Merge commit '33e03bb2cf250e93f09e1a0a6a42dad620d2e565' into githubsy/SqlSugar5-indexfix

Src/Asp.NetCore2/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs

@@ -393,7 +393,8 @@ namespace SqlSugar
         }
         public virtual bool IsAnyIndex(string indexName)
         {
-            string sql = string.Format(this.IsAnyIndexSql, indexName);
+            //string sql = string.Format(this.IsAnyIndexSql, indexName);
+            string sql = string.Format(this.IsAnyIndexSql, indexName, this.Context.Ado.Connection.Database);
             return this.Context.Ado.GetInt(sql)>0;
         }
         public virtual bool AddRemark(EntityInfo entity)

Src/Asp.NetCore2/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs

@@ -269,7 +269,7 @@ namespace SqlSugar
         {
             get
             {
-                return "SELECT count(*) FROM information_schema.statistics WHERE index_name = '{0}'";
+                return "SELECT count(*) FROM information_schema.statistics WHERE index_name = '{0}' and index_schema = '{1}'";
             }
         }
         #endregion