fix: use us time unit for last fetch time

source/libs/function/src/udfd.c

@@ -605,7 +605,7 @@ SUdf *udfdGetOrCreateUdf(const char *udfName) {
   int64_t currTime = taosGetTimestampSec();
   bool    expired = false;
   if (pUdfHash) {
-    expired = currTime - (*pUdfHash)->lastFetchTime > 10 * 1000;
+    expired = currTime - (*pUdfHash)->lastFetchTime > 10 * 1000 * 1000; // 10s
     if (!expired) {
       ++(*pUdfHash)->refCount;
       SUdf *udf = *pUdfHash;
@@ -903,7 +903,7 @@ void udfdProcessRpcRsp(void *parent, SRpcMsg *pMsg, SEpSet *pEpSet) {
 
     msgInfo->code = udfdSaveFuncBodyToFile(pFuncInfo, udf);
     if (msgInfo->code == 0) {
-      udf->lastFetchTime = taosGetTimestampMs();
+      udf->lastFetchTime = taosGetTimestampUs();
     }
     tFreeSFuncInfo(pFuncInfo);
     taosArrayDestroy(retrieveRsp.pFuncInfos);

tests/system-test/2-query/odbc.py

@@ -22,7 +22,7 @@ class TDTestCase:
         tdSql.execute("insert into db.ctb using db.stb tags(1) (ts, c1) values (now, 1)")
 
         tdSql.query("select count(*) from information_schema.ins_columns")
-        tdSql.checkData(0, 0, 274) 
+        tdSql.checkData(0, 0, 275)
 
         tdSql.query("select * from information_schema.ins_columns where table_name = 'ntb'")
         tdSql.checkRows(14)