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27 changes: 25 additions & 2 deletions types/mssql/index.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -216,9 +216,32 @@ export interface config {
beforeConnect?: ((conn: Connection) => void) | undefined;
}

export declare enum MSSQL_ERROR_CODE {
ELOGIN = "ELOGIN",
ETIMEOUT = "ETIMEOUT",
EDRIVER = "EDRIVER",
EALREADYCONNECTED = "EALREADYCONNECTED",
EALREADYCONNECTING = "EALREADYCONNECTING",
ENOTOPEN = "ENOTOPEN",
EINSTLOOKUP = "EINSTLOOKUP",
ESOCKET = "ESOCKET",
ECONNCLOSED = "ECONNCLOSED",
ENOTBEGUN = "ENOTBEGUN",
EALREADYBEGUN = "EALREADYBEGUN",
EREQINPROG = "EREQINPROG",
EABORT = "EABORT",
EREQUEST = "EREQUEST",
ECANCEL = "ECANCEL",
EARGS = "EARGS",
EINJECT = "EINJECT",
ENOCONN = "ENOCONN",
EALREADYPREPARED = "EALREADYPREPARED",
ENOTPREPARED = "ENOTPREPARED",
}

export declare class MSSQLError extends Error {
constructor(message: Error | string, code?: string);
public code: string;
constructor(message: Error | string, code?: MSSQL_ERROR_CODE);
public code: MSSQL_ERROR_CODE;
public name: string;
public originalError?: Error | undefined;
}
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10 changes: 5 additions & 5 deletions types/mssql/mssql-tests.ts
Original file line number Diff line number Diff line change
Expand Up @@ -320,11 +320,11 @@ function test_mssql_errors() {
// Test constructors
const sqlDriverError = new Error("mock error");
const mssqlStringError = new sql.MSSQLError("Something went wrong");
const baseMSSQLError = new sql.MSSQLError(sqlDriverError, "EREQUEST");
const connectionError = new sql.ConnectionError(sqlDriverError, "ELOGIN");
const requestError = new sql.RequestError(sqlDriverError, "EREQUEST");
const preparedStatementError = new sql.PreparedStatementError(sqlDriverError, "EINJECT");
const transactionError = new sql.TransactionError(sqlDriverError, "EABORT");
const baseMSSQLError = new sql.MSSQLError(sqlDriverError, sql.MSSQL_ERROR_CODE.EREQUEST);
const connectionError = new sql.ConnectionError(sqlDriverError, sql.MSSQL_ERROR_CODE.ELOGIN);
const requestError = new sql.RequestError(sqlDriverError, sql.MSSQL_ERROR_CODE.EREQUEST);
const preparedStatementError = new sql.PreparedStatementError(sqlDriverError, sql.MSSQL_ERROR_CODE.EINJECT);
const transactionError = new sql.TransactionError(sqlDriverError, sql.MSSQL_ERROR_CODE.EABORT);

// Test inheritance
if (
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