Add dbNamedConnections filter + deprecate DbScripts

Author: mythz

src/ServiceStack.OrmLite/DbScripts.cs

@@ -9,11 +9,12 @@ namespace ServiceStack.OrmLite
 {
     [Obsolete("Use DbScripts")]
     public class TemplateDbFilters : DbScripts {}
-    
+
+    [Obsolete("Use DbScriptsAsync")]
     public class DbScripts : ScriptMethods
     {
         private const string DbInfo = "__dbinfo"; // Keywords.DbInfo
-        private const string DbConnection = "__dbconnection"; // useDbConnection global
+        private const string DbConnection = "__dbconnection"; // useDb global
 
         private IDbConnectionFactory dbFactory;
         public IDbConnectionFactory DbFactory
@@ -163,6 +164,7 @@ public int dbExec(ScriptScopeContext scope, string sql, Dictionary<string, objec
         public int dbExec(ScriptScopeContext scope, string sql, Dictionary<string, object> args, object options) => 
             exec(db => db.ExecuteSql(sql, args), scope, options);
 
+        public List<string> dbNamedConnections() => OrmLiteConnectionFactory.NamedConnections.Keys.ToList();
         public List<string> dbTableNames(ScriptScopeContext scope) => dbTableNames(scope, null, null);
         public List<string> dbTableNames(ScriptScopeContext scope, Dictionary<string, object> args) => dbTableNames(scope, args, null);
         public List<string> dbTableNames(ScriptScopeContext scope, Dictionary<string, object> args, object options) => 

src/ServiceStack.OrmLite/DbScriptsAsync.cs

@@ -165,6 +165,7 @@ public Task<object> dbExec(ScriptScopeContext scope, string sql, Dictionary<stri
         public Task<object> dbExec(ScriptScopeContext scope, string sql, Dictionary<string, object> args, object options) => 
             exec(db => db.ExecuteSqlAsync(sql, args), scope, options);
 
+        public List<string> dbNamedConnections() => OrmLiteConnectionFactory.NamedConnections.Keys.ToList();
         public Task<object> dbTableNames(ScriptScopeContext scope) => dbTableNames(scope, null, null);
         public Task<object> dbTableNames(ScriptScopeContext scope, Dictionary<string, object> args) => dbTableNames(scope, args, null);
         public Task<object> dbTableNames(ScriptScopeContext scope, Dictionary<string, object> args, object options) => 

src/ServiceStack.OrmLite/OrmLiteConnectionFactory.cs

@@ -3,9 +3,7 @@
 using System.Data;
 using System.Threading;
 using System.Threading.Tasks;
-using ServiceStack;
 using ServiceStack.Data;
-using ServiceStack.Templates;
 using ServiceStack.Text;
 
 namespace ServiceStack.OrmLite
@@ -62,7 +60,7 @@ public OrmLiteConnectionFactory(string connectionString, IOrmLiteDialectProvider
         public Action<OrmLiteConnection> OnDispose { get; set; }
 
         private OrmLiteConnection ormLiteConnection;
-        private OrmLiteConnection OrmLiteConnection => ormLiteConnection ?? (ormLiteConnection = new OrmLiteConnection(this));
+        private OrmLiteConnection OrmLiteConnection => ormLiteConnection ??= new OrmLiteConnection(this);
 
         public virtual IDbConnection CreateDbConnection()
         {