abstract class Relation implements Builder (View source)

Traits

Properties

static protected array $macros

The registered string macros.

from  Macroable
protected Builder $query

The Eloquent query builder instance.

protected Model $parent

The parent model instance.

$related

The related model instance.

protected bool $eagerKeysWereEmpty

Indicates whether the eagerly loaded relation should implicitly return an empty collection.

static protected bool $constraints

Indicates if the relation is adding constraints.

static array $morphMap

An array to map class names to their morph names in the database.

static protected bool $requireMorphMap

Prevents morph relationships without a morph map.

static protected int $selfJoinCount

The count of self joins.

Methods

mixed
forwardCallTo(mixed $object, string $method, array $parameters)

Forward a method call to the given object.

mixed
forwardDecoratedCallTo(mixed $object, string $method, array $parameters)

Forward a method call to the given object, returning $this if the forwarded call returned itself.

static void
throwBadMethodCallException(string $method)

Throw a bad method call exception for the given method.

static void
macro(string $name, object|callable $macro)

Register a custom macro.

static void
mixin(object $mixin, bool $replace = true)

Mix another object into the class.

static bool
hasMacro(string $name)

Checks if macro is registered.

static void
flushMacros()

Flush the existing macros.

static mixed
__callStatic(string $method, array $parameters)

Dynamically handle calls to the class.

mixed
__call(string $method, array $parameters)

Handle dynamic method calls to the relationship.

void
__construct(Builder $query, Model $parent)

Create a new relation instance.

static mixed
noConstraints(Closure $callback)

Run a callback with constraints disabled on the relation.

void
addConstraints()

Set the base constraints on the relation query.

void
addEagerConstraints(array $models)

Set the constraints for an eager load of the relation.

array
initRelation(array $models, string $relation)

Initialize the relation on a set of models.

array
match(array $models, Collection $results, string $relation)

Match the eagerly loaded results to their parents.

mixed
getResults()

Get the results of the relationship.

getEager()

Get the relationship for eager loading.

sole(array|string $columns = ['*'])

Execute the query and get the first result if it's the sole matching record.

get(array $columns = ['*'])

Execute the query as a "select" statement.

void
touch()

Touch all of the related models for the relationship.

int
rawUpdate(array $attributes = [])

Run a raw update against the base query.

getRelationExistenceCountQuery(Builder $query, Builder $parentQuery)

Add the constraints for a relationship count query.

getRelationExistenceQuery(Builder $query, Builder $parentQuery, array|mixed $columns = ['*'])

Add the constraints for an internal relationship existence query.

string
getRelationCountHash(bool $incrementJoinCount = true)

Get a relationship join table hash.

array
getKeys(array $models, string|null $key = null)

Get all of the primary keys for an array of models.

getRelationQuery()

Get the query builder that will contain the relationship constraints.

getQuery()

Get the underlying query for the relation.

getBaseQuery()

Get the base query builder driving the Eloquent builder.

toBase()

Get a base query builder instance.

getParent()

Get the parent model of the relation.

string
getQualifiedParentKeyName()

Get the fully qualified parent key name.

getRelated()

Get the related model of the relation.

string
createdAt()

Get the name of the "created at" column.

string
updatedAt()

Get the name of the "updated at" column.

string
relatedUpdatedAt()

Get the name of the related model's "updated at" column.

void
whereInEager(string $whereIn, string $key, array $modelKeys, Builder $query = null)

Add a whereIn eager constraint for the given set of model keys to be loaded.

string
whereInMethod(Model $model, string $key)

Get the name of the "where in" method for eager loading.

static void
requireMorphMap(bool $requireMorphMap = true)

Prevent polymorphic relationships from being used without model mappings.

static bool
requiresMorphMap()

Determine if polymorphic relationships require explicit model mapping.

static array
enforceMorphMap(array $map, bool $merge = true)

Define the morph map for polymorphic relations and require all morphed models to be explicitly mapped.

static array
morphMap(array $map = null, bool $merge = true)

Set or get the morph map for polymorphic relations.

static array|null
buildMorphMapFromModels(array $models = null)

Builds a table-keyed array from model class names.

static string|null
getMorphedModel(string $alias)

Get the model associated with a custom polymorphic type.

void
__clone()

Force a clone of the underlying query builder when cloning.

Details

protected mixed forwardCallTo(mixed $object, string $method, array $parameters)

Forward a method call to the given object.

Parameters

mixed $object
string $method
array $parameters

Return Value

mixed

Exceptions

BadMethodCallException

protected mixed forwardDecoratedCallTo(mixed $object, string $method, array $parameters)

Forward a method call to the given object, returning $this if the forwarded call returned itself.

Parameters

mixed $object
string $method
array $parameters

Return Value

mixed

Exceptions

BadMethodCallException

static protected void throwBadMethodCallException(string $method)

Throw a bad method call exception for the given method.

Parameters

string $method

Return Value

void

Exceptions

BadMethodCallException

static void macro(string $name, object|callable $macro)

Register a custom macro.

Parameters

string $name
object|callable $macro

Return Value

void

static void mixin(object $mixin, bool $replace = true)

Mix another object into the class.

