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merged 1 commit into from
Aug 24, 2023
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cmd/utils: fix a startup issue on deleted chaindata but dangling anci… #1689

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6 changes: 3 additions & 3 deletions core/rawdb/database.go
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Original file line number Diff line number Diff line change
Expand Up @@ -326,10 +326,10 @@ const (
dbLeveldb = "leveldb"
)

// hasPreexistingDb checks the given data directory whether a database is already
// PreexistingDatabase checks the given data directory whether a database is already
// instantiated at that location, and if so, returns the type of database (or the
// empty string).
func hasPreexistingDb(path string) string {
func PreexistingDatabase(path string) string {
if _, err := os.Stat(filepath.Join(path, "CURRENT")); err != nil {
return "" // No pre-existing db
}
Expand Down Expand Up @@ -367,7 +367,7 @@ func openKeyValueDatabase(o OpenOptions) (ctxcdb.Database, error) {
}
// Retrieve any pre-existing database's type and use that or the requested one
// as long as there's no conflict between the two types
existingDb := hasPreexistingDb(o.Directory)
existingDb := PreexistingDatabase(o.Directory)
if len(existingDb) != 0 && len(o.Type) != 0 && o.Type != existingDb {
return nil, fmt.Errorf("db.engine choice was %v but found pre-existing %v database in specified data directory", o.Type, existingDb)
}
Expand Down