Composite Tables

[airwedge1]

Describe the solution you'd like I'd like to be able to extend the definition of tables into multiple files or projects. For example In SharedProject have a table FooBar and then in MyProject have a file FooBarCustom where the definition is alter table FooBar add MyCustomColumn.

Describe alternatives you've considered As an alternative I do not use database references instead I include my project as git sub module and just include / exclude individual files to accomplish similar behavior. However, if a column is added in the SharedProject to a table it needs to be manually added to my custom table definition.

[dzsquared]

Making sure I understand this correctly - you want a single table where in 1 project you define a few columns on it, and in another project you define other columns on it.

shared project

create table dbo.FoorBar (
    Id INT PRIMARY KEY,
    SomeColumn NVARCHAR(100)
)

MyProject

create table dbo.FoorBar (
    Id INT PRIMARY KEY,
    MyCustomColumn NVARCHAR(25)
)

MyProject has a database reference to the shared project

The end result is the table definition from SharedProject is layered under MyProject and any deployment plans are created from a combination of the 2 tables. if both have a primary key defined that doesn't match, does that cause a build error?

[airwedge1]

That is all correct and yes it would cause a build error with more than one primary key, duplicate column names, etc. I would think that it would be easier to do it like the below but either way would work.

shared project

create table dbo.FoorBar ( Id INT PRIMARY KEY, SomeColumn NVARCHAR(100) )

MyProject

Alter table dbo.FoorBar Add MyCustomColumn NVARCHAR(25)

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From: Drew Skwiers-Koballa @.> Sent: Friday, November 10, 2023 10:47:20 PM To: microsoft/DacFx @.> Cc: Nick Walker @.>; Author @.> Subject: Re: [microsoft/DacFx] Composite Tables (Issue #362)

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Making sure I understand this correctly - you want a single table where in 1 project you define a few columns on it, and in another project you define other columns on it.

shared project

create table dbo.FoorBar ( Id INT PRIMARY KEY, SomeColumn NVARCHAR(100) )

MyProject

create table dbo.FoorBar ( Id INT PRIMARY KEY, MyCustomColumn NVARCHAR(25) )

MyProject has a database reference to the shared project

The end result is the table definition from SharedProject is layered under MyProject and any deployment plans are created from a combination of the 2 tables. if both have a primary key defined that doesn't match, does that cause a build error?

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