| 1 | ;
|
| 2 | Object.defineProperty(exports, "__esModule", { value: true });
|
| 3 | var tslib_1 = require("tslib");
|
| 4 | var PromiseUtils_1 = require("../util/PromiseUtils");
|
| 5 | var SubjectTopoligicalSorter_1 = require("./SubjectTopoligicalSorter");
|
| 6 | var SubjectChangedColumnsComputer_1 = require("./SubjectChangedColumnsComputer");
|
| 7 | var SubjectWithoutIdentifierError_1 = require("../error/SubjectWithoutIdentifierError");
|
| 8 | var SubjectRemovedAndUpdatedError_1 = require("../error/SubjectRemovedAndUpdatedError");
|
| 9 | var MongoQueryRunner_1 = require("../driver/mongodb/MongoQueryRunner");
|
| 10 | var MongoDriver_1 = require("../driver/mongodb/MongoDriver");
|
| 11 | var BroadcasterResult_1 = require("../subscriber/BroadcasterResult");
|
| 12 | var OracleDriver_1 = require("../driver/oracle/OracleDriver");
|
| 13 | var NestedSetSubjectExecutor_1 = require("./tree/NestedSetSubjectExecutor");
|
| 14 | var ClosureSubjectExecutor_1 = require("./tree/ClosureSubjectExecutor");
|
| 15 | var MaterializedPathSubjectExecutor_1 = require("./tree/MaterializedPathSubjectExecutor");
|
| 16 | var OrmUtils_1 = require("../util/OrmUtils");
|
| 17 | /**
|
| 18 | * Executes all database operations (inserts, updated, deletes) that must be executed
|
| 19 | * with given persistence subjects.
|
| 20 | */
|
| 21 | var SubjectExecutor = /** @class */ (function () {
|
| 22 | // -------------------------------------------------------------------------
|
| 23 | // Constructor
|
| 24 | // -------------------------------------------------------------------------
|
| 25 | function SubjectExecutor(queryRunner, subjects, options) {
|
| 26 | // -------------------------------------------------------------------------
|
| 27 | // Public Properties
|
| 28 | // -------------------------------------------------------------------------
|
| 29 | /**
|
| 30 | * Indicates if executor has any operations to execute (e.g. has insert / update / delete operations to be executed).
|
| 31 | */
|
| 32 | this.hasExecutableOperations = false;
|
| 33 | /**
|
| 34 | * Subjects that must be inserted.
|
| 35 | */
|
| 36 | this.insertSubjects = [];
|
| 37 | /**
|
| 38 | * Subjects that must be updated.
|
| 39 | */
|
| 40 | this.updateSubjects = [];
|
| 41 | /**
|
| 42 | * Subjects that must be removed.
|
| 43 | */
|
| 44 | this.removeSubjects = [];
|
| 45 | this.queryRunner = queryRunner;
|
| 46 | this.allSubjects = subjects;
|
| 47 | this.options = options;
|
| 48 | this.validate();
|
| 49 | this.recompute();
|
| 50 | }
|
| 51 | // -------------------------------------------------------------------------
|
| 52 | // Public Methods
|
| 53 | // -------------------------------------------------------------------------
|
| 54 | /**
|
| 55 | * Executes all operations over given array of subjects.
|
| 56 | * Executes queries using given query runner.
