ngsi-timeseries-api | FIWARE Generic Enabler to support the usage of NGSIv2 | Time Series Database library
kandi X-RAY | ngsi-timeseries-api Summary
kandi X-RAY | ngsi-timeseries-api Summary
QuantumLeap: a FIWARE Generic Enabler to support the usage of NGSIv2 (and NGSI-LD experimentally) data in time-series databases
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Top functions reviewed by kandi - BETA
- Performs a query
- Format the results of a query
- Return the column names from the query metadata
- Convert entity type to TENANT
- Query NTNE
- Return a translator for a given tenant
- Read configuration from environment variables
- Returns an instance of Crate translator
- Load data from files
- Run the daemon
- Convert db value to the corresponding value
- Encode geometry as WKT
- Delete Entity
- Creates an observation store from the given ts
- Called when an exception is raised
- Start the global monitor
- Build a telemetry frame from csv files
- Put an observation into the buffer
- Sample the collection
- Return a FlaskApp instance
- Insert entities into the collection
- Query entity types
- Delete entities
- Create a data table
- Merge two series
- Determine the health of the OS
ngsi-timeseries-api Key Features
ngsi-timeseries-api Examples and Code Snippets
Community Discussions
Trending Discussions on ngsi-timeseries-api
QUESTION
Use qunatumleap to move data into a crate_db to display later using Grafana.
what I did- follow tutorial to setup Docker images
- setup opc-agent to provide data to the orion broker
- setup quantumleap to move data from broker to crate_db on change
- checked that a subscription is present in the contextBroker
on subscription of a new item quantumleap will create a entry in a table in the crate_db to store the provided values
what actually happensInstead of creating a entry in the Crate_db quantumleap throws a "schema not existing" fault. The provided tutorials do not talk about setting those schema up myself, therefore I assume that quantumleap normally sets them up. Right now I do not know why this is failing, most likely it is a configuration mistake on my side
additional information- subscription present in contextBroker: ...
ANSWER
Answered 2021-Feb-24 at 10:49after changing the database to a more recent version (for example crate-db:3.1.2) the data arrives at the database nicely
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ngsi-timeseries-api
Crate backend: Crate DB version 4.2.7 up to 4.6.7
Timescale backend: Postgres version 12 up to 13 + Timescale extension 1.7.5 up to 2.3.0 + Postgis extension 2.5.*.
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