From 318a8f50ed45799a3b85619affe162984241dd0a Mon Sep 17 00:00:00 2001
From: Michael Freidgeim <Michael.Freidgeim@gmail.com>
Date: Fri, 17 Jun 2022 22:54:40 +1000
Subject: [PATCH 1/2] Migrating from V2 Schema to V3 Example

---
 docs/sqlserver.md | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/docs/sqlserver.md b/docs/sqlserver.md
index 207ca9b..54ef0b9 100644
--- a/docs/sqlserver.md
+++ b/docs/sqlserver.md
@@ -29,4 +29,28 @@ TODO
 
 # Migrating from V2 Schema to V3
 
-TODO
\ No newline at end of file
+             // simplified code example
+             
+             var settings = new MsSqlStreamStoreV3Settings(); // you can set some not default values
+             var v3Store = new MsSqlStreamStoreV3(settings);
+             await v3Store.CreateSchemaIfNotExists();
+             var checkSchemaResult = await v3Store.CheckSchema();
+            _logger.LogInformation($"checkSchemaResult before Migrate  CurrentVersion {checkSchemaResult.CurrentVersion }  ");
+            if (checkSchemaResult.CurrentVersion == 2)
+            {
+              //  you can consider to run migration as fire and forget to not block the main thread
+              //Task.Factory.StartNew(() => MigrateToV3());
+                
+              _logger.LogInformation($"Before Migrate IsMatch {checkSchemaResult.IsMatch()} CurrentVersion {checkSchemaResult.CurrentVersion} ExpectedVersion {checkSchemaResult.ExpectedVersion} ");
+              var progress = new Progress<MigrateProgress>();
+              progress.ProgressChanged += (_, migrateProgress) =>
+                   _logger.LogInformation($"Migration stage complete: {migrateProgress.Stage}");
+              await v3Store.Migrate(progress, CancellationToken.None)
+            
+              checkSchemaResult = await v3Store.CheckSchema();
+              _logger.LogInformation($"After Migrate IsMatch {checkSchemaResult.IsMatch()} CurrentVersion {checkSchemaResult.CurrentVersion} ExpectedVersion {checkSchemaResult.ExpectedVersion} ");
+            }
+            return v3Store;
+
+            
+            

From b5818b82da51928ff7531773209410443253587d Mon Sep 17 00:00:00 2001
From: Michael Freidgeim <Michael.Freidgeim@gmail.com>
Date: Sat, 18 Jun 2022 09:59:44 +1000
Subject: [PATCH 2/2] Link to wiki

---
 docs/sqlserver.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/sqlserver.md b/docs/sqlserver.md
index 54ef0b9..4e5ed02 100644
--- a/docs/sqlserver.md
+++ b/docs/sqlserver.md
@@ -52,5 +52,7 @@ TODO
             }
             return v3Store;
 
+
+See more details in [Wiki Example-of-Migration-to-MsSqlStreamStoreV3](https://github.com/SQLStreamStore/SQLStreamStore/wiki/Example-of-Migration-to-MsSqlStreamStoreV3)