typeorm
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Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, WebSQL, MongoDB databases.
417 lines (406 loc) • 25.4 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var TransactionAlreadyStartedError_1 = require("../../error/TransactionAlreadyStartedError");
var TransactionNotStartedError_1 = require("../../error/TransactionNotStartedError");
var Table_1 = require("../../schema-builder/schema/Table");
var QueryRunnerAlreadyReleasedError_1 = require("../../error/QueryRunnerAlreadyReleasedError");
var OrmUtils_1 = require("../../util/OrmUtils");
var QueryFailedError_1 = require("../../error/QueryFailedError");
var AbstractSqliteQueryRunner_1 = require("../sqlite-abstract/AbstractSqliteQueryRunner");
/**
* Runs queries on a single websql database connection.
*/
var WebsqlQueryRunner = /** @class */ (function (_super) {
__extends(WebsqlQueryRunner, _super);
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function WebsqlQueryRunner(driver) {
var _this = _super.call(this, driver) || this;
_this.driver = driver;
_this.connection = driver.connection;
return _this;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Creates/uses database connection from the connection pool to perform further operations.
* Returns obtained database connection.
*/
WebsqlQueryRunner.prototype.connect = function () {
var _this = this;
if (this.databaseConnection)
return Promise.resolve(this.databaseConnection);
if (this.databaseConnectionPromise)
return this.databaseConnectionPromise;
var options = Object.assign({}, {
database: this.driver.options.database,
version: this.driver.options.version,
description: this.driver.options.description,
size: this.driver.options.size,
}, this.driver.options.extra || {});
this.databaseConnectionPromise = new Promise(function (ok, fail) {
_this.databaseConnection = openDatabase(options.database, options.version, options.description, options.size);
ok(_this.databaseConnection);
});
return this.databaseConnectionPromise;
};
/**
* Starts transaction.
*/
WebsqlQueryRunner.prototype.startTransaction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.isReleased)
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
if (this.isTransactionActive)
throw new TransactionAlreadyStartedError_1.TransactionAlreadyStartedError();
this.isTransactionActive = true;
return [2 /*return*/];
});
});
};
/**
* Commits transaction.
* Error will be thrown if transaction was not started.
*/
WebsqlQueryRunner.prototype.commitTransaction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.isReleased)
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
if (!this.isTransactionActive)
throw new TransactionNotStartedError_1.TransactionNotStartedError();
// await this.query("COMMIT");
this.isTransactionActive = false;
return [2 /*return*/];
});
});
};
/**
* Rollbacks transaction.
* Error will be thrown if transaction was not started.
*/
WebsqlQueryRunner.prototype.rollbackTransaction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.isReleased)
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
if (!this.isTransactionActive)
throw new TransactionNotStartedError_1.TransactionNotStartedError();
// await this.query("ROLLBACK");
this.isTransactionActive = false;
return [2 /*return*/];
});
});
};
/**
* Executes a given SQL query.
*/
WebsqlQueryRunner.prototype.query = function (query, parameters) {
var _this = this;
if (this.isReleased)
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
return new Promise(function (ok, fail) { return __awaiter(_this, void 0, void 0, function () {
var _this = this;
var db, queryStartTime_1, err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, this.connect()];
case 1:
db = _a.sent();
// todo(dima): check if transaction is not active
this.driver.connection.logger.logQuery(query, parameters, this);
queryStartTime_1 = +new Date();
db.transaction(function (tx) {
tx.executeSql(query, parameters, function (tx, result) {
// log slow queries if maxQueryExecution time is set
var maxQueryExecutionTime = _this.driver.connection.options.maxQueryExecutionTime;
var queryEndTime = +new Date();
var queryExecutionTime = queryEndTime - queryStartTime_1;
if (maxQueryExecutionTime && queryExecutionTime > maxQueryExecutionTime)
_this.driver.connection.logger.logQuerySlow(queryExecutionTime, query, parameters, _this);
var rows = Object
.keys(result.rows)
.filter(function (key) { return key !== "length"; })
.map(function (key) { return result.rows[key]; });
ok(rows);
}, function (tx, err) {
_this.driver.connection.logger.logQueryError(err, query, parameters, _this);
return fail(new QueryFailedError_1.QueryFailedError(query, parameters, err));
});
});
return [3 /*break*/, 3];
case 2:
err_1 = _a.sent();
fail(err_1);
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); });
};
/**
* Insert a new row with given values into the given table.
* Returns value of the generated column if given and generate column exist in the table.