|
| 57 | */
|
| 58 | SubjectExecutor.prototype.execute = function () {
|
| 59 | return tslib_1.__awaiter(this, void 0, void 0, function () {
|
| 60 | var broadcasterResult;
|
| 61 | return tslib_1.__generator(this, function (_a) {
|
| 62 | switch (_a.label) {
|
| 63 | case 0:
|
| 64 | broadcasterResult = undefined;
|
| 65 | if (!(!this.options || this.options.listeners !== false)) return [3 /*break*/, 2];
|
| 66 | // console.time(".broadcastBeforeEventsForAll");
|
| 67 | broadcasterResult = this.broadcastBeforeEventsForAll();
|
| 68 | if (!(broadcasterResult.promises.length > 0)) return [3 /*break*/, 2];
|
| 69 | return [4 /*yield*/, Promise.all(broadcasterResult.promises)];
|
| 70 | case 1:
|
| 71 | _a.sent();
|
| 72 | _a.label = 2;
|
| 73 | case 2:
|
| 74 | // since event listeners and subscribers can call save methods and/or trigger entity changes we need to recompute operational subjects
|
| 75 | // recompute only in the case if any listener or subscriber was really executed
|
| 76 | if (broadcasterResult && broadcasterResult.count > 0) {
|
| 77 | // console.time(".recompute");
|
| 78 | this.insertSubjects.forEach(function (subject) { return subject.recompute(); });
|
| 79 | this.updateSubjects.forEach(function (subject) { return subject.recompute(); });
|
| 80 | this.removeSubjects.forEach(function (subject) { return subject.recompute(); });
|
| 81 | this.recompute();
|
| 82 | // console.timeEnd(".recompute");
|
| 83 | }
|
| 84 | // make sure our insert subjects are sorted (using topological sorting) to make cascade inserts work properly
|
| 85 | // console.timeEnd("prepare");
|
| 86 | // execute all insert operations
|
| 87 | // console.time(".insertion");
|
| 88 | this.insertSubjects = new SubjectTopoligicalSorter_1.SubjectTopoligicalSorter(this.insertSubjects).sort("insert");
|
| 89 | return [4 /*yield*/, this.executeInsertOperations()];
|
| 90 | case 3:
|
| 91 | _a.sent();
|
| 92 | // console.timeEnd(".insertion");
|
| 93 | // recompute update operations since insertion can create updation operations for the
|
| 94 | // properties it wasn't able to handle on its own (referenced columns)
|
| 95 | this.updateSubjects = this.allSubjects.filter(function (subject) { return subject.mustBeUpdated; });
|
| 96 | // execute update operations
|
| 97 | // console.time(".updation");
|
| 98 | return [4 /*yield*/, this.executeUpdateOperations()];
|
| 99 | case 4:
|
| 100 | // execute update operations
|
| 101 | // console.time(".updation");
|
| 102 | _a.sent();
|
| 103 | // console.timeEnd(".updation");
|
| 104 | // make sure our remove subjects are sorted (using topological sorting) when multiple entities are passed for the removal
|
| 105 | // console.time(".removal");
|
| 106 | this.removeSubjects = new SubjectTopoligicalSorter_1.SubjectTopoligicalSorter(this.removeSubjects).sort("delete");
|
| 107 | return [4 /*yield*/, this.executeRemoveOperations()];
|
| 108 | case 5:
|
| 109 | _a.sent();
|
| 110 | // console.timeEnd(".removal");
|
| 111 | // update all special columns in persisted entities, like inserted id or remove ids from the removed entities
|
| 112 | // console.time(".updateSpecialColumnsInPersistedEntities");
|
| 113 | return [4 /*yield*/, this.updateSpecialColumnsInPersistedEntities()];
|
| 114 | case 6:
|
| 115 | // console.timeEnd(".removal");
|
| 116 | // update all special columns in persisted entities, like inserted id or remove ids from the removed entities
|
| 117 | // console.time(".updateSpecialColumnsInPersistedEntities");
|
| 118 | _a.sent();
|
| 119 | if (!(!this.options || this.options.listeners !== false)) return [3 /*break*/, 8];
|
| 120 | // console.time(".broadcastAfterEventsForAll");
|
| 121 | broadcasterResult = this.broadcastAfterEventsForAll();
|
| 122 | if (!(broadcasterResult.promises.length > 0)) return [3 /*break*/, 8];
|
| 123 | return [4 /*yield*/, Promise.all(broadcasterResult.promises)];
|
| 124 | case 7:
|
| 125 | _a.sent();
|
| 126 | _a.label = 8;
|
| 127 | case 8: return [2 /*return*/];
|
| 128 | }
|
| 129 | });
|
| 130 | });
|
| 131 | };
|
| 132 | // -------------------------------------------------------------------------
|
| 133 | // Protected Methods
|
| 134 | // -------------------------------------------------------------------------
|
| 135 | /**
|
| 136 | * Validates all given subjects.
|
| 137 | */
|
| 138 | SubjectExecutor.prototype.validate = function () {
|
| 139 | this.allSubjects.forEach(function (subject) {
|
| 140 | if (subject.mustBeUpdated && subject.mustBeRemoved)
|
| 141 | throw new SubjectRemovedAndUpdatedError_1.SubjectRemovedAndUpdatedError(subject);
|
| 142 | });
|
| 143 | };
|
| 144 | /**
|
| 145 | * Performs entity re-computations - finds changed columns, re-builds insert/update/remove subjects.
