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<?php
namespace Illuminate\Database\Eloquent\Concerns;
use BadMethodCallException;
use Closure;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\RelationNotFoundException;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Database\Query\Builder as QueryBuilder;
use Illuminate\Database\Query\Expression;
use Illuminate\Support\Str;
use InvalidArgumentException;
trait QueriesRelationships
{
/**
* Add a relationship count / exists condition to the query.
*
* @param \Illuminate\Database\Eloquent\Relations\Relation|string $relation
* @param string $operator
* @param int $count
* @param string $boolean
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*
* @throws \RuntimeException
*/
public function has($relation, $operator = '>=', $count = 1, $boolean = 'and', Closure $callback = null)
{
if (is_string($relation)) {
if (str_contains($relation, '.')) {
return $this->hasNested($relation, $operator, $count, $boolean, $callback);
}
$relation = $this->getRelationWithoutConstraints($relation);
}
if ($relation instanceof MorphTo) {
return $this->hasMorph($relation, ['*'], $operator, $count, $boolean, $callback);
}
// If we only need to check for the existence of the relation, then we can optimize
// the subquery to only run a "where exists" clause instead of this full "count"
// clause. This will make these queries run much faster compared with a count.
$method = $this->canUseExistsForExistenceCheck($operator, $count)
? 'getRelationExistenceQuery'
: 'getRelationExistenceCountQuery';
$hasQuery = $relation->{$method}(
$relation->getRelated()->newQueryWithoutRelationships(), $this
);
// Next we will call any given callback as an "anonymous" scope so they can get the
// proper logical grouping of the where clauses if needed by this Eloquent query
// builder. Then, we will be ready to finalize and return this query instance.
if ($callback) {
$hasQuery->callScope($callback);
}
return $this->addHasWhere(
$hasQuery, $relation, $operator, $count, $boolean
);
}
/**
* Add nested relationship count / exists conditions to the query.
*
* Sets up recursive call to whereHas until we finish the nested relation.
*
* @param string $relations
* @param string $operator
* @param int $count
* @param string $boolean
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
protected function hasNested($relations, $operator = '>=', $count = 1, $boolean = 'and', $callback = null)
{
$relations = explode('.', $relations);
$doesntHave = $operator === '<' && $count === 1;
if ($doesntHave) {
$operator = '>=';
$count = 1;
}
$closure = function ($q) use (&$closure, &$relations, $operator, $count, $callback) {
// In order to nest "has", we need to add count relation constraints on the
// callback Closure. We'll do this by simply passing the Closure its own
// reference to itself so it calls itself recursively on each segment.
count($relations) > 1
? $q->whereHas(array_shift($relations), $closure)
: $q->has(array_shift($relations), $operator, $count, 'and', $callback);
};
return $this->has(array_shift($relations), $doesntHave ? '<' : '>=', 1, $boolean, $closure);
}
/**
* Add a relationship count / exists condition to the query with an "or".
*
* @param string $relation
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orHas($relation, $operator = '>=', $count = 1)
{
return $this->has($relation, $operator, $count, 'or');
}
/**
* Add a relationship count / exists condition to the query.
*
* @param string $relation
* @param string $boolean
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function doesntHave($relation, $boolean = 'and', Closure $callback = null)
{
return $this->has($relation, '<', 1, $boolean, $callback);
}
/**
* Add a relationship count / exists condition to the query with an "or".
*
* @param string $relation
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orDoesntHave($relation)
{
return $this->doesntHave($relation, 'or');
}
/**
* Add a relationship count / exists condition to the query with where clauses.
*
* @param string $relation
* @param \Closure|null $callback
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereHas($relation, Closure $callback = null, $operator = '>=', $count = 1)
{
return $this->has($relation, $operator, $count, 'and', $callback);
}
/**
* Add a relationship count / exists condition to the query with where clauses.
*
* Also load the relationship with same condition.
*
* @param string $relation
* @param \Closure|null $callback
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function withWhereHas($relation, Closure $callback = null, $operator = '>=', $count = 1)
{
return $this->whereHas(Str::before($relation, ':'), $callback, $operator, $count)
->with($callback ? [$relation => fn ($query) => $callback($query)] : $relation);
}
/**
* Add a relationship count / exists condition to the query with where clauses and an "or".
