class Jennifer::Relation::Base(T, Q)

• Jennifer::Relation::Base(T, Q)
• Jennifer::Relation::IRelation
• Reference
• Object

Overview

Base generic relation class.

T - related model Q - parent model

Direct Known Subclasses

• Jennifer::Relation::BelongsTo(T, Q)
• Jennifer::Relation::HasMany(T, Q)
• Jennifer::Relation::HasOne(T, Q)
• Jennifer::Relation::ManyToMany(T, Q)
• Jennifer::Relation::PolymorphicHasMany(T, Q)
• Jennifer::Relation::PolymorphicHasOne(T, Q)

Defined in:

jennifer/relation/base.cr

Constructors

• .new(name, foreign : String | Symbol?, primary : String | Symbol?, query : QueryBuilder::Query, through = nil)

Instance Method Summary

• #adapter
• #condition_clause(ids : Array(DBAny))
• #condition_clause(id : DBAny)
• #condition_clause
• #foreign : String?
• #foreign_field

  Foreign key on T model side

• #insert(obj : Q, rel : Hash(String, T::AttrType))
• #insert(obj : Q, rel : Hash(Symbol, T::AttrType))
• #insert(obj : Q, rel : T)
• #join_condition(query, type)
• #join_query : QueryBuilder::Condition | QueryBuilder::LogicOperator | Nil
• #model_class
• #name : String
• #preload_relation(collection, out_collection : Array(Model::Resource), pk_repo)

  Preloads relation into collection from out_collection depending on keys from pk_repo.

• #primary : String?
• #primary_field
• #query(primary_value_or_array)

  Returns query for given primary field values

• #remove(obj : Q, rel : T)
• #table_name
• #through : Symbol?

Constructor Detail

Instance Method Detail