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Placeholder Class — drizzle-orm Architecture

Architecture documentation for the Placeholder class in sql.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  55da4780_0968_d4d2_1450_384edcf5421d["Placeholder"]
  99347ab2_b1a1_faf4_e37c_7643e4b2eb8a["sql.ts"]
  55da4780_0968_d4d2_1450_384edcf5421d -->|defined in| 99347ab2_b1a1_faf4_e37c_7643e4b2eb8a
  2aa8a264_6474_285d_5baa_81c3929b3158["constructor()"]
  55da4780_0968_d4d2_1450_384edcf5421d -->|method| 2aa8a264_6474_285d_5baa_81c3929b3158
  47ede923_c730_d2aa_60bc_6c188ebbd991["getSQL()"]
  55da4780_0968_d4d2_1450_384edcf5421d -->|method| 47ede923_c730_d2aa_60bc_6c188ebbd991

Relationship Graph

Source Code

drizzle-orm/src/sql/sql.ts lines 595–605

export class Placeholder<TName extends string = string, TValue = any> implements SQLWrapper {
	static readonly [entityKind]: string = 'Placeholder';

	declare protected: TValue;

	constructor(readonly name: TName) {}

	getSQL(): SQL {
		return new SQL([this]);
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the Placeholder class?
Placeholder is a class in the drizzle-orm codebase, defined in drizzle-orm/src/sql/sql.ts.
Where is Placeholder defined?
Placeholder is defined in drizzle-orm/src/sql/sql.ts at line 595.

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