Abstract class Phalcon\Mvc\Model\MetaData
implements Phalcon\Di\InjectionAwareInterface
Because Phalcon\Mvc\Model requires meta-data like field names, data types, primary keys, etc. this component collect them and store for further querying by Phalcon\Mvc\Model. Phalcon\Mvc\Model\MetaData can also use adapters to store temporarily or permanently the meta-data. A standard Phalcon\Mvc\Model\MetaData can be used to query model attributes:
<?php
$metaData = new \Phalcon\Mvc\Model\MetaData\Memory();
$attributes = $metaData->getAttributes(new Robots());
print_r($attributes);
Constants
integer MODELS_ATTRIBUTES
integer MODELS_PRIMARY_KEY
integer MODELS_NON_PRIMARY_KEY
integer MODELS_NOT_NULL
integer MODELS_DATA_TYPES
integer MODELS_DATA_TYPES_NUMERIC
integer MODELS_DATE_AT
integer MODELS_DATE_IN
integer MODELS_IDENTITY_COLUMN
integer MODELS_DATA_TYPES_BIND
integer MODELS_AUTOMATIC_DEFAULT_INSERT
integer MODELS_AUTOMATIC_DEFAULT_UPDATE
integer MODELS_DEFAULT_VALUES
integer MODELS_COLUMN_MAP
integer MODELS_REVERSE_COLUMN_MAP
Methods
final protected _initialize (unknown $model, unknown $key, unknown $table, unknown $schema)
Initialize the metadata for certain table
public setDI (unknown $dependencyInjector)
Sets the DependencyInjector container
public Phalcon\DiInterface getDI ()
Returns the DependencyInjector container
public setStrategy (unknown $strategy)
Set the meta-data extraction strategy
public Phalcon\Mvc\Model\MetaData\StrategyInterface getStrategy ()
Return the strategy to obtain the meta-data
final public array readMetaData (unknown $model)
Reads the complete meta-data for certain model
<?php
print_r($metaData->readMetaData(new Robots());
final public mixed readMetaDataIndex (unknown $model, unknown $index)
Reads meta-data for certain model using a MODEL_* constant
<?php
print_r($metaData->writeColumnMapIndex(new Robots(), MetaData::MODELS_REVERSE_COLUMN_MAP, array('leName' => 'name')));
final public writeMetaDataIndex (unknown $model, unknown $index, unknown $data)
Writes meta-data for certain model using a MODEL_* constant
<?php
print_r($metaData->writeColumnMapIndex(new Robots(), MetaData::MODELS_REVERSE_COLUMN_MAP, array('leName' => 'name')));
final public array readColumnMap (unknown $model)
Reads the ordered/reversed column map for certain model
<?php
print_r($metaData->readColumnMap(new Robots()));
final public readColumnMapIndex (unknown $model, unknown $index)
Reads column-map information for certain model using a MODEL_* constant
<?php
print_r($metaData->readColumnMapIndex(new Robots(), MetaData::MODELS_REVERSE_COLUMN_MAP));
public array getAttributes (Phalcon\Mvc\ModelInterface $model)
Returns table attributes names (fields)
<?php
print_r($metaData->getAttributes(new Robots()));
public array getPrimaryKeyAttributes (unknown $model)
Returns an array of fields which are part of the primary key
<?php
print_r($metaData->getPrimaryKeyAttributes(new Robots()));
public array getNonPrimaryKeyAttributes (unknown $model)
Returns an array of fields which are not part of the primary key
<?php
print_r($metaData->getNonPrimaryKeyAttributes(new Robots()));
public array getNotNullAttributes (unknown $model)
Returns an array of not null attributes
<?php
print_r($metaData->getNotNullAttributes(new Robots()));
public array getDataTypes (unknown $model)
Returns attributes and their data types
<?php
print_r($metaData->getDataTypes(new Robots()));
public array getDataTypesNumeric (unknown $model)
Returns attributes which types are numerical
<?php
print_r($metaData->getDataTypesNumeric(new Robots()));
public string getIdentityField (unknown $model)
Returns the name of identity field (if one is present)
<?php
print_r($metaData->getIdentityField(new Robots()));
public array getBindTypes (unknown $model)
Returns attributes and their bind data types
<?php
print_r($metaData->getBindTypes(new Robots()));
public array getAutomaticCreateAttributes (unknown $model)
Returns attributes that must be ignored from the INSERT SQL generation
<?php
print_r($metaData->getAutomaticCreateAttributes(new Robots()));
public array getAutomaticUpdateAttributes (unknown $model)
Returns attributes that must be ignored from the UPDATE SQL generation
<?php
print_r($metaData->getAutomaticUpdateAttributes(new Robots()));
public setAutomaticCreateAttributes (unknown $model, unknown $attributes)
Set the attributes that must be ignored from the INSERT SQL generation
<?php
$metaData->setAutomaticCreateAttributes(new Robots(), array('created_at' => true));
public setAutomaticUpdateAttributes (unknown $model, unknown $attributes)
Set the attributes that must be ignored from the UPDATE SQL generation
<?php
$metaData->setAutomaticUpdateAttributes(new Robots(), array('modified_at' => true));
public array getDefaultValues (unknown $model)
Returns attributes (which have default values) and their default values
<?php
print_r($metaData->getDefaultValues(new Robots()));
public array getColumnMap (unknown $model)
Returns the column map if any
<?php
print_r($metaData->getColumnMap(new Robots()));
public array getReverseColumnMap (unknown $model)
Returns the reverse column map if any
<?php
print_r($metaData->getReverseColumnMap(new Robots()));
public boolean hasAttribute (unknown $model, unknown $attribute)
Check if a model has certain attribute
<?php
var_dump($metaData->hasAttribute(new Robots(), 'name'));
public boolean isEmpty ()
Checks if the internal meta-data container is empty
<?php
var_dump($metaData->isEmpty());
public reset ()
Resets internal meta-data in order to regenerate it
<?php
$metaData->reset();