*
* @param string $relation
* @param \Closure|null $callback
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereHas($relation, Closure $callback = null, $operator = '>=', $count = 1)
{
return $this->has($relation, $operator, $count, 'or', $callback);
}
/**
* Add a relationship count / exists condition to the query with where clauses.
*
* @param string $relation
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereDoesntHave($relation, Closure $callback = null)
{
return $this->doesntHave($relation, 'and', $callback);
}
/**
* Add a relationship count / exists condition to the query with where clauses and an "or".
*
* @param string $relation
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereDoesntHave($relation, Closure $callback = null)
{
return $this->doesntHave($relation, 'or', $callback);
}
/**
* Add a polymorphic relationship count / exists condition to the query.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param string $operator
* @param int $count
* @param string $boolean
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function hasMorph($relation, $types, $operator = '>=', $count = 1, $boolean = 'and', Closure $callback = null)
{
if (is_string($relation)) {
$relation = $this->getRelationWithoutConstraints($relation);
}
$types = (array) $types;
if ($types === ['*']) {
$types = $this->model->newModelQuery()->distinct()->pluck($relation->getMorphType())->filter()->all();
}
foreach ($types as &$type) {
$type = Relation::getMorphedModel($type) ?? $type;
}
return $this->where(function ($query) use ($relation, $callback, $operator, $count, $types) {
foreach ($types as $type) {
$query->orWhere(function ($query) use ($relation, $callback, $operator, $count, $type) {
$belongsTo = $this->getBelongsToRelation($relation, $type);
if ($callback) {
$callback = function ($query) use ($callback, $type) {
return $callback($query, $type);
};
}
$query->where($this->qualifyColumn($relation->getMorphType()), '=', (new $type)->getMorphClass())
->whereHas($belongsTo, $callback, $operator, $count);
});
}
}, null, null, $boolean);
}
/**
* Get the BelongsTo relationship for a single polymorphic type.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo $relation
* @param string $type
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
protected function getBelongsToRelation(MorphTo $relation, $type)
{
$belongsTo = Relation::noConstraints(function () use ($relation, $type) {
return $this->model->belongsTo(
$type,
$relation->getForeignKeyName(),
$relation->getOwnerKeyName()
);
});
$belongsTo->getQuery()->mergeConstraintsFrom($relation->getQuery());
return $belongsTo;
}
/**
* Add a polymorphic relationship count / exists condition to the query with an "or".
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orHasMorph($relation, $types, $operator = '>=', $count = 1)
{
return $this->hasMorph($relation, $types, $operator, $count, 'or');
}
/**
* Add a polymorphic relationship count / exists condition to the query.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param string $boolean
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function doesntHaveMorph($relation, $types, $boolean = 'and', Closure $callback = null)
{
return $this->hasMorph($relation, $types, '<', 1, $boolean, $callback);
}
/**
* Add a polymorphic relationship count / exists condition to the query with an "or".
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orDoesntHaveMorph($relation, $types)
{
return $this->doesntHaveMorph($relation, $types, 'or');
}
/**
* Add a polymorphic relationship count / exists condition to the query with where clauses.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|null $callback
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereHasMorph($relation, $types, Closure $callback = null, $operator = '>=', $count = 1)
{
return $this->hasMorph($relation, $types, $operator, $count, 'and', $callback);
}
/**
* Add a polymorphic relationship count / exists condition to the query with where clauses and an "or".
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|null $callback
* @param string $operator
* @param int $count
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereHasMorph($relation, $types, Closure $callback = null, $operator = '>=', $count = 1)
{
return $this->hasMorph($relation, $types, $operator, $count, 'or', $callback);
}
/**
* Add a polymorphic relationship count / exists condition to the query with where clauses.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereDoesntHaveMorph($relation, $types, Closure $callback = null)
{
return $this->doesntHaveMorph($relation, $types, 'and', $callback);
}
/**
* Add a polymorphic relationship count / exists condition to the query with where clauses and an "or".
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereDoesntHaveMorph($relation, $types, Closure $callback = null)
{
return $this->doesntHaveMorph($relation, $types, 'or', $callback);
}
/**
* Add a basic where clause to a relationship query.
*
* @param string $relation
* @param \Closure|string|array|\Illuminate\Database\Query\Expression $column
* @param mixed $operator
* @param mixed $value
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereRelation($relation, $column, $operator = null, $value = null)
{
return $this->whereHas($relation, function ($query) use ($column, $operator, $value) {
if ($column instanceof Closure) {
$column($query);
} else {
$query->where($column, $operator, $value);
}
});
}
/**
* Add an "or where" clause to a relationship query.