*/
WebsqlQueryRunner.prototype.insert = function (tableName, keyValues) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var keys, columns, values, generatedColumns, sql, parameters;
return __generator(this, function (_a) {
keys = Object.keys(keyValues);
columns = keys.map(function (key) { return "\"" + key + "\""; }).join(", ");
values = keys.map(function (key, index) { return "$" + (index + 1); }).join(",");
generatedColumns = this.connection.hasMetadata(tableName) ? this.connection.getMetadata(tableName).generatedColumns : [];
sql = columns.length > 0 ? ("INSERT INTO \"" + tableName + "\"(" + columns + ") VALUES (" + values + ")") : "INSERT INTO \"" + tableName + "\" DEFAULT VALUES";
parameters = keys.map(function (key) { return keyValues[key]; });
return [2 /*return*/, new Promise(function (ok, fail) { return __awaiter(_this, void 0, void 0, function () {
var _this = this;
var db;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
this.driver.connection.logger.logQuery(sql, parameters, this);
return [4 /*yield*/, this.connect()];
case 1:
db = _a.sent();
// todo: check if transaction is not active
db.transaction(function (tx) {
tx.executeSql(sql, parameters, function (tx, result) {
var generatedMap = generatedColumns.reduce(function (map, generatedColumn) {
var value = generatedColumn.isPrimary && generatedColumn.generationStrategy === "increment" && result["insertId"] ? result["insertId"] : keyValues[generatedColumn.databaseName];
if (!value)
return map;
return OrmUtils_1.OrmUtils.mergeDeep(map, generatedColumn.createValueMap(value));
}, {});
ok({
result: undefined,
generatedMap: Object.keys(generatedMap).length > 0 ? generatedMap : undefined
});
}, function (tx, err) {
_this.driver.connection.logger.logQueryError(err, sql, parameters, _this);
return fail(err);
});
});
return [2 /*return*/];
}
});
}); })];
});
});
};
// TODO: finish the table schema loading
/**
* Loads all tables (with given names) from the database and creates a Table from them.
*/
WebsqlQueryRunner.prototype.getTables = function (tableNames) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var tableNamesString, dbTables;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// if no tables given then no need to proceed
if (!tableNames || !tableNames.length)
return [2 /*return*/, []];
tableNamesString = tableNames.map(function (tableName) { return "'" + tableName + "'"; }).join(", ");
return [4 /*yield*/, this.query("SELECT * FROM sqlite_master WHERE type = 'table' AND name IN (" + tableNamesString + ")")];
case 1:
dbTables = _a.sent();
// if tables were not found in the db, no need to proceed
if (!dbTables || !dbTables.length)
return [2 /*return*/, []];
// create table schemas for loaded tables
return [2 /*return*/, Promise.all(dbTables.map(function (dbTable) { return __awaiter(_this, void 0, void 0, function () {
var table;
return __generator(this, function (_a) {
table = new Table_1.Table(dbTable["name"]);
// load columns and indices
/*const [dbColumns, dbIndices, dbForeignKeys]: ObjectLiteral[][] = await Promise.all([
this.query(`PRAGMA table_info("${dbTable["name"]}")`),
this.query(`PRAGMA index_list("${dbTable["name"]}")`),
this.query(`PRAGMA foreign_key_list("${dbTable["name"]}")`),
]);
// find column name with auto increment
let autoIncrementColumnName: string|undefined = undefined;
const tableSql: string = dbTable["sql"];
if (tableSql.indexOf("AUTOINCREMENT") !== -1) {
autoIncrementColumnName = tableSql.substr(0, tableSql.indexOf("AUTOINCREMENT"));
const comma = autoIncrementColumnName.lastIndexOf(",");
const bracket = autoIncrementColumnName.lastIndexOf("(");
if (comma !== -1) {
autoIncrementColumnName = autoIncrementColumnName.substr(comma);
autoIncrementColumnName = autoIncrementColumnName.substr(0, autoIncrementColumnName.lastIndexOf("\""));
autoIncrementColumnName = autoIncrementColumnName.substr(autoIncrementColumnName.indexOf("\"") + 1);
} else if (bracket !== -1) {
autoIncrementColumnName = autoIncrementColumnName.substr(bracket);
autoIncrementColumnName = autoIncrementColumnName.substr(0, autoIncrementColumnName.lastIndexOf("\""));
autoIncrementColumnName = autoIncrementColumnName.substr(autoIncrementColumnName.indexOf("\"") + 1);
}
}
// create columns from the loaded columns
table.columns = dbColumns.map(dbColumn => {
