typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
510 lines (508 loc) • 21.4 kB
JavaScript
"use strict";
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 DateUtils_1 = require("../../util/DateUtils");
var RdbmsSchemaBuilder_1 = require("../../schema-builder/RdbmsSchemaBuilder");
var OrmUtils_1 = require("../../util/OrmUtils");
/**
* Organizes communication with sqlite DBMS.
*/
var AbstractSqliteDriver = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function AbstractSqliteDriver(connection) {
/**
* Indicates if replication is enabled.
*/
this.isReplicated = false;
/**
* Indicates if tree tables are supported by this driver.
*/
this.treeSupport = true;
/**
* Gets list of supported column data types by a driver.
*
* @see https://www.tutorialspoint.com/sqlite/sqlite_data_types.htm
* @see https://sqlite.org/datatype3.html
*/
this.supportedDataTypes = [
"int",
"integer",
"tinyint",
"smallint",
"mediumint",
"bigint",
"unsigned big int",
"int2",
"int8",
"integer",
"character",
"varchar",
"varying character",
"nchar",
"native character",
"nvarchar",
"text",
"clob",
"text",
"blob",
"real",
"double",
"double precision",
"float",
"real",
"numeric",
"decimal",
"boolean",
"date",
"time",
"datetime"
];
/**
* Gets list of column data types that support length by a driver.
*/
this.withLengthColumnTypes = [
"character",
"varchar",
"varying character",
"nchar",
"native character",
"nvarchar",
"text",
"blob",
"clob"
];
/**
* Gets list of spatial column data types.
*/
this.spatialTypes = [];
/**
* Gets list of column data types that support precision by a driver.
*/
this.withPrecisionColumnTypes = [];
/**
* Gets list of column data types that support scale by a driver.
*/
this.withScaleColumnTypes = [];
/**
* Orm has special columns and we need to know what database column types should be for those types.
* Column types are driver dependant.
*/
this.mappedDataTypes = {
createDate: "datetime",
createDateDefault: "datetime('now')",
updateDate: "datetime",
updateDateDefault: "datetime('now')",
version: "integer",
treeLevel: "integer",
migrationId: "integer",
migrationName: "varchar",
migrationTimestamp: "bigint",
cacheId: "int",
cacheIdentifier: "varchar",
cacheTime: "bigint",
cacheDuration: "int",
cacheQuery: "text",
cacheResult: "text",
};
this.connection = connection;
this.options = connection.options;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Performs connection to the database.
*/
AbstractSqliteDriver.prototype.connect = function () {
return __awaiter(this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = this;
return [4 /*yield*/, this.createDatabaseConnection()];
case 1:
_a.databaseConnection = _b.sent();
return [2 /*return*/];
}
});
});
};
/**
* Makes any action after connection (e.g. create extensions in Postgres driver).
*/
AbstractSqliteDriver.prototype.afterConnect = function () {
return Promise.resolve();
};
/**
* Closes connection with database.
*/
AbstractSqliteDriver.prototype.disconnect = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (ok, fail) {
_this.queryRunner = undefined;
_this.databaseConnection.close(function (err) { return err ? fail(err) : ok(); });
})];
});
});
};
/**
* Creates a schema builder used to build and sync a schema.
*/
AbstractSqliteDriver.prototype.createSchemaBuilder = function () {
return new RdbmsSchemaBuilder_1.RdbmsSchemaBuilder(this.connection);
};
/**
* Prepares given value to a value to be persisted, based on its column type and metadata.
*/
AbstractSqliteDriver.prototype.preparePersistentValue = function (value, columnMetadata) {
if (columnMetadata.transformer)
value = columnMetadata.transformer.to(value);
if (value === null || value === undefined)
return value;
if (columnMetadata.type === Boolean || columnMetadata.type === "boolean") {
return value === true ? 1 : 0;
}
else if (columnMetadata.type === "date") {
return DateUtils_1.DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
return DateUtils_1.DateUtils.mixedDateToTimeString(value);
}
else if (columnMetadata.type === "datetime" || columnMetadata.type === Date) {
// to string conversation needs because SQLite stores date as integer number, when date came as Object
// TODO: think about `toUTC` conversion
return DateUtils_1.DateUtils.mixedDateToUtcDatetimeString(value);
}
else if (columnMetadata.type === "simple-array") {
return DateUtils_1.DateUtils.simpleArrayToString(value);
}
else if (columnMetadata.type === "simple-json") {
return DateUtils_1.DateUtils.simpleJsonToString(value);
}
return value;
};
/**
* Prepares given value to a value to be hydrated, based on its column type or metadata.
