drizzle-orm Architecture Docs
Home / Class/ MySql2Transaction Class — drizzle-orm Architecture

MySql2Transaction Class — drizzle-orm Architecture

Architecture documentation for the MySql2Transaction class in session.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  021be121_52f7_a344_035f_56374d0dd9ef["MySql2Transaction"]
  4f23092f_3066_0d48_8396_c28751f25d01["session.ts"]
  021be121_52f7_a344_035f_56374d0dd9ef -->|defined in| 4f23092f_3066_0d48_8396_c28751f25d01
  281944dd_c9ab_27a8_fd24_20b3c5b86a80["transaction()"]
  021be121_52f7_a344_035f_56374d0dd9ef -->|method| 281944dd_c9ab_27a8_fd24_20b3c5b86a80

Relationship Graph

Source Code

drizzle-orm/src/mysql2/session.ts lines 325–350

export class MySql2Transaction<
	TFullSchema extends Record<string, unknown>,
	TSchema extends TablesRelationalConfig,
> extends MySqlTransaction<MySql2QueryResultHKT, MySql2PreparedQueryHKT, TFullSchema, TSchema> {
	static override readonly [entityKind]: string = 'MySql2Transaction';

	override async transaction<T>(transaction: (tx: MySql2Transaction<TFullSchema, TSchema>) => Promise<T>): Promise<T> {
		const savepointName = `sp${this.nestedIndex + 1}`;
		const tx = new MySql2Transaction<TFullSchema, TSchema>(
			this.dialect,
			this.session,
			this.schema,
			this.nestedIndex + 1,
			this.mode,
		);
		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 MySql2Transaction class?
MySql2Transaction is a class in the drizzle-orm codebase, defined in drizzle-orm/src/mysql2/session.ts.
Where is MySql2Transaction defined?
MySql2Transaction is defined in drizzle-orm/src/mysql2/session.ts at line 325.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free