|
| 146 | */
|
| 147 | SubjectExecutor.prototype.recompute = function () {
|
| 148 | new SubjectChangedColumnsComputer_1.SubjectChangedColumnsComputer().compute(this.allSubjects);
|
| 149 | this.insertSubjects = this.allSubjects.filter(function (subject) { return subject.mustBeInserted; });
|
| 150 | this.updateSubjects = this.allSubjects.filter(function (subject) { return subject.mustBeUpdated; });
|
| 151 | this.removeSubjects = this.allSubjects.filter(function (subject) { return subject.mustBeRemoved; });
|
| 152 | this.hasExecutableOperations = this.insertSubjects.length > 0 || this.updateSubjects.length > 0 || this.removeSubjects.length > 0;
|
| 153 | };
|
| 154 | /**
|
| 155 | * Broadcasts "BEFORE_INSERT", "BEFORE_UPDATE", "BEFORE_REMOVE" events for all given subjects.
|
| 156 | */
|
| 157 | SubjectExecutor.prototype.broadcastBeforeEventsForAll = function () {
|
| 158 | var _this = this;
|
| 159 | var result = new BroadcasterResult_1.BroadcasterResult();
|
| 160 | if (this.insertSubjects.length)
|
| 161 | this.insertSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastBeforeInsertEvent(result, subject.metadata, subject.entity); });
|
| 162 | if (this.updateSubjects.length)
|
| 163 | this.updateSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastBeforeUpdateEvent(result, subject.metadata, subject.entity, subject.databaseEntity, subject.diffColumns, subject.diffRelations); });
|
| 164 | if (this.removeSubjects.length)
|
| 165 | this.removeSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastBeforeRemoveEvent(result, subject.metadata, subject.entity, subject.databaseEntity); });
|
| 166 | return result;
|
| 167 | };
|
| 168 | /**
|
| 169 | * Broadcasts "AFTER_INSERT", "AFTER_UPDATE", "AFTER_REMOVE" events for all given subjects.
|
| 170 | * Returns void if there wasn't any listener or subscriber executed.
|
| 171 | * Note: this method has a performance-optimized code organization.
|
| 172 | */
|
| 173 | SubjectExecutor.prototype.broadcastAfterEventsForAll = function () {
|
| 174 | var _this = this;
|
| 175 | var result = new BroadcasterResult_1.BroadcasterResult();
|
| 176 | if (this.insertSubjects.length)
|
| 177 | this.insertSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastAfterInsertEvent(result, subject.metadata, subject.entity); });
|
| 178 | if (this.updateSubjects.length)
|
| 179 | this.updateSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastAfterUpdateEvent(result, subject.metadata, subject.entity, subject.databaseEntity, subject.diffColumns, subject.diffRelations); });
|
| 180 | if (this.removeSubjects.length)
|
| 181 | this.removeSubjects.forEach(function (subject) { return _this.queryRunner.broadcaster.broadcastAfterRemoveEvent(result, subject.metadata, subject.entity, subject.databaseEntity); });
|
| 182 | return result;
|
| 183 | };
|
| 184 | /**
|
| 185 | * Executes insert operations.
