ReadonlyCTEThe CTE a table source refers to; null otherwise.
ReadonlyKindReadonlyNameThe name a qualifier uses: the alias, or a table's last name part; null when it has none.
ReadonlyNameWhether Name is the table or CTE name itself (no alias was written).
ReadonlyNameThe identifier Name was read from; null when there is none.
ReadonlySource
One FROM source visible in a select block, with the name qualifiers use for it.