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RowLocatorError

Enum RowLocatorError 

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pub enum RowLocatorError {
    TooShort {
        got: usize,
        need: usize,
    },
    BadTag {
        got: u8,
    },
    TruncatedCold {
        got: usize,
        need: usize,
    },
    LegacyIndexOverflow(String),
}
Expand description

Errors surfaced by RowLocator::read_le when the byte slice doesn’t match either tagged variant layout.

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TooShort

Slice was shorter than the minimum tagged-variant length.

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§got: usize
§need: usize
§

BadTag

Tag byte wasn’t TAG_HOT (0x00) or TAG_COLD (0x01).

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§got: u8
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TruncatedCold

Caller used read_le with a Cold payload but the slice stopped before the 8 bytes of (segment_id, page_offset).

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§got: usize
§need: usize
§

LegacyIndexOverflow(String)

Catalog format v8 fallback: caller asked read_le_legacy_u64 to wrap a row index that doesn’t fit in usize on this target (a 32-bit target reading a v8 catalog with > 4 G rows per table). Surface explicitly rather than wrapping.

Trait Implementations§

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impl Debug for RowLocatorError

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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 RowLocatorError

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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 Eq for RowLocatorError

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impl PartialEq for RowLocatorError

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for RowLocatorError

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Blanket 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> Borrow<T> for T
where T: ?Sized,

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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
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.