Index

A

• -after_add option / :before_add, :after_add, :before_remove, and :after_remove
• -after_remove option / :before_add, :after_add, :before_remove, and :after_remove
• -all / Query selectors
• -allow_destroy object / Nested attributes
• -as option / Relation-specific options
  • about / :as
• -autobuild
  • about / :autobuild
• -autobuild option / Relation-specific options
• -autosave option / Relation-specific options
  • about / :autosave
• accepts_neste_attributes_for
  • URL / Nested attributes
• ActiveModel scopes
  • about / Scopes
• ActiveModel validations / Validations
• Acts as state machine (aasm)
  • about / Acts as state machine (aasm)
  • carrierwave / carrierwave
  • mongoid-audit / mongoid-audit
  • devise / devise
• aggregation framework
  • about / The aggregation framework
  • and MapReduce / MapReduce and the aggregation framework
  • using / Using the aggregation framework
  • and MapReduce, selecting between / Choosing between MapReduce and the aggregation framework
• arrays
  • about / Arrays and hashes
  • queries / Queries on arrays and hashes
• Atomic attribute updates
  • about / Atomic attribute updates
• atomic modifiers
  • about / Atomic modifiers
  • find_and_modify / find_and_modify
• attributes
  • mass assignment / Mass assignment and security
  • updating / Updating documents and attributes
• attr_accessible or attr_protected / Mass assignment and security

B

• -before_add option / :before_add, :after_add, :before_remove, and :after_remove
• -before_remove option / :before_add, :after_add, :before_remove, and :after_remove
• BasicCursor function / Querying with indexed fields
• belongs_to relation
  • about / The belongs_to relation
  • $index option / :index
  • $polymorphic option / :polymorphic
  • $touch option / :touch
  • $counter_cache option / :counter_cache
• BigDecimal data type / Origins of Origin
• Binary JSON (BSON)
  • about / Binary JSON (BSON)
• Binary Tree / Querying with indexed fields
• BSON format / The Mongoid document
• BTreeCursor / Querying with indexed fields

C

• -cascaded_callbacks option / Relation-specific options
• -cascade_callbacks option / :cascade_callbacks
• -class_name option / Common options for all relations
  • about / :class_name
• -counter_cache option / Relation-specific options, :counter_cache
• -cyclic option / Relation-specific options, :cyclic
• callbacks
  • about / Callbacks
  • URL / Callbacks
• carrierwave / carrierwave
• Category object / :inverse_of
• compound index / Compound index
• covered queries
  • about / Covered queries

D

• -delete value / :dependent
• -dependent option / Relation-specific options
  • about / :dependent
  • $delete value / :dependent
  • $destroy value / :dependent
  • $nullify value / :dependent
  • $restrict value / :dependent
• -destroy value / :dependent
• date attributes
  • about / Date and time attributes
• delayed sync / Memory maps, delayed sync, and journals
• deserialize method / Serialization with Mongoize
• devise / devise
• distanceMultiplier operator / Geolocation queries
• dynamic attributes
  • about / Dynamic attributes, Dynamic attributes

E

• -each / Mongoid criteria
• -elem_match / Query selectors
• -exists / Query selectors
• -exists? / Mongoid criteria
• -extend option / Common options for all relations
• eager loading / n+1 query problem and eager loading
• embedded documents
  • about / Embedded documents
• embedded_in method
  • about / embedded_in – resolving children
• embedded_in relation / Embedded documents, Embedded polymorphic relations
• embeds_many method
  • about / embeds_many – embedding many documents
  • $cascade_callbacks option / :cascade_callbacks
  • $store_as option / :store_as
  • $cyclic option / :cyclic
• embeds_one method
  • about / embeds_one – embed one document
• evolve method / Serialization with Mongoize

F

• -find / Mongoid criteria
• -find_and_modify / find_and_modify
• -find_by / Mongoid criteria
• -find_or_create_by / Mongoid criteria
• -find_or_initialize_by / Mongoid criteria
• -first / Mongoid criteria
• -first_or_create / Mongoid criteria
• -first_or_create! / Mongoid criteria
• -first_or_initialize / Mongoid criteria
• -following relation / :inverse_of
• -foreign_key option / Relation-specific options
  • about / :foreign_key
• field aliases
  • about / Field aliases
• findAndModify method / The MongoDB findAndModify method
• find_and_modify
  • about / find_and_modify
• find_and_modify action / Updating documents and attributes
• finite-state machine (FSM)
  • about / Acts as state machine (aasm)
• follower_ids object / :inverse_of

