Enum LintCategory 

pub enum LintCategory {
    DestructiveDrop,
    AddNotNullNoDefault,
    UnsafeNotNull,
    TypeNarrowing,
    DangerousRename,
    BlockingIndex,
}

A category of real PostgreSQL migration risk (PROGRAM.md AP2.1-6).

Variants

DestructiveDrop

DROP TABLE / DROP COLUMN / DROP INDEX / DROP SCHEMA / DROP CONSTRAINT — destructive, irreversible data loss.

AddNotNullNoDefault

ADD COLUMN ... NOT NULL without a DEFAULT — fails on existing rows and breaks rolling upgrades (old app instances still write the column).

UnsafeNotNull

ALTER ... SET NOT NULL without a preceding default — table rewrite, fails on existing NULL values, blocks writes during the rewrite.

TypeNarrowing

ALTER COLUMN ... TYPE — may narrow the value domain or rewrite the table; requires review for compatibility.

DangerousRename

RENAME TABLE / RENAME COLUMN — breaks code referencing the old name and complicates rolling upgrades.

BlockingIndex

CREATE INDEX (without CONCURRENTLY) — blocks writes for the duration of the build; a rolling-upgrade hazard on large tables.

Trait Implementations

impl Clone for LintCategory

fn clone(&self) -> LintCategory

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for LintCategory

impl Debug for LintCategory

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

Formats the value using the given formatter.

impl Display for LintCategory

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

Formats the value using the given formatter.

impl Eq for LintCategory

impl PartialEq for LintCategory

fn eq(&self, other: &LintCategory) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for LintCategory

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for LintCategory