260720

sql/20260423_add_wxxzx_promise_signature.sql

@@ -0,0 +1,13 @@
+SET @db = DATABASE();
+
+SET @sql = IF(
+    EXISTS(
+        SELECT 1 FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'gxmu_wxxzx_project' AND COLUMN_NAME = 'promise_signature'
+    ),
+    'SELECT 1',
+    'ALTER TABLE gxmu_wxxzx_project ADD COLUMN promise_signature LONGTEXT NULL COMMENT ''承诺书签名图片(base64)'' AFTER promise_signer'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;