DescendantsRelation
class DescendantsRelation extends BaseRelation
Traits
Constants
| protected CONSTRAINTS_CONTEXT_KEY |
The context key for storing whether constraints are enabled. |
| protected NESTED_CONSTRAINTS_CONTEXT_KEY |
The context key for enabling constraints on nested relation attributes. |
| protected EAGER_CONSTRAINT_GROUP_SIZE |
The maximum number of "or" constraints chained in one eager constraint group. |
Properties
| static protected array | $macros | The registered string macros. |
from Macroable |
| protected TModel> | $query | The nested-set query builder instance. |
from BaseRelation |
| protected TDeclaringModel | $parent | The parent model instance. |
from Relation |
| protected TRelatedModel | $related | The related model instance. |
from Relation |
| protected bool | $eagerKeysWereEmpty | Indicates whether the eagerly loaded relation should implicitly return an empty collection. |
from Relation |
| static array<int|Model>> | $morphMap | An array to map morph names to their class names in the database. |
from Relation |
| static protected bool | $requireMorphMap | Prevents morph relationships without a morph map. |
from Relation |
| static protected int | $selfJoinCount | The count of self joins. |
from Relation |
Methods
Forward a method call to the given object.
Forward a method call to the given object, returning $this if the forwarded call returned itself.
Throw a bad method call exception for the given method.
Mix another object into the class.
Dynamically handle calls to the class.
Dynamically handle calls to the class.
Run a callback without constraints while preserving them for nested relation attributes.
Run a callback with the configured relation constraints.
Run a callback with constraints when resolving a nested relation attribute.
Determine if constraints should be added to the relation query.
Set the base constraints on the relation query.
Set the constraints for an eager load of the relation.
Initialize the relation on a set of models.
Match the eagerly loaded results to their parents.
Execute the query and get the first result if it's the sole matching record.
Update related keys, splitting unbounded queries at the statement binding limit.
Add the constraints for a relationship count query.
Get the relation existence query.
Get a relationship join table hash.
Get all of the primary keys for an array of models.
Get the query builder that will contain the relationship constraints.
Add a whereIn eager constraint for the given set of model keys to be loaded.
Prevent polymorphic relationships from being used without model mappings.
Determine if polymorphic relationships require explicit model mapping.
Define the morph map for polymorphic relations and require all morphed models to be explicitly mapped.
Set or get the morph map for polymorphic relations.
Build a table-keyed array from model class names.
Get the model associated with a custom polymorphic type.
Get the alias associated with a custom polymorphic class.
Constrain the eager query to descendants of the prepared parents.
Match descendants by binary search over each scope's left bounds.
Get the descendant relation existence condition.
Add constraints as balanced nested "or" groups.
Remove empty parent intervals and those whose descendant queries are already covered.
Prepare the lazy parent or constrain an unsaved parent to no results.
Ensure a persisted relation model contains its required projection.
Group eager results by scope in left-bound order, keeping their query positions.
Restore query order among matched bucket entries when the bucket was re-sorted.
Find the first sorted value greater than or equal to the given value.
Details
in
ForwardsCalls at line 22
protected mixed
forwardCallTo(mixed $object, string $method, array $parameters)
Forward a method call to the given object.
in
ForwardsCalls at line 52
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.
in
ForwardsCalls at line 66
static protected never
throwBadMethodCallException(string $method)
Throw a bad method call exception for the given method.
in
Macroable at line 30
static void
macro(string $name, callable|object $macro)
Register a custom macro.
Macros persist in a static property for the worker lifetime and apply to every subsequent call on the macroable class.
in
Macroable at line 44
static void
mixin(object $mixin, bool $replace = true)
Mix another object into the class.
Delegates to macro() for each method; registered macros persist in a static property for the worker lifetime.
in
Macroable at line 61
static bool
hasMacro(string $name)
Check if macro is registered.
in
Macroable at line 72
static void
flushMacros()
Flush the existing macros.
