google.spanner.v1.PlanNode.Kind */ class Kind { /** * Not specified. * * Generated from protobuf enum KIND_UNSPECIFIED = 0; */ const KIND_UNSPECIFIED = 0; /** * Denotes a Relational operator node in the expression tree. Relational * operators represent iterative processing of rows during query execution. * For example, a `TableScan` operation that reads rows from a table. * * Generated from protobuf enum RELATIONAL = 1; */ const RELATIONAL = 1; /** * Denotes a Scalar node in the expression tree. Scalar nodes represent * non-iterable entities in the query plan. For example, constants or * arithmetic operators appearing inside predicate expressions or references * to column names. * * Generated from protobuf enum SCALAR = 2; */ const SCALAR = 2; private static $valueToName = [ self::KIND_UNSPECIFIED => 'KIND_UNSPECIFIED', self::RELATIONAL => 'RELATIONAL', self::SCALAR => 'SCALAR', ]; public static function name($value) { if (!isset(self::$valueToName[$value])) { throw new UnexpectedValueException(sprintf( 'Enum %s has no name defined for value %s', __CLASS__, $value)); } return self::$valueToName[$value]; } public static function value($name) { $const = __CLASS__ . '::' . strtoupper($name); if (!defined($const)) { throw new UnexpectedValueException(sprintf( 'Enum %s has no value defined for name %s', __CLASS__, $name)); } return constant($const); } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(Kind::class, \Google\Cloud\Spanner\V1\PlanNode_Kind::class);