Struct SchemaMigrationPlan 

pub struct SchemaMigrationPlan {
    pub changes: Vec<SchemaChange>,
    pub steps: Vec<SchemaMigrationStep>,
    pub has_breaking_changes: bool,
    pub breaking_count: usize,
    pub warning_count: usize,
    pub info_count: usize,
}

The full migration plan produced by compute_migration.

Fields

changes: Vec<SchemaChange>

All detected changes between old and new schema.

steps: Vec<SchemaMigrationStep>

Ordered list of steps to apply to reach the new schema.

has_breaking_changes: bool

true when at least one change is breaking.

breaking_count: usize

Count of breaking changes.

warning_count: usize

Count of warning-level changes.

info_count: usize

Count of info-level changes.

Implementations

impl SchemaMigrationPlan

pub fn is_empty(&self) -> bool

Returns true when no changes were detected.

pub fn num_changes(&self) -> usize

Total number of detected changes.

pub fn breaking_changes(&self) -> Vec<&SchemaChange>

Returns references to all breaking changes.

pub fn format_report(&self) -> String

Produces a multi-line human-readable summary report.

pub fn format_steps(&self) -> String

Produces a multi-line list of migration steps.

Trait Implementations

impl Clone for SchemaMigrationPlan

fn clone(&self) -> SchemaMigrationPlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaMigrationPlan

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

Formats the value using the given formatter.