const tableColumn = new TableColumn();
tableColumn.name = dbColumn["name"];
tableColumn.type = dbColumn["type"].toLowerCase();
tableColumn.default = dbColumn["dflt_value"] !== null && dbColumn["dflt_value"] !== undefined ? dbColumn["dflt_value"] : undefined;
tableColumn.isNullable = dbColumn["notnull"] === 0;
tableColumn.isPrimary = dbColumn["pk"] === 1;
tableColumn.comment = ""; // todo later
tableColumn.isGenerated = autoIncrementColumnName === dbColumn["name"];
const columnForeignKeys = dbForeignKeys
.filter(foreignKey => foreignKey["from"] === dbColumn["name"])
.map(foreignKey => {
const keyName = namingStrategy.foreignKeyName(dbTable["name"], [foreignKey["from"]], foreignKey["table"], [foreignKey["to"]]);
return new TableForeignKey(keyName, [foreignKey["from"]], [foreignKey["to"]], foreignKey["table"], foreignKey["on_delete"]); // todo: how sqlite return from and to when they are arrays? (multiple column foreign keys)
});
table.addForeignKeys(columnForeignKeys);
return tableColumn;
});
// create primary key schema
await Promise.all(dbIndices
.filter(index => index["origin"] === "pk")
.map(async index => {
const indexInfos: ObjectLiteral[] = await this.query(`PRAGMA index_info("${index["name"]}")`);
const indexColumns = indexInfos.map(indexInfo => indexInfo["name"]);
indexColumns.forEach(indexColumn => {
table.primaryKeys.push(new TablePrimaryKey(index["name"], indexColumn));
});
}));
// create index schemas from the loaded indices
const indicesPromises = dbIndices
.filter(dbIndex => {
return dbIndex["origin"] !== "pk" &&
(!table.foreignKeys.find(foreignKey => foreignKey.name === dbIndex["name"])) &&
(!table.primaryKeys.find(primaryKey => primaryKey.name === dbIndex["name"]));
})
.map(dbIndex => dbIndex["name"])
.filter((value, index, self) => self.indexOf(value) === index) // unqiue
.map(async dbIndexName => {
const dbIndex = dbIndices.find(dbIndex => dbIndex["name"] === dbIndexName);
const indexInfos: ObjectLiteral[] = await this.query(`PRAGMA index_info("${dbIndex!["name"]}")`);
const indexColumns = indexInfos.map(indexInfo => indexInfo["name"]);
// check if db index is generated by sqlite itself and has special use case
if (dbIndex!["name"].substr(0, "sqlite_autoindex".length) === "sqlite_autoindex") {
if (dbIndex!["unique"] === 1) { // this means we have a special index generated for a column
// so we find and update the column
indexColumns.forEach(columnName => {
const column = table.columns.find(column => column.name === columnName);
if (column)
column.isUnique = true;
});
}
return Promise.resolve(undefined);
} else {
return new TableIndex(dbTable["name"], dbIndex!["name"], indexColumns, dbIndex!["unique"] === "1");
}
});
const indices = await Promise.all(indicesPromises);
table.indices = indices.filter(index => !!index) as TableIndex[];*/
return [2 /*return*/, table];
});
}); }))];
}
});
});
};
/**
* Removes all tables from the currently connected database.
*/
WebsqlQueryRunner.prototype.clearDatabase = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var selectDropsQuery, dropQueries, error_1, rollbackError_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// await this.query(`PRAGMA foreign_keys = OFF;`);
return [4 /*yield*/, this.startTransaction()];
case 1:
// await this.query(`PRAGMA foreign_keys = OFF;`);
_a.sent();
_a.label = 2;
case 2:
_a.trys.push([2, 6, , 11]);
selectDropsQuery = "select 'drop table \"' || name || '\";' as query from sqlite_master where type = 'table' and name != 'sqlite_sequence'";
return [4 /*yield*/, this.query(selectDropsQuery)];
case 3:
dropQueries = _a.sent();
return [4 /*yield*/, Promise.all(dropQueries.map(function (q) { return _this.query(q["query"]); }))];
case 4:
_a.sent();
return [4 /*yield*/, this.commitTransaction()];
case 5:
_a.sent();
return [3 /*break*/, 11];
case 6:
error_1 = _a.sent();
_a.label = 7;
case 7:
_a.trys.push([7, 9, , 10]);
return [4 /*yield*/, this.rollbackTransaction()];
case 8:
_a.sent();
return [3 /*break*/, 10];
case 9:
rollbackError_1 = _a.sent();
return [3 /*break*/, 10];
case 10: throw error_1;
case 11: return [2 /*return*/];
}
});
});
};
return WebsqlQueryRunner;
}(AbstractSqliteQueryRunner_1.AbstractSqliteQueryRunner));
exports.WebsqlQueryRunner = WebsqlQueryRunner;
//# sourceMappingURL=WebsqlQueryRunner.js.map