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ColumnChange

faucet_stream

Struct ColumnChange 

Source 
pub struct ColumnChange {
    pub name: String,
    pub from: Option<Value>,
    pub to: Value,
}
Expand description

One column’s drift, expressed in JSON-Schema type-fragment terms (e.g. {"type":"integer"} or {"type":["string","null"]}).

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§name: String

Top-level column name.

§from: Option<Value>

Destination type fragment; None for an addition (not in destination).

§to: Value

Inferred type fragment from the incoming page.

Trait Implementations§

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impl Clone for ColumnChange

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fn clone(&self) -> ColumnChange

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ColumnChange

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

Formats the value using the given formatter. Read more
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impl PartialEq for ColumnChange

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fn eq(&self, other: &ColumnChange) -> 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 ColumnChange

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impl<T> Allocation for T
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impl<T> Allocation for T
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where T: CastFrom<U>, U: Sized,

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Convenient wrapper for std::any::type_name, since Any does not provide it and Any::type_id is useless as a debugging aid (its Debug is just a mess of hex digits).
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fn as_any(&self) -> &(dyn Any + 'static)

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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

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fn type_name(&self) -> &'static str

Gets the type name of self
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Immutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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Causes self to use its Binary implementation when Debug-formatted.
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where Self: LowerExp,

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Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

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where Self: Pointer,

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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

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where &'a Self: for<'a> IntoIterator,

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Returns the argument unchanged.

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