diff --git a/packages/datalib/src/ChangeSet.ts b/packages/datalib/src/ChangeSet.ts
index 4e564af30..0238061a3 100644
--- a/packages/datalib/src/ChangeSet.ts
+++ b/packages/datalib/src/ChangeSet.ts
@@ -10,6 +10,7 @@ import {
   Expression,
 } from 'dbgate-sqltree';
 import type { NamedObjectInfo, DatabaseInfo, TableInfo } from 'dbgate-types';
+import { JsonDataObjectUpdateCommand } from 'dbgate-tools';
 
 export interface ChangeSetItem {
   pureName: string;
@@ -21,15 +22,9 @@ export interface ChangeSetItem {
   fields?: { [column: string]: string };
 }
 
-export interface ChangeSetDataUpdateCommand {
-  type: 'renameField' | 'deleteField' | 'setField';
-  field: string;
-  value?: any;
-}
-
 export interface ChangeSet {
   structure?: TableInfo;
-  dataUpdateCommands?: ChangeSetDataUpdateCommand[];
+  dataUpdateCommands?: JsonDataObjectUpdateCommand[];
   setColumnMode?: 'fixed' | 'variable';
   inserts: ChangeSetItem[];
   updates: ChangeSetItem[];
diff --git a/packages/tools/src/schemaEditorTools.ts b/packages/tools/src/schemaEditorTools.ts
index 5c5c92657..b3a4b8f80 100644
--- a/packages/tools/src/schemaEditorTools.ts
+++ b/packages/tools/src/schemaEditorTools.ts
@@ -10,6 +10,14 @@ import type {
   UniqueInfo,
 } from 'dbgate-types';
 import _ from 'lodash';
+import { parseSqlDefaultValue } from './stringTools';
+
+export interface JsonDataObjectUpdateCommand {
+  type: 'renameField' | 'deleteField' | 'setField' | 'setFieldIfNull';
+  oldField?: string;
+  newField?: string;
+  value?: any;
+}
 
 export interface EditorColumnInfo extends ColumnInfo {
   isPrimaryKey?: boolean;
@@ -23,6 +31,41 @@ export function fillEditorColumnInfo(column: ColumnInfo, table: TableInfo): Edit
   };
 }
 
+export function processJsonDataUpdateCommands(obj: any, commands: JsonDataObjectUpdateCommand[] = []) {
+  for (const cmd of commands) {
+    switch (cmd.type) {
+      case 'deleteField':
+        obj = {
+          ...obj,
+        };
+        delete obj[cmd.oldField];
+        break;
+      case 'renameField':
+        obj = {
+          ...obj,
+        };
+        obj[cmd.newField] = obj[cmd.oldField];
+        delete obj[cmd.oldField];
+        break;
+      case 'setField':
+        obj = {
+          ...obj,
+        };
+        obj[cmd.newField] = cmd.value;
+        break;
+      case 'setFieldIfNull':
+        obj = {
+          ...obj,
+        };
+        if (obj[cmd.newField] == null) {
+          obj[cmd.newField] = cmd.value;
+        }
+        break;
+    }
+  }
+  return obj;
+}
+
 function processPrimaryKey(table: TableInfo, oldColumn: EditorColumnInfo, newColumn: EditorColumnInfo): TableInfo {
   if (!oldColumn?.isPrimaryKey && newColumn?.isPrimaryKey) {
     let primaryKey = table?.primaryKey;
@@ -71,7 +114,11 @@ function processPrimaryKey(table: TableInfo, oldColumn: EditorColumnInfo, newCol
   return table;
 }
 
-export function editorAddColumn(table: TableInfo, column: EditorColumnInfo): TableInfo {
+function defineDataCommand(table: TableInfo, cmd: () => JsonDataObjectUpdateCommand) {
+  table['__addDataCommands'] = [...(table['__addDataCommands'] || []), cmd()];
+}
+
+export function editorAddColumn(table: TableInfo, column: EditorColumnInfo, addDataCommand?: boolean): TableInfo {
   let res = {
     ...table,
     columns: [...(table?.columns || []), { ...column, pairingId: uuidv1() }],
@@ -79,10 +126,18 @@ export function editorAddColumn(table: TableInfo, column: EditorColumnInfo): Tab
 
   res = processPrimaryKey(res, null, column);
 
+  if (addDataCommand && column.defaultValue) {
+    defineDataCommand(res, () => ({
+      type: 'setField',
+      field: column.columnName,
+      value: parseSqlDefaultValue(column.defaultValue),
+    }));
+  }
+
   return res;
 }
 
-export function editorModifyColumn(table: TableInfo, column: EditorColumnInfo): TableInfo {
+export function editorModifyColumn(table: TableInfo, column: EditorColumnInfo, addDataCommand?: boolean): TableInfo {
   const oldColumn = table?.columns?.find(x => x.pairingId == column.pairingId);
 
   let res = {
@@ -91,10 +146,26 @@ export function editorModifyColumn(table: TableInfo, column: EditorColumnInfo):
   };
   res = processPrimaryKey(res, fillEditorColumnInfo(oldColumn, table), column);
 