Parameters

object $mixin
bool $replace

Return Value

void

Exceptions

ReflectionException

static bool hasMacro(string $name)

Checks if macro is registered.

Parameters

string $name

Return Value

bool

static void flushMacros()

Flush the existing macros.

Return Value

void

static mixed __callStatic(string $method, array $parameters)

Dynamically handle calls to the class.

Parameters

string $method
array $parameters

Return Value

mixed

Exceptions

BadMethodCallException

mixed __call(string $method, array $parameters)

Handle dynamic method calls to the relationship.

Parameters

string $method
array $parameters

Return Value

mixed

void __construct(Builder $query, Model $parent)

Create a new relation instance.

Parameters

Builder $query
Model $parent

Return Value

void

static mixed noConstraints(Closure $callback)

Run a callback with constraints disabled on the relation.

Parameters

Closure $callback

Return Value

mixed

abstract void addConstraints()

Set the base constraints on the relation query.

Return Value

void

abstract void addEagerConstraints(array $models)

Set the constraints for an eager load of the relation.

Parameters

array $models

Return Value

void

abstract array initRelation(array $models, string $relation)

Initialize the relation on a set of models.

Parameters

array $models
string $relation

Return Value

array

abstract array match(array $models, Collection $results, string $relation)

Match the eagerly loaded results to their parents.

Parameters

array $models
Collection $results
string $relation

Return Value

array

abstract mixed getResults()

Get the results of the relationship.

Return Value

mixed

Collection getEager()

Get the relationship for eager loading.

Return Value

Collection

Model sole(array|string $columns = ['*'])

Execute the query and get the first result if it's the sole matching record.

Parameters

array|string $columns

Return Value

Model

Exceptions

Model>
MultipleRecordsFoundException

Collection get(array $columns = ['*'])

Execute the query as a "select" statement.

Parameters

array $columns

Return Value

Collection

void touch()

Touch all of the related models for the relationship.

Return Value

void

int rawUpdate(array $attributes = [])

Run a raw update against the base query.

Parameters

array $attributes

Return Value

int

Builder getRelationExistenceCountQuery(Builder $query, Builder $parentQuery)

Add the constraints for a relationship count query.

Parameters

Builder $query
Builder $parentQuery

Return Value

Builder

Builder getRelationExistenceQuery(Builder $query, Builder $parentQuery, array|mixed $columns = ['*'])

Add the constraints for an internal relationship existence query.

Essentially, these queries compare on column names like whereColumn.

Parameters

Builder $query
Builder $parentQuery
array|mixed $columns

Return Value

Builder

string getRelationCountHash(bool $incrementJoinCount = true)

Get a relationship join table hash.

Parameters

bool $incrementJoinCount

Return Value

string

protected array getKeys(array $models, string|null $key = null)

Get all of the primary keys for an array of models.

Parameters

array $models
string|null $key

Return Value

array

protected Builder getRelationQuery()

Get the query builder that will contain the relationship constraints.

Return Value

Builder

Builder getQuery()

Get the underlying query for the relation.

Return Value

Builder

Builder getBaseQuery()

Get the base query builder driving the Eloquent builder.

Return Value

Builder

Builder toBase()

Get a base query builder instance.

Return Value

Builder

Model getParent()

Get the parent model of the relation.

Return Value

Model

string getQualifiedParentKeyName()

Get the fully qualified parent key name.

Return Value

string

Model getRelated()

Get the related model of the relation.

Return Value

Model

string createdAt()

Get the name of the "created at" column.

Return Value

string

string updatedAt()

Get the name of the "updated at" column.

Return Value

string

string relatedUpdatedAt()

Get the name of the related model's "updated at" column.

Return Value

string

protected void whereInEager(string $whereIn, string $key, array $modelKeys, Builder $query = null)

Add a whereIn eager constraint for the given set of model keys to be loaded.

Parameters

string $whereIn
string $key
array $modelKeys
Builder $query

Return Value

void

protected string whereInMethod(Model $model, string $key)

Get the name of the "where in" method for eager loading.

Parameters

Model $model
string $key

Return Value

string

static void requireMorphMap(bool $requireMorphMap = true)

Prevent polymorphic relationships from being used without model mappings.

Parameters

bool $requireMorphMap

Return Value

void

static bool requiresMorphMap()

Determine if polymorphic relationships require explicit model mapping.

Return Value

bool

static array enforceMorphMap(array $map, bool $merge = true)

Define the morph map for polymorphic relations and require all morphed models to be explicitly mapped.

Parameters

array $map
bool $merge

Return Value

array

static array morphMap(array $map = null, bool $merge = true)

Set or get the morph map for polymorphic relations.

Parameters

array $map
bool $merge

Return Value

array

static protected array|null buildMorphMapFromModels(array $models = null)

Builds a table-keyed array from model class names.

Parameters

array $models

Return Value

array|null

static string|null getMorphedModel(string $alias)

Get the model associated with a custom polymorphic type.

Parameters

string $alias

Return Value

string|null

void __clone()

Force a clone of the underlying query builder when cloning.

Return Value

void