Class Errors

View code Sequelize provides a host of custom error classes, to allow you to do easier debugging. All of these errors are exposed on the sequelize object and the sequelize constructor. All sequelize errors inherit from the base JS error object.

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new BaseError()

View code The Base Error all Sequelize Errors inherit from.

Aliases: Error

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new ValidationError(message, [errors])

View code Validation Error. Thrown when the sequelize validation has failed. The error contains an errors property, which is an array with 1 or more ValidationErrorItems, one for each validation that failed.

Params:

Name	Type	Description
message	string	Error message
[errors]	Array	Array of ValidationErrorItem objects describing the validation errors

Extends: BaseError

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errors

View code An array of ValidationErrorItems

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get(path)

View code Gets all validation error items for the path / field specified.

Params:

Name	Type	Description
path	string	The path to be checked for error items

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new DatabaseError()

View code A base class for all database related errors.

Extends: BaseError

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parent

View code The database specific error which triggered this one

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sql

View code The SQL that triggered the error

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message()

View code The message from the DB.

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fields()

View code The fields of the unique constraint

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value()

View code The value(s) which triggered the error

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index()

View code The name of the index that triggered the error

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new TimeoutError()

View code Thrown when a database query times out because of a deadlock

Extends: DatabaseError

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new UniqueConstraintError()

View code Thrown when a unique constraint is violated in the database

Extends: DatabaseError

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new ForeignKeyConstraintError()

View code Thrown when a foreign key constraint is violated in the database

Extends: DatabaseError

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new ExclusionConstraintError()

View code Thrown when an exclusion constraint is violated in the database

Extends: DatabaseError

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new ValidationErrorItem(message, type, path, value)

View code Validation Error Item Instances of this class are included in the ValidationError.errors property.

Params:

Name	Type	Description
message	string	An error message
type	string	The type of the validation error
path	string	The field that triggered the validation error
value	string	The value that generated the error

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new ConnectionError()

View code A base class for all connection related errors.

Extends: BaseError

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parent

View code The connection specific error which triggered this one

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new ConnectionRefusedError()

View code Thrown when a connection to a database is refused

Extends: ConnectionError

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new AccessDeniedError()

View code Thrown when a connection to a database is refused due to insufficient privileges

Extends: ConnectionError

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new HostNotFoundError()

View code Thrown when a connection to a database has a hostname that was not found

Extends: ConnectionError

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new HostNotReachableError()

View code Thrown when a connection to a database has a hostname that was not reachable

Extends: ConnectionError

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new InvalidConnectionError()

View code Thrown when a connection to a database has invalid values for any of the connection parameters

Extends: ConnectionError

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new ConnectionTimedOutError()

View code Thrown when a connection to a database times out

Extends: ConnectionError

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