typeorm
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Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
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JavaScript
import { __awaiter, __generator } from "tslib";
import { ConnectionIsNotSetError } from "../../error/ConnectionIsNotSetError";
import { DriverPackageNotInstalledError } from "../../error/DriverPackageNotInstalledError";
import { DriverUtils } from "../DriverUtils";
import { SqlServerQueryRunner } from "./SqlServerQueryRunner";
import { DateUtils } from "../../util/DateUtils";
import { PlatformTools } from "../../platform/PlatformTools";
import { RdbmsSchemaBuilder } from "../../schema-builder/RdbmsSchemaBuilder";
import { MssqlParameter } from "./MssqlParameter";
import { TableColumn } from "../../schema-builder/table/TableColumn";
import { EntityMetadata } from "../../metadata/EntityMetadata";
import { OrmUtils } from "../../util/OrmUtils";
import { ApplyValueTransformers } from "../../util/ApplyValueTransformers";
import { Table } from "../../schema-builder/table/Table";
import { View } from "../../schema-builder/view/View";
import { TableForeignKey } from "../../schema-builder/table/TableForeignKey";
import { TypeORMError } from "../../error";
/**
* Organizes communication with SQL Server DBMS.
*/
var SqlServerDriver = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function SqlServerDriver(connection) {
/**
* Pool for slave databases.
* Used in replication.
*/
this.slaves = [];
/**
* 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://docs.microsoft.com/en-us/sql/t-sql/data-types/data-types-transact-sql
*/
this.supportedDataTypes = [
"int",
"bigint",
"bit",
"decimal",
"money",
"numeric",
"smallint",
"smallmoney",
"tinyint",
"float",
"real",
"date",
"datetime2",
"datetime",
"datetimeoffset",
"smalldatetime",
"time",
"char",
"varchar",
"text",
"nchar",
"nvarchar",
"ntext",
"binary",
"image",
"varbinary",
"hierarchyid",
"sql_variant",
"timestamp",
"uniqueidentifier",
"xml",
"geometry",
"geography",
"rowversion"
];
/**
* Gets list of spatial column data types.
*/
this.spatialTypes = [
"geometry",
"geography"
];
/**
* Gets list of column data types that support length by a driver.
*/
this.withLengthColumnTypes = [
"char",
"varchar",
"nchar",
"nvarchar",
"binary",
"varbinary"
];
/**
* Gets list of column data types that support precision by a driver.
*/
this.withPrecisionColumnTypes = [
"decimal",
"numeric",
"time",
"datetime2",
"datetimeoffset"
];
/**
* Gets list of column data types that support scale by a driver.
*/
this.withScaleColumnTypes = [
"decimal",
"numeric"
];
/**
* 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: "datetime2",
createDateDefault: "getdate()",
updateDate: "datetime2",
updateDateDefault: "getdate()",
deleteDate: "datetime2",
deleteDateNullable: true,
version: "int",
treeLevel: "int",
migrationId: "int",
migrationName: "varchar",
migrationTimestamp: "bigint",
cacheId: "int",
cacheIdentifier: "nvarchar",
cacheTime: "bigint",
cacheDuration: "int",
cacheQuery: "nvarchar(MAX)",
cacheResult: "nvarchar(MAX)",
metadataType: "varchar",
metadataDatabase: "varchar",
metadataSchema: "varchar",
metadataTable: "varchar",
metadataName: "varchar",
metadataValue: "nvarchar(MAX)",
};
/**
* Default values of length, precision and scale depends on column data type.
* Used in the cases when length/precision/scale is not specified by user.
*/
this.dataTypeDefaults = {
"char": { length: 1 },
"nchar": { length: 1 },
"varchar": { length: 255 },
"nvarchar": { length: 255 },
"binary": { length: 1 },
"varbinary": { length: 1 },
"decimal": { precision: 18, scale: 0 },
"numeric": { precision: 18, scale: 0 },
"time": { precision: 7 },
"datetime2": { precision: 7 },
"datetimeoffset": { precision: 7 }
};
/**
* Max length allowed by MSSQL Server for aliases (identifiers).