*/
AbstractSqliteDriver.prototype.prepareHydratedValue = function (value, columnMetadata) {
if (value === null || value === undefined)
return value;
if (columnMetadata.type === Boolean || columnMetadata.type === "boolean") {
value = value ? true : false;
}
else if (columnMetadata.type === "datetime" || columnMetadata.type === Date) {
/**
* Fix date conversion issue
*
* If the format of the date string is "2018-03-14 02:33:33.906", Safari (and iOS WKWebView) will convert it to an invalid date object.
* We need to modify the date string to "2018-03-14T02:33:33.906Z" and Safari will convert it correctly.
*
* ISO 8601
* https://www.w3.org/TR/NOTE-datetime
*/
if (value && typeof value === "string") {
value = value.replace(" ", "T") + "Z";
}
value = DateUtils_1.DateUtils.normalizeHydratedDate(value);
}
else if (columnMetadata.type === "date") {
value = DateUtils_1.DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
value = DateUtils_1.DateUtils.mixedTimeToString(value);
}
else if (columnMetadata.type === "simple-array") {
value = DateUtils_1.DateUtils.stringToSimpleArray(value);
}
else if (columnMetadata.type === "simple-json") {
value = DateUtils_1.DateUtils.stringToSimpleJson(value);
}
if (columnMetadata.transformer)
value = columnMetadata.transformer.from(value);
return value;
};
/**
* Replaces parameters in the given sql with special escaping character
* and an array of parameter names to be passed to a query.
*/
AbstractSqliteDriver.prototype.escapeQueryWithParameters = function (sql, parameters, nativeParameters) {
var builtParameters = Object.keys(nativeParameters).map(function (key) {
// Mapping boolean values to their numeric representation
if (typeof nativeParameters[key] === "boolean") {
return nativeParameters[key] === true ? 1 : 0;
}
return nativeParameters[key];
});
if (!parameters || !Object.keys(parameters).length)
return [sql, builtParameters];
var keys = Object.keys(parameters).map(function (parameter) { return "(:(\\.\\.\\.)?" + parameter + "\\b)"; }).join("|");
sql = sql.replace(new RegExp(keys, "g"), function (key) {
var value;
var isArray = false;
if (key.substr(0, 4) === ":...") {
isArray = true;
value = parameters[key.substr(4)];
}
else {
value = parameters[key.substr(1)];
}
if (isArray) {
return value.map(function (v) {
builtParameters.push(v);
return "?";
// return "$" + builtParameters.length;
}).join(", ");
}
else if (value instanceof Function) {
return value();
}
else {
builtParameters.push(value);
return "?";
// return "$" + builtParameters.length;
}
}); // todo: make replace only in value statements, otherwise problems
return [sql, builtParameters];
};
/**
* Escapes a column name.
*/
AbstractSqliteDriver.prototype.escape = function (columnName) {
return "\"" + columnName + "\"";
};
/**
* Build full table name with database name, schema name and table name.
* E.g. "myDB"."mySchema"."myTable"
*
* Returns only simple table name because all inherited drivers does not supports schema and database.
*/
AbstractSqliteDriver.prototype.buildTableName = function (tableName, schema, database) {
return tableName;
};
/**
* Creates a database type from a given column metadata.
*/
AbstractSqliteDriver.prototype.normalizeType = function (column) {
if (column.type === Number || column.type === "int") {
return "integer";
}
else if (column.type === String) {
return "varchar";
}
else if (column.type === Date) {
return "datetime";
}
else if (column.type === Boolean) {
return "boolean";
}
else if (column.type === "uuid") {
return "varchar";
}
else if (column.type === "simple-array") {
return "text";
}
else if (column.type === "simple-json") {
return "text";
}
else {
return column.type || "";
}
};
/**
* Normalizes "default" value of the column.
*/
AbstractSqliteDriver.prototype.normalizeDefault = function (columnMetadata) {
var defaultValue = columnMetadata.default;
if (typeof defaultValue === "number") {
return "" + defaultValue;
}
else if (typeof defaultValue === "boolean") {
return defaultValue === true ? "1" : "0";
}
else if (typeof defaultValue === "function") {
return defaultValue();
}
else if (typeof defaultValue === "string") {
return "'" + defaultValue + "'";
}
else {
return defaultValue;
}
};
/**
* Normalizes "isUnique" value of the column.
*/
AbstractSqliteDriver.prototype.normalizeIsUnique = function (column) {
return column.entityMetadata.uniques.some(function (uq) { return uq.columns.length === 1 && uq.columns[0] === column; });
};
/**
* Calculates column length taking into account the default length values.
*/
AbstractSqliteDriver.prototype.getColumnLength = function (column) {
return column.length ? column.length.toString() : "";
};
/**
* Normalizes "default" value of the column.
*/
AbstractSqliteDriver.prototype.createFullType = function (column) {
var type = column.type;
if (column.length) {
type += "(" + column.length + ")";
}
else if (column.precision !== null && column.precision !== undefined && column.scale !== null && column.scale !== undefined) {
type += "(" + column.precision + "," + column.scale + ")";
}
else if (column.precision !== null && column.precision !== undefined) {
type += "(" + column.precision + ")";
}
if (column.isArray)
type += " array";
return type;
};
/**
* Obtains a new database connection to a master server.
