Struct AlterTable 

pub struct AlterTable {
    pub table: String,
    pub ops: Vec<AlterOp>,
    pub only: bool,
    pub if_exists: bool,
}

Fluent builder for ALTER TABLE statements

Fields

table: String

Target table.

ops: Vec<AlterOp>

Queued operations.

only: bool

ALTER TABLE ONLY.

if_exists: bool

IF EXISTS.

Implementations

impl AlterTable

pub fn new(table: impl Into<String>) -> Self

Create a new ALTER TABLE builder

pub fn only(self) -> Self

ALTER TABLE ONLY (no child tables)

pub fn if_exists(self) -> Self

ALTER TABLE IF EXISTS

pub fn add_column(self, col: Column) -> Self

ADD COLUMN

pub fn drop_column(self, name: impl Into<String>) -> Self

DROP COLUMN

pub fn drop_column_cascade(self, name: impl Into<String>) -> Self

DROP COLUMN CASCADE

pub fn rename_column( self, from: impl Into<String>, to: impl Into<String>, ) -> Self

RENAME COLUMN old TO new

pub fn set_type(self, column: impl Into<String>, new_type: ColumnType) -> Self

ALTER COLUMN TYPE.

pub fn set_type_using( self, column: impl Into<String>, new_type: ColumnType, using: impl Into<String>, ) -> Self

ALTER COLUMN TYPE … USING expression.

pub fn set_not_null(self, column: impl Into<String>) -> Self

ALTER COLUMN SET NOT NULL

pub fn drop_not_null(self, column: impl Into<String>) -> Self

ALTER COLUMN DROP NOT NULL

pub fn set_default( self, column: impl Into<String>, expr: impl Into<String>, ) -> Self

ALTER COLUMN SET DEFAULT.

pub fn drop_default(self, column: impl Into<String>) -> Self

ALTER COLUMN DROP DEFAULT.

pub fn add_constraint( self, name: impl Into<String>, constraint: TableConstraint, ) -> Self

ADD CONSTRAINT.

pub fn drop_constraint(self, name: impl Into<String>) -> Self

DROP CONSTRAINT.

pub fn drop_constraint_cascade(self, name: impl Into<String>) -> Self

DROP CONSTRAINT CASCADE.

pub fn rename_to(self, name: impl Into<String>) -> Self

RENAME TABLE TO.

pub fn set_schema(self, schema: impl Into<String>) -> Self

SET SCHEMA.

pub fn enable_rls(self) -> Self

ENABLE ROW LEVEL SECURITY.

pub fn disable_rls(self) -> Self

DISABLE ROW LEVEL SECURITY.

pub fn force_rls(self) -> Self

FORCE ROW LEVEL SECURITY — policies apply even to table owner.

pub fn no_force_rls(self) -> Self

NO FORCE ROW LEVEL SECURITY — owner bypasses policies (default).

Trait Implementations

impl Clone for AlterTable

fn clone(&self) -> AlterTable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AlterTable

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

Formats the value using the given formatter.