G

• $geoNear / Geolocation queries, Choosing between MapReduce and the aggregation framework
• $group / Choosing between MapReduce and the aggregation framework
• %gt/%gte/%lt/%lte / Query selectors
• Gemfile / Setting up Sodibee
• Geolocation
  • about / Geolocation queries
• geo_near method / Geolocation queries

H

• hashed index / Hashed index
• hashes
  • about / Arrays and hashes
  • queries / Queries on arrays and hashes
• has_and_belongs_to_many relation
  • about / has_and_belongs_to_many – the many-to-many relation
  • $inverse_of option / :inverse_of
• has_many method
  • about / has_many – the many-to-one relation
  • $order option / :order
  • Topicnorder option / :order
  • $after_remove option / :before_add, :after_add, :before_remove, and :after_remove
  • $before_add option / :before_add, :after_add, :before_remove, and :after_remove
  • $before_remove option / :before_add, :after_add, :before_remove, and :after_remove
  • $after_add option / :before_add, :after_add, :before_remove, and :after_remove
• has_one method
  • about / has_one – the one-to-one relation
  • $as option / :as
  • $autosave option / :autosave
  • $autobuild option / :autobuild
  • $dependent option / :dependent
  • $primary_key option / :primary_key
  • $foreign_key option / :foreign_key
  • $validate option / :validate

I

• -in / Query selectors
• -index option / Relation-specific options, :index
• -inverse_class_name option / Common options for all relations
• -inverse_of option / Common options for all relations, :inverse_of
  • about / :inverse_of
• IdentityMap
  • about / IdentityMap
  • n+1 query problem / n+1 query problem and eager loading
  • eager loading / n+1 query problem and eager loading
• inc method / Atomic attribute updates
• indexed fields
  • querying with / Querying with indexed fields
• indexes
  • about / Indexes
  • creation, options / Indexes
  • write concern / Write concern
  • writie concern / Write concern
  • compound index / Compound index
  • multikey index / Multikey index
  • hashed index / Hashed index
  • text indexes / Text index
• inverse_of method / :inverse_of
• inverse_of option / :inverse_of, :cyclic

J

• journals / Memory maps, delayed sync, and journals

L

• $limit / Choosing between MapReduce and the aggregation framework
• -last / Mongoid criteria
• -limit object / Nested attributes
• localization
  • about / Localization
• lock versioning / Applications and lock versioning

M

• $match / The aggregation framework, Choosing between MapReduce and the aggregation framework
• MapReduce
  • and aggregation framework / MapReduce and the aggregation framework
  • and aggregation framework, selecting between / Choosing between MapReduce and the aggregation framework
• mass assignment
  • of attributes / Mass assignment and security
  • attr_protected / Mass assignment and security
  • attr_accessible / Mass assignment and security
  • strong_parameters / Mass assignment and security
  • resolving / Mass assignment and security
• memory maps
  • about / Memory maps, delayed sync, and journals
• models
  • creating / Creating models
  • testing / Testing the models
• modules, Mongoid
  • timestamping / Timestamping
  • versioning / Versioning
  • Paranoia / Paranoia
  • Acts as state machine (aasm) / Acts as state machine (aasm)
• MongoDB
  • findAndModify method / The MongoDB findAndModify method
  • aggregation framework / The aggregation framework
  • profiling / Profiling MongoDB
• MongoDB environment
  • about / MongoDB environment
• MongoDB version
  • about / MongoDB version
• Mongoid
  • and MongoMapper / Mongoid and MongoMapper
  • Symbol class, overloading / Overloading the Symbol class
  • ActiveModel scopes / Scopes
• Mongoid$$Criteria / Serialization with Mongoize
• Mongoid$$Criteria module / Mongoid criteria
• Mongoid$$Errors$$MixedRelations error / Embedded documents
• Mongoid$$Extensions / Serialization with Mongoize
• mongoid-audit / mongoid-audit
• Mongoid 2.x
  • about / Notice about Mongoid 2.x
• Mongoid criteria
  • about / Mongoid criteria
• Mongoid document
  • about / The Mongoid document
  • attributes / Basic attributes
  • arrays / Arrays and hashes
  • hashes / Arrays and hashes
  • date and time attributes / Date and time attributes
  • serializing with / Serialization with Mongoize
  • Field aliases / Field aliases
  • embedded / Embedded documents
  • processing / MongoDB persistence strategy
  • creating / Creating documents
  • updating / Updating documents and attributes
  • database locks / Database locks and transactions
  • transactions / Database locks and transactions
  • lock versioning / Applications and lock versioning
• MongoMapper
  • and Mongoid / Mongoid and MongoMapper
  • about / Embedded documents
• Moped
  • about / Introducing Moped
• multikey index / Multikey index

