8 lines
13 KiB
Plaintext
8 lines
13 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../src/transaction.js"],
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"sourcesContent": ["'use strict';\n\n/**\n * The transaction object is used to identify a running transaction.\n * It is created by calling `Sequelize.transaction()`.\n * To run a query under a transaction, you should pass the transaction in the options object.\n *\n * @class Transaction\n * @see {@link Sequelize.transaction}\n */\nclass Transaction {\n /**\n * Creates a new transaction instance\n *\n * @param {Sequelize} sequelize A configured sequelize Instance\n * @param {object} options An object with options\n * @param {string} [options.type] Sets the type of the transaction. Sqlite only\n * @param {string} [options.isolationLevel] Sets the isolation level of the transaction.\n * @param {string} [options.deferrable] Sets the constraints to be deferred or immediately checked. PostgreSQL only\n * @param {boolean} [options.readOnly] Whether this transaction will only be used to read data. Used to determine whether sequelize is allowed to use a read replication server.\n */\n constructor(sequelize, options) {\n this.sequelize = sequelize;\n this.savepoints = [];\n this._afterCommitHooks = [];\n\n // get dialect specific transaction options\n const generateTransactionId = this.sequelize.dialect.queryGenerator.generateTransactionId;\n\n this.options = {\n type: sequelize.options.transactionType,\n isolationLevel: sequelize.options.isolationLevel,\n readOnly: false,\n ...options\n };\n\n this.parent = this.options.transaction;\n\n if (this.parent) {\n this.id = this.parent.id;\n this.parent.savepoints.push(this);\n this.name = `${this.id}-sp-${this.parent.savepoints.length}`;\n } else {\n this.id = this.name = generateTransactionId();\n }\n\n delete this.options.transaction;\n }\n\n /**\n * Commit the transaction\n *\n * @returns {Promise}\n */\n async commit() {\n if (this.finished) {\n throw new Error(`Transaction cannot be committed because it has been finished with state: ${this.finished}`);\n }\n\n try {\n await this.sequelize.getQueryInterface().commitTransaction(this, this.options);\n this.cleanup();\n } catch (e) {\n console.warn(`Committing transaction ${this.id} failed with error ${JSON.stringify(e.message)}. We are killing its connection as it is now in an undetermined state.`);\n await this.forceCleanup();\n\n throw e;\n } finally {\n this.finished = 'commit';\n for (const hook of this._afterCommitHooks) {\n await hook.apply(this, [this]);\n }\n }\n }\n\n /**\n * Rollback (abort) the transaction\n *\n * @returns {Promise}\n */\n async rollback() {\n if (this.finished) {\n throw new Error(`Transaction cannot be rolled back because it has been finished with state: ${this.finished}`);\n }\n\n if (!this.connection) {\n throw new Error('Transaction cannot be rolled back because it never started');\n }\n\n try {\n await this\n .sequelize\n .getQueryInterface()\n .rollbackTransaction(this, this.options);\n\n this.cleanup();\n } catch (e) {\n console.warn(`Rolling back transaction ${this.id} failed with error ${JSON.stringify(e.message)}. We are killing its connection as it is now in an undetermined state.`);\n await this.forceCleanup();\n\n throw e;\n }\n }\n\n /**\n * Called to acquire a connection to use and set the correct options on the connection.\n * We should ensure all of the environment that's set up is cleaned up in `cleanup()` below.\n *\n * @param {boolean} useCLS Defaults to true: Use CLS (Continuation Local Storage) with Sequelize. With CLS, all queries within the transaction callback will automatically receive the transaction object.\n * @returns {Promise}\n */\n async prepareEnvironment(useCLS = true) {\n let connectionPromise;\n\n if (this.parent) {\n connectionPromise = Promise.resolve(this.parent.connection);\n } else {\n const acquireOptions = { uuid: this.id };\n if (this.options.readOnly) {\n
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"names": []
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}
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