* @see https://docs.microsoft.com/en-us/sql/sql-server/maximum-capacity-specifications-for-sql-server
*/
this.maxAliasLength = 128;
this.connection = connection;
this.options = connection.options;
this.isReplicated = this.options.replication ? true : false;
// load mssql package
this.loadDependencies();
this.database = DriverUtils.buildDriverOptions(this.options.replication ? this.options.replication.master : this.options).database;
this.schema = DriverUtils.buildDriverOptions(this.options).schema;
// Object.assign(connection.options, DriverUtils.buildDriverOptions(connection.options)); // todo: do it better way
// validate options to make sure everything is set
// if (!this.options.host)
// throw new DriverOptionNotSetError("host");
// if (!this.options.username)
// throw new DriverOptionNotSetError("username");
// if (!this.options.database)
// throw new DriverOptionNotSetError("database");
}
// -------------------------------------------------------------------------
// Public Implemented Methods
// -------------------------------------------------------------------------
/**
* Performs connection to the database.
* Based on pooling options, it can either create connection immediately,
* either create a pool and create connection when needed.
*/
SqlServerDriver.prototype.connect = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, _b, _c, queryRunner, _d, _e;
var _this = this;
return __generator(this, function (_f) {
switch (_f.label) {
case 0:
if (!this.options.replication) return [3 /*break*/, 3];
_a = this;
return [4 /*yield*/, Promise.all(this.options.replication.slaves.map(function (slave) {
return _this.createPool(_this.options, slave);
}))];
case 1:
_a.slaves = _f.sent();
_b = this;
return [4 /*yield*/, this.createPool(this.options, this.options.replication.master)];
case 2:
_b.master = _f.sent();
return [3 /*break*/, 5];
case 3:
_c = this;
return [4 /*yield*/, this.createPool(this.options, this.options)];
case 4:
_c.master = _f.sent();
_f.label = 5;
case 5:
if (!(!this.database || !this.searchSchema)) return [3 /*break*/, 12];
return [4 /*yield*/, this.createQueryRunner("master")];
case 6:
queryRunner = _f.sent();
if (!!this.database) return [3 /*break*/, 8];
_d = this;
return [4 /*yield*/, queryRunner.getCurrentDatabase()];
case 7:
_d.database = _f.sent();
_f.label = 8;
case 8:
if (!!this.searchSchema) return [3 /*break*/, 10];
_e = this;
return [4 /*yield*/, queryRunner.getCurrentSchema()];
case 9:
_e.searchSchema = _f.sent();
_f.label = 10;
case 10: return [4 /*yield*/, queryRunner.release()];
case 11:
_f.sent();
_f.label = 12;
case 12:
if (!this.schema) {
this.schema = this.searchSchema;
}
return [2 /*return*/];
}
});
});
};
/**
* Makes any action after connection (e.g. create extensions in Postgres driver).
*/
SqlServerDriver.prototype.afterConnect = function () {
return Promise.resolve();
};
/**
* Closes connection with the database.
*/
SqlServerDriver.prototype.disconnect = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!this.master)
return [2 /*return*/, Promise.reject(new ConnectionIsNotSetError("mssql"))];
return [4 /*yield*/, this.closePool(this.master)];
case 1:
_a.sent();
return [4 /*yield*/, Promise.all(this.slaves.map(function (slave) { return _this.closePool(slave); }))];
case 2:
_a.sent();
this.master = undefined;
this.slaves = [];
return [2 /*return*/];
}
});
});
};
/**
* Closes connection pool.
*/
SqlServerDriver.prototype.closePool = function (pool) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (ok, fail) {
pool.close(function (err) { return err ? fail(err) : ok(); });
})];
});
});
};
/**
* Creates a schema builder used to build and sync a schema.
*/
SqlServerDriver.prototype.createSchemaBuilder = function () {
return new RdbmsSchemaBuilder(this.connection);
};
/**
* Creates a query runner used to execute database queries.
*/
SqlServerDriver.prototype.createQueryRunner = function (mode) {
return new SqlServerQueryRunner(this, mode);
};
/**
* Replaces parameters in the given sql with special escaping character
* and an array of parameter names to be passed to a query.
