8 lines
5.9 KiB
Plaintext
8 lines
5.9 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../../../src/dialects/sqlite/connection-manager.js"],
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"sourcesContent": ["'use strict';\n\nconst fs = require('fs');\nconst path = require('path');\nconst AbstractConnectionManager = require('../abstract/connection-manager');\nconst { logger } = require('../../utils/logger');\nconst debug = logger.debugContext('connection:sqlite');\nconst dataTypes = require('../../data-types').sqlite;\nconst sequelizeErrors = require('../../errors');\nconst parserStore = require('../parserStore')('sqlite');\nconst { promisify } = require('util');\n\nclass ConnectionManager extends AbstractConnectionManager {\n constructor(dialect, sequelize) {\n super(dialect, sequelize);\n\n // We attempt to parse file location from a connection uri\n // but we shouldn't match sequelize default host.\n if (this.sequelize.options.host === 'localhost') {\n delete this.sequelize.options.host;\n }\n\n this.connections = {};\n this.lib = this._loadDialectModule('sqlite3');\n this.refreshTypeParser(dataTypes);\n }\n\n async _onProcessExit() {\n await Promise.all(\n Object.getOwnPropertyNames(this.connections)\n .map(connection => promisify(callback => this.connections[connection].close(callback))())\n );\n return super._onProcessExit.call(this);\n }\n\n // Expose this as a method so that the parsing may be updated when the user has added additional, custom types\n _refreshTypeParser(dataType) {\n parserStore.refresh(dataType);\n }\n\n _clearTypeParser() {\n parserStore.clear();\n }\n\n async getConnection(options) {\n options = options || {};\n options.uuid = options.uuid || 'default';\n\n if (!!this.sequelize.options.storage !== null && this.sequelize.options.storage !== undefined) {\n // Check explicitely for the storage option to not be set since an empty string signals\n // SQLite will create a temporary disk-based database in that case.\n options.storage = this.sequelize.options.storage;\n } else {\n options.storage = this.sequelize.options.host || ':memory:';\n }\n\n options.inMemory = options.storage === ':memory:' ? 1 : 0;\n\n const dialectOptions = this.sequelize.options.dialectOptions;\n const defaultReadWriteMode = this.lib.OPEN_READWRITE | this.lib.OPEN_CREATE;\n\n options.readWriteMode = dialectOptions && dialectOptions.mode || defaultReadWriteMode;\n\n if (this.connections[options.inMemory || options.uuid]) {\n return this.connections[options.inMemory || options.uuid];\n }\n\n if (!options.inMemory && (options.readWriteMode & this.lib.OPEN_CREATE) !== 0) {\n // automatic path provision for `options.storage`\n fs.mkdirSync(path.dirname(options.storage), { recursive: true });\n }\n\n const connection = await new Promise((resolve, reject) => {\n this.connections[options.inMemory || options.uuid] = new this.lib.Database(\n options.storage,\n options.readWriteMode,\n err => {\n if (err) return reject(new sequelizeErrors.ConnectionError(err));\n debug(`connection acquired ${options.uuid}`);\n resolve(this.connections[options.inMemory || options.uuid]);\n }\n );\n });\n\n if (this.sequelize.config.password) {\n // Make it possible to define and use password for sqlite encryption plugin like sqlcipher\n connection.run(`PRAGMA KEY=${this.sequelize.escape(this.sequelize.config.password)}`);\n }\n if (this.sequelize.options.foreignKeys !== false) {\n // Make it possible to define and use foreign key constraints unless\n // explicitly disallowed. It's still opt-in per relation\n connection.run('PRAGMA FOREIGN_KEYS=ON');\n }\n\n return connection;\n }\n\n releaseConnection(connection, force) {\n if (connection.filename === ':memory:' && force !== true) return;\n\n if (connection.uuid) {\n connection.close();\n debug(`connection released ${connection.uuid}`);\n delete this.connections[connection.uuid];\n }\n }\n}\n\nmodule.exports = ConnectionManager;\nmodule.exports.ConnectionManager = ConnectionManager;\nmodule.exports.default = Conn
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"names": []
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}
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