Struct Context 

pub struct Context<'a> { /* private fields */ }

Shared context passed to all diff computations.

Holds references to both the previous and next db::Schema versions and the RenameHints that guide rename detection.

Examples

use toasty_core::schema::{db, diff};

let previous = db::Schema::default();
let next = db::Schema::default();
let hints = diff::RenameHints::new();
let cx = diff::Context::new(&previous, &next, &hints);
assert!(cx.previous().tables.is_empty());

Implementations

impl<'a> Context<'a>

pub fn new( previous: &'a DbSchema, next: &'a DbSchema, rename_hints: &'a RenameHints, ) -> Self

Creates a new diff context from the previous schema, the next schema, and the rename hints that map old IDs to new IDs.

pub fn rename_hints(&self) -> &'a RenameHints

Returns the rename hints for this diff.

pub fn previous(&self) -> &'a DbSchema

Returns the schema before the change.

pub fn next(&self) -> &'a DbSchema

Returns the schema after the change.