export preserves column settings

packages/datalib/src/GridDisplay.ts

@@ -570,6 +570,20 @@ export abstract class GridDisplay {
     return sql;
   }
 
+  getExportColumnMap() {
+    const changesDefined = this.config.hiddenColumns?.length > 0 || this.config.addedColumns?.length > 0;
+    if (this.isDynamicStructure && !changesDefined) {
+      return null;
+    }
+    return this.getColumns(null)
+      .filter(col => col.isChecked)
+      .map(col => ({
+        dst: col.headerText,
+        src: col.uniqueName,
+        ignore: !changesDefined,
+      }));
+  }
+
   resizeColumn(uniqueName: string, computedSize: number, diff: number) {
     this.setConfig(cfg => {
       const columnWidths = {

packages/web/src/datagrid/CollectionDataGridCore.svelte

@@ -174,6 +174,7 @@
     initialValues.sourceDatabaseName = database;
     initialValues.sourceSql = getExportQuery();
     initialValues.sourceList = [pureName];
+    initialValues[`columns_${pureName}`] = display.getExportColumnMap();
     showModal(ImportExportModal, { initialValues });
   }
 

packages/web/src/datagrid/JslDataGridCore.svelte

@@ -55,6 +55,7 @@
   import RowsArrayGrider from './RowsArrayGrider';
 
   export let jslid;
+  export let display;
 
   export const activator = createActivator('JslDataGridCore', false);
 
@@ -93,10 +94,12 @@
       initialValues.sourceStorageType = 'archive';
       initialValues.sourceArchiveFolder = archiveMatch[1];
       initialValues.sourceList = [archiveMatch[2]];
+      initialValues[`columns_${archiveMatch[2]}`] = display.getExportColumnMap();
     } else {
       initialValues.sourceStorageType = 'jsldata';
       initialValues.sourceJslId = jslid;
       initialValues.sourceList = ['query-data'];
+      initialValues[`columns_query-data`] = display.getExportColumnMap();
     }
     showModal(ImportExportModal, { initialValues });
   }

packages/web/src/datagrid/SqlDataGridCore.svelte

@@ -135,6 +135,7 @@
     initialValues.sourceDatabaseName = database;
     initialValues.sourceSql = display.getExportQuery();
     initialValues.sourceList = display.baseTableOrSimilar ? [display.baseTableOrSimilar.pureName] : [];
+    initialValues[`columns_${pureName}`] = display.getExportColumnMap();
     showModal(ImportExportModal, { initialValues });
   }
 

packages/web/src/impexp/createImpExpScript.ts

@@ -186,10 +186,16 @@ export default async function createImpExpScript(extensions, values, addEditorIn
     // @ts-ignore
     script.assign(targetVar, ...getTargetExpr(extensions, sourceName, values, targetConnection, targetDriver));
 
-    const colmap = (values[`columns_${sourceName}`] || []).filter(x => !x.skip);
+    let colmap = values[`columns_${sourceName}`] || [];
+    if (!colmap.find(x => !x.ignore)) {
+      // all values are ignored, ignore column map
+      colmap = [];
+    }
+    colmap = colmap.filter(x => !x.skip);
     let colmapVar = null;
     if (colmap.length > 0) {
       colmapVar = script.allocVariable();
+      colmap = colmap.map(x => _.omit(x, ['ignore']));
       script.assignValue(colmapVar, colmap);
     }
 

packages/web/src/modals/ColumnMapModal.svelte

@@ -36,19 +36,22 @@
       <svelte:fragment slot="4" let:row let:index>
         <CheckboxField
           checked={!row['skip']}
-          on:change={e => (value = (value || []).map((x, i) => (i == index ? { ...x, skip: !e.target.checked } : x)))}
+          on:change={e =>
+            (value = (value || []).map((x, i) => (i == index ? { ...x, skip: !e.target.checked, ignore: false } : x)))}
         />
       </svelte:fragment>
       <svelte:fragment slot="1" let:row let:index>
         <TextField
           value={row['src']}
-          on:change={e => (value = (value || []).map((x, i) => (i == index ? { ...x, src: e.target.value } : x)))}
+          on:change={e =>
+            (value = (value || []).map((x, i) => (i == index ? { ...x, src: e.target.value, ignore: false } : x)))}
         />
       </svelte:fragment>
       <svelte:fragment slot="2" let:row let:index>
         <TextField
           value={row['dst']}
-          on:change={e => (value = (value || []).map((x, i) => (i == index ? { ...x, dst: e.target.value } : x)))}
+          on:change={e =>
+            (value = (value || []).map((x, i) => (i == index ? { ...x, dst: e.target.value, ignore: false } : x)))}
         />
       </svelte:fragment>
       <svelte:fragment slot="3" let:index>