Class ResultSet

Represents the results obtained after executing a query for a specific table This object is responsible for correctly nesting result keys reported from the query, casting each field to the correct type and executing the extra queries required for eager loading external associations.

Cake\ORM\ResultSet implements Cake\Datasource\ResultSetInterface uses Cake\Collection\CollectionTrait
Namespace: Cake\ORM
Location: ORM/ResultSet.php

Properties summary

  • $_autoFields protected
    boolean
    Tracks value of $_autoFields property of $query passed to constructor.
  • $_containMap protected
    array
    List of associations that should be eager loaded.
  • $_count protected
    integer
    Holds the count of records in this result set
  • $_current protected
    array
    Last record fetched from the statement
  • $_defaultAlias protected
    string
    The default table alias
  • $_defaultTable protected
    Cake\ORM\Table
    Default table instance
  • $_driver protected
    Cake\Database\Driver
    The Database driver object.
  • $_entityClass protected
    string
    The fully namespaced name of the class to use for hydrating results
  • $_hydrate protected
    boolean
    Whether to hydrate results into objects or not
  • $_index protected
    integer
    Points to the next record number that should be fetched
  • $_map protected
    array

    Map of fields that are fetched from the statement with their type and the table they belong to

  • $_matchingMap protected
    array

    List of associations that should be placed under the _matchingData result key.

  • $_matchingMapColumns protected
    array

    List of matching associations and the column keys to expect from each of them.

  • $_query protected
    Cake\ORM\Query
    Original query from where results were generated
  • $_results protected
    array|ArrayAccess
    Results that have been fetched or hydrated into the results.
  • $_statement protected
    Cake\Database\StatementInterface
    Database statement holding the results
  • $_types protected
    array
    Type cache for type converters.
  • $_useBuffering protected
    boolean
    Whether or not to buffer results fetched from the statement

Method Summary

  • __construct() public
    Constructor
  • __debugInfo() public

    Returns an array that can be used to describe the internal state of this object.

  • Calculates the list of associations that should get eager loaded when fetching each record

  • Creates a map of row keys out of the query select clause that can be used to hydrate nested result sets more quickly.

  • Creates a map of Type converter classes for each of the columns that should be fetched by this object.

  • _castValues() protected

    Casts all values from a row brought from a table to the correct PHP type.

  • _fetchResult() protected

    Helper function to fetch the next result from the statement or seeded results.

  • _getTypes() protected

    Returns the Type classes for each of the passed fields belonging to the table.

  • _groupResult() protected
    Correctly nests results keys including those coming from associations
  • count() public
    Gives the number of rows in the result set.
  • current() public
    Returns the current record in the result iterator
  • first() public
    Get the first record from a result set.
  • key() public
    Returns the key of the current record in the iterator
  • next() public
    Advances the iterator pointer to the next record
  • rewind() public
    Rewinds a ResultSet.
  • serialize() public
    Serializes a resultset.
  • unserialize() public
    Unserializes a resultset.
  • valid() public
    Whether there are more results to be fetched from the iterator

Method Detail

__construct()source public 

__construct( Cake\ORM\Query $query , Cake\Database\StatementInterface $statement )

Constructor

Parameters

Cake\ORM\Query $query
Query from where results come
Cake\Database\StatementInterface $statement
The statement to fetch from

__debugInfo()source public 

__debugInfo( )

Returns an array that can be used to describe the internal state of this object.

Returns

array

_calculateAssociationMap()source protected 

_calculateAssociationMap( Cake\ORM\Query $query )

Calculates the list of associations that should get eager loaded when fetching each record

Parameters

Cake\ORM\Query $query
The query from where to derive the associations

_calculateColumnMap()source protected 

_calculateColumnMap( Cake\ORM\Query $query )

Creates a map of row keys out of the query select clause that can be used to hydrate nested result sets more quickly.

Parameters

Cake\ORM\Query $query
The query from where to derive the column map

_calculateTypeMap()source protected 

_calculateTypeMap( )

Creates a map of Type converter classes for each of the columns that should be fetched by this object.

Deprecated

3.2.0 Not used anymore. Type casting is done at the statement level

_castValues()source protected 

_castValues( string $alias , array $values )

Casts all values from a row brought from a table to the correct PHP type.

Deprecated

3.2.0 Not used anymore. Type casting is done at the statement level

Parameters

string $alias
The table object alias
array $values
The values to cast

Returns

array

_fetchResult()source protected 

_fetchResult( )

Helper function to fetch the next result from the statement or seeded results.

Returns

mixed

_getTypes()source protected 

_getTypes( Cake\ORM\Table $table , array $fields )

Returns the Type classes for each of the passed fields belonging to the table.

Parameters

Cake\ORM\Table $table
The table from which to get the schema
array $fields
The fields whitelist to use for fields in the schema.

Returns

array

_groupResult()source protected 

_groupResult( mixed $row )

Correctly nests results keys including those coming from associations

Parameters

mixed $row
Array containing columns and values or false if there is no results

Returns

array
Results

count()source public 

count( )

Gives the number of rows in the result set.

Part of the Countable interface.

Returns

integer

Implementation of

Countable::count()

current()source public 

current( )

Returns the current record in the result iterator

Part of Iterator interface.

Returns

array|object

Implementation of

Iterator::current()

first()source public 

first( )

Get the first record from a result set.

This method will also close the underlying statement cursor.

Returns

array|object

Implementation of

Cake\Collection\CollectionInterface::first()

key()source public 

key( )

Returns the key of the current record in the iterator

Part of Iterator interface.

