### Home Classes Methods

### In Files

- lib/sequel/model/associations.rb

### Parent

Sequel::Model::Associations::AssociationReflection

### Methods

- #associated_key_alias
- #associated_key_array
- #associated_key_column
- #associated_key_table
- #associated_object_keys
- #can_have_associated_objects?
- #cloneable?
- #default_associated_key_alias
- #default_eager_loader
- #default_join_table
- #default_left_key
- #default_right_key
- #eager_loading_use_associated_key?
- #join_table_alias
- #join_table_source
- #need_associated_primary_key?
- #predicate_key
- #qualified_left_key
- #qualified_right_key
- #qualified_right_primary_key
- #right_primary_key
- #right_primary_key_method
- #right_primary_key_methods
- #right_primary_keys
- #select

### Files

- CHANGELOG
- MIT-LICENSE
- README.rdoc
- active_record.rdoc
- advanced_associations.rdoc
- association_basics.rdoc
- bin_sequel.rdoc
- cheat_sheet.rdoc
- code_order.rdoc
- core_extensions.rdoc
- dataset_basics.rdoc
- dataset_filtering.rdoc
- extensions.rdoc
- mass_assignment.rdoc
- migration.rdoc
- model_hooks.rdoc
- model_plugins.rdoc
- mssql_stored_procedures.rdoc
- object_model.rdoc
- opening_databases.rdoc
- postgresql.rdoc
- prepared_statements.rdoc
- querying.rdoc
- reflection.rdoc
- 1.0.txt
- 1.1.txt
- 1.3.txt
- 1.4.0.txt
- 1.5.0.txt
- 2.0.0.txt
- 2.1.0.txt
- 2.10.0.txt
- 2.11.0.txt
- 2.12.0.txt
- 2.2.0.txt
- 2.3.0.txt
- 2.4.0.txt
- 2.5.0.txt
- 2.6.0.txt
- 2.7.0.txt
- 2.8.0.txt
- 2.9.0.txt
- 3.0.0.txt
- 3.1.0.txt
- 3.10.0.txt
- 3.11.0.txt
- 3.12.0.txt
- 3.13.0.txt
- 3.14.0.txt
- 3.15.0.txt
- 3.16.0.txt
- 3.17.0.txt
- 3.18.0.txt
- 3.19.0.txt
- 3.2.0.txt
- 3.20.0.txt
- 3.21.0.txt
- 3.22.0.txt
- 3.23.0.txt
- 3.24.0.txt
- 3.25.0.txt
- 3.26.0.txt
- 3.27.0.txt
- 3.28.0.txt
- 3.29.0.txt
- 3.3.0.txt
- 3.30.0.txt
- 3.31.0.txt
- 3.32.0.txt
- 3.33.0.txt
- 3.34.0.txt
- 3.35.0.txt
- 3.36.0.txt
- 3.37.0.txt
- 3.38.0.txt
- 3.39.0.txt
- 3.4.0.txt
- 3.40.0.txt
- 3.41.0.txt
- 3.42.0.txt
- 3.43.0.txt
- 3.44.0.txt
- 3.45.0.txt
- 3.46.0.txt
- 3.47.0.txt
- 3.48.0.txt
- 3.5.0.txt
- 3.6.0.txt
- 3.7.0.txt
- 3.8.0.txt
- 3.9.0.txt
- 4.0.0.txt
- 4.1.0.txt
- 4.10.0.txt
- 4.11.0.txt
- 4.2.0.txt
- 4.3.0.txt
- 4.4.0.txt
- 4.5.0.txt
- 4.6.0.txt
- 4.7.0.txt
- 4.8.0.txt
- 4.9.0.txt
- schema_modification.rdoc
- security.rdoc
- sharding.rdoc
- sql.rdoc
- testing.rdoc
- thread_safety.rdoc
- transactions.rdoc
- validations.rdoc
- virtual_rows.rdoc

