github.com/xxRanger/go-ethereum@v1.8.23/swarm/storage/schema.go (about)

     1  package storage
     2  
     3  // The DB schema we want to use. The actual/current DB schema might differ
     4  // until migrations are run.
     5  const CurrentDbSchema = DbSchemaHalloween
     6  
     7  // There was a time when we had no schema at all.
     8  const DbSchemaNone = ""
     9  
    10  // "purity" is the first formal schema of LevelDB we release together with Swarm 0.3.5
    11  const DbSchemaPurity = "purity"
    12  
    13  // "halloween" is here because we had a screw in the garbage collector index.
    14  // Because of that we had to rebuild the GC index to get rid of erroneous
    15  // entries and that takes a long time. This schema is used for bookkeeping,
    16  // so rebuild index will run just once.
    17  const DbSchemaHalloween = "halloween"