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fix(GraphQL): fix internal error when doing GraphQL schema introspection after drop all #6268

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merged 5 commits into from
Aug 27, 2020
Merged

fix(GraphQL): fix internal error when doing GraphQL schema introspection after drop all #6268

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77af911
fix internal error when querying schema after drop all
minhaj-shakeel Aug 24, 2020
62fb586
minor change in comment
minhaj-shakeel Aug 25, 2020
cdf727e
add e2e tests
minhaj-shakeel Aug 26, 2020
16eb3c2
fix CI failure
minhaj-shakeel Aug 26, 2020
778f5af
remove extra testcase
minhaj-shakeel Aug 26, 2020
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19 changes: 12 additions & 7 deletions graphql/admin/admin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -768,13 +768,18 @@ func (as *adminServer) resetSchema(gqlSchema schema.Schema) {
// set status as updating schema
mainHealthStore.updatingSchema()

resolverFactory := resolverFactoryWithErrorMsg(errResolverNotFound)
// it is nil after drop_all
if gqlSchema != nil {
resolverFactory = resolverFactory.WithConventionResolvers(gqlSchema, as.fns)
}
if as.withIntrospection {
resolverFactory.WithSchemaIntrospection()
var resolverFactory resolve.ResolverFactory
// If schema is nil (which becomes after drop_all) then do not attach Resolver for
// introspection operations, and set GQL schema to empty.
if gqlSchema == nil {
resolverFactory = resolverFactoryWithErrorMsg(errNoGraphQLSchema)
gqlSchema, _ = schema.FromString("")
} else {
resolverFactory = resolverFactoryWithErrorMsg(errResolverNotFound).
WithConventionResolvers(gqlSchema, as.fns)
if as.withIntrospection {
resolverFactory.WithSchemaIntrospection()
}
}

// Increment the Epoch when you get a new schema. So, that subscription's local epoch
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