Class yii\db\pgsql\ColumnSchema
Inheritance | yii\db\pgsql\ColumnSchema » yii\db\ColumnSchema » yii\base\BaseObject |
---|---|
Implements | yii\base\Configurable |
Source Code | https://github.com/yiisoft/yii2/blob/master/framework/db/pgsql/ColumnSchema.php |
Class ColumnSchema for PostgreSQL database.
Public Properties
Property | Type | Description | Defined By |
---|---|---|---|
$allowNull | boolean | Whether this column can be null. | yii\db\ColumnSchema |
$autoIncrement | boolean | Whether this column is auto-incremental | yii\db\ColumnSchema |
$comment | string | Comment of this column. | yii\db\ColumnSchema |
$dbType | string | The DB type of this column. | yii\db\ColumnSchema |
$defaultValue | mixed | Default value of this column | yii\db\ColumnSchema |
$deserializeArrayColumnToArrayExpression | boolean | Whether the Array column value should be unserialized to an yii\db\ArrayExpression object. | yii\db\pgsql\ColumnSchema |
$dimension | integer | The dimension of array. | yii\db\pgsql\ColumnSchema |
$disableArraySupport | boolean | Whether the column schema should OMIT using PgSQL Arrays support feature. | yii\db\pgsql\ColumnSchema |
$disableJsonSupport | boolean | Whether the column schema should OMIT using JSON support feature. | yii\db\pgsql\ColumnSchema |
$enumValues | array | Enumerable values. | yii\db\ColumnSchema |
$isPrimaryKey | boolean | Whether this column is a primary key | yii\db\ColumnSchema |
$name | string | Name of this column (without quotes). | yii\db\ColumnSchema |
$phpType | string | The PHP type of this column. | yii\db\ColumnSchema |
$precision | integer | Precision of the column data, if it is numeric. | yii\db\ColumnSchema |
$scale | integer | Scale of the column data, if it is numeric. | yii\db\ColumnSchema |
$sequenceName | string | Name of associated sequence if column is auto-incremental | yii\db\pgsql\ColumnSchema |
$size | integer | Display size of the column. | yii\db\ColumnSchema |
$type | string | Abstract type of this column. | yii\db\ColumnSchema |
$unsigned | boolean | Whether this column is unsigned. | yii\db\ColumnSchema |
Public Methods
Method | Description | Defined By |
---|---|---|
__call() | Calls the named method which is not a class method. | yii\base\BaseObject |
__construct() | Constructor. | yii\base\BaseObject |
__get() | Returns the value of an object property. | yii\base\BaseObject |
__isset() | Checks if a property is set, i.e. defined and not null. | yii\base\BaseObject |
__set() | Sets value of an object property. | yii\base\BaseObject |
__unset() | Sets an object property to null. | yii\base\BaseObject |
canGetProperty() | Returns a value indicating whether a property can be read. | yii\base\BaseObject |
canSetProperty() | Returns a value indicating whether a property can be set. | yii\base\BaseObject |
className() | Returns the fully qualified name of this class. | yii\base\BaseObject |
dbTypecast() | Converts the input value according to $type and $dbType for use in a db query. | yii\db\pgsql\ColumnSchema |
hasMethod() | Returns a value indicating whether a method is defined. | yii\base\BaseObject |
hasProperty() | Returns a value indicating whether a property is defined. | yii\base\BaseObject |
init() | Initializes the object. | yii\base\BaseObject |
phpTypecast() | Converts the input value according to $phpType after retrieval from the database. | yii\db\pgsql\ColumnSchema |
Protected Methods
Method | Description | Defined By |
---|---|---|
getArrayParser() | Creates instance of ArrayParser | yii\db\pgsql\ColumnSchema |
phpTypecastValue() | Casts $value after retrieving from the DBMS to PHP representation. | yii\db\pgsql\ColumnSchema |
typecast() | Converts the input value according to $phpType after retrieval from the database. | yii\db\ColumnSchema |
Property Details
Whether the Array column value should be unserialized to an yii\db\ArrayExpression object.
