一对一聊天重构，期待群聊开发

script/sql/20241120表结构备份/ACT_EVT_LOG.sql

@@ -0,0 +1,18 @@
+create table fad_oa.ACT_EVT_LOG
+(
+    LOG_NR_       bigint auto_increment
+        primary key,
+    TYPE_         varchar(64)                               null,
+    PROC_DEF_ID_  varchar(64)                               null,
+    PROC_INST_ID_ varchar(64)                               null,
+    EXECUTION_ID_ varchar(64)                               null,
+    TASK_ID_      varchar(64)                               null,
+    TIME_STAMP_   timestamp(3) default CURRENT_TIMESTAMP(3) not null,
+    USER_ID_      varchar(255)                              null,
+    DATA_         longblob                                  null,
+    LOCK_OWNER_   varchar(255)                              null,
+    LOCK_TIME_    timestamp(3)                              null,
+    IS_PROCESSED_ tinyint      default 0                    null
+)
+    collate = utf8mb3_bin;
+