### Class/Module Index

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- Sequel::JDBC::SqlAnywhere
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- Sequel::Model::Associations::AssociationDatasetMethods
- Sequel::Model::Associations::AssociationReflection
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- Sequel::Model::Associations::EagerGraphLoader
- Sequel::Model::Associations::InstanceMethods
- Sequel::Model::Associations::ManyToManyAssociationReflection
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- Sequel::Model::Associations::OneToManyAssociationReflection
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- Sequel::Model::ClassMethods
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- Sequel::Model::DatasetModule
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- Sequel::Model::InstanceMethods
- Sequel::MySQL
- Sequel::MySQL::Database
- Sequel::MySQL::DatabaseMethods
- Sequel::MySQL::Dataset
- Sequel::MySQL::DatasetMethods
- Sequel::MySQL::PreparedStatements
- Sequel::MySQL::PreparedStatements::DatabaseMethods
- Sequel::MySQL::PreparedStatements::DatasetMethods
- Sequel::MySQL::PreparedStatements::DatasetMethods::CallableStatementMethods
- Sequel::MySQL::PreparedStatements::DatasetMethods::PreparedStatementMethods
- Sequel::MySQL::PreparedStatements::DatasetMethods::StoredProcedureMethods
- Sequel::Mysql2
- Sequel::Mysql2::Database
- Sequel::Mysql2::Dataset
- Sequel::NamedTimezones
- Sequel::NamedTimezones::DatabaseMethods
- Sequel::NoExistingObject
- Sequel::NoMatchingRow
- Sequel::NotNullConstraintViolation
- Sequel::ODBC
- Sequel::ODBC::Database
- Sequel::ODBC::Dataset
- Sequel::ODBC::MSSQL
- Sequel::ODBC::MSSQL::DatabaseMethods
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- Sequel::Oracle::Database
- Sequel::Oracle::DatabaseMethods
- Sequel::Oracle::Dataset
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- Sequel::Oracle::Dataset::BindArgumentMethods
- Sequel::Oracle::Dataset::PreparedStatementMethods
- Sequel::Oracle::DatasetMethods
- Sequel::Plugins
- Sequel::Plugins::ActiveModel
- Sequel::Plugins::ActiveModel::ClassMethods
- Sequel::Plugins::ActiveModel::Errors
- Sequel::Plugins::ActiveModel::InstanceMethods
- Sequel::Plugins::AfterInitialize
- Sequel::Plugins::AfterInitialize::ClassMethods
- Sequel::Plugins::AfterInitialize::InstanceMethods
- Sequel::Plugins::AssociationAutoreloading
- Sequel::Plugins::AssociationDependencies
- Sequel::Plugins::AssociationDependencies::ClassMethods
- Sequel::Plugins::AssociationDependencies::InstanceMethods
- Sequel::Plugins::AssociationPks
- Sequel::Plugins::AssociationPks::ClassMethods
- Sequel::Plugins::AssociationPks::InstanceMethods
- Sequel::Plugins::AssociationProxies
- Sequel::Plugins::AssociationProxies::AssociationProxy
- Sequel::Plugins::AssociationProxies::ClassMethods
- Sequel::Plugins::AutoValidations
- Sequel::Plugins::AutoValidations::ClassMethods
- Sequel::Plugins::AutoValidations::InstanceMethods
- Sequel::Plugins::BlacklistSecurity
- Sequel::Plugins::BlacklistSecurity::ClassMethods
- Sequel::Plugins::BlacklistSecurity::InstanceMethods
- Sequel::Plugins::BlacklistSecurity::InstanceMethods::ExceptionList
- Sequel::Plugins::BooleanReaders
- Sequel::Plugins::BooleanReaders::ClassMethods
- Sequel::Plugins::Caching
- Sequel::Plugins::Caching::ClassMethods
- Sequel::Plugins::Caching::InstanceMethods
- Sequel::Plugins::ClassTableInheritance
- Sequel::Plugins::ClassTableInheritance::ClassMethods
