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Tabletype as framework for new tables

I am playing with tabletypes and it seems you can only use this for passing tabledata to a stored procedure. It would be nice if a tabletype can be used as a template for tables like:

 CREATE TYPE [EnumList] 
 AS TABLE (
             ID int identity(1,1) PRIMARY KEY,
             Value varchar(32) NOT NULL UNIQUE,
             IsActive bit NOT NULL DEFAULT(1),
             CreatedBy sysname NOT NULL default SUSER_NAME(),
             CreatedDate smalldatetime NOT NULL default CURRENT_TIMESTAMP
         )
 GO
 
 create table enum_valuta as EnumList -- not working
 GO

However this gives an error. Am I missing something? If this would work, SQL will become a little more object-oriented :)

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asked May 03, 2012 at 11:20 AM in Default

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Wilfred van Dijk
3.2k 25 34 47

Yeah, but it isn't.

May 03, 2012 at 11:54 AM Grant Fritchey ♦♦
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1 answer: sort voted first

You can use the type to declare a table variable though. And then use that to make a table using SELECT INTO...

 CREATE TYPE [EnumList] 
 AS TABLE (
          ID int identity(1,1) PRIMARY KEY,
          Value varchar(32) NOT NULL UNIQUE,
          IsActive bit NOT NULL DEFAULT(1),
          CreatedBy sysname NOT NULL default SUSER_NAME(),
          CreatedDate smalldatetime NOT NULL default CURRENT_TIMESTAMP
        )
 GO
 
 declare @enum_valuta as EnumList
 
 insert into @enum_valuta (Value, IsActive) select 'aaaa',1
 insert into @enum_valuta (Value, IsActive) select 'bbbb',1
 insert into @enum_valuta (Value, IsActive) select 'cccc',0
 
 select * into Enum_valuta from @enum_valuta
 
 select * from Enum_valuta
 
 drop type [EnumList]
 drop table Enum_valuta
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answered May 03, 2012 at 11:27 AM

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Kev Riley ♦♦
64k 48 61 81

Yes, I know, but this is for in memory operations. What confuses me is that this statement is working:

create type SSN_type from varchar(11) go create table person(name varchar(32), SSN SSN_type) go

While my previous example is not working

May 03, 2012 at 11:50 AM Wilfred van Dijk
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asked: May 03, 2012 at 11:20 AM

Seen: 833 times

Last Updated: May 03, 2012 at 11:54 AM

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