Returns

integer

Implementation of

Iterator::key()

next()source public 

next( )

Advances the iterator pointer to the next record

Part of Iterator interface.

Implementation of

Iterator::next()

rewind()source public 

rewind( )

Rewinds a ResultSet.

Part of Iterator interface.

Throws

Cake\Database\Exception

Implementation of

Iterator::rewind()

serialize()source public 

serialize( )

Serializes a resultset.

Part of Serializable interface.

Returns

string
Serialized object

Implementation of

Serializable::serialize()

unserialize()source public 

unserialize( string $serialized )

Unserializes a resultset.

Part of Serializable interface.

Parameters

string $serialized
Serialized object

Implementation of

Serializable::unserialize()

valid()source public 

valid( )

Whether there are more results to be fetched from the iterator

Part of Iterator interface.

Returns

boolean

Implementation of

Iterator::valid()

Methods used from Cake\Collection\CollectionTrait

_unwrap()source public 

_unwrap( )

append()source public 

append( $items )

avg()source public 

avg( $matcher null )

buffered()source public 

buffered( )

Returns

Cake\Collection\Iterator\BufferedIterator

cartesianProduct()source public 

cartesianProduct( callable $operation null , callable $filter null )

Returns

Cake\Collection\CollectionInterface

chunk()source public 

chunk( $chunkSize )

chunkWithKeys()source public 

chunkWithKeys( $chunkSize , $preserveKeys true )

combine()source public 

combine( $keyPath , $valuePath , $groupPath null )

compile()source public 

compile( $preserveKeys true )

contains()source public 

contains( $value )

countBy()source public 

countBy( $callback )

each()source public 

each( callable $c )

every()source public 

every( callable $c )

extract()source public 

extract( $matcher )

filter()source public 

filter( callable $c null )

Returns

Cake\Collection\Iterator\FilterIterator

firstMatch()source public 

firstMatch( array $conditions )

groupBy()source public 

groupBy( $callback )

indexBy()source public 

indexBy( $callback )

insert()source public 

insert( $path , $values )

Returns

Cake\Collection\Iterator\InsertIterator

isEmpty()source public 

isEmpty( )

jsonSerialize()source public 

jsonSerialize( )

last()source public 

last( )

listNested()source public 

listNested( $dir 'desc' , $nestingKey 'children' )

Returns

Cake\Collection\Iterator\TreeIterator

map()source public 

map( callable $c )

Returns

Cake\Collection\Iterator\ReplaceIterator

match()source public 

match( array $conditions )

max()source public 

max( $callback , $type SORT_NUMERIC )

median()source public 

median( $matcher null )

min()source public 

min( $callback , $type SORT_NUMERIC )

nest()source public 

nest( $idPath , $parentPath , $nestingKey 'children' )

optimizeUnwrap()source protected 

optimizeUnwrap( )

Unwraps this iterator and returns the simplest traversable that can be used for getting the data out

Returns

Traversable|array

reduce()source public 

reduce( callable $c , $zero null )

reject()source public 

reject( callable $c )

Returns

Cake\Collection\Iterator\FilterIterator

sample()source public 

sample( $size 10 )

shuffle()source public 

shuffle( )

skip()source public 

skip( $howMany )

some()source public 

some( callable $c )

sortBy()source public 

sortBy( $callback , $dir SORT_DESC , $type SORT_NUMERIC )

stopWhen()source public 

stopWhen( $condition )

Returns

Cake\Collection\Iterator\StoppableIterator

sumOf()source public 

sumOf( $matcher null )

take()source public 

take( $size 1 , $from 0 )

through()source public 

through( callable $handler )

toArray()source public 

toArray( $preserveKeys true )

toList()source public 

toList( )

transpose()source public 

transpose( )

Returns

Cake\Collection\CollectionInterface

unfold()source public 

unfold( callable $transformer null )

unwrap()source public 

unwrap( )

zip()source public 

zip( $items )

zipWith()source public 

zipWith( $items , $callable )

Properties detail

$_autoFieldssource

protected boolean

Tracks value of $_autoFields property of $query passed to constructor.

$_containMapsource

protected array

List of associations that should be eager loaded.

[]

$_countsource

protected integer

Holds the count of records in this result set

$_currentsource

protected array

Last record fetched from the statement

$_defaultAliassource

protected string

The default table alias

$_defaultTablesource

protected Cake\ORM\Table

Default table instance

$_driversource

protected Cake\Database\Driver

The Database driver object.

Cached in a property to avoid multiple calls to the same function.

$_entityClasssource

protected string

The fully namespaced name of the class to use for hydrating results

$_hydratesource

protected boolean

Whether to hydrate results into objects or not

true

$_indexsource

protected integer

Points to the next record number that should be fetched

$_mapsource

protected array

Map of fields that are fetched from the statement with their type and the table they belong to

[]

$_matchingMapsource

protected array

List of associations that should be placed under the _matchingData result key.

[]

$_matchingMapColumnssource

protected array

List of matching associations and the column keys to expect from each of them.

[]

$_querysource

protected Cake\ORM\Query

Original query from where results were generated

Deprecated

3.1.6 Due to a memory leak, this property cannot be used anymore

$_resultssource

protected array|ArrayAccess

Results that have been fetched or hydrated into the results.

[]

$_statementsource

protected Cake\Database\StatementInterface

Database statement holding the results

$_typessource

protected array

Type cache for type converters.

Converters are indexed by alias and column name.

[]

$_useBufferingsource

protected boolean

Whether or not to buffer results fetched from the statement

true

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https://api.cakephp.org/3.4/class-Cake.ORM.ResultSet.html