typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
269 lines (267 loc) • 13.8 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:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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 QueryBuilder_1 = require("./QueryBuilder");
var SqlServerDriver_1 = require("../driver/sqlserver/SqlServerDriver");
var PostgresDriver_1 = require("../driver/postgres/PostgresDriver");
var DeleteResult_1 = require("./result/DeleteResult");
var ReturningStatementNotSupportedError_1 = require("../error/ReturningStatementNotSupportedError");
var SqljsDriver_1 = require("../driver/sqljs/SqljsDriver");
var BroadcasterResult_1 = require("../subscriber/BroadcasterResult");
var index_1 = require("../index");
/**
* Allows to build complex sql queries in a fashion way and execute those queries.
*/
var DeleteQueryBuilder = /** @class */ (function (_super) {
__extends(DeleteQueryBuilder, _super);
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function DeleteQueryBuilder(connectionOrQueryBuilder, queryRunner) {
var _this = _super.call(this, connectionOrQueryBuilder, queryRunner) || this;
_this.expressionMap.aliasNamePrefixingEnabled = false;
return _this;
}
// -------------------------------------------------------------------------
// Public Implemented Methods
// -------------------------------------------------------------------------
/**
* Gets generated sql query without parameters being replaced.
*/
DeleteQueryBuilder.prototype.getQuery = function () {
var sql = this.createDeleteExpression();
return sql.trim();
};
/**
* Executes sql generated by query builder and returns raw database results.
*/
DeleteQueryBuilder.prototype.execute = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, sql, parameters, queryRunner, transactionStartedByUs, broadcastResult, deleteResult, _b, broadcastResult, error_1, rollbackError_1;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = this.getQueryAndParameters(), sql = _a[0], parameters = _a[1];
queryRunner = this.obtainQueryRunner();
transactionStartedByUs = false;
_c.label = 1;
case 1:
_c.trys.push([1, 11, 16, 21]);
if (!(this.expressionMap.useTransaction === true && queryRunner.isTransactionActive === false)) return [3 /*break*/, 3];
return [4 /*yield*/, queryRunner.startTransaction()];
case 2:
_c.sent();
transactionStartedByUs = true;
_c.label = 3;
case 3:
if (!(this.expressionMap.callListeners === true && this.expressionMap.mainAlias.hasMetadata)) return [3 /*break*/, 5];
broadcastResult = new BroadcasterResult_1.BroadcasterResult();
queryRunner.broadcaster.broadcastBeforeRemoveEvent(broadcastResult, this.expressionMap.mainAlias.metadata);
if (!(broadcastResult.promises.length > 0)) return [3 /*break*/, 5];
return [4 /*yield*/, Promise.all(broadcastResult.promises)];
case 4:
_c.sent();
_c.label = 5;
case 5:
deleteResult = new DeleteResult_1.DeleteResult();
_b = deleteResult;
return [4 /*yield*/, queryRunner.query(sql, parameters)];
case 6:
_b.raw = _c.sent();
if (!(this.expressionMap.callListeners === true && this.expressionMap.mainAlias.hasMetadata)) return [3 /*break*/, 8];
broadcastResult = new BroadcasterResult_1.BroadcasterResult();
queryRunner.broadcaster.broadcastAfterRemoveEvent(broadcastResult, this.expressionMap.mainAlias.metadata);
if (!(broadcastResult.promises.length > 0)) return [3 /*break*/, 8];
return [4 /*yield*/, Promise.all(broadcastResult.promises)];
case 7:
_c.sent();
_c.label = 8;
case 8:
if (!transactionStartedByUs) return [3 /*break*/, 10];
return [4 /*yield*/, queryRunner.commitTransaction()];
case 9:
_c.sent();
_c.label = 10;
case 10: return [2 /*return*/, deleteResult];
case 11:
error_1 = _c.sent();
if (!transactionStartedByUs) return [3 /*break*/, 15];
_c.label = 12;
case 12:
_c.trys.push([12, 14, , 15]);
return [4 /*yield*/, queryRunner.rollbackTransaction()];
case 13:
_c.sent();
return [3 /*break*/, 15];
case 14:
rollbackError_1 = _c.sent();
return [3 /*break*/, 15];
case 15: throw error_1;
case 16:
if (!(queryRunner !== this.queryRunner)) return [3 /*break*/, 18];
return [4 /*yield*/, queryRunner.release()];
case 17:
_c.sent();
_c.label = 18;
case 18:
if (!(this.connection.driver instanceof SqljsDriver_1.SqljsDriver && !queryRunner.isTransactionActive)) return [3 /*break*/, 20];
return [4 /*yield*/, this.connection.driver.autoSave()];
case 19:
_c.sent();
_c.label = 20;
case 20: return [7 /*endfinally*/];
case 21: return [2 /*return*/];
}
});
});
};
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
*/
DeleteQueryBuilder.prototype.from = function (entityTarget, aliasName) {
entityTarget = entityTarget instanceof index_1.EntitySchema ? entityTarget.options.name : entityTarget;
var mainAlias = this.createFromAlias(entityTarget, aliasName);
this.expressionMap.setMainAlias(mainAlias);
return this;
};
/**
* Sets WHERE condition in the query builder.
