Destinations() — supabase Function Reference
Architecture documentation for the Destinations() function in Destinations.tsx from the supabase codebase.
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Source Code
apps/studio/components/interfaces/Database/Replication/Destinations.tsx lines 39–301
export const Destinations = () => {
const queryClient = useQueryClient()
const { ref: projectRef } = useParams()
const { hasAccess: hasETLReplicationAccess, isLoading: isLoadingEntitlement } =
useCheckEntitlements('replication.etl')
const unifiedReplication = useFlag('unifiedReplication')
const prefetchedRef = useRef(false)
const [filterString, setFilterString] = useState<string>('')
const [statusRefetchInterval, setStatusRefetchInterval] = useState<number | false>(5000)
const [_, setDestinationType] = useQueryState(
'type',
parseAsStringEnum<DestinationType>([
'Read Replica',
'BigQuery',
'Analytics Bucket',
]).withOptions({
history: 'push',
clearOnDefault: true,
})
)
const {
data: databases = [],
error: databasesError,
isPending: isDatabasesLoading,
isError: isDatabasesError,
isSuccess: isDatabasesSuccess,
} = useReadReplicasQuery({ projectRef }, { refetchInterval: statusRefetchInterval })
const readReplicas = databases.filter((x) => x.identifier !== projectRef)
const hasReplicas = isDatabasesSuccess && readReplicas.length > 0
const filteredReplicas =
filterString.length === 0
? readReplicas
: readReplicas.filter((replica) => replica.identifier.includes(filterString.toLowerCase()))
const {
data: sourcesData,
error: sourcesError,
isPending: isSourcesLoading,
isError: isSourcesError,
isSuccess: isSourcesSuccess,
} = useReplicationSourcesQuery({
projectRef,
})
const sourceId = sourcesData?.sources.find((s) => s.name === projectRef)?.id
const replicationNotEnabled = isSourcesSuccess && !sourceId
const {
data: destinationsData,
error: destinationsError,
isPending: isDestinationsLoading,
isError: isDestinationsError,
isSuccess: isDestinationsSuccess,
} = useReplicationDestinationsQuery({
projectRef,
})
const destinations = destinationsData?.destinations ?? []
const hasDestinations = isDestinationsSuccess && destinationsData?.destinations.length > 0
const filteredDestinations =
filterString.length === 0
? destinations ?? []
: (destinations ?? []).filter((destination) =>
destination.name.toLowerCase().includes(filterString.toLowerCase())
)
const {
data: pipelinesData,
error: pipelinesError,
isPending: isPipelinesLoading,
isError: isPipelinesError,
isSuccess: isPipelinesSuccess,
} = useReplicationPipelinesQuery({
projectRef,
})
const isLoading =
isSourcesLoading || isDestinationsLoading || isDatabasesLoading || isLoadingEntitlement
const hasErrorsFetchingData = isSourcesError || isDestinationsError || isDatabasesError
useEffect(() => {
if (
projectRef &&
!prefetchedRef.current &&
pipelinesData?.pipelines &&
pipelinesData.pipelines.length > 0 &&
isPipelinesSuccess
) {
prefetchedRef.current = true
pipelinesData.pipelines.forEach((p) => {
if (!p?.id) return
queryClient.prefetchQuery({
queryKey: replicationKeys.pipelinesVersion(projectRef, p.id),
queryFn: ({ signal }) =>
fetchReplicationPipelineVersion({ projectRef, pipelineId: p.id }, signal),
staleTime: Infinity,
})
})
}
}, [projectRef, pipelinesData?.pipelines, isPipelinesSuccess, queryClient])
useEffect(() => {
if (!isDatabasesSuccess) return
const pollReplicas = async () => {
const fixedStatuses = [
REPLICA_STATUS.ACTIVE_HEALTHY,
REPLICA_STATUS.ACTIVE_UNHEALTHY,
REPLICA_STATUS.INIT_READ_REPLICA_FAILED,
]
const replicasInTransition = readReplicas.filter((db) => !fixedStatuses.includes(db.status))