+  if (addDataCommand && oldColumn.columnName != column.columnName) {
+    defineDataCommand(res, () => ({
+      type: 'renameField',
+      oldField: oldColumn.columnName,
+      newField: column.columnName,
+    }));
+  }
+
+  if (addDataCommand && !oldColumn.defaultValue && column.defaultValue) {
+    defineDataCommand(res, () => ({
+      type: 'setFieldIfNull',
+      newField: column.columnName,
+      value: parseSqlDefaultValue(column.defaultValue),
+    }));
+  }
+
   return res;
 }
 
-export function editorDeleteColumn(table: TableInfo, column: EditorColumnInfo): TableInfo {
+export function editorDeleteColumn(table: TableInfo, column: EditorColumnInfo, addDataCommand?: boolean): TableInfo {
   let res = {
     ...table,
     columns: table.columns.filter(col => col.pairingId != column.pairingId),
@@ -102,6 +173,13 @@ export function editorDeleteColumn(table: TableInfo, column: EditorColumnInfo):
 
   res = processPrimaryKey(res, column, null);
 
+  if (addDataCommand) {
+    defineDataCommand(res, () => ({
+      type: 'deleteField',
+      oldField: column.columnName,
+    }));
+  }
+
   return res;
 }
 
diff --git a/packages/tools/src/stringTools.ts b/packages/tools/src/stringTools.ts
index 8705ac370..21be36385 100644
--- a/packages/tools/src/stringTools.ts
+++ b/packages/tools/src/stringTools.ts
@@ -115,3 +115,15 @@ export function getAsImageSrc(obj) {
 
   return null;
 }
+
+export function parseSqlDefaultValue(value: string) {
+  if (!value) return undefined;
+  if (!_isString(value)) return undefined;
+  if (value.startsWith("'") && value.endsWith("'")) {
+    return value.slice(1, -1);
+  }
+  if (!isNaN(value as any) && !isNaN(parseFloat(value))) {
+    return parseFloat(value);
+  }
+  return undefined;
+}
diff --git a/packages/web/src/datagrid/ColumnManager.svelte b/packages/web/src/datagrid/ColumnManager.svelte
index 1957f6e9f..b484472a7 100644
--- a/packages/web/src/datagrid/ColumnManager.svelte
+++ b/packages/web/src/datagrid/ColumnManager.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-  import _, { indexOf, range } from 'lodash';
+  import _, { add, indexOf, range } from 'lodash';
   import { ChangeSet, DisplayColumn, GridDisplay } from 'dbgate-datalib';
   import { filterName } from 'dbgate-tools';
   import CloseSearchButton from '../buttons/CloseSearchButton.svelte';
@@ -113,19 +113,29 @@
   $: tableInfo = display?.editableStructure;
   $: setTableInfo = updFunc => {
     const structure = updFunc(display?.editableStructure);
+    let added = [];
+    if (structure['__addDataCommands']) {
+      added = structure['__addDataCommands'];
+      delete structure['__addDataCommands'];
+    }
     dispatchChangeSet({
       type: 'set',
       value: {
         ...changeSetState?.value,
+        dataUpdateCommands: [...(changeSetState?.value?.dataUpdateCommands || []), ...added],
         structure,
       },
     });
+    tick().then(() => display.reload());
   };
 
+  $: addDataCommand = allowChangeChangeSetStructure;
+
   function handleAddColumn() {
     showModal(ColumnEditorModal, {
       setTableInfo,
       tableInfo,
+      addDataCommand,
       onAddNext: async () => {
         await tick();
         handleAddColumn();
diff --git a/packages/web/src/datagrid/ColumnManagerRow.svelte b/packages/web/src/datagrid/ColumnManagerRow.svelte
index ded11ca42..ea1524723 100644
--- a/packages/web/src/datagrid/ColumnManagerRow.svelte
+++ b/packages/web/src/datagrid/ColumnManagerRow.svelte
@@ -6,6 +6,7 @@
   import { createEventDispatcher } from 'svelte';
   import { showModal } from '../modals/modalTools';
   import ColumnEditorModal from '../tableeditor/ColumnEditorModal.svelte';
+  import { editorDeleteColumn } from 'dbgate-tools';
 
   export let column;
   export let display;
@@ -21,9 +22,10 @@
   export let columnIndex = -1;
 
   export let allowChangeChangeSetStructure = false;
+  $: addDataCommand = allowChangeChangeSetStructure;
 
   function handleEditColumn() {
-    showModal(ColumnEditorModal, { columnInfo, tableInfo, setTableInfo });
+    showModal(ColumnEditorModal, { columnInfo, tableInfo, setTableInfo, addDataCommand });
   }
 
