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feat: merge entity fetches and then schedule optimally #3146

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Merged
ysmolski merged 19 commits into from
Aug 13, 2026
Merged

feat: merge entity fetches and then schedule optimally #3146

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2159f8b
feat: schedule fetch trees optimally
ysmolski Jul 24, 2026
d49aaff
Merge branch 'main' of github.com:wundergraph/cosmo into yury/router-…
ysmolski Aug 7, 2026
1db3ab9
use combined merger + scheduler
ysmolski Aug 7, 2026
cfb3956
fix fmt
ysmolski Aug 10, 2026
9b5a317
fix tests
ysmolski Aug 10, 2026
5203322
Merge branch 'main' of github.com:wundergraph/cosmo into yury/mf-befo…
ysmolski Aug 10, 2026
d385685
fix fmt
ysmolski Aug 10, 2026
811da76
fix complex test
ysmolski Aug 10, 2026
e173358
fix test msg
ysmolski Aug 10, 2026
374cf60
Merge branch 'main' of github.com:wundergraph/cosmo into yury/mf-befo…
ysmolski Aug 12, 2026
f8f51f7
make features disabled by default
ysmolski Aug 12, 2026
909ba56
Merge branch 'main' of github.com:wundergraph/cosmo into yury/mf-befo…
ysmolski Aug 12, 2026
14977fd
bump golang.org/x/text to v0.39.0
ysmolski Aug 12, 2026
d83220f
bump engine
ysmolski Aug 12, 2026
8c1b118
update docs
ysmolski Aug 12, 2026
73a6b12
add a combined test
ysmolski Aug 13, 2026
331e9c2
go fmt
ysmolski Aug 13, 2026
ec3b0f9
engine 2.16.0
ysmolski Aug 13, 2026
540bcf9
remove stale comment
ysmolski Aug 13, 2026
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2 changes: 1 addition & 1 deletion router-tests/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ require (
github.com/wundergraph/cosmo/router v0.0.0-20260710155145-803a4bc06d92
github.com/wundergraph/cosmo/router-plugin v0.0.0-20250808194725-de123ba1c65e
github.com/wundergraph/cosmo/speedtrap v0.0.0-00010101000000-000000000000
github.com/wundergraph/graphql-go-tools/v2 v2.14.2
github.com/wundergraph/graphql-go-tools/v2 v2.14.3-0.20260807144454-b725dd116b4e
go.opentelemetry.io/otel v1.44.0
go.opentelemetry.io/otel/sdk v1.44.0
go.opentelemetry.io/otel/sdk/metric v1.44.0
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4 changes: 2 additions & 2 deletions router-tests/go.sum
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Expand Up @@ -386,8 +386,8 @@ github.com/wundergraph/astjson v1.1.0 h1:xORDosrZ87zQFJwNGe/HIHXqzpdHOFmqWgykCLV
github.com/wundergraph/astjson v1.1.0/go.mod h1:h12D/dxxnedtLzsKyBLK7/Oe4TAoGpRVC9nDpDrZSWw=
github.com/wundergraph/go-arena v1.3.0 h1:n0ng5a1vbd8YGq1u3rMr0vPU5f6AZ1BXIiUhL1UIok8=
github.com/wundergraph/go-arena v1.3.0/go.mod h1:ROOysEHWJjLQ8FSfNxZCziagb7Qw2nXY3/vgKRh7eWw=
github.com/wundergraph/graphql-go-tools/v2 v2.14.2 h1:zPqpmGdVLtTR3nc/H7kPWgMN+a/DR5ccFLGyS1WtxeQ=
github.com/wundergraph/graphql-go-tools/v2 v2.14.2/go.mod h1:zREIKLmpjfNcGSubndaW/913r0Y8XbbYOXQeZFkwHdo=
github.com/wundergraph/graphql-go-tools/v2 v2.14.3-0.20260807144454-b725dd116b4e h1:JNVTWXsC6YwWSIWPI17B/AOjV9qzciKq9mkQvURqHZs=
github.com/wundergraph/graphql-go-tools/v2 v2.14.3-0.20260807144454-b725dd116b4e/go.mod h1:zREIKLmpjfNcGSubndaW/913r0Y8XbbYOXQeZFkwHdo=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 h1:FnBeRrxr7OU4VvAzt5X7s6266i6cSVkkFPS0TuXWbIg=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
github.com/yosida95/uritemplate/v3 v3.0.2 h1:Ed3Oyj9yrmi9087+NczuL5BwkIc4wvTb5zIM+UJPGz4=
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4 changes: 3 additions & 1 deletion router-tests/modules/query_stats_test.go
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Expand Up @@ -168,7 +168,9 @@ func TestCustomModuleQueryStats(t *testing.T) {

assert.Equal(t, expectedSubgraphFetches, qps.SubgraphFetches)

assert.Equal(t, []core.SubgraphRootField{
// The list is deduplicated in fetch-tree traversal order, which is
// an implementation detail of the schedule tree shape: assert as a set.
assert.ElementsMatch(t, []core.SubgraphRootField{
{
SubgraphName: "employees",
TypeName: "Query",
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