Enum CheckResult 

pub enum CheckResult {
    UpToDate {
        version: Version,
    },
    UpgradeAvailable {
        from: Version,
        to: Version,
        migrations: Vec<String>,
    },
    Downgrade {
        db: Version,
        binary: Version,
    },
    Unversioned {
        implicit: Version,
    },
    Corrupt(String),
}

Result of check() — what a consumer should do at startup.

Variants

UpToDate

Stored version equals target, or target reachable with zero migrations.

Fields

version: Version

UpgradeAvailable

Stored version predates target and migrations exist.

Fields

from: Version

to: Version

migrations: Vec<String>

Downgrade

The .db schema is newer than this binary knows about.

Fields

db: Version

binary: Version

Unversioned

No /_meta/schema_version sentinel — pre-0.4 database.

Fields

implicit: Version

Corrupt(String)

Corrupt/unparseable meta sentinel.

Trait Implementations

impl Clone for CheckResult

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CheckResult

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.