Feature/sangshuduo/td 5875 taosdemo ue improve (#7614)

* [TD-5875]<featur>: taosdemo show progress

* empty commit for CI

* better msg for create child table.

src/kit/taosdemo/taosdemo.c

@@ -102,6 +102,7 @@ extern char configDir[];
 #define NOTE_BUFF_LEN           (SMALL_BUFF_LEN*16)
 
 #define DEFAULT_TIMESTAMP_STEP  1
+#define DEFAULT_CHILDTABLES     10000
 
 
 enum TEST_MODE {
@@ -625,7 +626,7 @@ SArguments g_args = {
     0,               // interlace_rows;
     30000,           // num_of_RPR
     (1024*1024),     // max_sql_len
-    10000,           // num_of_tables
+    DEFAULT_CHILDTABLES,    // num_of_tables
     10000,           // num_of_DPT
     0,               // abort
     0,               // disorderRatio
@@ -9143,6 +9144,7 @@ static void testCmdLine() {
     }
 
     g_args.test_mode = INSERT_TEST;
+    g_totalChildTables = DEFAULT_CHILDTABLES;
     insertTestProcess();
 
     if (false == g_Dbs.insert_only)