report read row count, if written row count not available

packages/api/src/shell/copyStream.js

@@ -1,8 +1,25 @@
 const EnsureStreamHeaderStream = require('../utility/EnsureStreamHeaderStream');
 const ColumnMapTransformStream = require('../utility/ColumnMapTransformStream');
 const streamPipeline = require('../utility/streamPipeline');
-const { getLogger, extractErrorLogData } = require('dbgate-tools');
+const { getLogger, extractErrorLogData, RowProgressReporter } = require('dbgate-tools');
 const logger = getLogger('copyStream');
+const stream = require('stream');
+
+class ReportingTransform extends stream.Transform {
+  constructor(reporter, options = {}) {
+    super({ ...options, objectMode: true });
+    this.reporter = reporter;
+  }
+  _transform(chunk, encoding, callback) {
+    this.reporter.add(1);
+    this.push(chunk);
+    callback();
+  }
+  _flush(callback) {
+    this.reporter.finish();
+    callback();
+  }
+}
 
 /**
  * Copies reader to writer. Used for import, export tables and transfer data between tables
@@ -23,6 +40,11 @@ async function copyStream(input, output, options) {
   }
 
   const transforms = [];
+
+  if (progressName) {
+    const reporter = new RowProgressReporter(progressName, 'readRowCount');
+    transforms.push(new ReportingTransform(reporter));
+  }
   if (columns) {
     transforms.push(new ColumnMapTransformStream(columns));
   }

packages/tools/src/index.ts

@@ -25,3 +25,4 @@ export * from './detectSqlFilterBehaviour';
 export * from './filterBehaviours';
 export * from './schemaInfoTools';
 export * from './dbKeysLoader';
+export * from './rowProgressReporter';

packages/web/src/impexp/ImportExportConfigurator.svelte

@@ -307,7 +307,9 @@
           {#if progressHolder[row]?.status == 'running'}
             <FontIcon icon="icon loading" />
             {#if progressHolder[row]?.writtenRowCount}
-              {progressHolder[row]?.writtenRowCount} rows written
+              {progressHolder[row]?.writtenRowCount} rows writtem
+            {:else if progressHolder[row]?.readRowCount}
+              {progressHolder[row]?.readRowCount} rows read
             {:else}
               Running
             {/if}
@@ -325,6 +327,8 @@
             <FontIcon icon="img ok" />
             {#if progressHolder[row]?.writtenRowCount}
               {progressHolder[row]?.writtenRowCount} rows written
+            {:else if progressHolder[row]?.readRowCount}
+              {progressHolder[row]?.readRowCount} rows read
             {:else}
               Done
             {/if}