proof_of_sql::base::database

Enum OwnedColumnError

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pub enum OwnedColumnError {
    TypeCastError {
        from_type: ColumnType,
        to_type: ColumnType,
    },
    ScalarConversionError {
        error: String,
    },
    Unsupported {
        error: String,
    },
}
Expand description

Errors from operations related to OwnedColumns.

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TypeCastError

Can not perform type casting.

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§from_type: ColumnType

The type from which we are trying to cast.

§to_type: ColumnType

The type to which we are trying to cast.

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ScalarConversionError

Error in converting scalars to a given column type.

Fields

§error: String

The underlying error

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Unsupported

Unsupported operation.

Fields

§error: String

The underlying error

Trait Implementations§

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impl Debug for OwnedColumnError

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

Formats the value using the given formatter. Read more
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impl Display for OwnedColumnError

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

Formats the value using the given formatter. Read more
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impl Error for OwnedColumnError
where Self: Debug + Display,

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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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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. Read more
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impl ErrorCompat for OwnedColumnError

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fn backtrace(&self) -> Option<&Backtrace>

Returns a Backtrace that may be printed.
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fn iter_chain(&self) -> ChainCompat<'_, '_>
where Self: AsErrorSource,

Returns an iterator for traversing the chain of errors, starting with the current error and continuing with recursive calls to Error::source. Read more
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impl From<OwnedColumnError> for PostprocessingError

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fn from(error: OwnedColumnError) -> Self

Converts to this type from the input type.
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impl PartialEq for OwnedColumnError

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for OwnedColumnError

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impl StructuralPartialEq for OwnedColumnError

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> AsErrorSource for T
where T: Error + 'static,

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fn as_error_source(&self) -> &(dyn Error + 'static)

For maximum effectiveness, this needs to be called as a method to benefit from Rust’s automatic dereferencing of method receivers.
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impl<T> Borrow<T> for T
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn from(t: T) -> T

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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