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# ask-community
r
Rubén Lopez Lozoya
04/15/2022, 10:50 AMHey guys is there any way of submitting a LaunchBackfill mutation selecting all partitionNames at once? The client/requester does not know all the available partitionNames so I just want to trigger the whole partition set
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mutation LaunchPartitionBackfill($repositoryName: String!, $repositoryLocationName: String!, $partitionSetName: String!) {
launchPartitionBackfill(backfillParams: {
selector: {
partitionSetName: $partitionSetName
repositorySelector: {
repositoryName: $repositoryName,
repositoryLocationName: $repositoryLocationName,
}
}
partitionNames: <-- I DONT WANT TO SPECIFY THIS
forceSynchronousSubmission: true
})
{
... on LaunchBackfillSuccess {
backfillId
launchedRunIds
}
... on PipelineConfigValidationInvalid {
pipelineName
errors {
message
reason
}
}
}s
sandy
04/15/2022, 3:48 PM@prha might know?
p
prha
04/15/2022, 4:25 PMI don’t think so, but this seems like a reasonable flag to put in. Are you using the GraphQL API directly?
@Dagster Bot issue add flag to backfill creation mutation to select all known partitions
d
Dagster Bot
04/15/2022, 4:25 PMCreated issue at: https://github.com/dagster-io/dagster/issues/7471
r
Rubén Lopez Lozoya
04/15/2022, 4:25 PMYeah we use it to trigger runs based on an event stream in a different service :)
Ideal scenario would be to run the partition fn after triggering via GraphQL and select all partition items, that way you could also trigger items that were not there the last time you ran the partition fn, bc I understand that the partition fn is run once you open it in Dagit only?
E.g run a backfill for all existig users via graphql, so every run there will be new users notnconsidered in the past run, and I need to also consider the new ones as partition items, but cant tell from the calling services what users I have so I need Dagster to run the partition fn on every call for me
p
prha
04/15/2022, 4:53 PMI think we can just add a flag to the backfill and have the backfill daemon persist that through upon execution
Will need to dig a little bit before confirming
Just to loop back on this… the
LaunchBackfillallPartitions0.14.10✅ 1
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