|
| 186 | */
|
| 187 | SubjectExecutor.prototype.executeInsertOperations = function () {
|
| 188 | return tslib_1.__awaiter(this, void 0, void 0, function () {
|
| 189 | var _a, groupedInsertSubjects, groupedInsertSubjectKeys;
|
| 190 | var _this = this;
|
| 191 | return tslib_1.__generator(this, function (_b) {
|
| 192 | switch (_b.label) {
|
| 193 | case 0:
|
| 194 | _a = tslib_1.__read(this.groupBulkSubjects(this.insertSubjects, "insert"), 2), groupedInsertSubjects = _a[0], groupedInsertSubjectKeys = _a[1];
|
| 195 | // then we run insertion in the sequential order which is important since we have an ordered subjects
|
| 196 | return [4 /*yield*/, PromiseUtils_1.PromiseUtils.runInSequence(groupedInsertSubjectKeys, function (groupName) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
|
| 197 | var subjects, bulkInsertMaps, bulkInsertSubjects, singleInsertSubjects, manager, insertResult_1, insertResult_2;
|
| 198 | var _this = this;
|
| 199 | return tslib_1.__generator(this, function (_a) {
|
| 200 | switch (_a.label) {
|
| 201 | case 0:
|
| 202 | subjects = groupedInsertSubjects[groupName];
|
| 203 | bulkInsertMaps = [];
|
| 204 | bulkInsertSubjects = [];
|
| 205 | singleInsertSubjects = [];
|
| 206 | if (this.queryRunner.connection.driver instanceof MongoDriver_1.MongoDriver) {
|
| 207 | subjects.forEach(function (subject) {
|
| 208 | if (subject.metadata.createDateColumn && subject.entity) {
|
| 209 | subject.entity[subject.metadata.createDateColumn.databaseName] = new Date();
|
| 210 | }
|
| 211 | if (subject.metadata.updateDateColumn && subject.entity) {
|
| 212 | subject.entity[subject.metadata.updateDateColumn.databaseName] = new Date();
|
| 213 | }
|
| 214 | subject.createValueSetAndPopChangeMap();
|
| 215 | bulkInsertSubjects.push(subject);
|
| 216 | bulkInsertMaps.push(subject.entity);
|
| 217 | });
|
| 218 | }
|
| 219 | else if (this.queryRunner.connection.driver instanceof OracleDriver_1.OracleDriver) {
|
| 220 | subjects.forEach(function (subject) {
|
| 221 | singleInsertSubjects.push(subject);
|
| 222 | });
|
| 223 | }
|
| 224 | else {
|
| 225 | subjects.forEach(function (subject) {
|
| 226 | // we do not insert in bulk in following cases:
|
| 227 | // - when there is no values in insert (only defaults are inserted), since we cannot use DEFAULT VALUES expression for multiple inserted rows
|
| 228 | // - when entity is a tree table, since tree tables require extra operation per each inserted row
|
| 229 | // - when oracle is used, since oracle's bulk insertion is very bad
|
| 230 | if (subject.changeMaps.length === 0 ||
|
| 231 | subject.metadata.treeType ||
|
| 232 | _this.queryRunner.connection.driver instanceof OracleDriver_1.OracleDriver) {
|
| 233 | singleInsertSubjects.push(subject);
|
| 234 | }
|
| 235 | else {
|
| 236 | bulkInsertSubjects.push(subject);
|
| 237 | bulkInsertMaps.push(subject.createValueSetAndPopChangeMap());
|
| 238 | }
|
| 239 | });
|
| 240 | }
|
| 241 | if (!(this.queryRunner instanceof MongoQueryRunner_1.MongoQueryRunner)) return [3 /*break*/, 2];
|
| 242 | manager = this.queryRunner.manager;
|
| 243 | return [4 /*yield*/, manager.insert(subjects[0].metadata.target, bulkInsertMaps)];
|
| 244 | case 1:
|
| 245 | insertResult_1 = _a.sent();
|
| 246 | subjects.forEach(function (subject, index) {
|
| 247 | subject.identifier = insertResult_1.identifiers[index];
|
| 248 | subject.generatedMap = insertResult_1.generatedMaps[index];
|
| 249 | subject.insertedValueSet = bulkInsertMaps[index];
|
| 250 | });
|
| 251 | return [3 /*break*/, 6];
|
| 252 | case 2:
|
| 253 | if (!(bulkInsertMaps.length > 0)) return [3 /*break*/, 4];
|
| 254 | return [4 /*yield*/, this.queryRunner
|
| 255 | .manager
|
| 256 | .createQueryBuilder()
|
| 257 | .insert()
|
| 258 | .into(subjects[0].metadata.target)
|
| 259 | .values(bulkInsertMaps)
|
| 260 | .updateEntity(this.options && this.options.reload === false ? false : true)
|
| 261 | .callListeners(false)
|
| 262 | .execute()];
|
| 263 | case 3:
|
| 264 | insertResult_2 = _a.sent();
|
| 265 | bulkInsertSubjects.forEach(function (subject, index) {
|
| 266 | subject.identifier = insertResult_2.identifiers[index];
|
| 267 | subject.generatedMap = insertResult_2.generatedMaps[index];
|
| 268 | subject.insertedValueSet = bulkInsertMaps[index];
|
| 269 | });
|
| 270 | _a.label = 4;
|
| 271 | case 4:
|
| 272 | if (!(singleInsertSubjects.length > 0)) return [3 /*break*/, 6];
|
| 273 | return [4 /*yield*/, PromiseUtils_1.PromiseUtils.runInSequence(singleInsertSubjects, function (subject) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
|
| 274 | return tslib_1.__generator(this, function (_a) {
|
| 275 | switch (_a.label) {
|
| 276 | case 0:
|
| 277 | subject.insertedValueSet = subject.createValueSetAndPopChangeMap(); // important to have because query builder sets inserted values into it
|
| 278 | if (!(subject.metadata.treeType === "nested-set")) return [3 /*break*/, 2];
|
| 279 | return [4 /*yield*/, new NestedSetSubjectExecutor_1.NestedSetSubjectExecutor(this.queryRunner).insert(subject)];
|
| 280 | case 1:
|
| 281 | _a.sent();
|
| 282 | _a.label = 2;
|
| 283 | case 2: return [4 /*yield*/, this.queryRunner
|
| 284 | .manager
|
| 285 | .createQueryBuilder()
|
| 286 | .insert()
|
| 287 | .into(subject.metadata.target)
|
| 288 | .values(subject.insertedValueSet)
|
| 289 | .updateEntity(this.options && this.options.reload === false ? false : true)
|
| 290 | .callListeners(false)
|
| 291 | .execute()
|
| 292 | .then(function (insertResult) {
|
| 293 | subject.identifier = insertResult.identifiers[0];
|
| 294 | subject.generatedMap = insertResult.generatedMaps[0];
|
| 295 | })];
|
| 296 | case 3:
|
| 297 | _a.sent();
|
| 298 | if (!(subject.metadata.treeType === "closure-table")) return [3 /*break*/, 5];
|
| 299 | return [4 /*yield*/, new ClosureSubjectExecutor_1.ClosureSubjectExecutor(this.queryRunner).insert(subject)];
|
| 300 | case 4:
|
| 301 | _a.sent();
|
| 302 | return [3 /*break*/, 7];
|
| 303 | case 5:
|
| 304 | if (!(subject.metadata.treeType === "materialized-path")) return [3 /*break*/, 7];
|
| 305 | return [4 /*yield*/, new MaterializedPathSubjectExecutor_1.MaterializedPathSubjectExecutor(this.queryRunner).insert(subject)];
|
| 306 | case 6:
|
| 307 | _a.sent();
|
| 308 | _a.label = 7;
|
| 309 | case 7: return [2 /*return*/];
|
| 310 | }
|
| 311 | });
|
| 312 | }); })];
|
| 313 | case 5:
|
| 314 | _a.sent();
|
| 315 | _a.label = 6;
|
| 316 | case 6:
|
| 317 | subjects.forEach(function (subject) {
|
| 318 | if (subject.generatedMap) {
|
| 319 | subject.metadata.columns.forEach(function (column) {
|
| 320 | var value = column.getEntityValue(subject.generatedMap);
|
| 321 | if (value !== undefined && value !== null) {
|
| 322 | var preparedValue = _this.queryRunner.connection.driver.prepareHydratedValue(value, column);
|
| 323 | column.setEntityValue(subject.generatedMap, preparedValue);
|
| 324 | }
|
| 325 | });
|
| 326 | }
|
| 327 | });
|
| 328 | return [2 /*return*/];
|
| 329 | }
|
| 330 | });
|
| 331 | }); })];
|
| 332 | case 1:
|
| 333 | // then we run insertion in the sequential order which is important since we have an ordered subjects
|
| 334 | _b.sent();
|
| 335 | return [2 /*return*/];
|
| 336 | }
|
| 337 | });
|
| 338 | });
|
| 339 | };
|
| 340 | /**
|
| 341 | * Updates all given subjects in the database.
