Class: ApplicationRecord

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
NilifyBlanks
Defined in:
app/models/application_record.rb

Direct Known Subclasses

AlternateValue, AssertedDistribution, Attribution, BiocurationClassification, BiologicalAssociation, BiologicalAssociationsBiologicalAssociationsGraph, BiologicalAssociationsGraph, BiologicalRelationship, BiologicalRelationshipType, CachedMap, CachedMapItem, CachedMapItemTranslation, CachedMapRegister, CharacterState, Citation, CitationTopic, CollectingEvent, CollectionObject, CollectionObjectObservation, CollectionProfile, CommonName, Confidence, Container, ContainerItem, Content, ControlledVocabularyTerm, Conveyance, DataAttribute, DatasetRecord, DatasetRecordField, Depiction, DerivedCollectionObject, Descriptor, Document, Documentation, Download, DwcOccurrence, Extract, FieldOccurrence, GeneAttribute, GeographicArea, GeographicAreaType, GeographicAreasGeographicItem, GeographicItem, Georeference, Identifier, Image, Import, ImportDataset, Label, Language, Lead, Loan, LoanItem, Namespace, Note, Observation, ObservationMatrix, ObservationMatrixColumn, ObservationMatrixColumnItem, ObservationMatrixRow, ObservationMatrixRowItem, Organization, OriginRelationship, Otu, OtuPageLayout, OtuPageLayoutSection, OtuRelationship, Person, PinboardItem, PreparationType, Project, ProjectMember, ProjectSource, Protocol, ProtocolRelationship, PublicContent, RangedLotCategory, Repository, Role, Sequence, SequenceRelationship, Serial, SerialChronology, SledImage, Sound, Source, SqedDepiction, Tag, TaggedSectionKeyword, TaxonDetermination, TaxonName, TaxonNameClassification, TaxonNameRelationship, TypeMaterial, User

Class Method Summary collapse

Class Method Details

.transaction_with_retry(&block) ⇒ Object

Will run block on transaction, repeating 3 times if failed due to ActiveRecord:DeadLock exception.



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# File 'app/models/application_record.rb', line 13

def self.transaction_with_retry(&block)
  retry_count = 0
  begin
    transaction &block
  rescue ActiveRecord::Deadlocked
    raise if retry_count > 3
    # Exponential backoff with proportional random wait time.
    sleep 2**(retry_count)*(1+rand)

    retry_count += 1
    retry
  end
end