*
* @param string $relation
* @param \Closure|string|array|\Illuminate\Database\Query\Expression $column
* @param mixed $operator
* @param mixed $value
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereRelation($relation, $column, $operator = null, $value = null)
{
return $this->orWhereHas($relation, function ($query) use ($column, $operator, $value) {
if ($column instanceof Closure) {
$column($query);
} else {
$query->where($column, $operator, $value);
}
});
}
/**
* Add a polymorphic relationship condition to the query with a where clause.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|string|array|\Illuminate\Database\Query\Expression $column
* @param mixed $operator
* @param mixed $value
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereMorphRelation($relation, $types, $column, $operator = null, $value = null)
{
return $this->whereHasMorph($relation, $types, function ($query) use ($column, $operator, $value) {
$query->where($column, $operator, $value);
});
}
/**
* Add a polymorphic relationship condition to the query with an "or where" clause.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param string|array $types
* @param \Closure|string|array|\Illuminate\Database\Query\Expression $column
* @param mixed $operator
* @param mixed $value
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereMorphRelation($relation, $types, $column, $operator = null, $value = null)
{
return $this->orWhereHasMorph($relation, $types, function ($query) use ($column, $operator, $value) {
$query->where($column, $operator, $value);
});
}
/**
* Add a morph-to relationship condition to the query.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param \Illuminate\Database\Eloquent\Model|string $model
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereMorphedTo($relation, $model, $boolean = 'and')
{
if (is_string($relation)) {
$relation = $this->getRelationWithoutConstraints($relation);
}
if (is_string($model)) {
$morphMap = Relation::morphMap();
if (! empty($morphMap) && in_array($model, $morphMap)) {
$model = array_search($model, $morphMap, true);
}
return $this->where($relation->getMorphType(), $model, null, $boolean);
}
return $this->where(function ($query) use ($relation, $model) {
$query->where($relation->getMorphType(), $model->getMorphClass())
->where($relation->getForeignKeyName(), $model->getKey());
}, null, null, $boolean);
}
/**
* Add a not morph-to relationship condition to the query.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param \Illuminate\Database\Eloquent\Model|string $model
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function whereNotMorphedTo($relation, $model, $boolean = 'and')
{
if (is_string($relation)) {
$relation = $this->getRelationWithoutConstraints($relation);
}
if (is_string($model)) {
$morphMap = Relation::morphMap();
if (! empty($morphMap) && in_array($model, $morphMap)) {
$model = array_search($model, $morphMap, true);
}
return $this->whereNot($relation->getMorphType(), '<=>', $model, $boolean);
}
return $this->whereNot(function ($query) use ($relation, $model) {
$query->where($relation->getMorphType(), '<=>', $model->getMorphClass())
->where($relation->getForeignKeyName(), '<=>', $model->getKey());
}, null, null, $boolean);
}
/**
* Add a morph-to relationship condition to the query with an "or where" clause.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param \Illuminate\Database\Eloquent\Model|string $model
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereMorphedTo($relation, $model)
{
return $this->whereMorphedTo($relation, $model, 'or');
}
/**
* Add a not morph-to relationship condition to the query with an "or where" clause.
*
* @param \Illuminate\Database\Eloquent\Relations\MorphTo|string $relation
* @param \Illuminate\Database\Eloquent\Model|string $model
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhereNotMorphedTo($relation, $model)
{
return $this->whereNotMorphedTo($relation, $model, 'or');
}
/**
* Add a "belongs to" relationship where clause to the query.
*
* @param \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Collection<\Illuminate\Database\Eloquent\Model> $related
* @param string|null $relationshipName
* @param string $boolean
* @return $this
*
* @throws \Illuminate\Database\Eloquent\RelationNotFoundException
*/
public function whereBelongsTo($related, $relationshipName = null, $boolean = 'and')
{
if (! $related instanceof Collection) {
$relatedCollection = $related->newCollection([$related]);
} else {
$relatedCollection = $related;
$related = $relatedCollection->first();
}
if ($relatedCollection->isEmpty()) {
throw new InvalidArgumentException('Collection given to whereBelongsTo method may not be empty.');
}
if ($relationshipName === null) {
$relationshipName = Str::camel(class_basename($related));
}
try {
$relationship = $this->model->{$relationshipName}();
} catch (BadMethodCallException $exception) {
throw RelationNotFoundException::make($this->model, $relationshipName);
}
if (! $relationship instanceof BelongsTo) {
throw RelationNotFoundException::make($this->model, $relationshipName, BelongsTo::class);
}
$this->whereIn(
$relationship->getQualifiedForeignKeyName(),
$relatedCollection->pluck($relationship->getOwnerKeyName())->toArray(),
$boolean,
);
return $this;
}
/**
* Add an "BelongsTo" relationship with an "or where" clause to the query.
