[TD-11220]<feature>(query): time related functions

src/client/src/tscSQLParser.c

@@ -5438,21 +5438,6 @@ int32_t getQueryCondExpr(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, tSqlExpr** pExpr
     goto err_ret;
   }
 
-  //for now(),today() function used in where clause.
-  if (pRight->tokenId == TK_ID && (strncmp(pRight->exprToken.z, "now()", pRight->exprToken.n) == 0 ||
-                                   strncmp(pRight->exprToken.z, "today()", pRight->exprToken.n) == 0)) {
-    pRight->type = SQL_NODE_VALUE;
-    pRight->tokenId = TK_TIMESTAMP;
-    pRight->exprToken.type = TSDB_DATA_TYPE_TIMESTAMP;
-    if (strncmp(pRight->exprToken.z, "now()", pRight->exprToken.n) == 0) {
-      tVariantCreateExt(&pRight->value, &pRight->exprToken, TK_NOW, false);
-    } else {
-      tVariantCreateExt(&pRight->value, &pRight->exprToken, TK_TODAY, false);
-    }
-    pRight->value.nType = TSDB_DATA_TYPE_BIGINT;
-    pRight->flags |= 1 << EXPR_FLAG_NS_TIMESTAMP;
-  }
-
   ret = handleExprInQueryCond(pCmd, pQueryInfo, pExpr, pCondExpr, type, tbIdx, parentOptr, columnExpr, tsExpr, joinQuery);
   if (ret) {
     goto err_ret;

src/query/src/qSqlParser.c

@@ -33,6 +33,7 @@ SSqlInfo qSqlParse(const char *pStr) {
   sqlInfo.funcs = taosArrayInit(4, sizeof(SStrToken));
 
   int32_t i = 0;
+  bool inWhere = false;
   while (1) {
     SStrToken t0 = {0};
 
@@ -68,11 +69,23 @@ SSqlInfo qSqlParse(const char *pStr) {
         sqlInfo.valid = false;
         goto abort_parse;
       }
+      case TK_WHERE:{
+        inWhere = true;
+        Parse(pParser, t0.type, t0, &sqlInfo);
+        if (sqlInfo.valid == false) {
+          goto abort_parse;
+        }
+        break;
+      }
       case TK_NOW:
       case TK_TODAY: {
-        //for now(),today() function used in select clause
+        //for now(),today() function used in select/where clause
         if (pStr[i] == '(' && pStr[i + 1] == ')') {
-          t0.type = TK_ID;
+          if (!inWhere) {
+            t0.type = TK_ID;
+          } else {
+            i += 2;
+          }
         }
       }
       default: