fix: invalid read/write

source/dnode/vnode/src/meta/metaQuery.c

@@ -663,12 +663,23 @@ int32_t metaFilteTableIds(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
 
   void *  entryKey = NULL, *entryVal = NULL;
   int32_t nEntryKey, nEntryVal;
+  bool    first = true;
   while (1) {
     valid = tdbTbcGet(pCursor->pCur, (const void **)&entryKey, &nEntryKey, (const void **)&entryVal, &nEntryVal);
     if (valid < 0) {
       break;
     }
     STagIdxKey *p = entryKey;
+    if (p->type != pCursor->type) {
+      if (first) {
+        valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
+        if (valid < 0) break;
+        continue;
+      } else {
+        break;
+      }
+    }
+    first = false;
     if (p != NULL) {
       int32_t cmp = (*param->filterFunc)(p->data, pKey->data, pKey->type);
       if (cmp == 0) {

tests/script/tsim/stable/tag_filter.sim

@@ -73,5 +73,80 @@ if $rows != 6 then
 endi
 
 
+print ========== prepare stbBin and ctbBin
+sql create table db.stbBin (ts timestamp, c1 int, c2 binary(4)) tags(t1 binary(16))
 
+
+sql create table db.ctbBin using db.stbBin tags("a")
+sql insert into db.ctbBin values(now, 1, "2")
+
+sql create table db.ctbBin1 using db.stbBin tags("b")
+sql insert into db.ctbBin1 values(now, 2, "2")
+
+sql create table db.ctbBin2 using db.stbBin tags("c")
+sql insert into db.ctbBin2 values(now, 3, "2")
+
+sql create table db.ctbBin3 using db.stbBin tags("d")
+sql insert into db.ctbBin3 values(now, 4, "2")
+
+sql select * from db.stbBin where t1 = "a" 
+if $rows != 1 then 
+  return -1
+endi
+
+
+sql select * from db.stbBin where t1 < "a" 
+if $rows != 0 then 
+  return -=1
+endi
+
+sql select * from db.stbBin where t1 < "b" 
+if $rows != 1 then 
+  return -1
+endi
+
+
+sql select * from db.stbBin where t1 between "a" and "e" 
+if $rows != 4 then 
+  return -1
+endi
+
+
+print ========== prepare stbNc and ctbNc
+sql create table db.stbNc (ts timestamp, c1 int, c2 binary(4)) tags(t1 nchar(16))
+
+
+sql create table db.ctbNc using db.stbNc tags("a")
+sql insert into db.ctbNc values(now, 1, "2")
+
+sql create table db.ctbNc1 using db.stbNc tags("b")
+sql insert into db.ctbNc1 values(now, 2, "2")
+
+sql create table db.ctbNc2 using db.stbNc tags("c")
+sql insert into db.ctbNc2 values(now, 3, "2")
+
+sql create table db.ctbNc3 using db.stbNc tags("d")
+sql insert into db.ctbNc3 values(now, 4, "2")
+
+sql select * from db.stbNc where t1 = "a" 
+if $rows != 1 then 
+  return -1
+endi
+
+
+sql select * from db.stbNc where t1 < "a" 
+if $rows != 0 then 
+  return -=1
+endi
+
+sql select * from db.stbNc where t1 < "b" 
+if $rows != 1 then 
+  return -1
+endi
+
+
+sql select * from db.stbNc where t1 between "a" and "e" 
+if $rows != 4 then 
+  return -1
+endi
 system sh/exec.sh -n dnode1 -s stop -x SIGINT