Clears worker-wide macros; concurrent coroutines may resolve different methods depending on timing.
in
Macroable at line 83
static mixed
__callStatic(string $method, array $parameters)
Dynamically handle calls to the class.
in
Macroable at line 108
mixed
__call(string $method, array $parameters)
Dynamically handle calls to the class.
in
BaseRelation at line 45
__construct(QueryBuilder $builder, Model $model)
Create a new nested set relation.
in
Relation at line 112
static mixed
noConstraints(Closure $callback)
Run a callback with constraints disabled on the relation.
in
Relation at line 125
static mixed
noConstraintsForRelation(Closure $callback)
Run a callback without constraints while preserving them for nested relation attributes.
in
Relation at line 138
static protected mixed
withoutConstraints(Closure $callback, bool $constraintsForNestedRelations)
Run a callback with the configured relation constraints.
in
Relation at line 165
static mixed
withConstraints(Closure $callback)
Run a callback with constraints enabled on the relation.
in
Relation at line 186
static mixed
withConstraintsForNestedRelation(Closure $callback)
Run a callback with constraints when resolving a nested relation attribute.
in
Relation at line 196
static bool
shouldAddConstraints()
Determine if constraints should be added to the relation query.
at line 21
void
addConstraints()
Set the base constraints on the relation query.
in
BaseRelation at line 170
void
addEagerConstraints(array $models)
Set the constraints for an eager load of the relation.
in
BaseRelation at line 140
array
initRelation(array $models, string $relation)
Initialize the relation on a set of models.
in
BaseRelation at line 188
array
match(array $models, Collection $results, string $relation)
Match the eagerly loaded results to their parents.
in
BaseRelation at line 158
TResult
getResults()
Get the results of the relationship.
in
Relation at line 242
Collection
getEager()
Get the relationship for eager loading.
in
Relation at line 257
Model
sole(array|string $columns = ['*'])
Execute the query and get the first result if it's the sole matching record.
in
Relation at line 279
Collection
get(array $columns = ['*'])
Execute the query as a "select" statement.
in
Relation at line 287
void
touch()
Touch all of the related models for the relationship.
in
Relation at line 305
protected void
updateRelatedKeys(Builder $query, string $column, Collection $keys, array $values)
Update related keys, splitting unbounded queries at the statement binding limit.
in
Relation at line 329
int
rawUpdate(array $attributes = [])
Run a raw update against the base query.
in
Relation at line 341
Builder
getRelationExistenceCountQuery(Builder $query, Builder $parentQuery)
Add the constraints for a relationship count query.
in
BaseRelation at line 92
Builder
getRelationExistenceQuery(Builder $query, Builder $parentQuery, mixed $columns = ['*'])
Get the relation existence query.
in
BaseRelation at line 148
string
getRelationCountHash(bool $incrementJoinCount = true)
Get a relationship join table hash.
in
Relation at line 382
protected array
getKeys(array $models, string|null $key = null)
Get all of the primary keys for an array of models.
in
Relation at line 394
protected Builder
getRelationQuery()
Get the query builder that will contain the relationship constraints.
in
Relation at line 412
Builder
getBaseQuery()
Get the base query builder driving the Eloquent builder.
in
Relation at line 438
string
getQualifiedParentKeyName()
Get the fully-qualified parent key name.
in
Relation at line 456
Relation
withCasts(array $casts)
Apply query-time casts to the related model instance.
in
Relation at line 471
string
getRelatedClass()
Get the class name of the related model.
in
Relation at line 479
string
createdAt()
Get the name of the "created at" column.
in
Relation at line 487
string
updatedAt()
Get the name of the "updated at" column.
in
Relation at line 495
string
relatedUpdatedAt()
Get the name of the related model's "updated at" column.
in
Relation at line 505
protected void
whereInEager(string $whereIn, string $key, array $modelKeys, Builder|null $query = null)
Add a whereIn eager constraint for the given set of model keys to be loaded.
in
Relation at line 517
protected string
whereInMethod(Model $model, string $key)
Get the name of the "where in" method for eager loading.
in
Relation at line 531
static void
requireMorphMap(bool $requireMorphMap = true)
Prevent polymorphic relationships from being used without model mappings.