*
* @param \Illuminate\Database\Eloquent\Model $related
* @param string|null $relationshipName
* @return $this
*
* @throws \RuntimeException
*/
public function orWhereBelongsTo($related, $relationshipName = null)
{
return $this->whereBelongsTo($related, $relationshipName, 'or');
}
/**
* Add subselect queries to include an aggregate value for a relationship.
*
* @param mixed $relations
* @param string $column
* @param string $function
* @return $this
*/
public function withAggregate($relations, $column, $function = null)
{
if (empty($relations)) {
return $this;
}
if (is_null($this->query->columns)) {
$this->query->select([$this->query->from.'.*']);
}
$relations = is_array($relations) ? $relations : [$relations];
foreach ($this->parseWithRelations($relations) as $name => $constraints) {
// First we will determine if the name has been aliased using an "as" clause on the name
// and if it has we will extract the actual relationship name and the desired name of
// the resulting column. This allows multiple aggregates on the same relationships.
$segments = explode(' ', $name);
unset($alias);
if (count($segments) === 3 && Str::lower($segments[1]) === 'as') {
[$name, $alias] = [$segments[0], $segments[2]];
}
$relation = $this->getRelationWithoutConstraints($name);
if ($function) {
$hashedColumn = $this->getRelationHashedColumn($column, $relation);
$wrappedColumn = $this->getQuery()->getGrammar()->wrap(
$column === '*' ? $column : $relation->getRelated()->qualifyColumn($hashedColumn)
);
$expression = $function === 'exists' ? $wrappedColumn : sprintf('%s(%s)', $function, $wrappedColumn);
} else {
$expression = $column;
}
// Here, we will grab the relationship sub-query and prepare to add it to the main query
// as a sub-select. First, we'll get the "has" query and use that to get the relation
// sub-query. We'll format this relationship name and append this column if needed.
$query = $relation->getRelationExistenceQuery(
$relation->getRelated()->newQuery(), $this, new Expression($expression)
)->setBindings([], 'select');
$query->callScope($constraints);
$query = $query->mergeConstraintsFrom($relation->getQuery())->toBase();
// If the query contains certain elements like orderings / more than one column selected
// then we will remove those elements from the query so that it will execute properly
// when given to the database. Otherwise, we may receive SQL errors or poor syntax.
$query->orders = null;
$query->setBindings([], 'order');
if (count($query->columns) > 1) {
$query->columns = [$query->columns[0]];
$query->bindings['select'] = [];
}
// Finally, we will make the proper column alias to the query and run this sub-select on
// the query builder. Then, we will return the builder instance back to the developer
// for further constraint chaining that needs to take place on the query as needed.
$alias ??= Str::snake(
preg_replace('/[^[:alnum:][:space:]_]/u', '', "$name $function $column")
);
if ($function === 'exists') {
$this->selectRaw(
sprintf('exists(%s) as %s', $query->toSql(), $this->getQuery()->grammar->wrap($alias)),
$query->getBindings()
)->withCasts([$alias => 'bool']);
} else {
$this->selectSub(
$function ? $query : $query->limit(1),
$alias
);
}
}
return $this;
}
/**
* Get the relation hashed column name for the given column and relation.
*
* @param string $column
* @param \Illuminate\Database\Eloquent\Relations\Relationship $relation
* @return string
*/
protected function getRelationHashedColumn($column, $relation)
{
if (str_contains($column, '.')) {
return $column;
}
return $this->getQuery()->from === $relation->getQuery()->getQuery()->from
? "{$relation->getRelationCountHash(false)}.$column"
: $column;
}
/**
* Add subselect queries to count the relations.
