squash a bunch of commits

Shogi.Database/Session/Session.sql

@@ -0,0 +1 @@
+CREATE SCHEMA [session]

Shogi.Database/Session/Stored Procedures/CreateBoardState.sql

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+CREATE PROCEDURE [dbo].[CreateBoardState]
+	@boardStateDocument NVARCHAR(max),
+	@sessionName NVARCHAR(100)
+AS
+BEGIN
+
+SET NOCOUNT ON
+
+INSERT INTO [session].[BoardState] (Document, SessionId)
+	SELECT 
+		@boardStateDocument, 
+		Id
+	FROM [session].[Session]
+	WHERE [Name] = @sessionName;
+
+END

Shogi.Database/Session/Stored Procedures/CreateSession.sql

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+CREATE PROCEDURE [session].[CreateSession]
+	@SessionName [session].[SessionName],
+	@Player1Name [user].[UserName],
+	@InitialBoardStateDocument [session].[JsonDocument]
+AS
+BEGIN
+
+SET NOCOUNT ON
+SET XACT_ABORT ON
+
+BEGIN TRANSACTION
+	INSERT INTO [session].[Session] ([Name], Player1Id)
+	SELECT
+		@SessionName,
+		Id
+	FROM [user].[User]
+	WHERE [Name] = @Player1Name;
+
+	INSERT INTO [session].[BoardState] (Document, SessionId) 
+	VALUES
+		(@InitialBoardStateDocument, SCOPE_IDENTITY());
+COMMIT
+
+END

Shogi.Database/Session/Stored Procedures/ReadAllSessionsMetadata.sql

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+CREATE PROCEDURE [session].[ReadAllSessionsMetadata]
+AS
+
+SET NOCOUNT ON;
+
+SELECT
+	[Name],
+	CASE Player2Id
+		WHEN NULL THEN 1
+		ELSE 2 
+	END AS PlayerCount
+FROM [session].[Session];

Shogi.Database/Session/Stored Procedures/UpdateSession.sql

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+CREATE PROCEDURE [dbo].[UpdateSession]
+	@SessionName [session].[SessionName],
+	@BoardStateJson [session].[JsonDocument]
+AS
+BEGIN
+	SET NOCOUNT ON;
+
+	UPDATE bs
+	SET bs.Document = @BoardStateJson
+	FROM [session].[BoardState] bs
+		INNER JOIN [session].[Session] s on s.Id = bs.SessionId
+	WHERE s.Name = @SessionName;
+
+END

Shogi.Database/Session/Tables/BoardState.sql

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+CREATE TABLE [session].[BoardState]
+(
+	[Id] BIGINT NOT NULL PRIMARY KEY IDENTITY,
+	[Document] NVARCHAR(max) NOT NULL,
+	[SessionId] BIGINT NOT NULL,
+
+	CONSTRAINT [Document must be json] CHECK (isjson(Document)=1),
+	CONSTRAINT FK_BoardState_Session FOREIGN KEY (SessionId) 
+		REFERENCES [session].[Session] (Id) ON DELETE CASCADE ON UPDATE CASCADE
+)

Shogi.Database/Session/Tables/Session.sql

@@ -0,0 +1,16 @@
+CREATE TABLE [session].[Session]
+(
+	Id			BIGINT NOT NULL PRIMARY KEY IDENTITY,
+	[Name]		[session].[SessionName] NOT NULL UNIQUE,
+	Created		DATETIMEOFFSET NOT NULL DEFAULT SYSDATETIMEOFFSET(),
+	GameOver	BIT NOT NULL DEFAULT 0,
+	Player1Id	BIGINT NOT NULL,
+	Player2Id	BIGINT NULL,
+
+	CONSTRAINT FK_Player1_User FOREIGN KEY (Player1Id) REFERENCES [user].[User] (Id) 
+		ON DELETE CASCADE 
+		ON UPDATE CASCADE,
+	CONSTRAINT FK_Player2_User FOREIGN KEY (Player2Id) REFERENCES [user].[User] (Id) 
+		ON DELETE NO ACTION
+		ON UPDATE NO ACTION
+)

Shogi.Database/Session/Types/JsonDocument.sql

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+CREATE TYPE [session].[JsonDocument]
+	FROM NVARCHAR(max) NOT NULL

Shogi.Database/Session/Types/SessionName.sql

@@ -0,0 +1,2 @@
+CREATE TYPE [session].[SessionName]
+	FROM nvarchar(50) NOT NULL