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Merge pull request #7559 from taosdata/fix/TD-6317 

[TD-6317]<fix> forbidden distinct with order by
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dapan1121 2021-08-25 09:50:45 +08:00 committed by GitHub
parent 3561eff87a 87d54c1765
commit dcc7563105
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 5 deletions
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12
src/client/src/tscSQLParser.c
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@ -5809,14 +5809,13 @@ 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;
@ -5836,6 +5835,9 @@ 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);