Optionalinferred_Inferred data type from type annotation
Oracle-style join marker (+) for outer joins
The column name.
OptionalspanSource position span
Optional table qualifier (e.g. t in t.col).
Trailing comments that appeared after this column reference
Represent a column reference, optionally qualified by a table name.
Renders as
namewhen unqualified, ortable.namewhen qualified. Use [Expression::column()] or [Expression::qualified_column()] for convenient construction.