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PendingOp

Enum PendingOp 

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pub enum PendingOp {
    Insert {
        key: ObjectKey,
        table: &'static str,
        columns: Vec<&'static str>,
        values: Vec<Value>,
    },
    Update {
        key: ObjectKey,
        table: &'static str,
        pk_columns: Vec<&'static str>,
        pk_values: Vec<Value>,
        set_columns: Vec<&'static str>,
        set_values: Vec<Value>,
    },
    Delete {
        key: ObjectKey,
        table: &'static str,
        pk_columns: Vec<&'static str>,
        pk_values: Vec<Value>,
    },
}
Expand description

A pending database operation.

Variants§

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Insert

Insert a new row.

Fields

§key: ObjectKey

Object key for identity map.

§table: &'static str

Table name.

§columns: Vec<&'static str>

Column names.

§values: Vec<Value>

Values to insert.

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Update

Update an existing row.

Fields

§key: ObjectKey

Object key for identity map.

§table: &'static str

Table name.

§pk_columns: Vec<&'static str>

Primary key column names.

§pk_values: Vec<Value>

Primary key values.

§set_columns: Vec<&'static str>

Columns to update (only dirty ones).

§set_values: Vec<Value>

New values for dirty columns.

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Delete

Delete an existing row.

Fields

§key: ObjectKey

Object key for identity map.

§table: &'static str

Table name.

§pk_columns: Vec<&'static str>

Primary key column names.

§pk_values: Vec<Value>

Primary key values.

Implementations§

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impl PendingOp

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pub fn table(&self) -> &'static str

Get the table name for this operation.

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pub fn key(&self) -> ObjectKey

Get the object key for this operation.

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pub fn is_insert(&self) -> bool

Check if this is an insert operation.

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pub fn is_update(&self) -> bool

Check if this is an update operation.

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pub fn is_delete(&self) -> bool

Check if this is a delete operation.

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pub fn to_sql(&self) -> String

Generate the SQL that would be executed for this operation.

This is useful for testing and debugging. For INSERT, this generates a single-row insert. For DELETE/UPDATE, the SQL matches what would be executed for a single operation.

Returns a descriptive error string for invalid operations (e.g., empty pk_columns for DELETE/UPDATE, empty set_columns for UPDATE).

Trait Implementations§

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impl Clone for PendingOp

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fn clone(&self) -> PendingOp

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

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

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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<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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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
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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> Instrument for T

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fn instrument(self, _span: NoopSpan) -> Self

Instruments this future with a span (no-op when disabled).
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fn in_current_span(self) -> Self

Instruments this future with the current span (no-op when disabled).
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fn instrument(self, span: Span) -> Instrumented<Self>

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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> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for 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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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