Exception: ActiveRecord::ConnectionNotEstablished
Relationships & Source Files | |
Extension / Inclusion / Inheritance Descendants | |
Subclasses:
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Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
self,
AdapterError ,
ActiveRecordError ,
StandardError
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Instance Chain:
self,
AdapterError ,
ActiveRecordError ,
StandardError
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Inherits: |
ActiveRecord::AdapterError
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Defined in: | activerecord/lib/active_record/errors.rb |
Overview
Raised when connection to the database could not been established (for example when {ActiveRecord::Base.connection=} is given a nil
object).
Class Method Summary
AdapterError
- Inherited
Instance Attribute Summary
AdapterError
- Inherited
Instance Method Summary
Constructor Details
.new(message = nil, connection_pool: nil) ⇒ ConnectionNotEstablished
# File 'activerecord/lib/active_record/errors.rb', line 72
def initialize( = nil, connection_pool: nil) super(, connection_pool: connection_pool) end
Instance Method Details
#set_pool(connection_pool)
[ GitHub ]# File 'activerecord/lib/active_record/errors.rb', line 76
def set_pool(connection_pool) unless @connection_pool @connection_pool = connection_pool end self end