const hasTransientStatus = replicasInTransition.length > 0
// If all replicas are active healthy, stop fetching statuses
if (!hasTransientStatus) setStatusRefetchInterval(false)
}
pollReplicas()
}, [isDatabasesSuccess, readReplicas])
return (
<>
<div className="mb-4">
<div className="flex items-center justify-between">
<div className="flex items-center">
<Input
placeholder="Filter destinations"
size="tiny"
icon={<Search />}
value={filterString}
className="w-full lg:w-52"
onChange={(e) => setFilterString(e.target.value)}
actions={
filterString.length > 0 && (
<Button
type="text"
icon={<X />}
className="p-0 h-5 w-5"
onClick={() => setFilterString('')}
/>
)
}
/>
</div>
<div className="flex items-center gap-x-2">
{(unifiedReplication || !!sourceId) && (
<Button
type="default"
icon={<Plus />}
onClick={() => setDestinationType('Read Replica')}
>
Add destination
</Button>
)}
<DocsButton href={`${DOCS_URL}/guides/database/replication`} />
</div>
</div>
</div>
<div className="w-full overflow-hidden overflow-x-auto flex flex-col gap-y-4">
{hasErrorsFetchingData && (
<AlertError
error={sourcesError || destinationsError || databasesError}
subject={PIPELINE_ERROR_MESSAGES.RETRIEVE_DESTINATIONS}
/>
)}
{isLoading ? (
<GenericSkeletonLoader />
) : !unifiedReplication && replicationNotEnabled ? (
<EnableReplicationCallout hasAccess={hasETLReplicationAccess} />
) : (unifiedReplication && hasReplicas) || hasDestinations ? (
<Card>
<CardContent className="p-0">
<Table>
<TableHeader>
<TableRow>
<TableHead key="type" className="w-[20px]" />
<TableHead key="name" className="w-[250px]">
Name
</TableHead>
<TableHead key="status" className="w-[150px]">
Status
</TableHead>
<TableHead key="lag" className="w-[80px]">
Lag
</TableHead>
<TableHead key="publication">Publication</TableHead>
<TableHead key="actions" />
</TableRow>
</TableHeader>
<TableBody>
{unifiedReplication &&
filteredReplicas.map((replica) => {
return (
<ReadReplicaRow
key={replica.identifier}
replica={replica}
onUpdateReplica={() => setStatusRefetchInterval(5000)}
/>
)
})}
{filteredDestinations.map((destination) => (
<DestinationRow key={destination.id} destinationId={destination.id} />
))}
{!isLoading &&
filteredDestinations.length === 0 &&
filteredReplicas.length === 0 &&
((unifiedReplication && hasReplicas) || hasDestinations) && (
<TableRow>
<TableCell colSpan={5}>
<p>No results found</p>
<p className="text-foreground-light">
Your search for "{filterString}" did not return any results
</p>
</TableCell>
</TableRow>
)}
</TableBody>
</Table>
</CardContent>
</Card>
) : (
!isLoading &&
!hasErrorsFetchingData && (
<div
className={cn(
'w-full',
'border border-dashed bg-surface-100 border-overlay',
'flex flex-col px-16 rounded-lg justify-center items-center py-8 mt-4'
)}
>
<h4>
{unifiedReplication
? 'Replication keeps your data in sync across systems'
: 'Create your first destination'}
</h4>
<p className="text-foreground-light text-sm text-balance text-center mt-1">
{unifiedReplication
? 'Deploy read replicas for lower latency and better resource management, or capture database changes to external platforms for real-time data pipelines.'
: 'Destinations are external platforms where your database changes are automatically sent. Connect to various data warehouses and analytics platforms to enable real-time data pipelines.'}
</p>
<Button
icon={<Plus />}
onClick={() => setDestinationType('Read Replica')}
className="mt-4"
>
Add destination
</Button>
</div>
)
)}
</div>
<DestinationPanel onSuccessCreateReadReplica={() => setStatusRefetchInterval(5000)} />
</>
)
}
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