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

src/client/src/tscSQLParser.c

@@ -4784,9 +4784,9 @@ static int32_t validateSQLExprItem(SSqlCmd* pCmd, tSqlExpr* pExpr,
     }
 
     //now allowing now +/- value in select expr
-    if (pExpr->tokenId == TK_TIMESTAMP) {
-      return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg3);
-    }
+    //if (pExpr->tokenId == TK_TIMESTAMP) {
+    //  return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg3);
+    //}
 
     if (pExpr->type == SQL_NODE_VALUE) {
       *type = SQLEXPR_TYPE_VALUE;

src/common/src/tarithoperator.c

@@ -176,6 +176,8 @@ _arithmetic_getVectorValueAddr_fn_t getVectorValueAddrFn(int32_t srcType) {
         p = getVectorValueAddr_FLOAT;
     }else if(srcType==TSDB_DATA_TYPE_DOUBLE) {
         p = getVectorValueAddr_DOUBLE;
+    }else if(srcType==TSDB_DATA_TYPE_TIMESTAMP) {
+        p = getVectorValueAddr_BIGINT;
     }else {
         assert(0);
     }

src/inc/ttype.h

@@ -207,7 +207,7 @@ typedef struct {
 #define IS_UNSIGNED_NUMERIC_TYPE(_t) ((_t) >= TSDB_DATA_TYPE_UTINYINT && (_t) <= TSDB_DATA_TYPE_UBIGINT)
 #define IS_FLOAT_TYPE(_t)            ((_t) == TSDB_DATA_TYPE_FLOAT || (_t) == TSDB_DATA_TYPE_DOUBLE)
 
-#define IS_NUMERIC_TYPE(_t) ((IS_SIGNED_NUMERIC_TYPE(_t)) || (IS_UNSIGNED_NUMERIC_TYPE(_t)) || (IS_FLOAT_TYPE(_t)))
+#define IS_NUMERIC_TYPE(_t) ((IS_SIGNED_NUMERIC_TYPE(_t)) || (IS_UNSIGNED_NUMERIC_TYPE(_t)) || (IS_FLOAT_TYPE(_t)) || (_t) == TSDB_DATA_TYPE_TIMESTAMP)
 
 #define IS_VALID_TINYINT(_t)    ((_t) > INT8_MIN  && (_t) <= INT8_MAX)
 #define IS_VALID_SMALLINT(_t)   ((_t) > INT16_MIN && (_t) <= INT16_MAX)