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db: remove unused RunApplyOpsCreateIndex function #958

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Merged
mmcclimon merged 1 commit into from
Mar 27, 2026
Merged

db: remove unused RunApplyOpsCreateIndex function #958

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44 changes: 0 additions & 44 deletions common/db/command.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ import (
"context"
"fmt"

"github.com/mongodb/mongo-tools/common/bsonutil"
"go.mongodb.org/mongo-driver/v2/bson"
mopt "go.mongodb.org/mongo-driver/v2/mongo/options"
)
Expand Down Expand Up @@ -243,46 +242,3 @@ func ApplyFlags(opts *mopt.FindOneOptionsBuilder, flags int) {
opts.SetOplogReplay(true)
}
}

// RunApplyOpsCreateIndex will create index using applyOps.
// For versions that support collection UUIDs (<3.6) it uses an insert to system indexes.
// Later versions use the createIndexes command.
func (sp *SessionProvider) RunApplyOpsCreateIndex(
C, DB string,
index bson.D,
UUID *bson.Binary,
result *any,
) error {
var op Oplog

// Add an index version if it is missing. An index version could be missing because
// a tool stripped it out (e.g. mongorestore strips out versions before attempting createIndex)
// or because the index came from an oplog entry from versions <3.4.
_, err := bsonutil.FindValueByKey("v", &index)
if err != nil {
index = append(index, bson.E{Key: "v", Value: 1})
}

if UUID != nil {
o := append(bson.D{{Key: "createIndexes", Value: C}}, index...)

op = Oplog{
Operation: "c",
Namespace: fmt.Sprintf("%s.$cmd", DB),
Object: o,
UI: UUID,
}
} else {
op = Oplog{
Operation: "i",
Namespace: fmt.Sprintf("%s.system.indexes", DB),
Object: index,
}
}

err = sp.Run(bson.D{{Key: "applyOps", Value: []Oplog{op}}}, result, DB)
if err != nil {
return fmt.Errorf("error building index: %v", err)
}
return nil
}