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[release-17.0] ignore ongoing backfill vindex from routing selection #13523

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Jul 25, 2023
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[release-17.0] ignore ongoing backfill vindex from routing selection #13523

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4 changes: 4 additions & 0 deletions go/vt/vtgate/planbuilder/operators/sharded_routing.go
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,10 @@ func newShardedRouting(vtable *vindexes.Table, id semantics.TableSet) Routing {

}
for _, columnVindex := range vtable.ColumnVindexes {
// ignore any backfilling vindexes from vindex selection.
if columnVindex.IsBackfilling() {
continue
}
routing.VindexPreds = append(routing.VindexPreds, &VindexPlusPredicates{ColVindex: columnVindex, TableID: id})
}
return routing
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193 changes: 0 additions & 193 deletions go/vt/vtgate/planbuilder/plan_test.go
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Expand Up @@ -52,199 +52,6 @@ import (
"vitess.io/vitess/go/vt/vtgate/vindexes"
)

// hashIndex is a functional, unique Vindex.
type hashIndex struct{ name string }

func (v *hashIndex) String() string { return v.name }

func (*hashIndex) Cost() int { return 1 }

func (*hashIndex) IsUnique() bool { return true }

func (*hashIndex) NeedsVCursor() bool { return false }

func (*hashIndex) Verify(context.Context, vindexes.VCursor, []sqltypes.Value, [][]byte) ([]bool, error) {
return []bool{}, nil
}

func (*hashIndex) Map(ctx context.Context, vcursor vindexes.VCursor, ids []sqltypes.Value) ([]key.Destination, error) {
return nil, nil
}

func newHashIndex(name string, _ map[string]string) (vindexes.Vindex, error) {
return &hashIndex{name: name}, nil
}

// lookupIndex is a unique Vindex, and satisfies Lookup.
type lookupIndex struct{ name string }

func (v *lookupIndex) String() string { return v.name }

func (*lookupIndex) Cost() int { return 2 }

func (*lookupIndex) IsUnique() bool { return true }

func (*lookupIndex) NeedsVCursor() bool { return false }

func (*lookupIndex) Verify(context.Context, vindexes.VCursor, []sqltypes.Value, [][]byte) ([]bool, error) {
return []bool{}, nil
}

func (*lookupIndex) Map(ctx context.Context, vcursor vindexes.VCursor, ids []sqltypes.Value) ([]key.Destination, error) {
return nil, nil
}

func (*lookupIndex) Create(context.Context, vindexes.VCursor, [][]sqltypes.Value, [][]byte, bool) error {
return nil
}

func (*lookupIndex) Delete(context.Context, vindexes.VCursor, [][]sqltypes.Value, []byte) error {
return nil
}

func (*lookupIndex) Update(context.Context, vindexes.VCursor, []sqltypes.Value, []byte, []sqltypes.Value) error {
return nil
}

func newLookupIndex(name string, _ map[string]string) (vindexes.Vindex, error) {
return &lookupIndex{name: name}, nil
}

var _ vindexes.Lookup = (*lookupIndex)(nil)

// nameLkpIndex satisfies Lookup, NonUnique.
type nameLkpIndex struct{ name string }

func (v *nameLkpIndex) String() string { return v.name }

func (*nameLkpIndex) Cost() int { return 3 }

func (*nameLkpIndex) IsUnique() bool { return false }

func (*nameLkpIndex) NeedsVCursor() bool { return false }

func (*nameLkpIndex) AllowBatch() bool { return true }

func (*nameLkpIndex) AutoCommitEnabled() bool { return false }

func (*nameLkpIndex) GetCommitOrder() vtgatepb.CommitOrder { return vtgatepb.CommitOrder_NORMAL }

func (*nameLkpIndex) Verify(context.Context, vindexes.VCursor, []sqltypes.Value, [][]byte) ([]bool, error) {
return []bool{}, nil
}

func (*nameLkpIndex) Map(ctx context.Context, vcursor vindexes.VCursor, ids []sqltypes.Value) ([]key.Destination, error) {
return nil, nil
}

