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[TD-6317]<fix> forbidden distinct with order by

This commit is contained in:
yihaoDeng 2021-08-24 20:27:49 +08:00
parent 7dcf682872
commit 1351b57036
1 changed files with 7 additions and 10 deletions
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17
src/client/src/tscSQLParser.c
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@ -5787,11 +5787,6 @@ static void setDefaultOrderInfo(SQueryInfo* pQueryInfo) {
if (UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
pQueryInfo->groupbyExpr.orderType = TSDB_ORDER_ASC;
}
if (pQueryInfo->distinct) {
pQueryInfo->order.order = TSDB_ORDER_ASC;
pQueryInfo->order.orderColId = PRIMARYKEY_TIMESTAMP_COL_INDEX;
}
}
int32_t validateOrderbyNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSqlNode, SSchema* pSchema) {
@ -5805,14 +5800,13 @@ int32_t validateOrderbyNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSq
const char* msg7 = "only primary timestamp/column in groupby clause allowed as order column";
const char* msg8 = "only column in groupby clause allowed as order column";
const char* msg9 = "orderby column must projected in subquery";
const char* msg10 = "not support distinct mixed with order by";
setDefaultOrderInfo(pQueryInfo);
STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
if (pQueryInfo->distinct || pSqlNode->pSortOrder == NULL) {
return TSDB_CODE_SUCCESS;
}
if (pSqlNode->pSortOrder == NULL) {
return TSDB_CODE_SUCCESS;
}
char* pMsgBuf = tscGetErrorMsgPayload(pCmd);
SArray* pSortOrder = pSqlNode->pSortOrder;
@ -5832,6 +5826,9 @@ int32_t validateOrderbyNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSq
return invalidOperationMsg(pMsgBuf, msg2);
}
}
if (size > 0 && pQueryInfo->distinct) {
return invalidOperationMsg(pMsgBuf, msg10);
}
// handle the first part of order by
tVariant* pVar = taosArrayGet(pSortOrder, 0);