[fix](nereids)subquery unnesting get wrong result if correlated conjuncts is not slot_a = slot_b#37644
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starocean999 merged 5 commits intoapache:masterfrom Jul 17, 2024
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TPC-H: Total hot run time: 40164 ms |
TPC-DS: Total hot run time: 174237 ms |
ClickBench: Total hot run time: 30.47 s |
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TPC-H: Total hot run time: 40233 ms |
TPC-DS: Total hot run time: 172484 ms |
ClickBench: Total hot run time: 30.58 s |
morrySnow
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| newAggOutput.addAll(newGroupby.stream().map(expression -> { | ||
| if (expression instanceof Slot) { | ||
| return (NamedExpression) expression; | ||
| } else { | ||
| Alias alias = new Alias(expression); | ||
| unCorrelatedExprToSlot.put(expression, alias.toSlot()); | ||
| return alias; | ||
| } | ||
| }).collect(ImmutableList.toImmutableList())); |
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TPC-H: Total hot run time: 40013 ms |
TPC-DS: Total hot run time: 174594 ms |
ClickBench: Total hot run time: 30.83 s |
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TPC-H: Total hot run time: 40208 ms |
TPC-DS: Total hot run time: 173244 ms |
ClickBench: Total hot run time: 30.56 s |
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TPC-H: Total hot run time: 39864 ms |
TPC-DS: Total hot run time: 173195 ms |
ClickBench: Total hot run time: 30.53 s |
morrySnow
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englefly
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dataroaring
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…ncts is not slot_a = slot_b (#37644) sql: `select * from t1 where t1.c1 < (select max(t2.c1) from t2 where t1.c2 = abs(t2.c2));` before this pr, we would use the equivalent sql as bellow, which is wrong `select t1.* from t1 semi join ( select t2.c2 as c2, max(t2.c1) as c1 from t2 group by t2.c ) tx on t1.c1 < tx.c1 and t1.c2 = tx.c2;` the pr fix the problem and get the correct one as: `select t1.* from t1 semi join ( select abs(t2.c2) as c2, max(t2.c1) as c1 from t2 group by abs(t2.c) ) tx on t1.c1 < tx.c1 and t1.c2 = tx.c2;`
mongo360
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Aug 16, 2024
…ncts is not slot_a = slot_b (apache#37644) (apache#37684) pick from master apache#37644
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sql:
select * from t1 where t1.c1 < (select max(t2.c1) from t2 where t1.c2 = abs(t2.c2));before this pr, we would use the equivalent sql as bellow, which is wrong
select t1.* from t1 semi join ( select t2.c2 as c2, max(t2.c1) as c1 from t2 group by t2.c ) tx on t1.c1 < tx.c1 and t1.c2 = tx.c2;the pr fix the problem and get the correct one as:
select t1.* from t1 semi join ( select abs(t2.c2) as c2, max(t2.c1) as c1 from t2 group by abs(t2.c) ) tx on t1.c1 < tx.c1 and t1.c2 = tx.c2;Proposed changes
Issue Number: close #xxx