Type Alias Alias

Represent an aliased expression (expr AS name).

Used for column aliases in select-lists, table aliases on subqueries, and column alias lists on table-valued expressions (e.g. AS t(c1, c2)).

type Alias = {
    alias: Identifier;
    column_aliases: Identifier[];
    pre_alias_comments: string[];
    this: Expression;
    trailing_comments: string[];
}

Properties

The alias name (required for simple aliases, optional when only column aliases provided)

column_aliases: Identifier[]

Optional column aliases for table-valued functions: AS t(col1, col2) or AS (col1, col2)

pre_alias_comments: string[]

Comments that appeared between the expression and AS keyword

The expression being aliased.

trailing_comments: string[]

Trailing comments that appeared after the alias