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Merge pull request #21283 from taosdata/szhou/fix-ts3400 

fix: disable table count scan optimization when filters and group by both exist
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dapan1121 2023-05-14 19:34:18 +08:00 committed by GitHub
parent bf840551a0 740c67d328
commit 35bfb81cca
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2 changed files with 11 additions and 2 deletions
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4
source/libs/planner/src/planOptimizer.c
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@ -2594,7 +2594,9 @@ static bool tbCntScanOptIsEligibleConds(STbCntScanOptInfo* pInfo, SNode* pCondit
if (NULL == pConditions) { if (NULL == pConditions) {
return true; return true;
} }
if (LIST_LENGTH(pInfo->pAgg->pGroupKeys) != 0) {
return false;
}
if (QUERY_NODE_LOGIC_CONDITION == nodeType(pConditions)) { if (QUERY_NODE_LOGIC_CONDITION == nodeType(pConditions)) {
return tbCntScanOptIsEligibleLogicCond(pInfo, (SLogicConditionNode*)pConditions); return tbCntScanOptIsEligibleLogicCond(pInfo, (SLogicConditionNode*)pConditions);
} }

9
tests/script/tsim/query/tableCount.sim
View File

@ -103,7 +103,14 @@ endi
if $data62 != 5 then if $data62 != 5 then
return -1 return -1
endi endi
sql select count(table_name) from information_schema.ins_tables where db_name='db1' and stable_name='sta' group by stable_name
print $rows , $data00
if $rows != 1 then
return -1
endi
if $data00 != 8 then
return -1
endi
sql select distinct db_name from information_schema.ins_tables; sql select distinct db_name from information_schema.ins_tables;
print $rows print $rows
if $rows != 4 then if $rows != 4 then