* If you had previously WHERE expression defined,
* calling this function will override previously set WHERE conditions.
* Additionally you can add parameters used in where expression.
*/
DeleteQueryBuilder.prototype.where = function (where, parameters) {
this.expressionMap.wheres = []; // don't move this block below since computeWhereParameter can add where expressions
var condition = this.computeWhereParameter(where);
if (condition)
this.expressionMap.wheres = [{ type: "simple", condition: condition }];
if (parameters)
this.setParameters(parameters);
return this;
};
/**
* Adds new AND WHERE condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
DeleteQueryBuilder.prototype.andWhere = function (where, parameters) {
this.expressionMap.wheres.push({ type: "and", condition: this.computeWhereParameter(where) });
if (parameters)
this.setParameters(parameters);
return this;
};
/**
* Adds new OR WHERE condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
DeleteQueryBuilder.prototype.orWhere = function (where, parameters) {
this.expressionMap.wheres.push({ type: "or", condition: this.computeWhereParameter(where) });
if (parameters)
this.setParameters(parameters);
return this;
};
/**
* Adds new AND WHERE with conditions for the given ids.
*/
DeleteQueryBuilder.prototype.whereInIds = function (ids) {
return this.where(this.createWhereIdsExpression(ids));
};
/**
* Adds new AND WHERE with conditions for the given ids.
*/
DeleteQueryBuilder.prototype.andWhereInIds = function (ids) {
return this.andWhere(this.createWhereIdsExpression(ids));
};
/**
* Adds new OR WHERE with conditions for the given ids.
*/
DeleteQueryBuilder.prototype.orWhereInIds = function (ids) {
return this.orWhere(this.createWhereIdsExpression(ids));
};
/**
* Optional returning/output clause.
*/
DeleteQueryBuilder.prototype.output = function (output) {
return this.returning(output);
};
/**
* Optional returning/output clause.
*/
DeleteQueryBuilder.prototype.returning = function (returning) {
// not all databases support returning/output cause
if (!this.connection.driver.isReturningSqlSupported())
throw new ReturningStatementNotSupportedError_1.ReturningStatementNotSupportedError();
this.expressionMap.returning = returning;
return this;
};
// -------------------------------------------------------------------------
// Protected Methods
// -------------------------------------------------------------------------
/**
* Creates DELETE express used to perform query.
*/
DeleteQueryBuilder.prototype.createDeleteExpression = function () {
var tableName = this.getTableName(this.getMainTableName());
var whereExpression = this.createWhereExpression();
var returningExpression = this.createReturningExpression();
if (returningExpression && this.connection.driver instanceof PostgresDriver_1.PostgresDriver) {
return "DELETE FROM " + tableName + whereExpression + " RETURNING " + returningExpression;
}
else if (returningExpression !== "" && this.connection.driver instanceof SqlServerDriver_1.SqlServerDriver) {
return "DELETE FROM " + tableName + " OUTPUT " + returningExpression + whereExpression;
}
else {
return "DELETE FROM " + tableName + whereExpression;
}
};
return DeleteQueryBuilder;
}(QueryBuilder_1.QueryBuilder));
exports.DeleteQueryBuilder = DeleteQueryBuilder;
//# sourceMappingURL=DeleteQueryBuilder.js.map