类 yii\db\mssql\ColumnSchema

                public function __call($name, $params)
{
    throw new UnknownMethodException('Calling unknown method: ' . get_class($this) . "::$name()");
}

            

                public function __construct($config = [])
{
    if (!empty($config)) {
        Yii::configure($this, $config);
    }
    $this->init();
}

            

                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);
}

            

                public function __isset($name)
{
    $getter = 'get' . $name;
    if (method_exists($this, $getter)) {
        return $this->$getter() !== null;
    }
    return false;
}

            

                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);
    }
}

            

                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);
    }
}

            

                public function canGetProperty($name, $checkVars = true)
{
    return method_exists($this, 'get' . $name) || $checkVars && property_exists($this, $name);
}

            

                public function canSetProperty($name, $checkVars = true)
{
    return method_exists($this, 'set' . $name) || $checkVars && property_exists($this, $name);
}

            

                public static function className()
{
    return get_called_class();
}

            

                public function dbTypecast($value)
{
    // the default implementation does the same as casting for PHP, but it should be possible
    // to override this with annotation of explicit PDO type.
    return $this->typecast($value);
}

            

                public function hasMethod($name)
{
    return method_exists($this, $name);
}

            

                public function hasProperty($name, $checkVars = true)
{
    return $this->canGetProperty($name, $checkVars) || $this->canSetProperty($name, false);
}

            

                public function init()
{
}

            

                public function phpTypecast($value)
{
    return $this->typecast($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 && $value !== "\0" && strtolower($value) !== 'false';
        case 'double':
            return (float) $value;
    }
    return $value;
}