*
* @param mixed $relations
* @return $this
*/
public function withCount($relations)
{
return $this->withAggregate(is_array($relations) ? $relations : func_get_args(), '*', 'count');
}
/**
* Add subselect queries to include the max of the relation's column.
*
* @param string|array $relation
* @param string $column
* @return $this
*/
public function withMax($relation, $column)
{
return $this->withAggregate($relation, $column, 'max');
}
/**
* Add subselect queries to include the min of the relation's column.
*
* @param string|array $relation
* @param string $column
* @return $this
*/
public function withMin($relation, $column)
{
return $this->withAggregate($relation, $column, 'min');
}
/**
* Add subselect queries to include the sum of the relation's column.
*
* @param string|array $relation
* @param string $column
* @return $this
*/
public function withSum($relation, $column)
{
return $this->withAggregate($relation, $column, 'sum');
}
/**
* Add subselect queries to include the average of the relation's column.
*
* @param string|array $relation
* @param string $column
* @return $this
*/
public function withAvg($relation, $column)
{
return $this->withAggregate($relation, $column, 'avg');
}
/**
* Add subselect queries to include the existence of related models.
*
* @param string|array $relation
* @return $this
*/
public function withExists($relation)
{
return $this->withAggregate($relation, '*', 'exists');
}
/**
* Add the "has" condition where clause to the query.
*
* @param \Illuminate\Database\Eloquent\Builder $hasQuery
* @param \Illuminate\Database\Eloquent\Relations\Relation $relation
* @param string $operator
* @param int $count
* @param string $boolean
* @return \Illuminate\Database\Eloquent\Builder|static
*/
protected function addHasWhere(Builder $hasQuery, Relation $relation, $operator, $count, $boolean)
{
$hasQuery->mergeConstraintsFrom($relation->getQuery());
return $this->canUseExistsForExistenceCheck($operator, $count)
? $this->addWhereExistsQuery($hasQuery->toBase(), $boolean, $operator === '<' && $count === 1)
: $this->addWhereCountQuery($hasQuery->toBase(), $operator, $count, $boolean);
}
/**
* Merge the where constraints from another query to the current query.
*
* @param \Illuminate\Database\Eloquent\Builder $from
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function mergeConstraintsFrom(Builder $from)
{
$whereBindings = $from->getQuery()->getRawBindings()['where'] ?? [];
$wheres = $from->getQuery()->from !== $this->getQuery()->from
? $this->requalifyWhereTables(
$from->getQuery()->wheres,
$from->getQuery()->from,
$this->getModel()->getTable()
) : $from->getQuery()->wheres;
// Here we have some other query that we want to merge the where constraints from. We will
// copy over any where constraints on the query as well as remove any global scopes the
// query might have removed. Then we will return ourselves with the finished merging.
return $this->withoutGlobalScopes(
$from->removedScopes()
)->mergeWheres(
$wheres, $whereBindings
);
}
/**
* Updates the table name for any columns with a new qualified name.
*
* @param array $wheres
* @param string $from
* @param string $to
* @return array
*/
protected function requalifyWhereTables(array $wheres, string $from, string $to): array
{
return collect($wheres)->map(function ($where) use ($from, $to) {
return collect($where)->map(function ($value) use ($from, $to) {
return is_string($value) && str_starts_with($value, $from.'.')
? $to.'.'.Str::afterLast($value, '.')
: $value;
});
})->toArray();
}
/**
* Add a sub-query count clause to this query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param string $operator
* @param int $count
* @param string $boolean
* @return $this
*/
protected function addWhereCountQuery(QueryBuilder $query, $operator = '>=', $count = 1, $boolean = 'and')
{
$this->query->addBinding($query->getBindings(), 'where');
return $this->where(
new Expression('('.$query->toSql().')'),
$operator,
is_numeric($count) ? new Expression($count) : $count,
$boolean
);
}
/**
* Get the "has relation" base query instance.
*
* @param string $relation
* @return \Illuminate\Database\Eloquent\Relations\Relation
*/
protected function getRelationWithoutConstraints($relation)
{
return Relation::noConstraints(function () use ($relation) {
return $this->getModel()->{$relation}();
});
}
/**
* Check if we can run an "exists" query to optimize performance.
*
* @param string $operator
* @param int $count
* @return bool
*/
protected function canUseExistsForExistenceCheck($operator, $count)
{
return ($operator === '>=' || $operator === '<') && $count === 1;
}
}
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