typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
147 lines (144 loc) • 9.13 kB
JavaScript
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 };
}
};
import { CannotAttachTreeChildrenEntityError } from "../../error/CannotAttachTreeChildrenEntityError";
/**
* Executes subject operations for closure entities.
*/
var ClosureSubjectExecutor = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function ClosureSubjectExecutor(queryRunner) {
this.queryRunner = queryRunner;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Removes all children of the given subject's entity.
async deleteChildrenOf(subject: Subject) {
// const relationValue = subject.metadata.treeParentRelation.getEntityValue(subject.databaseEntity);
// console.log("relationValue: ", relationValue);
// this.queryRunner.manager
// .createQueryBuilder()
// .from(subject.metadata.closureJunctionTable.target, "tree")
// .where("tree.");
}*/
/**
* Executes operations when subject is being inserted.
*/
ClosureSubjectExecutor.prototype.insert = function (subject) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var closureJunctionInsertMap, parent, escape_1, tableName, ancestorColumnNames, descendantColumnNames, firstQueryParameters_1, childEntityIdValues_1, childEntityIds1, whereCondition;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
closureJunctionInsertMap = {};
subject.metadata.closureJunctionTable.ancestorColumns.forEach(function (column) {
closureJunctionInsertMap[column.databaseName] = subject.identifier;
});
subject.metadata.closureJunctionTable.descendantColumns.forEach(function (column) {
closureJunctionInsertMap[column.databaseName] = subject.identifier;
});
// insert values into the closure junction table
return [4 /*yield*/, this.queryRunner
.manager
.createQueryBuilder()
.insert()
.into(subject.metadata.closureJunctionTable.tablePath)
.values(closureJunctionInsertMap)
.updateEntity(false)
.callListeners(false)
.execute()];
case 1:
// insert values into the closure junction table
_a.sent();
parent = subject.metadata.treeParentRelation.getEntityValue(subject.entity);
if (!parent && subject.parentSubject && subject.parentSubject.entity) // if entity was attached via children
parent = subject.parentSubject.insertedValueSet ? subject.parentSubject.insertedValueSet : subject.parentSubject.entity;
if (!parent) return [3 /*break*/, 3];
escape_1 = function (alias) { return _this.queryRunner.connection.driver.escape(alias); };
tableName = this.getTableName(subject.metadata.closureJunctionTable.tablePath);
ancestorColumnNames = subject.metadata.closureJunctionTable.ancestorColumns.map(function (column) {
return escape_1(column.databaseName);
});
descendantColumnNames = subject.metadata.closureJunctionTable.descendantColumns.map(function (column) {
return escape_1(column.databaseName);
});
firstQueryParameters_1 = [];
childEntityIdValues_1 = subject.metadata.primaryColumns.map(function (column) { return column.getEntityValue(subject.insertedValueSet); });
childEntityIds1 = subject.metadata.primaryColumns.map(function (column, index) {
firstQueryParameters_1.push(childEntityIdValues_1[index]);
return _this.queryRunner.connection.driver.createParameter("child_entity_" + column.databaseName, firstQueryParameters_1.length - 1);
});
whereCondition = subject.metadata.primaryColumns.map(function (column) {
var columnName = escape_1(column.databaseName + "_descendant");
var parentId = column.getEntityValue(parent);
if (!parentId)
throw new CannotAttachTreeChildrenEntityError(subject.metadata.name);
firstQueryParameters_1.push(parentId);
var parameterName = _this.queryRunner.connection.driver.createParameter("parent_entity_" + column.databaseName, firstQueryParameters_1.length - 1);
return columnName + " = " + parameterName;
}).join(", ");
return [4 /*yield*/, this.queryRunner.query("INSERT INTO " + tableName + " (" + ancestorColumnNames.concat(descendantColumnNames).join(", ") + ") " +
("SELECT " + ancestorColumnNames.join(", ") + ", " + childEntityIds1.join(", ") + " FROM " + tableName + " WHERE " + whereCondition), firstQueryParameters_1)];
case 2:
_a.sent();
_a.label = 3;
case 3: return [2 /*return*/];
}
});
});
};
/**
* Gets escaped table name with schema name if SqlServer or Postgres driver used with custom
* schema name, otherwise returns escaped table name.
*/
ClosureSubjectExecutor.prototype.getTableName = function (tablePath) {
var _this = this;
return tablePath.split(".")
.map(function (i) {
// this condition need because in SQL Server driver when custom database name was specified and schema name was not, we got `dbName..tableName` string, and doesn't need to escape middle empty string
if (i === "")
return i;
return _this.queryRunner.connection.driver.escape(i);
}).join(".");
};
return ClosureSubjectExecutor;
}());
export { ClosureSubjectExecutor };
//# sourceMappingURL=ClosureSubjectExecutor.js.map