   function exchange(array, i1, i2) {
@@ -85,11 +87,7 @@
       <span class="icon" on:click={handleEditColumn}>
         <FontIcon icon="icon edit" />
       </span>
-      <span
-        class="icon"
-        on:click={() =>
-          setTableInfo(info => ({ ...info, columns: info.columns.filter(x => x.pairingId != columnInfo?.pairingId) }))}
-      >
+      <span class="icon" on:click={() => setTableInfo(info => editorDeleteColumn(info, columnInfo, addDataCommand))}>
         <FontIcon icon="icon delete" />
       </span>
       <span
diff --git a/packages/web/src/datagrid/JslDataGrid.svelte b/packages/web/src/datagrid/JslDataGrid.svelte
index 1a52767ed..bdc4ddbcb 100644
--- a/packages/web/src/datagrid/JslDataGrid.svelte
+++ b/packages/web/src/datagrid/JslDataGrid.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   import { createGridCache, createGridConfig, JslGridDisplay } from 'dbgate-datalib';
-  import { generateTablePairingId } from 'dbgate-tools';
+  import { generateTablePairingId, processJsonDataUpdateCommands } from 'dbgate-tools';
   import { writable } from 'svelte/store';
   import JslFormView from '../formview/JslFormView.svelte';
   import { apiOff, apiOn, useApiCall } from '../utility/api';
@@ -45,9 +45,11 @@
   }
   $: $effect;
 
+  $: infoWithPairingId = generateTablePairingId($info);
+
   $: display = new JslGridDisplay(
     jslid,
-    (allowChangeChangeSetStructure && changeSetState?.value?.structure) || generateTablePairingId($info),
+    (allowChangeChangeSetStructure && changeSetState?.value?.structure) || infoWithPairingId,
     $config,
     config.update,
     $cache,
@@ -75,5 +77,8 @@
     {changeSetStore}
     {dispatchChangeSet}
     {allowChangeChangeSetStructure}
+    preprocessLoadedRow={changeSetState?.value?.dataUpdateCommands
+      ? row => processJsonDataUpdateCommands(row, changeSetState?.value?.dataUpdateCommands)
+      : null}
   />
 {/key}
diff --git a/packages/web/src/datagrid/LoadingDataGridCore.svelte b/packages/web/src/datagrid/LoadingDataGridCore.svelte
index 8c3b1de61..b94a13ecf 100644
--- a/packages/web/src/datagrid/LoadingDataGridCore.svelte
+++ b/packages/web/src/datagrid/LoadingDataGridCore.svelte
@@ -15,6 +15,8 @@
   export let selectedCellsPublished;
   export let rowCountLoaded = null;
 
+  export let preprocessLoadedRow = null;
+
   // export let griderFactory;
 
   export let loadedRows = [];
@@ -65,7 +67,8 @@
       errorMessage = nextRows.errorMessage;
     } else {
       if (allRowCount == null) handleLoadRowCount();
-      loadedRows = [...loadedRows, ...nextRows];
+
+      loadedRows = [...loadedRows, ...(preprocessLoadedRow ? nextRows.map(preprocessLoadedRow) : nextRows)];
       isLoadedAll = nextRows.length === 0;
       //   const loadedInfo = {
       //     loadedRows: [...loadedRows, ...nextRows],
diff --git a/packages/web/src/tableeditor/ColumnEditorModal.svelte b/packages/web/src/tableeditor/ColumnEditorModal.svelte
index a2975630c..06180161a 100644
--- a/packages/web/src/tableeditor/ColumnEditorModal.svelte
+++ b/packages/web/src/tableeditor/ColumnEditorModal.svelte
@@ -17,6 +17,8 @@
   export let tableInfo = null;
   export let onAddNext;
   export let driver = null;
+
+  export let addDataCommand = false;
 </script>
 
 <FormProvider initialValues={fillEditorColumnInfo(columnInfo || {}, tableInfo)}>
@@ -55,9 +57,9 @@
         on:click={e => {
           closeCurrentModal();
           if (columnInfo) {
-            setTableInfo(tbl => editorModifyColumn(tbl, e.detail));
+            setTableInfo(tbl => editorModifyColumn(tbl, e.detail, addDataCommand));
           } else {
-            setTableInfo(tbl => editorAddColumn(tbl, e.detail));
+            setTableInfo(tbl => editorAddColumn(tbl, e.detail, addDataCommand));
             if (onAddNext) onAddNext();
           }
         }}
@@ -68,7 +70,7 @@
           value="Save"
           on:click={e => {
             closeCurrentModal();
-            setTableInfo(tbl => editorAddColumn(tbl, e.detail));
+            setTableInfo(tbl => editorAddColumn(tbl, e.detail, addDataCommand));
           }}
         />
       {/if}
@@ -80,7 +82,7 @@
           value="Remove"
           on:click={() => {
             closeCurrentModal();
-            setTableInfo(tbl => editorDeleteColumn(tbl, columnInfo));
+            setTableInfo(tbl => editorDeleteColumn(tbl, columnInfo, addDataCommand));
           }}
         />
       {/if}