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PostgresJsTransaction Class — drizzle-orm Architecture

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

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  df07f92c_5121_7fc0_a5fb_37eda76ba69c["PostgresJsTransaction"]
  72a101a5_a087_5795_1ea2_26f9e19eeff9["session.ts"]
  df07f92c_5121_7fc0_a5fb_37eda76ba69c -->|defined in| 72a101a5_a087_5795_1ea2_26f9e19eeff9
  4c66ec52_e221_f772_0f02_2fefbba6ab5f["constructor()"]
  df07f92c_5121_7fc0_a5fb_37eda76ba69c -->|method| 4c66ec52_e221_f772_0f02_2fefbba6ab5f
  2e54fc70_c916_df62_543e_cf9509a3df9e["transaction()"]
  df07f92c_5121_7fc0_a5fb_37eda76ba69c -->|method| 2e54fc70_c916_df62_543e_cf9509a3df9e

Relationship Graph

Source Code

drizzle-orm/src/postgres-js/session.ts lines 187–217

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

	constructor(
		dialect: PgDialect,
		/** @internal */
		override readonly session: PostgresJsSession<TransactionSql, TFullSchema, TSchema>,
		schema: RelationalSchemaConfig<TSchema> | undefined,
		nestedIndex = 0,
	) {
		super(dialect, session, schema, nestedIndex);
	}

	override transaction<T>(
		transaction: (tx: PostgresJsTransaction<TFullSchema, TSchema>) => Promise<T>,
	): Promise<T> {
		return this.session.client.savepoint((client) => {
			const session = new PostgresJsSession<TransactionSql, TFullSchema, TSchema>(
				client,
				this.dialect,
				this.schema,
				this.session.options,
			);
			const tx = new PostgresJsTransaction<TFullSchema, TSchema>(this.dialect, session, this.schema);
			return transaction(tx);
		}) as Promise<T>;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PostgresJsTransaction class?
PostgresJsTransaction is a class in the drizzle-orm codebase, defined in drizzle-orm/src/postgres-js/session.ts.
Where is PostgresJsTransaction defined?
PostgresJsTransaction is defined in drizzle-orm/src/postgres-js/session.ts at line 187.

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