feat: export database as zip sql file

src/main/libs/exporters/BaseExporter.js

@@ -1,4 +1,5 @@
 import fs from 'fs';
+import { createGzip } from 'zlib';
 import path from 'path';
 import EventEmitter from 'events';
 
@@ -8,12 +9,19 @@ export class BaseExporter extends EventEmitter {
       this._tables = tables;
       this._options = options;
       this._isCancelled = false;
-      this._outputStream = fs.createWriteStream(this._options.outputFile, {
-         flags: 'w'
-      });
+      this._outputFileStream = fs.createWriteStream(this._options.outputFile, { flags: 'w' });
+      this._processedStream = null;
       this._state = {};
 
-      this._outputStream.once('error', err => {
+      if (this._options.outputFormat === 'sql.zip') {
+         const outputZipStream = createGzip();
+         outputZipStream.pipe(this._outputFileStream);
+         this._processedStream = outputZipStream;
+      }
+      else
+         this._processedStream = this._outputFileStream;
+
+      this._processedStream.once('error', err => {
          this._isCancelled = true;
          this.emit('error', err);
       });
@@ -29,7 +37,7 @@ export class BaseExporter extends EventEmitter {
          throw err;
       }
       finally {
-         this._outputStream.end();
+         this._processedStream.end();
          this.emit('end');
       }
    }
@@ -68,7 +76,7 @@ export class BaseExporter extends EventEmitter {
          const fileName = path.basename(this._options.outputFile);
          this.emit('error', `The file ${fileName} is not accessible`);
       }
-      this._outputStream.write(data);
+      this._processedStream.write(data);
    }
 
    dump () {

src/renderer/components/ModalExportSchema.vue

@@ -181,11 +181,10 @@
                   </div>
                </div>
                <div class="column col-4">
-                  <h4>
+                  <h5 class="h5">
                      {{ $t('word.options') }}
-                  </h4>
-                  <span>{{ $t('word.includes') }}:</span>
-
+                  </h5>
+                  <span class="h6">{{ $t('word.includes') }}:</span>
                   <label
                      v-for="(_, key) in options.includes"
                      :key="key"
@@ -194,7 +193,7 @@
                      <input v-model="options.includes[key]" type="checkbox"><i class="form-icon" /> {{ $t(`word.${key}`) }}
                   </label>
 
-                  <div class="mt-4 mb-2">
+                  <div class="h6 mt-4 mb-2">
                      {{ $t('message.newInserStmtEvery') }}:
                   </div>
                   <div class="columns">
@@ -217,6 +216,22 @@
                         </select>
                      </div>
                   </div>
+
+                  <div class="h6 mb-2 mt-4">
+                     {{ $t('message.ourputFormat') }}:
+                  </div>
+                  <div class="columns">
+                     <div class="column h5 mb-4">
+                        <select v-model="options.outputFormat" class="form-select">
+                           <option value="sql">
+                              {{ $t('message.singleFile', {ext: '.sql'}) }}
+                           </option>
+                           <option value="sql.zip">
+                              {{ $t('message.zipCompressedFile', {ext: '.sql'}) }}
+                           </option>
+                        </select>
+                     </div>
+                  </div>
                </div>
             </div>
          </div>
@@ -275,6 +290,7 @@ export default {
          tables: [],
          options: {
             includes: {},
+            outputFormat: 'sql',
             sqlInsertAfter: 250,
             sqlInsertDivider: 'bytes'
          },
@@ -299,7 +315,7 @@ export default {
       },
       filename () {
          const date = moment().format('YYYY-MM-DD');
-         return `${this.selectedSchema}_${date}.sql`;
+         return `${this.selectedSchema}_${date}.${this.options.outputFormat}`;
       },
       dumpFilePath () {
          return `${this.basePath}/${this.filename}`;

src/renderer/i18n/en-US.js

@@ -283,7 +283,10 @@ module.exports = {
       manualCommit: 'Manual commit',
       actionSuccessful: '{action} successful',
       importQueryErrors: 'Warning: {n} error has accurrend | Warning: {n} errors occurred',
-      executedQueries: '{n} query executed | {n} queries executed'
+      executedQueries: '{n} query executed | {n} queries executed',
+      ourputFormat: 'Output format',
+      singleFile: 'Single {ext} file',
+      zipCompressedFile: 'ZIP compressed {ext} file'
    },
    faker: {
       address: 'Address',