* Used for replication.
* If replication is not setup then returns default connection's database connection.
*/
AbstractSqliteDriver.prototype.obtainMasterConnection = function () {
return Promise.resolve();
};
/**
* Obtains a new database connection to a slave server.
* Used for replication.
* If replication is not setup then returns master (default) connection's database connection.
*/
AbstractSqliteDriver.prototype.obtainSlaveConnection = function () {
return Promise.resolve();
};
/**
* Creates generated map of values generated or returned by database after INSERT query.
*/
AbstractSqliteDriver.prototype.createGeneratedMap = function (metadata, insertResult) {
var generatedMap = metadata.generatedColumns.reduce(function (map, generatedColumn) {
var value;
if (generatedColumn.generationStrategy === "increment" && insertResult) {
value = insertResult;
// } else if (generatedColumn.generationStrategy === "uuid") {
// value = insertValue[generatedColumn.databaseName];
}
if (!value)
return map;
return OrmUtils_1.OrmUtils.mergeDeep(map, generatedColumn.createValueMap(value));
}, {});
return Object.keys(generatedMap).length > 0 ? generatedMap : undefined;
};
/**
* Differentiate columns of this table and columns from the given column metadatas columns
* and returns only changed.
*/
AbstractSqliteDriver.prototype.findChangedColumns = function (tableColumns, columnMetadatas) {
var _this = this;
return columnMetadatas.filter(function (columnMetadata) {
var tableColumn = tableColumns.find(function (c) { return c.name === columnMetadata.databaseName; });
if (!tableColumn)
return false; // we don't need new columns, we only need exist and changed
// console.log("table:", columnMetadata.entityMetadata.tableName);
// console.log("name:", tableColumn.name, columnMetadata.databaseName);
// console.log("type:", tableColumn.type, this.normalizeType(columnMetadata));
// console.log("length:", tableColumn.length, columnMetadata.length);
// console.log("precision:", tableColumn.precision, columnMetadata.precision);
// console.log("scale:", tableColumn.scale, columnMetadata.scale);
// console.log("comment:", tableColumn.comment, columnMetadata.comment);
// console.log("default:", tableColumn.default, columnMetadata.default);
// console.log("isPrimary:", tableColumn.isPrimary, columnMetadata.isPrimary);
// console.log("isNullable:", tableColumn.isNullable, columnMetadata.isNullable);
// console.log("isUnique:", tableColumn.isUnique, this.normalizeIsUnique(columnMetadata));
// console.log("isGenerated:", tableColumn.isGenerated, columnMetadata.isGenerated);
// console.log("==========================================");
return tableColumn.name !== columnMetadata.databaseName
|| tableColumn.type !== _this.normalizeType(columnMetadata)
|| tableColumn.length !== columnMetadata.length
|| tableColumn.precision !== columnMetadata.precision
|| tableColumn.scale !== columnMetadata.scale
// || tableColumn.comment !== columnMetadata.comment || // todo
|| _this.normalizeDefault(columnMetadata) !== tableColumn.default
|| tableColumn.isPrimary !== columnMetadata.isPrimary
|| tableColumn.isNullable !== columnMetadata.isNullable
|| tableColumn.isUnique !== _this.normalizeIsUnique(columnMetadata)
|| (columnMetadata.generationStrategy !== "uuid" && tableColumn.isGenerated !== columnMetadata.isGenerated);
});
};
/**
* Returns true if driver supports RETURNING / OUTPUT statement.
*/
AbstractSqliteDriver.prototype.isReturningSqlSupported = function () {
return false;
};
/**
* Returns true if driver supports uuid values generation on its own.
*/
AbstractSqliteDriver.prototype.isUUIDGenerationSupported = function () {
return false;
};
/**
* Creates an escaped parameter.
*/
AbstractSqliteDriver.prototype.createParameter = function (parameterName, index) {
// return "$" + (index + 1);
return "?";
// return "$" + parameterName;
};
// -------------------------------------------------------------------------
// Protected Methods
// -------------------------------------------------------------------------
/**
* Creates connection with the database.
*/
AbstractSqliteDriver.prototype.createDatabaseConnection = function () {
throw new Error("Do not use AbstractSqlite directly, it has to be used with one of the sqlite drivers");
};
/**
* If driver dependency is not given explicitly, then try to load it via "require".
*/
AbstractSqliteDriver.prototype.loadDependencies = function () {
// dependencies have to be loaded in the specific driver
};
return AbstractSqliteDriver;
}());
exports.AbstractSqliteDriver = AbstractSqliteDriver;
//# sourceMappingURL=AbstractSqliteDriver.js.map