The flag persists in a static property for the worker lifetime and applies to every polymorphic resolution across all coroutines.
in
Relation at line 540
static bool
requiresMorphMap()
Determine if polymorphic relationships require explicit model mapping.
in
Relation at line 554
static array
enforceMorphMap(array $map, bool $merge = true)
Define the morph map for polymorphic relations and require all morphed models to be explicitly mapped.
Sets both worker-wide morph state (requireMorphMap + morphMap) shared by every coroutine.
in
Relation at line 571
static array
morphMap(array|null $map = null, bool $merge = true)
Set or get the morph map for polymorphic relations.
A given map persists in a static property for the worker lifetime and applies to every polymorphic resolution across all coroutines.
in
Relation at line 591
static protected array|null
buildMorphMapFromModels(array|null $models = null)
Build a table-keyed array from model class names.
in
Relation at line 607
static string|null
getMorphedModel(int|string|null $alias)
Get the model associated with a custom polymorphic type.
in
Relation at line 621
static int|string
getMorphAlias(string $className)
Get the alias associated with a custom polymorphic class.
in
Relation at line 639
static void
flushState()
Flush all static state.
in
Relation at line 662
void
__clone()
Force a clone of the underlying query builder when cloning.
at line 37
protected void
constrainEagerModels(Builder $query, array $models)
Constrain the eager query to descendants of the prepared parents.
at line 116
protected array
matchMany(array $models, Collection $results)
Match descendants by binary search over each scope's left bounds.
at line 226
protected string
relationExistenceCondition(string $hash, string $table, string $lft, string $rgt)
Get the descendant relation existence condition.
at line 195
protected array
requiredParentColumns(Model $model)
Get the parent columns required to resolve descendants.
at line 207
protected array
requiredRelatedColumns(Model $model)
Get the related columns required to match descendants.
in
BaseRelation at line 231
protected void
addBalancedOrConstraints(Builder $query, array $items, Closure $constraint)
Add constraints as balanced nested "or" groups.
SQLite parses each chained "or" as one more level of expression depth and rejects expressions deeper than 1,000 levels, so long eager constraint lists are split into bounded groups instead of one chain. The callback adds one "or" constraint for an item.
at line 67
protected array
prepareEagerModels(array $models)
Remove empty parent intervals and those whose descendant queries are already covered.
in
BaseRelation at line 304
protected bool
prepareLazyParent()
Prepare the lazy parent or constrain an unsaved parent to no results.
in
BaseRelation at line 324
protected void
ensureProjection(Model $model, array $columns, string $context)
Ensure a persisted relation model contains its required projection.
in
BaseRelation at line 347
protected array
sortedResultBuckets(Collection $results, bool $includeRgt)
Group eager results by scope in left-bound order, keeping their query positions.
in
BaseRelation at line 396
protected array
bucketModels(array $bucket, array $matches)
Restore query order among matched bucket entries when the bucket was re-sorted.
in
BaseRelation at line 411
protected string|null
matchKey(Model $model)
Get a model key in the string form used to recognize a parent's own row.
in
BaseRelation at line 423
protected array
scopeValues(Model $model)
Get the normalized nested-set scope values for a node.
in
BaseRelation at line 431
protected string
scopeKey(Model $model)
Get the stable identity key for a node's nested-set scope.
in
BaseRelation at line 439
string
getForeignKeyName()
Get the plain foreign key.
in
BaseRelation at line 447
string
getQualifiedForeignKeyName()
Get the qualified foreign key name.
at line 48
protected void
addEagerConstraint(Builder $query, Model $model)
Add an eager descendant constraint.
at line 174
static protected int
lowerBound(array $values, int $needle)
Find the first sorted value greater than or equal to the given value.
at line 218
protected array
scopeColumns(Model $model)
Get the scope projection required for matching.