Method derive_with_dialect_alias

datafusion/sql/src/unparser/plan.rs:359–377

(
        &self,
        alias: &str,
        plan: &LogicalPlan,
        relation: &mut RelationBuilder,
        lateral: bool,
        columns: Vec<Ident>,
    )

    }

    fn derive_with_dialect_alias(
        &self,
        alias: &str,
        plan: &LogicalPlan,
        relation: &mut RelationBuilder,
        lateral: bool,
        columns: Vec<Ident>,
    ) -> Result<()> {
        if self.dialect.requires_derived_table_alias() || !columns.is_empty() {
            self.derive(
                plan,
                relation,
                Some(self.new_table_alias(alias.to_string(), columns)),
                lateral,
            )
        } else {
            self.derive(plan, relation, None, lateral)
        }
    }

    /// Projection unparsing when [`super::dialect::Dialect::unnest_as_lateral_flatten`] is enabled:
    /// Snowflake-style `LATERAL FLATTEN` for unnest (not other dialect spellings).