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NodePgTransaction Class — drizzle-orm Architecture

Architecture documentation for the NodePgTransaction class in session.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  5c838b89_938f_05a3_718d_06ed6215bf56["NodePgTransaction"]
  0507ccca_3cb1_384d_6315_fc19900c69b1["session.ts"]
  5c838b89_938f_05a3_718d_06ed6215bf56 -->|defined in| 0507ccca_3cb1_384d_6315_fc19900c69b1
  e97f13b3_0abe_008f_2902_c0f8644c9e20["transaction()"]
  5c838b89_938f_05a3_718d_06ed6215bf56 -->|method| e97f13b3_0abe_008f_2902_c0f8644c9e20

Relationship Graph

Source Code

drizzle-orm/src/node-postgres/session.ts lines 278–302

export class NodePgTransaction<
	TFullSchema extends Record<string, unknown>,
	TSchema extends TablesRelationalConfig,
> extends PgTransaction<NodePgQueryResultHKT, TFullSchema, TSchema> {
	static override readonly [entityKind]: string = 'NodePgTransaction';

	override async transaction<T>(transaction: (tx: NodePgTransaction<TFullSchema, TSchema>) => Promise<T>): Promise<T> {
		const savepointName = `sp${this.nestedIndex + 1}`;
		const tx = new NodePgTransaction<TFullSchema, TSchema>(
			this.dialect,
			this.session,
			this.schema,
			this.nestedIndex + 1,
		);
		await tx.execute(sql.raw(`savepoint ${savepointName}`));
		try {
			const result = await transaction(tx);
			await tx.execute(sql.raw(`release savepoint ${savepointName}`));
			return result;
		} catch (err) {
			await tx.execute(sql.raw(`rollback to savepoint ${savepointName}`));
			throw err;
		}
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the NodePgTransaction class?
NodePgTransaction is a class in the drizzle-orm codebase, defined in drizzle-orm/src/node-postgres/session.ts.
Where is NodePgTransaction defined?
NodePgTransaction is defined in drizzle-orm/src/node-postgres/session.ts at line 278.

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