Module diff 

Schema diff engine for auto-migration generation.

Compares an “old” (current DB) and “new” (desired from code) SchemaSnapshot and produces a Vec<Operation> representing the DDL changes needed to migrate from old to new.

Structs

SchemaDiff

Result of comparing two schema snapshots.

Enums

AmbiguousChange

A change that cannot be automatically resolved and requires user intervention.

DiffWarning

Informational warnings about changes that the diff engine detected but cannot (or should not) translate into DDL operations automatically.

Functions

auto_diff_schema

Compares two full schema snapshots and produces the operations needed to migrate from current to desired.

auto_diff_table

Compares a single table’s current snapshot against the desired schema derived from a #[derive(Table)] struct.