From 75ca521a8618defa6e68260d4de896bc3132fb62 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 26 May 2021 11:00:29 +0800
Subject: [PATCH] [td-225] add log for debug purpose

---
 src/client/src/tscParseInsert.c | 11 ++++-------
 src/client/src/tscServer.c      |  2 +-
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index f09ca351ff..24031c8ce2 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -1348,15 +1348,10 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
     }
 
     // make a backup as tsParseInsertSql may modify the string
-    char* sqlstr = strdup(pSql->sqlstr);
     ret = tsParseInsertSql(pSql);
-    if ((sqlstr == NULL) || (pSql->parseRetry >= 1) ||
-        (ret != TSDB_CODE_TSC_SQL_SYNTAX_ERROR && ret != TSDB_CODE_TSC_INVALID_SQL)) {
-      free(sqlstr);
+    if ((pSql->parseRetry >= 1) || (ret != TSDB_CODE_TSC_SQL_SYNTAX_ERROR && ret != TSDB_CODE_TSC_INVALID_SQL)) {
     } else {
       tscResetSqlCmd(pCmd, true);
-      free(pSql->sqlstr);
-      pSql->sqlstr = sqlstr;
       pSql->parseRetry++;
       if ((ret = tsInsertInitialCheck(pSql)) == TSDB_CODE_SUCCESS) {
         ret = tsParseInsertSql(pSql);
@@ -1365,9 +1360,11 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
   } else {
     SSqlInfo SQLInfo = qSqlParse(pSql->sqlstr);
     ret = tscToSQLCmd(pSql, &SQLInfo);
-    if (ret == TSDB_CODE_TSC_INVALID_SQL && pSql->parseRetry == 0 && SQLInfo.type == TSDB_SQL_NULL) {
+    if (ret == TSDB_CODE_TSC_INVALID_SQL && pSql->parseRetry == 0/* && SQLInfo.type == TSDB_SQL_NULL*/) {
+      tscDebug("0x%"PRIx64 " parse sql failed, retry again after clear local meta cache", pSql->self);
       tscResetSqlCmd(pCmd, true);
       pSql->parseRetry++;
+
       ret = tscToSQLCmd(pSql, &SQLInfo);
     }
 
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 648b95180e..3f47cdba1f 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2517,7 +2517,7 @@ static int32_t getTableMetaFromMnode(SSqlObj *pSql, STableMetaInfo *pTableMetaIn
   pNew->fp = tscTableMetaCallBack;
   pNew->param = (void *)pSql->self;
 
-  tscDebug("0x%"PRIx64" metaRid from %" PRId64 " to %" PRId64 , pSql->self, pSql->metaRid, pNew->self);
+  tscDebug("0x%"PRIx64" metaRid from %" PRId64 " to 0x%" PRIx64 , pSql->self, pSql->metaRid, pNew->self);
   
   pSql->metaRid = pNew->self;