fix: TAP-11636 add treat empty string as null config in inspect task

Author: mnianqi

packages/business/src/locale/lang/en.js

@@ -1661,6 +1661,9 @@ export default {
     'Click variable name to insert into template',
   packages_business_ignoreTimePrecision_round: 'Round',
   packages_business_ignoreTimePrecision_truncate: 'Truncate',
+  packages_business_treatEmptyStringAsNull: 'Treat empty string as NULL',
+  packages_business_treatEmptyStringAsNull_tip: `<p>When enabled, an empty string ("") on either side is considered equal to NULL during field comparison.</p>
+<p>Useful when the target is a database that automatically converts empty strings to NULL (e.g. Oracle), to avoid false-positive field inconsistencies caused by such semantic differences.</p>`,
   packages_business_validation_task_type: 'Validation Task Type',
   packages_business_select_task_to_be_verified: 'Select Task to be Verified',
   packages_business_drag_file_here:

packages/business/src/locale/lang/zh-CN.js

@@ -1486,6 +1486,9 @@ export default {
     '点击变量名称插入到模板中',
   packages_business_ignoreTimePrecision_round: '四舍五入',
   packages_business_ignoreTimePrecision_truncate: '截断',
+  packages_business_treatEmptyStringAsNull: '空字符串视为 NULL',
+  packages_business_treatEmptyStringAsNull_tip: `<p>开启后，源端和目标端在字段校验时，空字符串（""）将被视为与 NULL 相等。</p>
+<p>适用于目标端为 Oracle 等会自动把空字符串转换为 NULL 的数据库，避免因数据库语义差异导致的字段不一致误报。</p>`,
   packages_business_validation_task_type: '校验任务类型',
   packages_business_select_task_to_be_verified: '选择被校验的任务',
   packages_business_drag_file_here:

packages/business/src/locale/lang/zh-TW.js

@@ -1476,6 +1476,9 @@ export default {
     '點擊變量名稱插入到模板中',
   packages_business_ignoreTimePrecision_round: '四捨五入',
   packages_business_ignoreTimePrecision_truncate: '截斷',
+  packages_business_treatEmptyStringAsNull: '空字符串視為 NULL',
+  packages_business_treatEmptyStringAsNull_tip: `<p>開啓後，源端和目標端在字段校驗時，空字符串（""）將被視為與 NULL 相等。</p>
+<p>適用於目標端為 Oracle 等會自動把空字符串轉換為 NULL 的數據庫，避免因數據庫語義差異導致的字段不一致誤報。</p>`,
   packages_business_validation_task_type: '校驗任務類型',
   packages_business_select_task_to_be_verified: '選擇被校驗的任務',
   packages_business_drag_file_here:

packages/business/src/views/verification/Form.vue

@@ -70,6 +70,7 @@ interface FormData {
   checkTableThreadNum: number
   alarmSettings: AlarmSetting[]
   ignoreTimePrecision?: boolean
+  treatEmptyStringAsNull?: boolean
 }
 
 interface Task {
@@ -184,6 +185,7 @@ const form = reactive({
   inconsistentNotifys: ['SYSTEM', 'EMAIL'],
   checkTableThreadNum: 10,
   roundingMode: 'HALF_UP',
+  treatEmptyStringAsNull: true,
   alarmSettings: [
     {
       type: 'INSPECT',
@@ -1090,6 +1092,25 @@ provide('ConnectorMap', ConnectorMap)
             </div>
           </ElFormItem>
 
+          <ElFormItem v-if="!isCountOrHash" class="form-item">
+            <template #label>
+              <span class="align-middle mr-1">{{
+                $t('packages_business_treatEmptyStringAsNull')
+              }}</span>
+              <el-tooltip placement="top">
+                <template #content>
+                  <div
+                    v-html="$t('packages_business_treatEmptyStringAsNull_tip')"
+                  />
+                </template>
+                <VIcon class="align-self-center" color="#909399" size="14"
+                  >info</VIcon
+                >
+              </el-tooltip>
+            </template>
+            <ElSwitch v-model="form.treatEmptyStringAsNull" />
+          </ElFormItem>
+
           <ElFormItem v-if="!isCountOrHash" class="form-item">
             <template #label>
               <span class="align-middle mr-1">{{