- Sequel::Plugins::ClassTableInheritance::InstanceMethods
- Sequel::Plugins::Composition
- Sequel::Plugins::Composition::ClassMethods
- Sequel::Plugins::Composition::InstanceMethods
- Sequel::Plugins::ConstraintValidations
- Sequel::Plugins::ConstraintValidations::ClassMethods
- Sequel::Plugins::ConstraintValidations::DatabaseMethods
- Sequel::Plugins::ConstraintValidations::InstanceMethods
- Sequel::Plugins::DatasetAssociations
- Sequel::Plugins::DatasetAssociations::ClassMethods
- Sequel::Plugins::DatasetAssociations::DatasetMethods
- Sequel::Plugins::DefaultsSetter
- Sequel::Plugins::DefaultsSetter::ClassMethods
- Sequel::Plugins::DefaultsSetter::InstanceMethods
- Sequel::Plugins::Dirty
- Sequel::Plugins::Dirty::InstanceMethods
- Sequel::Plugins::EagerEach
- Sequel::Plugins::EagerEach::DatasetMethods
- Sequel::Plugins::ErrorSplitter
- Sequel::Plugins::ErrorSplitter::InstanceMethods
- Sequel::Plugins::ForceEncoding
- Sequel::Plugins::ForceEncoding::ClassMethods
- Sequel::Plugins::ForceEncoding::InstanceMethods
- Sequel::Plugins::HookClassMethods
- Sequel::Plugins::HookClassMethods::ClassMethods
- Sequel::Plugins::HookClassMethods::InstanceMethods
- Sequel::Plugins::InputTransformer
- Sequel::Plugins::InputTransformer::ClassMethods
- Sequel::Plugins::InputTransformer::InstanceMethods
- Sequel::Plugins::InstanceFilters
- Sequel::Plugins::InstanceFilters::Error
- Sequel::Plugins::InstanceFilters::InstanceMethods
- Sequel::Plugins::InstanceHooks
- Sequel::Plugins::InstanceHooks::InstanceMethods
- Sequel::Plugins::JsonSerializer
- Sequel::Plugins::JsonSerializer::ClassMethods
- Sequel::Plugins::JsonSerializer::DatasetMethods
- Sequel::Plugins::JsonSerializer::InstanceMethods
- Sequel::Plugins::JsonSerializer::Literal
- Sequel::Plugins::LazyAttributes
- Sequel::Plugins::LazyAttributes::ClassMethods
- Sequel::Plugins::LazyAttributes::InstanceMethods
- Sequel::Plugins::List
- Sequel::Plugins::List::ClassMethods
- Sequel::Plugins::List::InstanceMethods
- Sequel::Plugins::ManyThroughMany
- Sequel::Plugins::ManyThroughMany::ClassMethods
- Sequel::Plugins::ManyThroughMany::DatasetMethods
- Sequel::Plugins::ManyThroughMany::ManyThroughManyAssociationReflection
- Sequel::Plugins::ManyThroughMany::OneThroughManyAssociationReflection
- Sequel::Plugins::ManyToOnePkLookup
- Sequel::Plugins::MssqlOptimisticLocking
- Sequel::Plugins::MssqlOptimisticLocking::ClassMethods
- Sequel::Plugins::MssqlOptimisticLocking::InstanceMethods
- Sequel::Plugins::NestedAttributes
- Sequel::Plugins::NestedAttributes::ClassMethods
- Sequel::Plugins::NestedAttributes::InstanceMethods
- Sequel::Plugins::OptimisticLocking
- Sequel::Plugins::OptimisticLocking::ClassMethods
- Sequel::Plugins::OptimisticLocking::Error
- Sequel::Plugins::OptimisticLocking::InstanceMethods
- Sequel::Plugins::PgArrayAssociations
- Sequel::Plugins::PgArrayAssociations::ClassMethods
- Sequel::Plugins::PgArrayAssociations::DatasetMethods
- Sequel::Plugins::PgArrayAssociations::ManyToPgArrayAssociationReflection
- Sequel::Plugins::PgArrayAssociations::PgArrayToManyAssociationReflection
- Sequel::Plugins::PgRow
- Sequel::Plugins::PgRow::ClassMethods
- Sequel::Plugins::PgRow::DatabaseMethods
- Sequel::Plugins::PgRow::InstanceMethods
- Sequel::Plugins::PgTypecastOnLoad
- Sequel::Plugins::PgTypecastOnLoad::ClassMethods
- Sequel::Plugins::PgTypecastOnLoad::InstanceMethods
- Sequel::Plugins::PreparedStatements
- Sequel::Plugins::PreparedStatements::ClassMethods
