Class: SelectSet

Defined in: lang-sql/src/ast/select.ts:34

One SELECT body, covering its projection, source, filter, grouping, and window definitions.

Implements

• ASTNode

Constructors

Constructor

new SelectSet(items, from?, where?, groupBy?, having?, distinct?, windows?): SelectSet

Defined in: lang-sql/src/ast/select.ts:38

Parameters

Parameter	Type	Default value	Description
items	ASTNode[]	undefined	The projection list (the expressions after SELECT).
from	ASTTableAlias | SQLIdentifier | JoinClause	null	The primary table source; null for a SELECT with no FROM.
where	ASTNode	null	WHERE predicate; null if omitted.
groupBy	GroupByClause	null	GROUP BY clause; null if omitted.
having	ASTNode	null	HAVING predicate; null if omitted.
distinct	boolean | ASTNode[]	false	false for no DISTINCT, true for DISTINCT, or an expression list for DISTINCT ON (...).
windows	Record<string, WindowSpec>	null	Named window definitions from the WINDOW clause; null if none are defined.

Returns

SelectSet

Properties

distinct

distinct: boolean | ASTNode[] = false

Defined in: lang-sql/src/ast/select.ts:50

false for no DISTINCT, true for DISTINCT, or an expression list for DISTINCT ON (...).

---

from

from: ASTTableAlias | SQLIdentifier | JoinClause = null

Defined in: lang-sql/src/ast/select.ts:42

The primary table source; null for a SELECT with no FROM.

---

groupBy

groupBy: GroupByClause = null

Defined in: lang-sql/src/ast/select.ts:46

GROUP BY clause; null if omitted.

---

having

having: ASTNode = null

Defined in: lang-sql/src/ast/select.ts:48

HAVING predicate; null if omitted.

---

items

items: ASTNode[]

Defined in: lang-sql/src/ast/select.ts:40

The projection list (the expressions after SELECT).

---

setOp?

optional setOp?: SelectSetOp

Defined in: lang-sql/src/ast/select.ts:36

Linked UNION/INTERSECT/EXCEPT operation following this set; undefined if this is the last set.

---

where

where: ASTNode = null

Defined in: lang-sql/src/ast/select.ts:44

WHERE predicate; null if omitted.

---

windows

windows: Record<string, WindowSpec> = null

Defined in: lang-sql/src/ast/select.ts:52

Named window definitions from the WINDOW clause; null if none are defined.

Methods

accept()

accept<Ret, Arg>(visitor, arg?): Ret

Defined in: lang-sql/src/ast/select.ts:55

Dispatches this node to the matching method on visitor.

Type Parameters

Type Parameter
Ret
Arg

Parameters

Parameter	Type
visitor	SQLVisitor<Ret, Arg>
arg?	Arg

Returns

Ret

Implementation of

ASTNode.accept