NoMigration

zebra_state::service::finalized_state::disk_format::upgrade::no_migration

Struct NoMigration 

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pub struct NoMigration {
    description: &'static str,
    version: Version,
}
Expand description

Implements DiskFormatUpgrade for in-place upgrades that do not involve any migration of existing data into the new format.

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§description: &'static str§version: Version

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impl NoMigration

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pub fn new(description: &'static str, version: Version) -> Self

Creates a new instance of the NoMigration upgrade.

Trait Implementations§

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impl DiskFormatUpgrade for NoMigration

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fn version(&self) -> Version

Returns the version at which this upgrade is applied.
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fn description(&self) -> &'static str

Returns the description of this upgrade.
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fn run( &self, _initial_tip_height: Height, _db: &ZebraDb, _cancel_receiver: &Receiver<CancelFormatChange>, ) -> Result<(), CancelFormatChange>

Runs disk format upgrade.
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fn needs_migration(&self) -> bool

Returns true if the DiskFormatUpgrade needs to run a migration on existing data in the db.
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fn validate( &self, _db: &ZebraDb, _cancel_receiver: &Receiver<CancelFormatChange>, ) -> Result<Result<(), String>, CancelFormatChange>

Check that state has been upgraded to this format correctly. Read more
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fn prepare( &self, _initial_tip_height: Height, _upgrade_db: &ZebraDb, _cancel_receiver: &Receiver<CancelFormatChange>, _older_disk_version: &Version, ) -> Result<(), CancelFormatChange>

Prepare for disk format upgrade.
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fn is_reusable_major_upgrade(&self) -> bool

Returns true if the upgrade is a major upgrade that can reuse the cache in the previous major db format version.

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