Struct MigrationStep 

pub struct MigrationStep {
    pub step: usize,
    pub operation: MigrationOperation,
    pub schema: String,
    pub table: Option<String>,
    pub object: String,
    pub object_type: String,
    pub description: String,
    pub ddl: Option<String>,
    pub safety: MigrationSafety,
    pub risk: MigrationRisk,
    pub risk_detail: Option<String>,
}

One step in a migration plan: a DDL statement with metadata.

Fields

step: usize

operation: MigrationOperation

schema: String

table: Option<String>

object: String

Column name, index name, FK constraint name, enum name, etc.

object_type: String

“column” | “table” | “index” | “foreign_key” | “enum” | “enum_value” | “schema”

description: String

ddl: Option<String>

The SQL to execute. None for WarnOnly steps.

safety: MigrationSafety

risk: MigrationRisk

risk_detail: Option<String>

Trait Implementations

impl Clone for MigrationStep

fn clone(&self) -> MigrationStep

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MigrationStep

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MigrationStep

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MigrationStep

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

where __S: Serializer,

Serialize this value into the given Serde serializer.