Enum DiffOp 

pub enum DiffOp {
    AddColumn(DeclaredColumnContract),
    DropColumn(String),
    TypeChange {
        name: String,
        from: DeclaredColumnContract,
        to: DeclaredColumnContract,
    },
}

One operation in a schema diff.

Variants

AddColumn(DeclaredColumnContract)

Column present in target but not in current.

DropColumn(String)

Column present in current but not in target.

TypeChange

Same name, different shape — emitted as a single TypeChange so callers can render DROP + ADD or a future ALTER COLUMN ... TYPE ... form.

Fields

name: String

from: DeclaredColumnContract

to: DeclaredColumnContract

Trait Implementations

impl Clone for DiffOp

fn clone(&self) -> DiffOp

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DiffOp

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

Formats the value using the given formatter.