Enum DbErrorKind 

pub enum DbErrorKind {
    NotYetImplemented(String),
    BadValuePair(String, ValueType),
    BadSQLValuePair(SqlValue, i32),
    BadBootstrapDefinition(String),
    BadSchemaAssertion(String),
    UnrecognizedIdent(String),
    UnrecognizedEntid(Entid),
    UnallocatedEntid(Entid),
    UnknownAttribute(Entid),
    CannotCacheNonUniqueAttributeInReverse(Entid),
    SchemaAlterationFailed(String),
    SchemaConstraintViolation(SchemaConstraintViolation),
    InputError(InputError),
    WrongTypeValueForFtsAssertion,
    CacheUpdateFailed,
    CouldNotSetVersionPragma,
    CouldNotGetVersionPragma,
    CouldNotSearch,
    TxInsertFailedToAddMissingDatoms,
    TxInsertFailedToRetractDatoms,
    DatomsUpdateFailedToRetract,
    DatomsUpdateFailedToAdd,
    FailedToCreateTempTables,
    NonFtsInsertionIntoTempSearchTableFailed,
    FtsInsertionFailed,
    FtsInsertionIntoTempSearchTableFailed,
    FtsFailedToDropSearchIds,
    FailedToUpdatePartitionMap,
    TimelinesMixed,
    TimelinesMoveToNonEmpty,
    TimelinesInvalidRange,
    CasMismatch {
        e: i64,
        a: i64,
        expected: Option<String>,
        actual: Option<String>,
    },
    RusqliteError(String),
}

Variants

NotYetImplemented(String)

We’re just not done yet. Recognized a feature that is not yet implemented.

BadValuePair(String, ValueType)

We’ve been given a value that isn’t the correct Mentat type.

BadSQLValuePair(SqlValue, i32)

We’ve got corrupt data in the SQL store: a value and value_type_tag don’t line up. TODO _1.data_type()

BadBootstrapDefinition(String)

The SQLite store user_version isn’t recognized. This could be an old version of Mentat trying to open a newer version SQLite store; or it could be a corrupt file; or … #[fail(display = “bad SQL store user_version: {}”, _0)] BadSQLiteStoreVersion(i32), A bootstrap definition couldn’t be parsed or installed. This is a programmer error, not a runtime error.

BadSchemaAssertion(String)

A schema assertion couldn’t be parsed.

UnrecognizedIdent(String)

An ident->entid mapping failed.

UnrecognizedEntid(Entid)

An entid->ident mapping failed.

UnallocatedEntid(Entid)

Tried to transact an entid that isn’t allocated.

UnknownAttribute(Entid)

CannotCacheNonUniqueAttributeInReverse(Entid)

SchemaAlterationFailed(String)

SchemaConstraintViolation(SchemaConstraintViolation)

A transaction tried to violate a constraint of the schema of the Mentat store.

InputError(InputError)

The transaction was malformed in some way (that was not recognized at parse time; for example, in a way that is schema-dependent).

WrongTypeValueForFtsAssertion

CacheUpdateFailed

CouldNotSetVersionPragma

CouldNotGetVersionPragma

CouldNotSearch

TxInsertFailedToAddMissingDatoms

TxInsertFailedToRetractDatoms

DatomsUpdateFailedToRetract

DatomsUpdateFailedToAdd

FailedToCreateTempTables

NonFtsInsertionIntoTempSearchTableFailed

FtsInsertionFailed

FtsInsertionIntoTempSearchTableFailed

FtsFailedToDropSearchIds

FailedToUpdatePartitionMap

TimelinesMixed

TimelinesMoveToNonEmpty

TimelinesInvalidRange

CasMismatch

A :db.fn/cas (compare-and-swap) found the current value of [e a] did not match the expected old value, so the swap was rejected and the whole transaction aborts. expected/actual are None when the value is nil/absent.

Fields

e: i64

a: i64

expected: Option<String>

actual: Option<String>

RusqliteError(String)

Trait Implementations

impl Clone for DbErrorKind

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 DbErrorKind

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

Formats the value using the given formatter.

impl Display for DbErrorKind

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

Formats the value using the given formatter.

impl Error for DbErrorKind

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<DbErrorKind> for DbError

fn from(kind: DbErrorKind) -> Self

Converts to this type from the input type.

impl PartialEq for DbErrorKind

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for DbErrorKind