typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, WebSQL, MongoDB databases.
397 lines (395 loc) • 15.6 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;
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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 { AbstractSqliteQueryRunner } from "./AbstractSqliteQueryRunner";
import { DateUtils } from "../../util/DateUtils";
import { RdbmsSchemaBuilder } from "../../schema-builder/RdbmsSchemaBuilder";
import { RandomGenerator } from "../../util/RandomGenerator";
/**
* 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"
];
/**
* 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",
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(this.connection);
};
/**
* Creates a query runner used to execute database queries.
*/
AbstractSqliteDriver.prototype.createQueryRunner = function (mode) {
if (mode === void 0) { mode = "master"; }
if (!this.queryRunner)
this.queryRunner = new AbstractSqliteQueryRunner(this);
return this.queryRunner;
};
/**
* 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.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
return DateUtils.mixedDateToTimeString(value);
}
else if (columnMetadata.type === "datetime" || columnMetadata.type === Date) {
return DateUtils.mixedDateToUtcDatetimeString(value); // to string conversation needs because SQLite stores fate as integer number, when date came as Object
}
else if (columnMetadata.isGenerated && columnMetadata.generationStrategy === "uuid" && !value) {
return RandomGenerator.uuid4();
}
else if (columnMetadata.type === "simple-array") {
return DateUtils.simpleArrayToString(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 (columnMetadata.transformer)
value = columnMetadata.transformer.from(value);
if (value === null || value === undefined)
return value;
if (columnMetadata.type === Boolean || columnMetadata.type === "boolean") {
return value ? true : false;
}
else if (columnMetadata.type === "datetime" || columnMetadata.type === Date) {
return DateUtils.normalizeHydratedDate(value);
}
else if (columnMetadata.type === "date") {
return DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
return DateUtils.mixedTimeToString(value);
}
else if (columnMetadata.type === "simple-array") {
return DateUtils.stringToSimpleArray(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) {
if (!parameters || !Object.keys(parameters).length)
return [sql, []];
var builtParameters = [];
var keys = Object.keys(parameters).map(function (parameter) { return "(:" + parameter + "\\b)"; }).join("|");
sql = sql.replace(new RegExp(keys, "g"), function (key) {
var value = parameters[key.substr(1)];
if (value instanceof Array) {
return value.map(function (v) {
builtParameters.push(v);
return "$" + builtParameters.length;
}).join(", ");
}
else if (value instanceof Function) {
return value();
}
else {
builtParameters.push(value);
return "$" + 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 + "\"";
};
/**
* 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 {
return column.type || "";
}
};
/**
* Normalizes "default" value of the column.
*/
AbstractSqliteDriver.prototype.normalizeDefault = function (column) {
if (typeof column.default === "number") {
return "" + column.default;
}
else if (typeof column.default === "boolean") {
return column.default === true ? "1" : "0";
}
else if (typeof column.default === "function") {
return column.default();
}
else if (typeof column.default === "string") {
return "'" + column.default + "'";
}
else {
return column.default;
}
};
/**
* Normalizes "isUnique" value of the column.
*/
AbstractSqliteDriver.prototype.normalizeIsUnique = function (column) {
return column.isUnique;
};
/**
* Calculates column length taking into account the default length values.
*/
AbstractSqliteDriver.prototype.getColumnLength = function (column) {
if (column.length)
return column.length;
var normalizedType = this.normalizeType(column);
if (this.dataTypeDefaults && this.dataTypeDefaults[normalizedType] && this.dataTypeDefaults[normalizedType].length)
return this.dataTypeDefaults[normalizedType].length.toString();
return "";
};
/**
* 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 && column.scale) {
type += "(" + column.precision + "," + column.scale + ")";
}
else if (column.precision) {
type += "(" + column.precision + ")";
}
else if (column.scale) {
type += "(" + column.scale + ")";
}
else if (this.dataTypeDefaults && this.dataTypeDefaults[column.type] && this.dataTypeDefaults[column.type].length) {
type += "(" + this.dataTypeDefaults[column.type].length.toString() + ")";
}
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();
};
// -------------------------------------------------------------------------
// 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;
}());
export { AbstractSqliteDriver };
//# sourceMappingURL=AbstractSqliteDriver.js.map