You can use this property to make upgrade to Yii 2.0.14 easier.
Default to true
, meaning arrays are unserialized to yii\db\ArrayExpression objects.
The dimension of array. Defaults to 0, means this column is not an array.
Whether the column schema should OMIT using PgSQL Arrays support feature.
You can use this property to make upgrade to Yii 2.0.14 easier.
Default to false
, meaning Arrays support is enabled.
Whether the column schema should OMIT using JSON support feature.
You can use this property to make upgrade to Yii 2.0.14 easier.
Default to false
, meaning JSON support is enabled.
Name of associated sequence if column is auto-incremental
Method Details
Defined in: yii\base\BaseObject::__call()
Calls the named method which is not a class method.
Do not call this method directly as it is a PHP magic method that will be implicitly called when an unknown method is being invoked.
public mixed __call ( $name, $params ) | ||
$name | string |
The method name |
$params | array |
Method parameters |
return | mixed |
The method return value |
---|---|---|
throws | yii\base\UnknownMethodException |
when calling unknown method |
public function __call($name, $params)
{
throw new UnknownMethodException('Calling unknown method: ' . get_class($this) . "::$name()");
}
Defined in: yii\base\BaseObject::__construct()
Constructor.
The default implementation does two things:
- Initializes the object with the given configuration
$config
. - Call init().
If this method is overridden in a child class, it is recommended that
- the last parameter of the constructor is a configuration array, like
$config
here. - call the parent implementation at the end of the constructor.
public void __construct ( $config = [] ) | ||
$config | array |
Name-value pairs that will be used to initialize the object properties |
public function __construct($config = [])
{
if (!empty($config)) {
Yii::configure($this, $config);
}
$this->init();
}
Defined in: yii\base\BaseObject::__get()
Returns the value of an object property.
Do not call this method directly as it is a PHP magic method that
will be implicitly called when executing $value = $object->property;
.
See also __set().
public mixed __get ( $name ) | ||
$name | string |
The property name |
return | mixed |
The property value |
---|---|---|
throws | yii\base\UnknownPropertyException |
if the property is not defined |
throws | yii\base\InvalidCallException |
if the property is write-only |
public function __get($name)
{
$getter = 'get' . $name;
if (method_exists($this, $getter)) {
return $this->$getter();
} elseif (method_exists($this, 'set' . $name)) {
throw new InvalidCallException('Getting write-only property: ' . get_class($this) . '::' . $name);
}
throw new UnknownPropertyException('Getting unknown property: ' . get_class($this) . '::' . $name);
}
Defined in: yii\base\BaseObject::__isset()
Checks if a property is set, i.e. defined and not null.
Do not call this method directly as it is a PHP magic method that
will be implicitly called when executing isset($object->property)
.
Note that if the property is not defined, false will be returned.
public boolean __isset ( $name ) | ||
$name | string |
The property name or the event name |
return | boolean |
Whether the named property is set (not null). |
---|
public function __isset($name)
{
$getter = 'get' . $name;
if (method_exists($this, $getter)) {
return $this->$getter() !== null;
}
return false;
}
Defined in: yii\base\BaseObject::__set()
Sets value of an object property.
Do not call this method directly as it is a PHP magic method that
will be implicitly called when executing $object->property = $value;
.
See also __get().
public void __set ( $name, $value ) | ||
$name | string |
The property name or the event name |
$value | mixed |
The property value |
throws | yii\base\UnknownPropertyException |
if the property is not defined |
---|---|---|
throws | yii\base\InvalidCallException |
if the property is read-only |
public function __set($name, $value)
{
$setter = 'set' . $name;
if (method_exists($this, $setter)) {
$this->$setter($value);
} elseif (method_exists($this, 'get' . $name)) {
throw new InvalidCallException('Setting read-only property: ' . get_class($this) . '::' . $name);
} else {
throw new UnknownPropertyException('Setting unknown property: ' . get_class($this) . '::' . $name);
}
}
Defined in: yii\base\BaseObject::__unset()
Sets an object property to null.