*/
SqlServerDriver.prototype.escapeQueryWithParameters = function (sql, parameters, nativeParameters) {
var _this = this;
var escapedParameters = Object.keys(nativeParameters).map(function (key) { return nativeParameters[key]; });
if (!parameters || !Object.keys(parameters).length)
return [sql, escapedParameters];
sql = sql.replace(/:(\.\.\.)?([A-Za-z0-9_.]+)/g, function (full, isArray, key) {
if (!parameters.hasOwnProperty(key)) {
return full;
}
var value = parameters[key];
if (isArray) {
return value.map(function (v) {
escapedParameters.push(v);
return _this.createParameter(key, escapedParameters.length - 1);
}).join(", ");
}
if (value instanceof Function) {
return value();
}
escapedParameters.push(value);
return _this.createParameter(key, escapedParameters.length - 1);
}); // todo: make replace only in value statements, otherwise problems
return [sql, escapedParameters];
};
/**
* Escapes a column name.
*/
SqlServerDriver.prototype.escape = function (columnName) {
return "\"" + columnName + "\"";
};
/**
* Build full table name with database name, schema name and table name.
* E.g. myDB.mySchema.myTable
*/
SqlServerDriver.prototype.buildTableName = function (tableName, schema, database) {
var tablePath = [tableName];
if (schema) {
tablePath.unshift(schema);
}
if (database) {
if (!schema) {
tablePath.unshift('');
}
tablePath.unshift(database);
}
return tablePath.join('.');
};
/**
* Parse a target table name or other types and return a normalized table definition.
*/
SqlServerDriver.prototype.parseTableName = function (target) {
var driverDatabase = this.database;
var driverSchema = this.schema;
if (target instanceof Table || target instanceof View) {
var parsed = this.parseTableName(target.name);
return {
database: target.database || parsed.database || driverDatabase,
schema: target.schema || parsed.schema || driverSchema,
tableName: parsed.tableName,
};
}
if (target instanceof TableForeignKey) {
var parsed = this.parseTableName(target.referencedTableName);
return {
database: target.referencedDatabase || parsed.database || driverDatabase,
schema: target.referencedSchema || parsed.schema || driverSchema,
tableName: parsed.tableName
};
}
if (target instanceof EntityMetadata) {
// EntityMetadata tableName is never a path
return {
database: target.database || driverDatabase,
schema: target.schema || driverSchema,
tableName: target.tableName
};
}
var parts = target.split(".");
if (parts.length === 3) {
return {
database: parts[0] || driverDatabase,
schema: parts[1] || driverSchema,
tableName: parts[2]
};
}
else if (parts.length === 2) {
return {
database: driverDatabase,
schema: parts[0],
tableName: parts[1]
};
}
else {
return {
database: driverDatabase,
schema: driverSchema,
tableName: target
};
}
};
/**
* Prepares given value to a value to be persisted, based on its column type and metadata.
*/
SqlServerDriver.prototype.preparePersistentValue = function (value, columnMetadata) {
if (columnMetadata.transformer)
value = ApplyValueTransformers.transformTo(columnMetadata.transformer, value);
if (value === null || value === undefined)
return value;
if (columnMetadata.type === Boolean) {
return value === true ? 1 : 0;
}
else if (columnMetadata.type === "date") {
return DateUtils.mixedDateToDate(value);
}
else if (columnMetadata.type === "time") {
return DateUtils.mixedTimeToDate(value);
}
else if (columnMetadata.type === "datetime"
|| columnMetadata.type === "smalldatetime"
|| columnMetadata.type === Date) {
return DateUtils.mixedDateToDate(value, false, false);
}
else if (columnMetadata.type === "datetime2"
|| columnMetadata.type === "datetimeoffset") {
return DateUtils.mixedDateToDate(value, false, true);
}
else if (columnMetadata.type === "simple-array") {
return DateUtils.simpleArrayToString(value);
}
else if (columnMetadata.type === "simple-json") {
return DateUtils.simpleJsonToString(value);
}
else if (columnMetadata.type === "simple-enum") {
return DateUtils.simpleEnumToString(value);
}
return value;
};
/**
* Prepares given value to a value to be persisted, based on its column type or metadata.