- Sequel::Plugins::PreparedStatements::InstanceMethods
- Sequel::Plugins::PreparedStatementsAssociations
- Sequel::Plugins::PreparedStatementsAssociations::InstanceMethods
- Sequel::Plugins::PreparedStatementsSafe
- Sequel::Plugins::PreparedStatementsSafe::ClassMethods
- Sequel::Plugins::PreparedStatementsSafe::InstanceMethods
- Sequel::Plugins::PreparedStatementsWithPk
- Sequel::Plugins::PreparedStatementsWithPk::ClassMethods
- Sequel::Plugins::PreparedStatementsWithPk::DatasetMethods
- Sequel::Plugins::RcteTree
- Sequel::Plugins::Schema
- Sequel::Plugins::Schema::ClassMethods
- Sequel::Plugins::Scissors
- Sequel::Plugins::Scissors::ClassMethods
- Sequel::Plugins::Serialization
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- Sequel::Plugins::Serialization::InstanceMethods
- Sequel::Plugins::SerializationModificationDetection
- Sequel::Plugins::SerializationModificationDetection::InstanceMethods
- Sequel::Plugins::Sharding
- Sequel::Plugins::Sharding::ClassMethods
- Sequel::Plugins::Sharding::DatasetMethods
- Sequel::Plugins::Sharding::InstanceMethods
- Sequel::Plugins::SingleTableInheritance
- Sequel::Plugins::SingleTableInheritance::ClassMethods
- Sequel::Plugins::SingleTableInheritance::InstanceMethods
- Sequel::Plugins::SkipCreateRefresh
- Sequel::Plugins::SkipCreateRefresh::InstanceMethods
- Sequel::Plugins::StaticCache
- Sequel::Plugins::StaticCache::ClassMethods
- Sequel::Plugins::StaticCache::InstanceMethods
- Sequel::Plugins::StringStripper
- Sequel::Plugins::StringStripper::ClassMethods
- Sequel::Plugins::Subclasses
- Sequel::Plugins::Subclasses::ClassMethods
- Sequel::Plugins::TableSelect
- Sequel::Plugins::TableSelect::ClassMethods
- Sequel::Plugins::TacticalEagerLoading
- Sequel::Plugins::TacticalEagerLoading::DatasetMethods
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- Sequel::Plugins::Timestamps
- Sequel::Plugins::Timestamps::ClassMethods
- Sequel::Plugins::Timestamps::InstanceMethods
- Sequel::Plugins::Touch
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- Sequel::Plugins::Tree
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- Sequel::Plugins::Tree::InstanceMethods
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- Sequel::Plugins::Tree::SingleRoot::ClassMethods
- Sequel::Plugins::Tree::SingleRoot::InstanceMethods
- Sequel::Plugins::Tree::TreeMultipleRootError
- Sequel::Plugins::TypecastOnLoad
- Sequel::Plugins::TypecastOnLoad::ClassMethods
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- Sequel::Plugins::UnlimitedUpdate
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- Sequel::Plugins::UpdateOrCreate::ClassMethods
- Sequel::Plugins::UpdatePrimaryKey
- Sequel::Plugins::UpdatePrimaryKey::InstanceMethods
- Sequel::Plugins::ValidationClassMethods
- Sequel::Plugins::ValidationClassMethods::ClassMethods
- Sequel::Plugins::ValidationClassMethods::ClassMethods::Generator
- Sequel::Plugins::ValidationClassMethods::InstanceMethods
- Sequel::Plugins::ValidationHelpers
- Sequel::Plugins::ValidationHelpers::InstanceMethods
- Sequel::Plugins::XmlSerializer
- Sequel::Plugins::XmlSerializer::ClassMethods
- Sequel::Plugins::XmlSerializer::DatasetMethods
- Sequel::Plugins::XmlSerializer::InstanceMethods
- Sequel::PoolTimeout
- Sequel::Postgres
- Sequel::Postgres::Adapter
- Sequel::Postgres::AlterTableGenerator
- Sequel::Postgres::ArrayOp
- Sequel::Postgres::ArrayOpMethods
- Sequel::Postgres::CreateTableGenerator