|
| 342 | */
|
| 343 | SubjectExecutor.prototype.executeUpdateOperations = function () {
|
| 344 | return tslib_1.__awaiter(this, void 0, void 0, function () {
|
| 345 | var _this = this;
|
| 346 | return tslib_1.__generator(this, function (_a) {
|
| 347 | switch (_a.label) {
|
| 348 | case 0: return [4 /*yield*/, Promise.all(this.updateSubjects.map(function (subject) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
|
| 349 | var partialEntity, manager, updateMap, updateQueryBuilder, updateResult;
|
| 350 | var _this = this;
|
| 351 | return tslib_1.__generator(this, function (_a) {
|
| 352 | switch (_a.label) {
|
| 353 | case 0:
|
| 354 | if (!subject.identifier)
|
| 355 | throw new SubjectWithoutIdentifierError_1.SubjectWithoutIdentifierError(subject);
|
| 356 | if (!(this.queryRunner instanceof MongoQueryRunner_1.MongoQueryRunner)) return [3 /*break*/, 2];
|
| 357 | partialEntity = OrmUtils_1.OrmUtils.mergeDeep({}, subject.entity);
|
| 358 | if (subject.metadata.objectIdColumn && subject.metadata.objectIdColumn.propertyName) {
|
| 359 | delete partialEntity[subject.metadata.objectIdColumn.propertyName];
|
| 360 | }
|
| 361 | if (subject.metadata.createDateColumn && subject.metadata.createDateColumn.propertyName) {
|
| 362 | delete partialEntity[subject.metadata.createDateColumn.propertyName];
|
| 363 | }
|
| 364 | if (subject.metadata.updateDateColumn && subject.metadata.updateDateColumn.propertyName) {
|
| 365 | partialEntity[subject.metadata.updateDateColumn.propertyName] = new Date();
|
| 366 | }
|
| 367 | manager = this.queryRunner.manager;
|
| 368 | return [4 /*yield*/, manager.update(subject.metadata.target, subject.identifier, partialEntity)];
|
| 369 | case 1:
|
| 370 | _a.sent();
|
| 371 | return [3 /*break*/, 4];
|
| 372 | case 2:
|
| 373 | updateMap = subject.createValueSetAndPopChangeMap();
|
| 374 | updateQueryBuilder = this.queryRunner
|
| 375 | .manager
|
| 376 | .createQueryBuilder()
|
| 377 | .update(subject.metadata.target)
|
| 378 | .set(updateMap)
|
| 379 | .updateEntity(this.options && this.options.reload === false ? false : true)
|
| 380 | .callListeners(false);
|
| 381 | if (subject.entity) {
|
| 382 | updateQueryBuilder.whereEntity(subject.identifier);
|
| 383 | }
|
| 384 | else { // in this case identifier is just conditions object to update by
|
| 385 | updateQueryBuilder.where(subject.identifier);
|
| 386 | }
|
| 387 | return [4 /*yield*/, updateQueryBuilder.execute()];
|
| 388 | case 3:
|
| 389 | updateResult = _a.sent();
|
| 390 | subject.generatedMap = updateResult.generatedMaps[0];
|
| 391 | if (subject.generatedMap) {
|
| 392 | subject.metadata.columns.forEach(function (column) {
|
| 393 | var value = column.getEntityValue(subject.generatedMap);
|
| 394 | if (value !== undefined && value !== null) {
|
| 395 | var preparedValue = _this.queryRunner.connection.driver.prepareHydratedValue(value, column);
|
| 396 | column.setEntityValue(subject.generatedMap, preparedValue);
|
| 397 | }
|
| 398 | });
|
| 399 | }
|
| 400 | _a.label = 4;
|
| 401 | case 4: return [2 /*return*/];
|
| 402 | }
|
| 403 | });
|
| 404 | }); }))];
|
| 405 | case 1:
|
| 406 | _a.sent();
|
| 407 | return [2 /*return*/];
|
| 408 | }
|
| 409 | });
|
| 410 | });
|
| 411 | };
|
| 412 | /**
|
| 413 | * Removes all given subjects from the database.
