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Change major db version check (#3241)

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* remove major jump check

* remove major jump check
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Alex Sharov 2022-01-12 20:30:23 +07:00 committed by GitHub
parent c0db9295b8
commit db7fa3d0ed
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1 changed files with 4 additions and 3 deletions
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7
migrations/migrations.go
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@ -14,6 +14,8 @@ import (
"github.com/ugorji/go/codec" "github.com/ugorji/go/codec"
) )
const MIN_MAJOR_VERSION = 3 // DB migrations before this number are removed - no way to migrate
// migrations apply sequentially in order of this array, skips applied migrations // migrations apply sequentially in order of this array, skips applied migrations
// it allows - don't worry about merge conflicts and use switch branches // it allows - don't worry about merge conflicts and use switch branches
// see also dbutils.Migrations - it stores context in which each transaction was exectured - useful for bug-reports // see also dbutils.Migrations - it stores context in which each transaction was exectured - useful for bug-reports
@ -146,9 +148,8 @@ func (m *Migrator) Apply(db kv.RwDB, datadir string) error {
return fmt.Errorf("cannot downgrade minor DB version from %d.%d to %d.%d", major, minor, kv.DBSchemaVersion.Major, kv.DBSchemaVersion.Major) return fmt.Errorf("cannot downgrade minor DB version from %d.%d to %d.%d", major, minor, kv.DBSchemaVersion.Major, kv.DBSchemaVersion.Major)
} }
} else { } else {
// major < kv.DBSchemaVersion.Major if major < MIN_MAJOR_VERSION {
if kv.DBSchemaVersion.Major-major > 1 { return fmt.Errorf("cannot upgrade major DB version from %d, minimum allowed version of db to apply DB migrations is %d, use integration tool if you know what you are doing", major, MIN_MAJOR_VERSION)
return fmt.Errorf("cannot upgrade major DB version for more than 1 version from %d to %d, use integration tool if you know what you are doing", major, kv.DBSchemaVersion.Major)
} }
} }
} }