"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var CockroachDriver_1 = require("../driver/cockroachdb/CockroachDriver");
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var OracleDriver_1 = require("../driver/oracle/OracleDriver");
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var QueryBuilder_1 = require("./QueryBuilder");
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var SqlServerDriver_1 = require("../driver/sqlserver/SqlServerDriver");
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var PostgresDriver_1 = require("../driver/postgres/PostgresDriver");
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var DeleteResult_1 = require("./result/DeleteResult");
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var ReturningStatementNotSupportedError_1 = require("../error/ReturningStatementNotSupportedError");
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var SqljsDriver_1 = require("../driver/sqljs/SqljsDriver");
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var MysqlDriver_1 = require("../driver/mysql/MysqlDriver");
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var BroadcasterResult_1 = require("../subscriber/BroadcasterResult");
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var index_1 = require("../index");
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/**
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* Allows to build complex sql queries in a fashion way and execute those queries.
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*/
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var DeleteQueryBuilder = /** @class */ (function (_super) {
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tslib_1.__extends(DeleteQueryBuilder, _super);
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// -------------------------------------------------------------------------
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// Constructor
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// -------------------------------------------------------------------------
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function DeleteQueryBuilder(connectionOrQueryBuilder, queryRunner) {
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var _this = _super.call(this, connectionOrQueryBuilder, queryRunner) || this;
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_this.expressionMap.aliasNamePrefixingEnabled = false;
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return _this;
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}
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// -------------------------------------------------------------------------
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// Public Implemented Methods
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// -------------------------------------------------------------------------
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/**
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* Gets generated sql query without parameters being replaced.
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*/
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DeleteQueryBuilder.prototype.getQuery = function () {
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var sql = this.createDeleteExpression();
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return sql.trim();
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};
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/**
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* Executes sql generated by query builder and returns raw database results.
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*/
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DeleteQueryBuilder.prototype.execute = function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, sql, parameters, queryRunner, transactionStartedByUs, broadcastResult, deleteResult, result, driver, broadcastResult, error_1, rollbackError_1;
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return tslib_1.__generator(this, function (_b) {
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switch (_b.label) {
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case 0:
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_a = tslib_1.__read(this.getQueryAndParameters(), 2), sql = _a[0], parameters = _a[1];
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queryRunner = this.obtainQueryRunner();
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transactionStartedByUs = false;
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_b.label = 1;
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case 1:
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_b.trys.push([1, 11, 16, 21]);
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if (!(this.expressionMap.useTransaction === true && queryRunner.isTransactionActive === false)) return [3 /*break*/, 3];
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return [4 /*yield*/, queryRunner.startTransaction()];
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case 2:
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_b.sent();
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transactionStartedByUs = true;
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_b.label = 3;
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case 3:
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if (!(this.expressionMap.callListeners === true && this.expressionMap.mainAlias.hasMetadata)) return [3 /*break*/, 5];
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broadcastResult = new BroadcasterResult_1.BroadcasterResult();
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queryRunner.broadcaster.broadcastBeforeRemoveEvent(broadcastResult, this.expressionMap.mainAlias.metadata);
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if (!(broadcastResult.promises.length > 0)) return [3 /*break*/, 5];
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return [4 /*yield*/, Promise.all(broadcastResult.promises)];
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case 4:
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_b.sent();
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_b.label = 5;
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case 5:
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deleteResult = new DeleteResult_1.DeleteResult();
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return [4 /*yield*/, queryRunner.query(sql, parameters)];
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case 6:
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result = _b.sent();
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driver = queryRunner.connection.driver;
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if (driver instanceof MysqlDriver_1.MysqlDriver) {
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deleteResult.raw = result;
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deleteResult.affected = result.affectedRows;
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}
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else if (driver instanceof SqlServerDriver_1.SqlServerDriver || driver instanceof PostgresDriver_1.PostgresDriver || driver instanceof CockroachDriver_1.CockroachDriver) {
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deleteResult.raw = result[0] ? result[0] : null;
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// don't return 0 because it could confuse. null means that we did not receive this value
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deleteResult.affected = typeof result[1] === "number" ? result[1] : null;
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}
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else if (driver instanceof OracleDriver_1.OracleDriver) {
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deleteResult.affected = result;
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}
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else {
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deleteResult.raw = result;
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}
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if (!(this.expressionMap.callListeners === true && this.expressionMap.mainAlias.hasMetadata)) return [3 /*break*/, 8];
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broadcastResult = new BroadcasterResult_1.BroadcasterResult();
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queryRunner.broadcaster.broadcastAfterRemoveEvent(broadcastResult, this.expressionMap.mainAlias.metadata);
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if (!(broadcastResult.promises.length > 0)) return [3 /*break*/, 8];
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return [4 /*yield*/, Promise.all(broadcastResult.promises)];
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case 7:
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_b.sent();
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_b.label = 8;
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case 8:
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if (!transactionStartedByUs) return [3 /*break*/, 10];
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return [4 /*yield*/, queryRunner.commitTransaction()];
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case 9:
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_b.sent();
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_b.label = 10;
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case 10: return [2 /*return*/, deleteResult];
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case 11:
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error_1 = _b.sent();
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if (!transactionStartedByUs) return [3 /*break*/, 15];
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_b.label = 12;
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case 12:
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_b.trys.push([12, 14, , 15]);
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return [4 /*yield*/, queryRunner.rollbackTransaction()];
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case 13:
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_b.sent();
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return [3 /*break*/, 15];
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case 14:
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rollbackError_1 = _b.sent();
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return [3 /*break*/, 15];
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case 15: throw error_1;
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case 16:
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if (!(queryRunner !== this.queryRunner)) return [3 /*break*/, 18];
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return [4 /*yield*/, queryRunner.release()];
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case 17:
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_b.sent();
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_b.label = 18;
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case 18:
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if (!(this.connection.driver instanceof SqljsDriver_1.SqljsDriver && !queryRunner.isTransactionActive)) return [3 /*break*/, 20];
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return [4 /*yield*/, this.connection.driver.autoSave()];
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case 19:
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_b.sent();
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_b.label = 20;
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case 20: return [7 /*endfinally*/];
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case 21: return [2 /*return*/];
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}
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});
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});
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};
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// -------------------------------------------------------------------------
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// Public Methods
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// -------------------------------------------------------------------------
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/**
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* Specifies FROM which entity's table select/update/delete will be executed.