Do not call this method directly as it is a PHP magic method that
will be implicitly called when executing unset($object->property)
.
Note that if the property is not defined, this method will do nothing. If the property is read-only, it will throw an exception.
public void __unset ( $name ) | ||
$name | string |
The property name |
throws | yii\base\InvalidCallException |
if the property is read only. |
---|
public function __unset($name)
{
$setter = 'set' . $name;
if (method_exists($this, $setter)) {
$this->$setter(null);
} elseif (method_exists($this, 'get' . $name)) {
throw new InvalidCallException('Unsetting read-only property: ' . get_class($this) . '::' . $name);
}
}
Defined in: yii\base\BaseObject::canGetProperty()
Returns a value indicating whether a property can be read.
A property is readable if:
- the class has a getter method associated with the specified name (in this case, property name is case-insensitive);
- the class has a member variable with the specified name (when
$checkVars
is true);
See also canSetProperty().
public boolean canGetProperty ( $name, $checkVars = true ) | ||
$name | string |
The property name |
$checkVars | boolean |
Whether to treat member variables as properties |
return | boolean |
Whether the property can be read |
---|
public function canGetProperty($name, $checkVars = true)
{
return method_exists($this, 'get' . $name) || $checkVars && property_exists($this, $name);
}
Defined in: yii\base\BaseObject::canSetProperty()
Returns a value indicating whether a property can be set.
A property is writable if:
- the class has a setter method associated with the specified name (in this case, property name is case-insensitive);
- the class has a member variable with the specified name (when
$checkVars
is true);
See also canGetProperty().
public boolean canSetProperty ( $name, $checkVars = true ) | ||
$name | string |
The property name |
$checkVars | boolean |
Whether to treat member variables as properties |
return | boolean |
Whether the property can be written |
---|
public function canSetProperty($name, $checkVars = true)
{
return method_exists($this, 'set' . $name) || $checkVars && property_exists($this, $name);
}
::class
instead.
Defined in: yii\base\BaseObject::className()
Returns the fully qualified name of this class.
public static string className ( ) | ||
return | string |
The fully qualified name of this class. |
---|
public static function className()
{
return get_called_class();
}
Converts the input value according to $type and $dbType for use in a db query.
If the value is null or an yii\db\Expression, it will not be converted.
public mixed dbTypecast ( $value ) | ||
$value | mixed |
Input value |
return | mixed |
Converted value. This may also be an array containing the value as the first element and the PDO type as the second element. |
---|
public function dbTypecast($value)
{
if ($value === null) {
return $value;
}
if ($value instanceof ExpressionInterface) {
return $value;
}
if ($this->dimension > 0) {
return $this->disableArraySupport
? (string) $value
: new ArrayExpression($value, $this->dbType, $this->dimension);
}
if (!$this->disableJsonSupport && in_array($this->dbType, [Schema::TYPE_JSON, Schema::TYPE_JSONB], true)) {
return new JsonExpression($value, $this->dbType);
}
return $this->typecast($value);
}
Creates instance of ArrayParser
protected yii\db\pgsql\ArrayParser getArrayParser ( ) |
protected function getArrayParser()
{
static $parser = null;
if ($parser === null) {
$parser = new ArrayParser();
}
return $parser;
}
Defined in: yii\base\BaseObject::hasMethod()
Returns a value indicating whether a method is defined.
The default implementation is a call to php function method_exists()
.
You may override this method when you implemented the php magic method __call()
.
public boolean hasMethod ( $name ) | ||
$name | string |
The method name |
return | boolean |
Whether the method is defined |
---|
public function hasMethod($name)
{
return method_exists($this, $name);
}
Defined in: yii\base\BaseObject::hasProperty()
Returns a value indicating whether a property is defined.
