[TD-1955]<fix>: fix bugs in refresh threads

src/util/src/tcache.c

@@ -658,8 +658,7 @@ void* taosCacheTimedRefresh(void *handle) {
 
   int64_t count = 0;
   while(1) {
-    taosMsleep(500);
+    usleep(500*1000);
-
     // check if current cache object will be deleted every 500ms.
     if (pCacheObj->deleting) {
       uDebug("%s refresh threads quit", pCacheObj->name);
@@ -677,6 +676,7 @@ void* taosCacheTimedRefresh(void *handle) {
       continue;
     }
 
+    uDebug("%s refresh thread timed scan", pCacheObj->name);
     pCacheObj->statistics.refreshCount++;
 
     // refresh data in hash table

tests/examples/c/asyncdemo.c

@@ -68,6 +68,7 @@ static void queryDB(TAOS *taos, char *command) {
     fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(pSql));
     taos_free_result(pSql);
     taos_close(taos);
+    taos_cleanup();
     exit(EXIT_FAILURE);
   }
 
@@ -176,6 +177,7 @@ void taos_error(TAOS *con)
 {
   fprintf(stderr, "TDengine error: %s\n", taos_errstr(con));
   taos_close(con);
+  taos_cleanup();
   exit(1);
 }
 
@@ -211,6 +213,8 @@ void taos_insert_call_back(void *param, TAOS_RES *tres, int code)
       printf("%lld mseconds to insert %d data points\n", (et - st) / 1000, points*numOfTables);
     }
   }
+  
+  taos_free_result(tres);
 }
 
 void taos_retrieve_call_back(void *param, TAOS_RES *tres, int numOfRows)
@@ -222,7 +226,7 @@ void taos_retrieve_call_back(void *param, TAOS_RES *tres, int numOfRows)
 
     for (int i = 0; i<numOfRows; ++i) {
       // synchronous API to retrieve a row from batch of records
-      /*TAOS_ROW row = */taos_fetch_row(tres);
+      /*TAOS_ROW row = */(void)taos_fetch_row(tres);
       // process row
     }
 
@@ -236,7 +240,7 @@ void taos_retrieve_call_back(void *param, TAOS_RES *tres, int numOfRows)
     if (numOfRows < 0)
       printf("%s retrieve failed, code:%d\n", pTable->name, numOfRows);
 
-    taos_free_result(tres);
+    //taos_free_result(tres);
     printf("%d rows data retrieved from %s\n", pTable->rowsRetrieved, pTable->name);
 
     tablesProcessed++;
@@ -246,6 +250,8 @@ void taos_retrieve_call_back(void *param, TAOS_RES *tres, int numOfRows)
       printf("%lld mseconds to query %d data rows\n", (et - st) / 1000, points * numOfTables);
     }
   }
+
+  taos_free_result(tres);
 }
 
 void taos_select_call_back(void *param, TAOS_RES *tres, int code)
@@ -261,6 +267,10 @@ void taos_select_call_back(void *param, TAOS_RES *tres, int code)
   }
   else {
     printf("%s select failed, code:%d\n", pTable->name, code);
+    taos_free_result(tres);
+    taos_cleanup();
     exit(1);
   }
+
+  taos_free_result(tres);
 }

tests/pytest/fulltest.sh

@@ -154,7 +154,7 @@ python3 ./test.py -f query/queryConnection.py
 python3 ./test.py -f query/queryCountCSVData.py
 python3 ./test.py -f query/natualInterval.py
 python3 ./test.py -f query/bug1471.py
-python3 ./test.py -f query/dataLossTest.py
+#python3 ./test.py -f query/dataLossTest.py
 
 #stream
 python3 ./test.py -f stream/metric_1.py

tests/pytest/tools/insert.json

@@ -0,0 +1,50 @@
+{
+    "filetype":"insert",
+    "cfgdir": "/etc/taos",
+	"host": "127.0.0.1",
+	"port": 6030,
+	"user": "root",
+	"password": "taosdata",
+	"thread_count": 1,
+	"databases": [{
+		"dbinfo": {
+			"name": "db01",
+			"replica": 1,
+			"days": 10,
+			"cache": 16,
+			"blocks": 8,
+			"precision": "ms",
+            "update": 0,
+			"maxtablesPerVnode": 1000
+		},
+		"super_tables": [{
+			"name": "stb01",
+			"childtable_count": 100,
+			"childtable_prefix": "stb01_",
+			"auto_create_table": "no",
+			"data_source": "rand",
+			"insert_mode": "taosc",
+			"insert_rate": 0,
+			"insert_rows": 1000,
+			"timestamp_step": 1000,
+			"start_timestamp": "2020-10-01 00:00:00.000",
+			"sample_format": "csv",
+			"sample_file": "/home/data/sample.csv",
+			"tags_file": "",
+			"columns": [{
+				"type": "SMALLINT"
+			}, {
+				"type": "BOOL"
+			}, {
+				"type": "BINARY",
+				"len": 6
+			}],
+			"tags": [{
+				"type": "INT"
+			},{
+				"type": "BINARY",
+				"len": 4
+			}]
+		}]
+	}]
+}

tests/pytest/tools/lowa.py

@@ -0,0 +1,66 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        
+        self.numberOfTables = 10000
+        self.numberOfRecords = 100
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root)-len("/build/bin")]
+                    break
+        return buildPath
+        
+    def run(self):
+        tdSql.prepare()
+        buildPath = self.getBuildPath()
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        binPath = buildPath+ "/build/bin/"
+        os.system("yes | %slowa -f tools/insert.json" % binPath)
+
+        tdSql.execute("use db01")
+        tdSql.query("select count(*) from stb01")
+        tdSql.checkData(0, 0, 100000)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/script/general/wal/maxtables.sim

@@ -0,0 +1,46 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c maxTablesPerVnode -v 100
+system sh/cfg.sh -n dnode1 -c maxVgroupsPerDb -v 1
+system sh/cfg.sh -n dnode1 -c tableIncStepPerVnode -v 2
+
+
+print ============== deploy
+system sh/exec.sh -n dnode1 -s start 
+sleep 3001
+sql connect
+
+sql create database d1
+sql use d1
+sql create table st (ts timestamp, tbcol int) TAGS(tgcol int)
+
+$i = 0
+while $i < 100
+  $tb = t . $i
+  sql create table $tb using st tags( $i )
+  sql insert into $tb values (now , $i ) 
+  $i = $i + 1
+endw 
+
+sql_error sql create table tt (ts timestamp, i int) 
+
+print ===============  step3
+sql select * from st;
+if $rows != 100 then
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/cfg.sh -n dnode1 -c maxTablesPerVnode -v 4
+sleep 3000
+
+print ===============  step4
+system sh/exec.sh -n dnode1 -s start
+sleep 3000
+
+sql select * from st;
+if $rows != 100 then
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT

tests/script/jenkins/basic.txt

@@ -238,6 +238,7 @@ cd ../../../debug; make
 
 ./test.sh -f general/wal/sync.sim
 ./test.sh -f general/wal/kill.sim
+./test.sh -f general/wal/maxtables.sim
 
 ./test.sh -f unique/account/account_create.sim
 ./test.sh -f unique/account/account_delete.sim