func (*nameLkpIndex) Create(context.Context, vindexes.VCursor, [][]sqltypes.Value, [][]byte, bool) error {
return nil
}

func (*nameLkpIndex) Delete(context.Context, vindexes.VCursor, [][]sqltypes.Value, []byte) error {
return nil
}

func (*nameLkpIndex) Update(context.Context, vindexes.VCursor, []sqltypes.Value, []byte, []sqltypes.Value) error {
return nil
}

func (v *nameLkpIndex) Query() (string, []string) {
return "select name, keyspace_id from name_user_vdx where name in ::name", []string{"name"}
}

func (*nameLkpIndex) MapResult([]sqltypes.Value, []*sqltypes.Result) ([]key.Destination, error) {
return nil, nil
}

func newNameLkpIndex(name string, _ map[string]string) (vindexes.Vindex, error) {
return &nameLkpIndex{name: name}, nil
}

var _ vindexes.Vindex = (*nameLkpIndex)(nil)

var _ vindexes.Lookup = (*nameLkpIndex)(nil)

var _ vindexes.LookupPlanable = (*nameLkpIndex)(nil)

// costlyIndex satisfies Lookup, NonUnique.
type costlyIndex struct{ name string }

func (v *costlyIndex) String() string { return v.name }

func (*costlyIndex) Cost() int { return 10 }

func (*costlyIndex) IsUnique() bool { return false }

func (*costlyIndex) NeedsVCursor() bool { return false }

func (*costlyIndex) Verify(context.Context, vindexes.VCursor, []sqltypes.Value, [][]byte) ([]bool, error) {
return []bool{}, nil
}

func (*costlyIndex) Map(ctx context.Context, vcursor vindexes.VCursor, ids []sqltypes.Value) ([]key.Destination, error) {
return nil, nil
}

func (*costlyIndex) Create(context.Context, vindexes.VCursor, [][]sqltypes.Value, [][]byte, bool) error {
return nil
}

func (*costlyIndex) Delete(context.Context, vindexes.VCursor, [][]sqltypes.Value, []byte) error {
return nil
}

func (*costlyIndex) Update(context.Context, vindexes.VCursor, []sqltypes.Value, []byte, []sqltypes.Value) error {
return nil
}

func newCostlyIndex(name string, _ map[string]string) (vindexes.Vindex, error) {
return &costlyIndex{name: name}, nil
}

var _ vindexes.Vindex = (*costlyIndex)(nil)

var _ vindexes.Lookup = (*costlyIndex)(nil)

// multiColIndex satisfies multi column vindex.
type multiColIndex struct {
name string
}

func newMultiColIndex(name string, _ map[string]string) (vindexes.Vindex, error) {
return &multiColIndex{name: name}, nil
}

var _ vindexes.MultiColumn = (*multiColIndex)(nil)

func (m *multiColIndex) String() string { return m.name }

func (m *multiColIndex) Cost() int { return 1 }

func (m *multiColIndex) IsUnique() bool { return true }

func (m *multiColIndex) NeedsVCursor() bool { return false }

func (m *multiColIndex) Map(ctx context.Context, vcursor vindexes.VCursor, rowsColValues [][]sqltypes.Value) ([]key.Destination, error) {
return nil, nil
}

func (m *multiColIndex) Verify(ctx context.Context, vcursor vindexes.VCursor, rowsColValues [][]sqltypes.Value, ksids [][]byte) ([]bool, error) {
return []bool{}, nil
}

func (m *multiColIndex) PartialVindex() bool {
return true
}

func init() {
vindexes.Register("hash_test", newHashIndex)
vindexes.Register("lookup_test", newLookupIndex)
vindexes.Register("name_lkp_test", newNameLkpIndex)
vindexes.Register("costly", newCostlyIndex)
vindexes.Register("multiCol_test", newMultiColIndex)
}

func makeTestOutput(t *testing.T) string {
testOutputTempDir := utils.MakeTestOutput(t, "testdata", "plan_test")

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