A property is defined if:
- the class has a getter or setter method associated with the specified name (in this case, property name is case-insensitive);
- the class has a member variable with the specified name (when
$checkVars
is true);
See also:
public boolean hasProperty ( $name, $checkVars = true ) | ||
$name | string |
The property name |
$checkVars | boolean |
Whether to treat member variables as properties |
return | boolean |
Whether the property is defined |
---|
public function hasProperty($name, $checkVars = true)
{
return $this->canGetProperty($name, $checkVars) || $this->canSetProperty($name, false);
}
Defined in: yii\base\BaseObject::init()
Initializes the object.
This method is invoked at the end of the constructor after the object is initialized with the given configuration.
public void init ( ) |
public function init()
{
}
Converts the input value according to $phpType after retrieval from the database.
If the value is null or an yii\db\Expression, it will not be converted.
public mixed phpTypecast ( $value ) | ||
$value | mixed |
Input value |
return | mixed |
Converted value |
---|
public function phpTypecast($value)
{
if ($this->dimension > 0) {
if ($this->disableArraySupport) {
return $value;
}
if (!is_array($value)) {
$value = $this->getArrayParser()->parse($value);
}
if (is_array($value)) {
array_walk_recursive($value, function (&$val, $key) {
$val = $this->phpTypecastValue($val);
});
} elseif ($value === null) {
return null;
}
return $this->deserializeArrayColumnToArrayExpression
? new ArrayExpression($value, $this->dbType, $this->dimension)
: $value;
}
return $this->phpTypecastValue($value);
}
Casts $value after retrieving from the DBMS to PHP representation.
protected boolean|mixed|null phpTypecastValue ( $value ) | ||
$value | string|null |
protected function phpTypecastValue($value)
{
if ($value === null) {
return null;
}
switch ($this->type) {
case Schema::TYPE_BOOLEAN:
switch (strtolower($value)) {
case 't':
case 'true':
return true;
case 'f':
case 'false':
return false;
}
return (bool) $value;
case Schema::TYPE_JSON:
return $this->disableJsonSupport ? $value : json_decode($value, true);
}
return parent::phpTypecast($value);
}
Defined in: yii\db\ColumnSchema::typecast()
Converts the input value according to $phpType after retrieval from the database.
If the value is null or an yii\db\Expression, it will not be converted.
protected mixed typecast ( $value ) | ||
$value | mixed |
Input value |
return | mixed |
Converted value |
---|
protected function typecast($value)
{
if ($value === ''
&& !in_array(
$this->type,
[
Schema::TYPE_TEXT,
Schema::TYPE_STRING,
Schema::TYPE_BINARY,
Schema::TYPE_CHAR
],
true)
) {
return null;
}
if ($value === null
|| gettype($value) === $this->phpType
|| $value instanceof ExpressionInterface
|| $value instanceof Query
) {
return $value;
}
if (is_array($value)
&& count($value) === 2
&& isset($value[1])
&& in_array($value[1], $this->getPdoParamTypes(), true)
) {
return new PdoValue($value[0], $value[1]);
}
switch ($this->phpType) {
case 'resource':
case 'string':
if (is_resource($value)) {
return $value;
}
if (is_float($value)) {
// ensure type cast always has . as decimal separator in all locales
return StringHelper::floatToString($value);
}
if (is_numeric($value)
&& ColumnSchemaBuilder::CATEGORY_NUMERIC === ColumnSchemaBuilder::$typeCategoryMap[$this->type]
) {
// https://github.com/yiisoft/yii2/issues/14663
return $value;
}
if (PHP_VERSION_ID >= 80100 && is_object($value) && $value instanceof \BackedEnum) {
return (string) $value->value;
}
return (string) $value;
case 'integer':
if (PHP_VERSION_ID >= 80100 && is_object($value) && $value instanceof \BackedEnum) {
return (int) $value->value;
}
return (int) $value;
case 'boolean':
// treating a 0 bit value as false too
// https://github.com/yiisoft/yii2/issues/9006
return (bool) $value && $value !== "\0";
case 'double':
return (float) $value;
}
return $value;
}