*/
SqlServerDriver.prototype.prepareHydratedValue = function (value, columnMetadata) {
if (value === null || value === undefined)
return columnMetadata.transformer ? ApplyValueTransformers.transformFrom(columnMetadata.transformer, value) : value;
if (columnMetadata.type === Boolean) {
value = value ? true : false;
}
else if (columnMetadata.type === "datetime"
|| columnMetadata.type === Date
|| columnMetadata.type === "datetime2"
|| columnMetadata.type === "smalldatetime"
|| columnMetadata.type === "datetimeoffset") {
value = DateUtils.normalizeHydratedDate(value);
}
else if (columnMetadata.type === "date") {
value = DateUtils.mixedDateToDateString(value);
}
else if (columnMetadata.type === "time") {
value = DateUtils.mixedTimeToString(value);
}
else if (columnMetadata.type === "simple-array") {
value = DateUtils.stringToSimpleArray(value);
}
else if (columnMetadata.type === "simple-json") {
value = DateUtils.stringToSimpleJson(value);
}
else if (columnMetadata.type === "simple-enum") {
value = DateUtils.stringToSimpleEnum(value, columnMetadata);
}
if (columnMetadata.transformer)
value = ApplyValueTransformers.transformFrom(columnMetadata.transformer, value);
return value;
};
/**
* Creates a database type from a given column metadata.
*/
SqlServerDriver.prototype.normalizeType = function (column) {
if (column.type === Number || column.type === "integer") {
return "int";
}
else if (column.type === String) {
return "nvarchar";
}
else if (column.type === Date) {
return "datetime";
}
else if (column.type === Boolean) {
return "bit";
}
else if (column.type === Buffer) {
return "binary";
}
else if (column.type === "uuid") {
return "uniqueidentifier";
}
else if (column.type === "simple-array" || column.type === "simple-json") {
return "ntext";
}
else if (column.type === "simple-enum") {
return "nvarchar";
}
else if (column.type === "dec") {
return "decimal";
}
else if (column.type === "double precision") {
return "float";
}
else if (column.type === "rowversion") {
return "timestamp"; // the rowversion type's name in SQL server metadata is timestamp
}
else {
return column.type || "";
}
};
/**
* Normalizes "default" value of the column.
*/
SqlServerDriver.prototype.normalizeDefault = function (columnMetadata) {
var defaultValue = columnMetadata.default;
if (typeof defaultValue === "number") {
return "" + defaultValue;
}
if (typeof defaultValue === "boolean") {
return defaultValue ? "1" : "0";
}
if (typeof defaultValue === "function") {
var value = defaultValue();
if (value.toUpperCase() === "CURRENT_TIMESTAMP") {
return "getdate()";
}
return value;
}
if (typeof defaultValue === "string") {
return "'" + defaultValue + "'";
}
if (defaultValue === undefined || defaultValue === null) {
return undefined;
}
return "" + defaultValue;
};
/**
* Normalizes "isUnique" value of the column.
*/
SqlServerDriver.prototype.normalizeIsUnique = function (column) {
return column.entityMetadata.uniques.some(function (uq) { return uq.columns.length === 1 && uq.columns[0] === column; });
};
/**
* Returns default column lengths, which is required on column creation.
*/
SqlServerDriver.prototype.getColumnLength = function (column) {
if (column.length)
return column.length.toString();
if (column.type === "varchar" || column.type === "nvarchar" || column.type === String)
return "255";
return "";
};
/**
* Creates column type definition including length, precision and scale
*/
SqlServerDriver.prototype.createFullType = function (column) {
var type = column.type;
// used 'getColumnLength()' method, because SqlServer sets `varchar` and `nvarchar` length to 1 by default.
if (this.getColumnLength(column)) {
type += "(" + this.getColumnLength(column) + ")";
}
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.
