Struct FlattenRelationBuilder 

pub struct FlattenRelationBuilder {
    pub alias: Option<TableAlias>,
    pub input_expr: Option<Expr>,
    pub outer: bool,
}

Available on crate feature unparser only.

Builds a LATERAL FLATTEN(INPUT => expr, OUTER => bool) table factor for Snowflake-style unnesting.

Fields

alias: Option<TableAlias>

input_expr: Option<Expr>

The input expression to flatten (e.g. a column reference).

outer: bool

Whether to preserve rows for NULL/empty inputs (Snowflake OUTER param).

Implementations

impl FlattenRelationBuilder

pub fn alias(&mut self, value: Option<TableAlias>) -> &mut Self

pub fn input_expr(&mut self, value: Expr) -> &mut Self

pub fn outer(&mut self, value: bool) -> &mut Self

pub fn build(&self) -> Result<TableFactor, BuilderError>

Trait Implementations

impl Clone for FlattenRelationBuilder

fn clone(&self) -> FlattenRelationBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for FlattenRelationBuilder

fn default() -> Self

Returns the “default value” for a type.