N

• -name option / Common options for all relations
• -near / Query selectors
• -near_sphere / Query selectors
• -nin / Query selectors
• -nullify value / :dependent
• nested attributes
  • about / Nested attributes
• nreturned expression / Monitoring query performance
• nsanned expression / Monitoring query performance
• nscanned parameter / Profiling MongoDB
• ntoreturn expression / Monitoring query performance
• numYields expression / Monitoring query performance

O

• -order option / Relation-specific options
• origin
  • about / Origins of Origin
• Origin
  • about / Introducing Origin

P

• $project / The aggregation framework, Choosing between MapReduce and the aggregation framework
• -polymorphic option / Relation-specific options, :polymorphic
• -primary_key option / Relation-specific options
  • about / :primary_key
• params hash / Mass assignment and security
• Paranoia module
  • about / Paranoia
• pluck object / Mongoid criteria
• Polymorphic relations
  • about / Polymorphic relations
  • embedded / Embedded polymorphic relations

Q

• query expression / Monitoring query performance
• query performance
  • monitoring / Monitoring query performance
  • statistical data, finding / Statistical data
  • Hint and currentOp / Hint and currentOp
• query selectors
  • about / Query selectors
  • Topicnall / Query selectors
  • Topicnexists / Query selectors
  • %gt/%gte/%lt/%lte / Query selectors
  • Topicnin / Query selectors
  • Topicnnin / Query selectors
  • Topicnelem_match / Query selectors
  • Topicnnear / Query selectors
  • Topicnnear_sphere / Query selectors
  • Topicnwithin_box / Query selectors
  • Topicnwithin_circle / Query selectors
  • Topicnwithin_spherical_circle / Query selectors
  • Topicnwithin_polygon / Query selectors
• { $query
  • { ... } expression / Monitoring query performance

R

• -reject_if object / Nested attributes
• -relation option / Common options for all relations
• -restrict value / :dependent
• reduce function / MapReduce and the aggregation framework
• Relation-specific options
  • $as option / Relation-specific options
  • $autosave option / Relation-specific options
  • $autobuild option / Relation-specific options
  • $primary_key option / Relation-specific options
  • $touch option / Relation-specific options
  • $dependent option / Relation-specific options
  • $foreign_key option / Relation-specific options
  • $order option / Relation-specific options
  • $counter_cache option / Relation-specific options
  • $index option / Relation-specific options
  • $validate option / Relation-specific options
  • $polymorphic option / Relation-specific options
  • $cyclic option / Relation-specific options
  • $cascaded_callbacks option / Relation-specific options
  • $store_as option / Relation-specific options
  • $versioned option / Relation-specific options
• relations
  • name / Configuring relationships
  • options / Configuring relationships, Common options for all relations
  • block / Configuring relationships
  • $class_name option / Common options for all relations, :class_name
  • $inverse_of option / Common options for all relations, :inverse_of
  • $extend option / Common options for all relations
  • $inverse_class_name option / Common options for all relations
  • $name option / Common options for all relations
  • $relation option / Common options for all relations
• reslen expression / Monitoring query performance
• resource_id field / :as
• resource_type field / :as
• Ruby version
  • about / Ruby version

S

• $skip / Choosing between MapReduce and the aggregation framework
• $sort / The aggregation framework, Choosing between MapReduce and the aggregation framework
• $sum / The aggregation framework
• -store_as option / Relation-specific options, :store_as
• save! function / Updating documents and attributes
• serialization
  • about / Serialization with Mongoize
• serialize method / Serialization with Mongoize
• Sodibee
  • about / A practical approach using the Sodibee library system
  • functions / A practical approach using the Sodibee library system
  • prerequisites / Checking prerequisites
  • setting up / Setting up Sodibee
• Sodibee, prerequisites
  • Ruby version / Ruby version
  • MongoDB version / MongoDB version
• Sodibee, setting up
  • models, creating / Creating models
  • models, testing / Testing the models
• sodibee_development.authors expression / Monitoring query performance
• strong_parameters / Mass assignment and security
• Symbol class
  • overloading / Overloading the Symbol class

T

• -touch option / Relation-specific options, :touch
• text index
  • about / Text index
• time attributes
  • about / Date and time attributes
• timestamping
  • about / Timestamping

U

• $unwind / The aggregation framework, Choosing between MapReduce and the aggregation framework
• upsert action / Updating documents and attributes

V

• -validate option / Relation-specific options
  • about / :validate
• -versioned option / Relation-specific options
• validates_associated method / :validate
• validation
  • URL / Validations
• validations
  • about / Validations
• Vehicle model
  • designing / Polymorphic relations
• versioning
  • about / Versioning

W

• -within_box / Query selectors
• -within_circle / Query selectors
• -within_polygon / Query selectors
• -within_spherical_circle / Query selectors