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[td-1720]

This commit is contained in:
Haojun Liao 2020-10-16 23:22:42 +08:00
parent adb8b05129
commit 15b2e41d7a
2 changed files with 16 additions and 13 deletions
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10
src/client/src/tscLocalMerge.c
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@ -573,7 +573,14 @@ static int32_t createOrderDescriptor(tOrderDescriptor **pOrderDesc, SSqlCmd *pCm
// the first column is the timestamp, handles queries like "interval(10m) group by tags"
orderColIndexList[numOfGroupByCols - 1] = PRIMARYKEY_TIMESTAMP_COL_INDEX; //TODO ???
}
} else { // it is the orderby ts asc/desc projection query for super table
} else {
/*
* 1. the orderby ts asc/desc projection query for the super table
* 2. interval query without groupby clause
*/
if (pQueryInfo->interval.interval != 0) {
orderColIndexList[0] = PRIMARYKEY_TIMESTAMP_COL_INDEX;
} else {
size_t size = tscSqlExprNumOfExprs(pQueryInfo);
for (int32_t i = 0; i < size; ++i) {
SSqlExpr *pExpr = tscSqlExprGet(pQueryInfo, i);
@ -581,6 +588,7 @@ static int32_t createOrderDescriptor(tOrderDescriptor **pOrderDesc, SSqlCmd *pCm
orderColIndexList[0] = i;
}
}
}
assert(pQueryInfo->order.orderColId == PRIMARYKEY_TIMESTAMP_COL_INDEX);
}

5
src/client/src/tscSQLParser.c
View File

@ -4384,15 +4384,10 @@ int32_t parseFillClause(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SQuerySQL* pQuery
static void setDefaultOrderInfo(SQueryInfo* pQueryInfo) {
/* set default timestamp order information for all queries */
pQueryInfo->order.order = TSDB_ORDER_ASC;
STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
if (isTopBottomQuery(pQueryInfo)) {
pQueryInfo->order.order = TSDB_ORDER_ASC;
pQueryInfo->order.orderColId = PRIMARYKEY_TIMESTAMP_COL_INDEX;
} else {
pQueryInfo->order.orderColId = -1;
}
/* for super table query, set default ascending order for group output */
if (UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {