homework-jianmu/source/libs/planner/src/planUtil.c

37 lines
1.2 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "planInt.h"
static char* getUsageErrFormat(int32_t errCode) {
switch (errCode) {
case TSDB_CODE_PLAN_EXPECTED_TS_EQUAL:
return "left.ts = right.ts is expected in join expression";
case TSDB_CODE_PLAN_NOT_SUPPORT_CROSS_JOIN:
return "not support cross join";
default:
break;
}
return "Unknown error";
}
int32_t generateUsageErrMsg(char* pBuf, int32_t len, int32_t errCode, ...) {
va_list vArgList;
va_start(vArgList, errCode);
vsnprintf(pBuf, len, getUsageErrFormat(errCode), vArgList);
va_end(vArgList);
return errCode;
}