Update demo

Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -6,6 +6,7 @@ using System.Data.SQLite;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace SqlSugar
 {
@@ -264,6 +265,16 @@ namespace SqlSugar
         /// <returns></returns>
         public override bool CreateDatabase(string databaseName, string databaseDirectory = null)
         {
+            var connString=this.Context.CurrentConnectionConfig.ConnectionString;
+            var path = Regex.Match(connString, @"[a-z,A-Z]\:\\.+\\").Value;
+            if (path.IsNullOrEmpty())
+            {
+                path = Regex.Match(connString, @"[a-z,A-Z]\:\/.+\/").Value;
+            }
+            if (!FileHelper.IsExistDirectory(path))
+            {
+                FileHelper.CreateDirectory(path);
+            }
             this.Context.Ado.Connection.Open();
             this.Context.Ado.Connection.Close();
             return true;
@@ -289,6 +300,7 @@ namespace SqlSugar
         }
         private List<DbColumnInfo> GetColumnsByTableName(string tableName)
         {
+            tableName = SqlBuilder.GetTranslationTableName(tableName);
             string sql = "select * from " + tableName + " limit 0,1";
             var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
             this.Context.Ado.IsEnableLogEvent = false;

Src/Asp.Net/SqliteTest/Demo/Demo1_Queryable.cs

@@ -123,7 +123,7 @@ namespace OrmTest
             Console.WriteLine("");
             Console.WriteLine("#### SqlFunc Start ####");
             var db = GetInstance();
-            var index= db.Queryable<Order>().Select(it => SqlFunc.CharIndex("a", "cccacc")).First();
+            var index= db.Queryable<Order>().Select(it => SqlFunc.Contains("a", "cccacc")).First();
 
             Console.WriteLine("#### SqlFunc  End ####");
         }