message: Remove `clone` in plan/ `check_table_factor`
diff: @@ -140,15 +140,15 @@ fn check_table_factor(context: Option<Rc<Context<'_>>>, table_factor: &TableFact
  let alias = match table_factor {
  TableFactor::Table { name, alias, .. } => alias
  .as_ref()
  - .map(|TableAlias { name, .. }| name.clone())
  - .unwrap_or_else(|| name.clone()),
  + .map(|TableAlias { name, .. }| name)
  + .unwrap_or_else(|| name),
  TableFactor::Derived { alias, .. }
  | TableFactor::Series { alias, .. }
  - | TableFactor::Dictionary { alias, .. } => alias.name.to_owned(),
  + | TableFactor::Dictionary { alias, .. } => &alias.name,
  };
  context
  - .map(|context| context.contains_alias(&alias))
  + .map(|context| context.contains_alias(alias))
  .unwrap_or(false)
  }
  