*/
SqlServerDriver.prototype.obtainMasterConnection = function () {
if (!this.master) {
return Promise.reject(new TypeORMError("Driver not Connected"));
}
return Promise.resolve(this.master);
};
/**
* 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.
*/
SqlServerDriver.prototype.obtainSlaveConnection = function () {
if (!this.slaves.length)
return this.obtainMasterConnection();
var random = Math.floor(Math.random() * this.slaves.length);
return Promise.resolve(this.slaves[random]);
};
/**
* Creates generated map of values generated or returned by database after INSERT query.
*/
SqlServerDriver.prototype.createGeneratedMap = function (metadata, insertResult) {
var _this = this;
if (!insertResult)
return undefined;
return Object.keys(insertResult).reduce(function (map, key) {
var column = metadata.findColumnWithDatabaseName(key);
if (column) {
OrmUtils.mergeDeep(map, column.createValueMap(_this.prepareHydratedValue(insertResult[key], column)));
}
return map;
}, {});
};
/**
* Differentiate columns of this table and columns from the given column metadatas columns
* and returns only changed.
*/
SqlServerDriver.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
var isColumnChanged = tableColumn.name !== columnMetadata.databaseName
|| tableColumn.type !== _this.normalizeType(columnMetadata)
|| tableColumn.length !== _this.getColumnLength(columnMetadata)
|| tableColumn.precision !== columnMetadata.precision
|| tableColumn.scale !== columnMetadata.scale
// || tableColumn.comment !== columnMetadata.comment || // todo
|| tableColumn.isGenerated !== columnMetadata.isGenerated
|| (!tableColumn.isGenerated && _this.lowerDefaultValueIfNecessary(_this.normalizeDefault(columnMetadata)) !== _this.lowerDefaultValueIfNecessary(tableColumn.default)) // we included check for generated here, because generated columns already can have default values
|| tableColumn.isPrimary !== columnMetadata.isPrimary
|| tableColumn.isNullable !== columnMetadata.isNullable
|| tableColumn.isUnique !== _this.normalizeIsUnique(columnMetadata);
// DEBUG SECTION
// if (isColumnChanged) {
// 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("isGenerated:", tableColumn.isGenerated, columnMetadata.isGenerated);
// console.log("isGenerated 2:", !tableColumn.isGenerated && this.lowerDefaultValueIfNecessary(this.normalizeDefault(columnMetadata)) !== this.lowerDefaultValueIfNecessary(tableColumn.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("==========================================");
// }
return isColumnChanged;
});
};
SqlServerDriver.prototype.lowerDefaultValueIfNecessary = function (value) {
// SqlServer saves function calls in default value as lowercase https://github.com/typeorm/typeorm/issues/2733
if (!value) {
return value;
}
return value.split("'").map(function (v, i) {
return i % 2 === 1 ? v : v.toLowerCase();
}).join("'");
};
/**
* Returns true if driver supports RETURNING / OUTPUT statement.
*/
SqlServerDriver.prototype.isReturningSqlSupported = function () {
if (this.options.options && this.options.options.disableOutputReturning) {
return false;
}
return true;
};
/**
* Returns true if driver supports uuid values generation on its own.
*/
SqlServerDriver.prototype.isUUIDGenerationSupported = function () {
return true;
};
/**
* Returns true if driver supports fulltext indices.
*/
SqlServerDriver.prototype.isFullTextColumnTypeSupported = function () {
return false;
};
/**
* Creates an escaped parameter.
*/
SqlServerDriver.prototype.createParameter = function (parameterName, index) {
return "@" + index;
};
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Sql server's parameters needs to be wrapped into special object with type information about this value.
* This method wraps given value into MssqlParameter based on its column definition.
*/
SqlServerDriver.prototype.parametrizeValue = function (column, value) {
// if its already MssqlParameter then simply return it
if (value instanceof MssqlParameter)
return value;
var normalizedType = this.normalizeType({ type: column.type });
if (column.length) {
return new MssqlParameter(value, normalizedType, column.length);
}
else if (column.precision !== null && column.precision !== undefined && column.scale !== null && column.scale !== undefined) {
return new MssqlParameter(value, normalizedType, column.precision, column.scale);
}
else if (column.precision !== null && column.precision !== undefined) {
return new MssqlParameter(value, normalizedType, column.precision);
}
else if (column.scale !== null && column.scale !== undefined) {
return new MssqlParameter(value, normalizedType, column.scale);
}
return new MssqlParameter(value, normalizedType);
};
/**
* Sql server's parameters needs to be wrapped into special object with type information about this value.