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* Also sets a main string alias of the selection data.
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*/
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DeleteQueryBuilder.prototype.from = function (entityTarget, aliasName) {
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entityTarget = entityTarget instanceof index_1.EntitySchema ? entityTarget.options.name : entityTarget;
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var mainAlias = this.createFromAlias(entityTarget, aliasName);
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this.expressionMap.setMainAlias(mainAlias);
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return this;
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};
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/**
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* Sets WHERE condition in the query builder.
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* If you had previously WHERE expression defined,
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* calling this function will override previously set WHERE conditions.
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* Additionally you can add parameters used in where expression.
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*/
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DeleteQueryBuilder.prototype.where = function (where, parameters) {
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this.expressionMap.wheres = []; // don't move this block below since computeWhereParameter can add where expressions
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var condition = this.computeWhereParameter(where);
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if (condition)
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this.expressionMap.wheres = [{ type: "simple", condition: condition }];
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if (parameters)
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this.setParameters(parameters);
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return this;
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};
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/**
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* Adds new AND WHERE condition in the query builder.
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* Additionally you can add parameters used in where expression.
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*/
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DeleteQueryBuilder.prototype.andWhere = function (where, parameters) {
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this.expressionMap.wheres.push({ type: "and", condition: this.computeWhereParameter(where) });
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if (parameters)
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this.setParameters(parameters);
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return this;
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};
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/**
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* Adds new OR WHERE condition in the query builder.
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* Additionally you can add parameters used in where expression.
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*/
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DeleteQueryBuilder.prototype.orWhere = function (where, parameters) {
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this.expressionMap.wheres.push({ type: "or", condition: this.computeWhereParameter(where) });
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if (parameters)
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this.setParameters(parameters);
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return this;
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};
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/**
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* Adds new AND WHERE with conditions for the given ids.
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*/
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DeleteQueryBuilder.prototype.whereInIds = function (ids) {
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return this.where(this.createWhereIdsExpression(ids));
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};
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/**
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* Adds new AND WHERE with conditions for the given ids.
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*/
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DeleteQueryBuilder.prototype.andWhereInIds = function (ids) {
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return this.andWhere(this.createWhereIdsExpression(ids));
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};
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/**
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* Adds new OR WHERE with conditions for the given ids.
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*/
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DeleteQueryBuilder.prototype.orWhereInIds = function (ids) {
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return this.orWhere(this.createWhereIdsExpression(ids));
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};
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/**
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* Optional returning/output clause.
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*/
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DeleteQueryBuilder.prototype.output = function (output) {
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return this.returning(output);
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};
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/**
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* Optional returning/output clause.
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*/
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DeleteQueryBuilder.prototype.returning = function (returning) {
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// not all databases support returning/output cause
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if (!this.connection.driver.isReturningSqlSupported())
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throw new ReturningStatementNotSupportedError_1.ReturningStatementNotSupportedError();
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this.expressionMap.returning = returning;
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return this;
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};
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// -------------------------------------------------------------------------
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// Protected Methods
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// -------------------------------------------------------------------------
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/**
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* Creates DELETE express used to perform query.
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*/
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DeleteQueryBuilder.prototype.createDeleteExpression = function () {
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var tableName = this.getTableName(this.getMainTableName());
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var whereExpression = this.createWhereExpression();
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var returningExpression = this.createReturningExpression();
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if (returningExpression && (this.connection.driver instanceof PostgresDriver_1.PostgresDriver || this.connection.driver instanceof CockroachDriver_1.CockroachDriver)) {
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return "DELETE FROM " + tableName + whereExpression + " RETURNING " + returningExpression;
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}
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else if (returningExpression !== "" && this.connection.driver instanceof SqlServerDriver_1.SqlServerDriver) {
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return "DELETE FROM " + tableName + " OUTPUT " + returningExpression + whereExpression;
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}
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else {
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return "DELETE FROM " + tableName + whereExpression;
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}
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};
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return DeleteQueryBuilder;
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}(QueryBuilder_1.QueryBuilder));
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exports.DeleteQueryBuilder = DeleteQueryBuilder;
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//# sourceMappingURL=DeleteQueryBuilder.js.map
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