|
| 414 | *
|
| 415 | * todo: we need to apply topological sort here as well
|
| 416 | */
|
| 417 | SubjectExecutor.prototype.executeRemoveOperations = function () {
|
| 418 | return tslib_1.__awaiter(this, void 0, void 0, function () {
|
| 419 | var _a, groupedRemoveSubjects, groupedRemoveSubjectKeys;
|
| 420 | var _this = this;
|
| 421 | return tslib_1.__generator(this, function (_b) {
|
| 422 | switch (_b.label) {
|
| 423 | case 0:
|
| 424 | _a = tslib_1.__read(this.groupBulkSubjects(this.removeSubjects, "delete"), 2), groupedRemoveSubjects = _a[0], groupedRemoveSubjectKeys = _a[1];
|
| 425 | return [4 /*yield*/, PromiseUtils_1.PromiseUtils.runInSequence(groupedRemoveSubjectKeys, function (groupName) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
|
| 426 | var subjects, deleteMaps, manager;
|
| 427 | return tslib_1.__generator(this, function (_a) {
|
| 428 | switch (_a.label) {
|
| 429 | case 0:
|
| 430 | subjects = groupedRemoveSubjects[groupName];
|
| 431 | deleteMaps = subjects.map(function (subject) {
|
| 432 | if (!subject.identifier)
|
| 433 | throw new SubjectWithoutIdentifierError_1.SubjectWithoutIdentifierError(subject);
|
| 434 | return subject.identifier;
|
| 435 | });
|
| 436 | if (!(this.queryRunner instanceof MongoQueryRunner_1.MongoQueryRunner)) return [3 /*break*/, 2];
|
| 437 | manager = this.queryRunner.manager;
|
| 438 | return [4 /*yield*/, manager.delete(subjects[0].metadata.target, deleteMaps)];
|
| 439 | case 1:
|
| 440 | _a.sent();
|
| 441 | return [3 /*break*/, 4];
|
| 442 | case 2:
|
| 443 | // here we execute our deletion query
|
| 444 | // we don't need to specify entities and set update entity to true since the only thing query builder
|
| 445 | // will do for use is a primary keys deletion which is handled by us later once persistence is finished
|
| 446 | // also, we disable listeners because we call them on our own in persistence layer
|
| 447 | return [4 /*yield*/, this.queryRunner
|
| 448 | .manager
|
| 449 | .createQueryBuilder()
|
| 450 | .delete()
|
| 451 | .from(subjects[0].metadata.target)
|
| 452 | .where(deleteMaps)
|
| 453 | .callListeners(false)
|
| 454 | .execute()];
|
| 455 | case 3:
|
| 456 | // here we execute our deletion query
|
| 457 | // we don't need to specify entities and set update entity to true since the only thing query builder
|
| 458 | // will do for use is a primary keys deletion which is handled by us later once persistence is finished
|
| 459 | // also, we disable listeners because we call them on our own in persistence layer
|
| 460 | _a.sent();
|
| 461 | _a.label = 4;
|
| 462 | case 4: return [2 /*return*/];
|
| 463 | }
|
| 464 | });
|
| 465 | }); })];
|
| 466 | case 1:
|
| 467 | _b.sent();
|
| 468 | return [2 /*return*/];
|
| 469 | }
|
| 470 | });
|
| 471 | });
|
| 472 | };
|
| 473 | /**
|
| 474 | * Updates all special columns of the saving entities (create date, update date, version, etc.).
|
| 475 | * Also updates nullable columns and columns with default values.
|
| 476 | */
|
| 477 | SubjectExecutor.prototype.updateSpecialColumnsInPersistedEntities = function () {
|
| 478 | var _this = this;
|
| 479 | // update inserted entity properties
|
| 480 | if (this.insertSubjects.length)
|
| 481 | this.updateSpecialColumnsInInsertedAndUpdatedEntities(this.insertSubjects);
|
| 482 | // update updated entity properties
|
| 483 | if (this.updateSubjects.length)
|
| 484 | this.updateSpecialColumnsInInsertedAndUpdatedEntities(this.updateSubjects);
|
| 485 | // remove ids from the entities that were removed
|
| 486 | if (this.removeSubjects.length) {
|
| 487 | this.removeSubjects.forEach(function (subject) {
|
| 488 | if (!subject.entity)
|
| 489 | return;
|
| 490 | subject.metadata.primaryColumns.forEach(function (primaryColumn) {
|
| 491 | primaryColumn.setEntityValue(subject.entity, undefined);
|
| 492 | });
|
| 493 | });
|
| 494 | }
|
| 495 | // other post-persist updations
|
| 496 | this.allSubjects.forEach(function (subject) {
|
| 497 | if (!subject.entity)
|
| 498 | return;
|
| 499 | subject.metadata.relationIds.forEach(function (relationId) {
|
| 500 | relationId.setValue(subject.entity);
|
| 501 | });
|
| 502 | // mongo _id remove
|
| 503 | if (_this.queryRunner instanceof MongoQueryRunner_1.MongoQueryRunner) {
|
| 504 | if (subject.metadata.objectIdColumn
|
| 505 | && subject.metadata.objectIdColumn.databaseName
|
| 506 | && subject.metadata.objectIdColumn.databaseName !== subject.metadata.objectIdColumn.propertyName) {
|
| 507 | delete subject.entity[subject.metadata.objectIdColumn.databaseName];
|
| 508 | }
|
| 509 | }
|
| 510 | });
|
| 511 | };
|
| 512 | /**
|
| 513 | * Updates all special columns of the saving entities (create date, update date, version, etc.).
