ArxDatabaseException

Definition

Namespace

ARX.SDK

Package

ARX.SDK

public sealed class ArxDatabaseException : ArxException

Constructor

• ArxDatabaseException(ArxErrorCode code, string message, Exception innerException)

  A database error mapped to its ARX code; the driver's exception is the inner exception.

  Parameter	Type	Description
  code	ArxErrorCode	The ARX error code: its thousands digit is the category.
  message	string	A message for logs and developers. It names tables, columns and constraints, never values.
  innerException	Exception	The driver's exception (PostgresException, SqlException, MySqlException, a MongoException or an AmazonDynamoDBException).

Methods

• static ArxException InLinkWhenItIs(ArxException mapped, ARX.SDK.Query.ArxQueryExpression query)

  For the providers' use: an ARX5002 UndefinedAttribute from a query whose missing column only its link entities name, said of the link's table (EntityName) and alias instead of the query's own table. Any other error is returned as it is.

  Parameter	Type	Description
  mapped	ArxException	The error the provider's mapper made, with the missing column as its AttributeName.
  query	ARX.SDK.Query.ArxQueryExpression	The query that was sent.

Usage

catch (ArxDatabaseException exception) when (exception.Code == ArxErrorCode.UniqueViolation)

Catch the errors a create meets, scenario 1

Used in:

• Catch the errors a create meetsCreate
• Create in an ARX transactionCreate
• Create many records in one callCreateMultiple
• Move an item to a new keyUpdate
• Replace a record in a transactionDelete