From 85f75ffac9562bf47696bcf4f4c70229b84a8cbb Mon Sep 17 00:00:00 2001
From: yihaoDeng <yhdeng@taosdata.com>
Date: Wed, 16 Jun 2021 10:11:14 +0800
Subject: [PATCH] [TD-3086]<feature> tag support timestamp

---
 src/client/src/tscSQLParser.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 75a81c2096..8d51ffc577 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -8017,7 +8017,8 @@ int32_t exprTreeFromSqlExpr(SSqlCmd* pCmd, tExprNode **pExpr, const tSqlExpr* pS
       if (pCols != NULL) {
         SColIndex* idx = taosArrayGet(pCols, 0);
         SSchema* pSchema = tscGetTableColumnSchema(pTableMeta, idx->colIndex);
-        if (pSchema != NULL && pSchema->type == TSDB_DATA_TYPE_TIMESTAMP) {
+        // convert time by precision 
+        if (pSchema != NULL && TSDB_DATA_TYPE_TIMESTAMP == pSchema->type && TSDB_DATA_TYPE_BINARY == (*pExpr)->pVal->nType) {
           ret = setColumnFilterInfoForTimestamp(pCmd, pQueryInfo, (*pExpr)->pVal);
         }
       }
-- 
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