feature: tsma expired windows retrieval

include/common/tmsg.h

@@ -2360,6 +2360,17 @@ static int32_t tDecodeTSmaWrapper(SDecoder* pDecoder, STSmaWrapper* pReq) {
   return 0;
 }
 
+typedef struct {
+  int64_t tsmaIndexUid;
+  STimeWindow queryWindow;
+} SVGetTsmaExpWndsReq;
+
+typedef struct {
+  int64_t tsmaIndexUid;
+  int32_t numExpWnds;
+  TSKEY*  expWndsStartTs;
+} SVGetTsmaExpWndsRsp;
+
 typedef struct {
   int idx;
 } SMCreateFullTextReq;

include/common/tmsgdef.h

@@ -206,6 +206,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_VND_CANCEL_SMA, "vnode-cancel-sma", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_DROP_SMA, "vnode-drop-sma", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_SUBMIT_RSMA, "vnode-submit-rsma", SSubmitReq, SSubmitRsp)
+  TD_DEF_MSG_TYPE(TDMT_VND_GET_TSMA_EXP_WNDS, "vnode-get-tsma-expired-windows", SVGetTsmaExpWndsReq, SVGetTsmaExpWndsRsp)
 
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_TIMEOUT, "vnode-sync-timeout", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_PING, "vnode-sync-ping", NULL, NULL)