create, read, playercount

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

@@ -1,15 +1,12 @@
 CREATE PROCEDURE [session].[CreateSession]
 	@Name [session].[SessionName],
-	@Player1Name [user].[UserName],
-	@InitialBoardStateDocument [session].[JsonDocument]
+	@Player1Name [user].[UserName]
 AS
 BEGIN
 	SET NOCOUNT ON
 
-	INSERT INTO [session].[Session] (BoardState, Player1Id)
-	SELECT
-		@InitialBoardStateDocument,
-		Id
+	INSERT INTO [session].[Session] ([Name], Player1Id)
+	SELECT @Name, Id
 	FROM [user].[User]
 	WHERE [Name] = @Player1Name
 END

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

@@ -0,0 +1,5 @@
+CREATE PROCEDURE [session].[DeleteSession]
+	@Name [session].[SessionName]
+AS
+
+DELETE FROM [session].[Session] WHERE [Name] = @Name;

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

@@ -2,15 +2,32 @@
 	@Name [session].[SessionName]
 AS
 BEGIN
-	SET NOCOUNT ON
+	SET NOCOUNT ON -- Performance boost
+	SET XACT_ABORT ON -- Rollback transaction on error
+	SET TRANSACTION ISOLATION LEVEL SNAPSHOT -- Ignores data changes that happen after the transaction begins.
 
-	SELECT
-		sess.[Name],
-		BoardState,
-		p1.[Name] as Player1,
-		p2.[Name] as Player2
-	FROM [session].[Session] sess
-		INNER JOIN [user].[User] p1 on sess.Player1Id = p1.Id
-		LEFT JOIN [user].[User] p2 on sess.Player2Id = p2.Id
-	WHERE sess.[Name] = @Name;
+	BEGIN TRANSACTION
+
+		-- Session
+		SELECT
+			sess.[Name],
+			p1.[Name] as Player1,
+			p2.[Name] as Player2
+		FROM [session].[Session] sess
+			INNER JOIN [user].[User] p1 on sess.Player1Id = p1.Id
+			LEFT JOIN [user].[User] p2 on sess.Player2Id = p2.Id
+		WHERE sess.[Name] = @Name;
+
+		-- Player moves
+		SELECT
+			mv.[From],
+			mv.[To],
+			mv.IsPromotion,
+			piece.[Name] as PieceFromHand
+		FROM [session].[Move] mv
+			INNER JOIN [session].[Session] sess ON sess.Id = mv.SessionId
+			RIGHT JOIN [session].Piece piece on piece.Id = mv.PieceIdFromHand
+		WHERE sess.[Name] = @Name;
+		
+	COMMIT
 END

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

@@ -1,4 +1,4 @@
-CREATE PROCEDURE [session].[ReadAllSessionsMetadata]
+CREATE PROCEDURE [session].[ReadSessionPlayerCount]
 AS
 BEGIN
 	SET NOCOUNT ON;

Shogi.Database/Session/Tables/Move.sql

@@ -0,0 +1,20 @@
+CREATE TABLE [session].[Move]
+(
+	[Id]			INT NOT NULL PRIMARY KEY IDENTITY,
+	[SessionId]		BIGINT NOT NULL,
+	[From]			VARCHAR(2) NOT NULL,
+	[To]			VARCHAR(2) NOT NULL,
+	[IsPromotion]	BIT NOT NULL,
+	[PieceIdFromHand] INT NULL
+
+	CONSTRAINT [Cannot end where you start]
+		CHECK ([From] <> [To]),
+
+	CONSTRAINT FK_Move_Session FOREIGN KEY (SessionId) REFERENCES [session].[Session] (Id)
+		ON DELETE CASCADE
+		ON UPDATE CASCADE,
+
+	CONSTRAINT FK_Move_Piece FOREIGN KEY (PieceIdFromHand) REFERENCES [session].[Piece] (Id)
+		ON DELETE NO ACTION
+		ON UPDATE NO ACTION
+)

Shogi.Database/Session/Tables/Piece.sql

@@ -0,0 +1,5 @@
+CREATE TABLE [session].[Piece]
+(
+	[Id] INT NOT NULL PRIMARY KEY IDENTITY,
+	[Name] NVARCHAR(13) NOT NULL UNIQUE
+)

Shogi.Database/Session/Tables/Session.sql

@@ -4,13 +4,12 @@
 	[Name]		[session].[SessionName] UNIQUE,
 	Player1Id	BIGINT NOT NULL,
 	Player2Id	BIGINT NULL,
-	BoardState	[session].[JsonDocument] NOT NULL,
 	Created		DATETIMEOFFSET NOT NULL DEFAULT SYSDATETIMEOFFSET(),
 
-	CONSTRAINT [BoardState must be json] CHECK (isjson(BoardState)=1),
 	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