* This method wraps all values of the given object into MssqlParameter based on their column definitions in the given table.
*/
SqlServerDriver.prototype.parametrizeMap = function (tablePath, map) {
var _this = this;
// find metadata for the given table
if (!this.connection.hasMetadata(tablePath)) // if no metadata found then we can't proceed because we don't have columns and their types
return map;
var metadata = this.connection.getMetadata(tablePath);
return Object.keys(map).reduce(function (newMap, key) {
var value = map[key];
// find column metadata
var column = metadata.findColumnWithDatabaseName(key);
if (!column) // if we didn't find a column then we can't proceed because we don't have a column type
return value;
newMap[key] = _this.parametrizeValue(column, value);
return newMap;
}, {});
};
SqlServerDriver.prototype.buildTableVariableDeclaration = function (identifier, columns) {
var _this = this;
var outputColumns = columns.map(function (column) {
return _this.escape(column.databaseName) + " " + _this.createFullType(new TableColumn({
name: column.databaseName,
type: _this.normalizeType(column),
length: column.length,
isNullable: column.isNullable,
isArray: column.isArray,
}));
});
return "DECLARE " + identifier + " TABLE (" + outputColumns.join(", ") + ")";
};
// -------------------------------------------------------------------------
// Protected Methods
// -------------------------------------------------------------------------
/**
* If driver dependency is not given explicitly, then try to load it via "require".
*/
SqlServerDriver.prototype.loadDependencies = function () {
try {
this.mssql = PlatformTools.load("mssql");
}
catch (e) { // todo: better error for browser env
throw new DriverPackageNotInstalledError("SQL Server", "mssql");
}
};
/**
* Creates a new connection pool for a given database credentials.
*/
SqlServerDriver.prototype.createPool = function (options, credentials) {
var _this = this;
credentials = Object.assign({}, credentials, DriverUtils.buildDriverOptions(credentials)); // todo: do it better way
// todo: credentials.domain is deprecation. remove it in future
var authentication = !credentials.domain ? credentials.authentication : {
type: "ntlm",
options: {
domain: credentials.domain,
userName: credentials.username,
password: credentials.password
}
};
// build connection options for the driver
var connectionOptions = Object.assign({}, {
connectionTimeout: this.options.connectionTimeout,
requestTimeout: this.options.requestTimeout,
stream: this.options.stream,
pool: this.options.pool,
options: this.options.options,
}, {
server: credentials.host,
database: credentials.database,
port: credentials.port,
user: credentials.username,
password: credentials.password,
authentication: authentication,
}, options.extra || {});
// set default useUTC option if it hasn't been set
if (!connectionOptions.options) {
connectionOptions.options = { useUTC: false };
}
else if (!connectionOptions.options.useUTC) {
Object.assign(connectionOptions.options, { useUTC: false });
}
// Match the next release of tedious for configuration options
// Also prevents warning messages.
Object.assign(connectionOptions.options, { enableArithAbort: true });
// pooling is enabled either when its set explicitly to true,
// either when its not defined at all (e.g. enabled by default)
return new Promise(function (ok, fail) {
var pool = new _this.mssql.ConnectionPool(connectionOptions);
var logger = _this.connection.logger;
var poolErrorHandler = (options.pool && options.pool.errorHandler) || (function (error) { return logger.log("warn", "MSSQL pool raised an error. " + error); });
/*
Attaching an error handler to pool errors is essential, as, otherwise, errors raised will go unhandled and
cause the hosting app to crash.
*/
pool.on("error", poolErrorHandler);
var connection = pool.connect(function (err) {
if (err)
return fail(err);
ok(connection);
});
});
};
return SqlServerDriver;
}());
export { SqlServerDriver };
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