Function plan_set_expr

nodedb-sql/src/planner/union.rs:54–95

(
    expr: &SetExpr,
    catalog: &dyn SqlCatalog,
    functions: &FunctionRegistry,
    temporal: crate::TemporalScope,
)

}

fn plan_set_expr(
    expr: &SetExpr,
    catalog: &dyn SqlCatalog,
    functions: &FunctionRegistry,
    temporal: crate::TemporalScope,
) -> Result<SqlPlan> {
    match expr {
        SetExpr::Select(select) => {
            // Wrap in a dummy Query to reuse plan_query.
            let query = ast::Query {
                with: None,
                body: Box::new(SetExpr::Select(select.clone())),
                order_by: None,
                limit_clause: None,
                fetch: None,
                locks: Vec::new(),
                for_clause: None,
                settings: None,
                format_clause: None,
                pipe_operators: Vec::new(),
            };
            super::select::plan_query(&query, catalog, functions, temporal)
        }
        SetExpr::SetOperation {
            op,
            left,
            right,
            set_quantifier,
        } => plan_set_operation(
            op,
            left,
            right,
            set_quantifier,
            catalog,
            functions,
            temporal,
        ),
        _ => Err(SqlError::Unsupported {
            detail: format!("set expression: {expr}"),
        }),
    }
}