Function extract_table_alias

nodedb-sql/src/planner/cte.rs:487–492

(relation: &ast::TableFactor)

}

fn extract_table_alias(relation: &ast::TableFactor) -> Option<String> {
    match relation {
        ast::TableFactor::Table { alias, .. } => alias.as_ref().map(|a| normalize_ident(&a.name)),
        _ => None,
    }
}

fn extract_join_on_condition(op: &ast::JoinOperator) -> Option<&ast::Expr> {
    use ast::JoinOperator::*;