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fix(quer): fix time unit parameter check 

TD-15257
This commit is contained in:
Ganlin Zhao 2022-07-01 14:12:01 +08:00
parent 2ca6c5fafd
commit f9d250781b
1 changed files with 32 additions and 0 deletions
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32
source/libs/function/src/builtins.c
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@ -1285,6 +1285,28 @@ static int32_t translateCast(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return TSDB_CODE_SUCCESS;
}
#define TIME_UNIT_INVALID 1
#define TIME_UNIT_TOO_SMALL 2
static int32_t validateTimeUnitParam(uint8_t dbPrec, const SValueNode* pVal) {
if (!pVal->isDuration) {
return TIME_UNIT_INVALID;
}
if (TSDB_TIME_PRECISION_MILLI == dbPrec && 0 == strcasecmp(pVal->literal, "1u")) {
return TIME_UNIT_TOO_SMALL;
}
if (pVal->literal[0] != '1' || (pVal->literal[1] != 'u' && pVal->literal[1] != 'a' &&
pVal->literal[1] != 's' && pVal->literal[1] != 'm' &&
pVal->literal[1] != 'h' && pVal->literal[1] != 'd' &&
pVal->literal[1] != 'w')) {
return TIME_UNIT_INVALID;
}
return TSDB_CODE_SUCCESS;
}
/* Following are valid ISO-8601 timezone format:
* 1 z/Z
* 2 ±hh:mm
@ -1527,6 +1549,16 @@ static int32_t translateTimeDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t le
//add database precision as param
uint8_t dbPrec = pFunc->node.resType.precision;
int32_t ret = validateTimeUnitParam(dbPrec, (SValueNode *)nodesListGetNode(pFunc->pParameterList, 2));
if (ret == TIME_UNIT_TOO_SMALL) {
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
"TIMEDIFF function time unit parameter should be greater than db precision");
} else if (ret == TIME_UNIT_INVALID) {
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
"TIMEDIFF function time unit parameter should be one of the following: [1u, 1a, 1s, 1m, 1h, 1d, 1w]");
}
addDbPrecisonParam(&pFunc->pParameterList, dbPrec);
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};