mssql bulk table writer

packages/engines/default/DatabaseAnalyser.js

@@ -14,6 +14,7 @@ class DatabaseAnalyser {
     this.structure = null;
     /** import('@dbgate/types').DatabaseModification[]) */
     this.modifications = null;
+    this.singleObjectFilter = null;
   }
 
   async _runAnalysis() {

packages/engines/default/SqlDumper.js

@@ -155,7 +155,7 @@ class SqlDumper {
       if (column.isPersisted) this.put(' ^persisted');
       return;
     }
-    this.put('%k', column.dataType);
+    this.put('%k', column.dataType || this.dialect.fallbackDataType);
     if (column.autoIncrement) {
       this.autoIncrement();
     }