|
| 514 | * Also updates nullable columns and columns with default values.
|
| 515 | */
|
| 516 | SubjectExecutor.prototype.updateSpecialColumnsInInsertedAndUpdatedEntities = function (subjects) {
|
| 517 | var _this = this;
|
| 518 | subjects.forEach(function (subject) {
|
| 519 | if (!subject.entity)
|
| 520 | return;
|
| 521 | // set values to "null" for nullable columns that did not have values
|
| 522 | subject.metadata.columns.forEach(function (column) {
|
| 523 | // if table inheritance is used make sure this column is not child's column
|
| 524 | if (subject.metadata.childEntityMetadatas.length > 0 && subject.metadata.childEntityMetadatas.map(function (metadata) { return metadata.target; }).indexOf(column.target) !== -1)
|
| 525 | return;
|
| 526 | // entities does not have virtual columns
|
| 527 | if (column.isVirtual)
|
| 528 | return;
|
| 529 | // update nullable columns
|
| 530 | if (column.isNullable) {
|
| 531 | var columnValue = column.getEntityValue(subject.entity);
|
| 532 | if (columnValue === undefined)
|
| 533 | column.setEntityValue(subject.entity, null);
|
| 534 | }
|
| 535 | // update relational columns
|
| 536 | if (subject.updatedRelationMaps.length > 0) {
|
| 537 | subject.updatedRelationMaps.forEach(function (updatedRelationMap) {
|
| 538 | updatedRelationMap.relation.joinColumns.forEach(function (column) {
|
| 539 | if (column.isVirtual === true)
|
| 540 | return;
|
| 541 | column.setEntityValue(subject.entity, updatedRelationMap.value instanceof Object ? column.referencedColumn.getEntityValue(updatedRelationMap.value) : updatedRelationMap.value);
|
| 542 | });
|
| 543 | });
|
| 544 | }
|
| 545 | });
|
| 546 | // merge into entity all generated values returned by a database
|
| 547 | if (subject.generatedMap)
|
| 548 | _this.queryRunner.manager.merge(subject.metadata.target, subject.entity, subject.generatedMap);
|
| 549 | });
|
| 550 | };
|
| 551 | /**
|
| 552 | * Groups subjects by metadata names (by tables) to make bulk insertions and deletions possible.
|
| 553 | * However there are some limitations with bulk insertions of data into tables with generated (increment) columns
|
| 554 | * in some drivers. Some drivers like mysql and sqlite does not support returning multiple generated columns
|
| 555 | * after insertion and can only return a single generated column value, that's why its not possible to do bulk insertion,
|
| 556 | * because it breaks insertion result's generatedMap and leads to problems when this subject is used in other subjects saves.
|
| 557 | * That's why we only support bulking in junction tables for those drivers.
|
| 558 | *
|
| 559 | * Other drivers like postgres and sql server support RETURNING / OUTPUT statement which allows to return generated
|
| 560 | * id for each inserted row, that's why bulk insertion is not limited to junction tables in there.
|
| 561 | */
|
| 562 | SubjectExecutor.prototype.groupBulkSubjects = function (subjects, type) {
|
| 563 | var group = {};
|
| 564 | var keys = [];
|
| 565 | var groupingAllowed = type === "delete" || this.queryRunner.connection.driver.isReturningSqlSupported();
|
| 566 | subjects.forEach(function (subject, index) {
|
| 567 | var key = groupingAllowed || subject.metadata.isJunction ? subject.metadata.name : subject.metadata.name + "_" + index;
|
| 568 | if (!group[key]) {
|
| 569 | group[key] = [subject];
|
| 570 | keys.push(key);
|
| 571 | }
|
| 572 | else {
|
| 573 | group[key].push(subject);
|
| 574 | }
|
| 575 | });
|
| 576 | return [group, keys];
|
| 577 | };
|
| 578 | return SubjectExecutor;
|
| 579 | }());
|
| 580 | exports.SubjectExecutor = SubjectExecutor;
|
| 581 |
|
| 582 | //# sourceMappingURL=SubjectExecutor.js.map
|