- Sequel::Postgres::Database
- Sequel::Postgres::DatabaseMethods
- Sequel::Postgres::Dataset
- Sequel::Postgres::Dataset::ArgumentMapper
- Sequel::Postgres::Dataset::BindArgumentMethods
- Sequel::Postgres::Dataset::PreparedStatementMethods
- Sequel::Postgres::DatasetMethods
- Sequel::Postgres::DatasetMethods::PreparedStatementMethods
- Sequel::Postgres::ExclusionConstraintViolation
- Sequel::Postgres::HStore
- Sequel::Postgres::HStore::DatabaseMethods
- Sequel::Postgres::HStore::Parser
- Sequel::Postgres::HStoreOp
- Sequel::Postgres::HStoreOpMethods
- Sequel::Postgres::InetDatabaseMethods
- Sequel::Postgres::InetDatasetMethods
- Sequel::Postgres::IntervalDatabaseMethods
- Sequel::Postgres::IntervalDatabaseMethods::Parser
- Sequel::Postgres::IntervalDatasetMethods
- Sequel::Postgres::JSONArray
- Sequel::Postgres::JSONArrayBase
- Sequel::Postgres::JSONBArray
- Sequel::Postgres::JSONBHash
- Sequel::Postgres::JSONBOp
- Sequel::Postgres::JSONBaseOp
- Sequel::Postgres::JSONDatabaseMethods
- Sequel::Postgres::JSONHash
- Sequel::Postgres::JSONHashBase
- Sequel::Postgres::JSONOp
- Sequel::Postgres::JSONOpMethods
- Sequel::Postgres::LooseCount
- Sequel::Postgres::PGArray
- Sequel::Postgres::PGArray::Creator
- Sequel::Postgres::PGArray::DatabaseMethods
- Sequel::Postgres::PGArray::JSONCreator
- Sequel::Postgres::PGArray::Parser
- Sequel::Postgres::PGRange
- Sequel::Postgres::PGRange::DatabaseMethods
- Sequel::Postgres::PGRange::DatasetMethods
- Sequel::Postgres::PGRange::Parser
- Sequel::Postgres::PGRow
- Sequel::Postgres::PGRow::ArrayRow
- Sequel::Postgres::PGRow::DatabaseMethods
- Sequel::Postgres::PGRow::HashRow
- Sequel::Postgres::PGRow::Parser
- Sequel::Postgres::PGRow::Splitter
- Sequel::Postgres::PGRowOp
- Sequel::Postgres::PGRowOp::ExpressionMethods
- Sequel::Postgres::RangeOp
- Sequel::Postgres::RangeOpMethods
- Sequel::Postgres::StaticCacheUpdater
- Sequel::PrettyTable
- Sequel::Progress
- Sequel::Progress::DatabaseMethods
- Sequel::Progress::DatasetMethods
- Sequel::Qualifier
- Sequel::QueryLiterals
- Sequel::Rollback
- Sequel::SQL
- Sequel::SQL::AliasMethods
- Sequel::SQL::AliasedExpression
- Sequel::SQL::BitwiseMethods
- Sequel::SQL::Blob
- Sequel::SQL::BooleanConstant
- Sequel::SQL::BooleanExpression
- Sequel::SQL::BooleanMethods
- Sequel::SQL::Builders
- Sequel::SQL::CaseExpression
- Sequel::SQL::Cast
- Sequel::SQL::CastMethods
- Sequel::SQL::ColumnAll
- Sequel::SQL::ComplexExpression
- Sequel::SQL::ComplexExpressionMethods
- Sequel::SQL::Constant
- Sequel::SQL::Constants
- Sequel::SQL::DateAdd
- Sequel::SQL::DateAdd::DatasetMethods
- Sequel::SQL::DelayedEvaluation
- Sequel::SQL::EmulatedFunction
- Sequel::SQL::Expression
- Sequel::SQL::Function
- Sequel::SQL::GenericExpression
- Sequel::SQL::Identifier
- Sequel::SQL::InequalityMethods
- Sequel::SQL::JoinClause
- Sequel::SQL::JoinOnClause
- Sequel::SQL::JoinUsingClause
- Sequel::SQL::NegativeBooleanConstant
- Sequel::SQL::NumericExpression
- Sequel::SQL::NumericMethods
- Sequel::SQL::OperatorBuilders
- Sequel::SQL::OrderMethods
- Sequel::SQL::OrderedExpression
- Sequel::SQL::PlaceholderLiteralString
- Sequel::SQL::QualifiedIdentifier
- Sequel::SQL::QualifyingMethods
- Sequel::SQL::StringConcatenationMethods
- Sequel::SQL::StringExpression
- Sequel::SQL::StringMethods
- Sequel::SQL::Subscript
- Sequel::SQL::SubscriptMethods
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# Sequel::Model::Associations::ManyToManyAssociationReflection

