@ -47,7 +48,7 @@ end
--! @param tend upper time bound for the query.
--! @param options query options.
--! @param top_tags the remaining tags of the schema, on which top k calculation is taking place.
--! @return a topk result on success, nil on error.
--! @return a (possibly empty) topk result on success, nil on error.
function driver:topk(schema, tags, tstart, tend, options, top_tags)
end