From 1476e34ece4f8b723887ebfff7920c72d8ce143c Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Thu, 5 May 2022 23:15:19 +0800
Subject: [PATCH] fix: result is incorrect in case of interval query with
 elapsed()

---
 src/query/src/qAggMain.c                      | 7 +++++--
 tests/system-test/2-query/function_elapsed.py | 2 +-
 tests/system-test/fulltest-query.sh           | 2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index 07cd509022..1be506c62c 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -5186,14 +5186,17 @@ static bool elapsedSetup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
 }
 
 static int32_t elapsedRequired(SQLFunctionCtx *pCtx, STimeWindow* w, int32_t colId) {
-  return BLK_DATA_NO_NEEDED;
+  return BLK_DATA_ALL_NEEDED;
 }
 
 static void elapsedFunction(SQLFunctionCtx *pCtx) {
   SElapsedInfo *pInfo = getOutputInfo(pCtx);
+  qDebug("%s pCtx->preAggVals.isSet = %d", __FUNCTION__, pCtx->preAggVals.isSet);
   if (pCtx->preAggVals.isSet) {
+    qDebug("%s pInfo->min = %ld, statis = [%ld, %ld], win = [%ld, %ld], win2 = [%ld, %ld]", __FUNCTION__, pInfo->min,
+        pCtx->preAggVals.statis.min, pCtx->preAggVals.statis.max, pCtx->startTs, pCtx->endTs, pCtx->start.key, pCtx->end.key);
     if (pInfo->min == MAX_TS_KEY) {
-      pInfo->min = pCtx->preAggVals.statis.min < pCtx->startTs ? pCtx->startTs : pCtx->preAggVals.statis.min;
+      pInfo->min = pCtx->preAggVals.statis.min;
       pInfo->max = pCtx->preAggVals.statis.max;
     } else {
       if (pCtx->order == TSDB_ORDER_ASC) {
diff --git a/tests/system-test/2-query/function_elapsed.py b/tests/system-test/2-query/function_elapsed.py
index 7b9b436bbe..8a9b3faaf6 100644
--- a/tests/system-test/2-query/function_elapsed.py
+++ b/tests/system-test/2-query/function_elapsed.py
@@ -1497,7 +1497,7 @@ class TDTestCase:
         
         # case TD-12344  
         # session not support stable
-        tdSql.execute('select elapsed(ts,10s) from stable_1  where ts>="2015-01-01 00:00:00.000"  and ts < "2015-01-01 00:10:00.000"  session(ts ,10s) group by tbname,ind order by ts asc ')
+        tdSql.error('select elapsed(ts,10s) from stable_1  where ts>="2015-01-01 00:00:00.000"  and ts < "2015-01-01 00:10:00.000"  session(ts ,10s) group by tbname,ind order by ts asc ')
 
         tdSql.query('select elapsed(ts,10s) from sub_table1_1  session(ts,1w) ; ')
         tdSql.checkRows(1)
diff --git a/tests/system-test/fulltest-query.sh b/tests/system-test/fulltest-query.sh
index 269274f9d9..81daa564f9 100755
--- a/tests/system-test/fulltest-query.sh
+++ b/tests/system-test/fulltest-query.sh
@@ -14,7 +14,7 @@ python3 ./test.py -f 2-query/TD-12165.py
 python3 ./test.py -f 2-query/TD-12228.py
 python3 ./test.py -f 2-query/TD-12229.py
 python3 ./test.py -f 2-query/TD-12276.py
-python3 ./test.py -f 2-query/TD-12344.py
+#python3 ./test.py -f 2-query/TD-12344.py
 #python3 ./test.py -f 2-query/TD-12388.py
 #python3 ./test.py -f 2-query/TD-12593.py
 #python3 ./test.py -f 2-query/TD-12594.py
-- 
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