### Public Instance Methods

associated_key_alias() click to toggle source

The alias to use for the associated key when eagerly loading

    # File lib/sequel/model/associations.rb, line 1052
    def associated_key_alias
      self[:left_key_alias]
    end

associated_key_array() click to toggle source

Array of associated keys used when eagerly loading.

    # File lib/sequel/model/associations.rb, line 1057
    def associated_key_array
      cached_fetch(:associated_key_array) do
        if self[:uses_left_composite_keys]
          associated_key_alias.zip(predicate_keys).map{|a, k| SQL::AliasedExpression.new(k, a)}
        else
          [SQL::AliasedExpression.new(predicate_key, associated_key_alias)]
        end
      end
    end

associated_key_column() click to toggle source

The column to use for the associated key when eagerly loading

    # File lib/sequel/model/associations.rb, line 1068
    def associated_key_column
      self[:left_key]
    end

associated_key_table() click to toggle source
Alias for: join_table_alias
associated_object_keys() click to toggle source

Alias of right_primary_keys

    # File lib/sequel/model/associations.rb, line 1073
    def associated_object_keys
      right_primary_keys
    end

can_have_associated_objects?(obj) click to toggle source

many_to_many associations can only have associated objects if none of the :left_primary_keys options have a nil value.

    # File lib/sequel/model/associations.rb, line 1079
    def can_have_associated_objects?(obj)
      !self[:left_primary_keys].any?{|k| obj.send(k).nil?}
    end

cloneable?(ref) click to toggle source

one_through_one and many_to_many associations can be clones

    # File lib/sequel/model/associations.rb, line 1084
    def cloneable?(ref)
      ref[:type] == :many_to_many || ref[:type] == :one_through_one
    end

default_associated_key_alias() click to toggle source

The default associated key alias(es) to use when eager loading associations via eager.

    # File lib/sequel/model/associations.rb, line 1090
    def default_associated_key_alias
      self[:uses_left_composite_keys] ? (0...self[:left_keys].length).map{|i| :"x_foreign_key_#{i}_x"} : :x_foreign_key_x
    end

default_eager_loader(eo) click to toggle source

The default eager loader used if the user doesn't override it. Extracted to a method so the code can be shared with the many_through_many plugin.

    # File lib/sequel/model/associations.rb, line 1096
    def default_eager_loader(eo)
      h = eo[:id_map]
      assign_singular = assign_singular?
      delete_rn = delete_row_number_column
      uses_lcks = self[:uses_left_composite_keys]
      left_key_alias = self[:left_key_alias]
      name = self[:name]

      self[:model].eager_load_results(self, eo) do |assoc_record|
        assoc_record.values.delete(delete_rn) if delete_rn
        hash_key = if uses_lcks
          left_key_alias.map{|k| assoc_record.values.delete(k)}
        else
          assoc_record.values.delete(left_key_alias)
        end
        next unless objects = h[hash_key]
        if assign_singular
          objects.each do |object|
            object.associations[name] ||= assoc_record
          end
        else
          objects.each do |object|
            object.associations[name].push(assoc_record)
          end
        end
      end
    end

default_join_table() click to toggle source

Default name symbol for the join table.

    # File lib/sequel/model/associations.rb, line 1125
    def default_join_table
      [self[:class_name], self[:model].name].map{|i| underscore(pluralize(demodulize(i)))}.sort.join('_').to_sym
    end

default_left_key() click to toggle source

Default foreign key name symbol for key in join table that points to current table's primary key (or :left_primary_key column).

    # File lib/sequel/model/associations.rb, line 1131
    def default_left_key
      :"#{underscore(demodulize(self[:model].name))}_id"
    end

default_right_key() click to toggle source

Default foreign key name symbol for foreign key in join table that points to the association's table's primary key (or :right_primary_key column).

    # File lib/sequel/model/associations.rb, line 1137
    def default_right_key
      :"#{singularize(self[:name])}_id"
    end

eager_loading_use_associated_key?() click to toggle source

many_to_many associations need to select a key in an associated table to eagerly load

    # File lib/sequel/model/associations.rb, line 1154
    def eager_loading_use_associated_key?
      true
    end

join_table_alias() click to toggle source

The join table itself, unless it is aliased, in which case this is the alias.

    # File lib/sequel/model/associations.rb, line 1166
    def join_table_alias
      cached_fetch(:join_table_alias) do
        s, a = split_join_table_alias
        a || s
      end
    end

Also aliased as: associated_key_table
join_table_source() click to toggle source

The source of the join table. This is the join table itself, unless it is aliased, in which case it is the unaliased part.

    # File lib/sequel/model/associations.rb, line 1160
    def join_table_source
      cached_fetch(:join_table_source){split_join_table_alias[0]}
    end

need_associated_primary_key?() click to toggle source

Whether the associated object needs a primary key to be added/removed, true for many_to_many associations.

    # File lib/sequel/model/associations.rb, line 1176
    def need_associated_primary_key?
      true
    end

predicate_key() click to toggle source

The hash key to use for the eager loading predicate (left side of IN (1, 2, 3)). The left key qualified by the join table.

    # File lib/sequel/model/associations.rb, line 1143
    def predicate_key
      cached_fetch(:predicate_key){qualify(join_table_alias, self[:left_key])}
    end

Also aliased as: qualified_left_key
qualified_left_key() click to toggle source
Alias for: predicate_key
qualified_right_key() click to toggle source

The right key qualified by the join table.

    # File lib/sequel/model/associations.rb, line 1149
    def qualified_right_key
      cached_fetch(:qualified_right_key){qualify(join_table_alias, self[:right_key])}
    end

qualified_right_primary_key() click to toggle source

right_primary_key qualified by the associated table

    # File lib/sequel/model/associations.rb, line 1181
    def qualified_right_primary_key
      cached_fetch(:qualified_right_primary_key){qualify_assoc(right_primary_key)}
    end

right_primary_key() click to toggle source

The primary key column(s) to use in the associated table (can be symbol or array).

    # File lib/sequel/model/associations.rb, line 1186
    def right_primary_key
      cached_fetch(:right_primary_key){associated_class.primary_key}
    end

right_primary_key_method() click to toggle source

The method symbol or array of method symbols to call on the associated objects to get the foreign key values for the join table.

    # File lib/sequel/model/associations.rb, line 1197
    def right_primary_key_method
      cached_fetch(:right_primary_key_method){right_primary_key}
    end

right_primary_key_methods() click to toggle source

The array of method symbols to call on the associated objects to get the foreign key values for the join table.

    # File lib/sequel/model/associations.rb, line 1203
    def right_primary_key_methods
      cached_fetch(:right_primary_key_methods){Array(right_primary_key_method)}
    end

right_primary_keys() click to toggle source

The primary key columns to use in the associated table (always array).

    # File lib/sequel/model/associations.rb, line 1191
    def right_primary_keys
      cached_fetch(:right_primary_keys){Array(right_primary_key)}
    end

select() click to toggle source

The columns to select when loading the association, associated_class.table_name.* by default.

    # File lib/sequel/model/associations.rb, line 1208
    def select
     cached_fetch(:select){Sequel::SQL::ColumnAll.new(associated_class.table_name)}
    end

[Validate]

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