Data Type Data Type IoTDB supports six data types in total: BOOLEAN (Boolean) INT32 (Integer) INT64 (Long Integer) FLOAT (Single Precision Floating Point) DOUBLE (Double Prec...
ALTER TYPE 概要 描述 参数 示例 兼容性 另见 ALTER TYPE 更改一个数据类型的定义。 概要 ALTER TYPE name OWNER TO new_owner | SET SCHEMA new_schema 描述 ALTER TYPE 更改一种现有类型的定义。用户可以更改类型的模式和所...
Data Type Data Type IoTDB supports six data types in total: BOOLEAN (Boolean) INT32 (Integer) INT64 (Long Integer) FLOAT (Single Precision Floating Point) DOUBLE (Double Prec...
Tuples Unions Intersections Combining type expressions The types we’ve talked about so far can also be combined in type expressions . If you’re used to object-oriented program...
Enumerations Complex types Other stuff A type alias is just a way to give a different name to a type. This may sound a bit silly: after all, types already have names! However,...
Type restrictions self restriction Classes as restrictions Type restrictions in splats Free variables Type restrictions Type restrictions are applied to method arguments to...
Type grammar Paths and generics Union Nilable Pointer StaticArray Tuple NamedTuple Proc self class Underscore typeof Type grammar When: specifying type restrictio...
Introduction A Note on Soundness Starting out Comparing two functions Function Parameter Bivariance Optional Parameters and Rest Parameters Functions with overloads Enums C...
TYPE key *Return value *Examples TYPE key Available since 1.0.0. Time complexity: O(1) Returns the string representation of the type of the value stored at key . The diff...