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UniqueConstraint Class — drizzle-orm Architecture

Architecture documentation for the UniqueConstraint class in unique-constraint.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  cdfb80ae_1bcb_3894_42c3_47bed6ff1190["UniqueConstraint"]
  a9239128_c513_6b37_89dd_e9bbc3987391["unique-constraint.ts"]
  cdfb80ae_1bcb_3894_42c3_47bed6ff1190 -->|defined in| a9239128_c513_6b37_89dd_e9bbc3987391
  f30b1a5c_44f0_fd5c_1fab_5e620175c677["constructor()"]
  cdfb80ae_1bcb_3894_42c3_47bed6ff1190 -->|method| f30b1a5c_44f0_fd5c_1fab_5e620175c677
  58a13602_49c4_c81c_80f1_a748c5e6c862["getName()"]
  cdfb80ae_1bcb_3894_42c3_47bed6ff1190 -->|method| 58a13602_49c4_c81c_80f1_a748c5e6c862

Relationship Graph

Source Code

drizzle-orm/src/mysql-core/unique-constraint.ts lines 50–65

export class UniqueConstraint {
	static readonly [entityKind]: string = 'MySqlUniqueConstraint';

	readonly columns: MySqlColumn[];
	readonly name?: string;
	readonly nullsNotDistinct: boolean = false;

	constructor(readonly table: MySqlTable, columns: MySqlColumn[], name?: string) {
		this.columns = columns;
		this.name = name ?? uniqueKeyName(this.table, this.columns.map((column) => column.name));
	}

	getName() {
		return this.name;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the UniqueConstraint class?
UniqueConstraint is a class in the drizzle-orm codebase, defined in drizzle-orm/src/mysql-core/unique-constraint.ts.
Where is UniqueConstraint defined?
UniqueConstraint is defined in drizzle-orm/src/mysql-core/unique-constraint.ts at line 50.

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