xiangfu0 commented on code in PR #11151:
URL: https://github.com/apache/pinot/pull/11151#discussion_r1271578406
##########
pinot-query-planner/src/test/resources/queries/JoinPlans.json:
##########
@@ -313,22 +313,78 @@
},
{
"description": "Correlated join",
- "sql": "EXPLAIN PLAN FOR SELECT a.col1 FROM a WHERE a.col4 > (SELECT
0.5 * SUM(b.col3) FROM b WHERE b.col2 = a.col2 AND b.col1 = a.col1)",
+ "sql": "EXPLAIN PLAN FOR SELECT a.col1 FROM a WHERE a.col4 > (SELECT
CAST(0.5 * SUM(b.col3) AS DECIMAL(19, 1)) FROM b WHERE b.col2 = a.col2 AND
b.col1 = a.col1)",
Review Comment:
This query failed due to a de-correlation issue for type mismatch of
`DECIMAL(19, 1)` and ``DECIMAL(21, 1)`
```
java.lang.AssertionError: Cannot add expression of different type to set:
set type is RecordType(VARCHAR NOT NULL col1, VARCHAR NOT NULL col2, INTEGER
NOT NULL col3, DECIMAL(1000, 0) NOT NULL col4, BOOLEAN NOT NULL col5, INTEGER
NOT NULL col6, BIGINT NOT NULL ts, DECIMAL(21, 1) EXPR$0) NOT NULL
expression type is RecordType(VARCHAR NOT NULL col1, VARCHAR NOT NULL col2,
INTEGER NOT NULL col3, DECIMAL(1000, 0) NOT NULL col4, BOOLEAN NOT NULL col5,
INTEGER NOT NULL col6, BIGINT NOT NULL ts, DECIMAL(19, 1) EXPR$0) NOT NULL
set is
rel#6543:LogicalCorrelate.(left=HepRelVertex#6533,right=HepRelVertex#6542,correlation=$cor0,joinType=left,requiredColumns={0,
1})
expression is LogicalProject(col1=[$0], col2=[$1], col3=[$2], col4=[$3],
col5=[$4], col6=[$5], ts=[$6], EXPR$0=[*(0.5:DECIMAL(2, 1), $7)])
LogicalCorrelate(correlation=[$cor0], joinType=[left],
requiredColumns=[{0, 1}])
LogicalTableScan(table=[[a]])
LogicalAggregate(group=[{}], agg#0=[SUM($0)])
LogicalProject(col3=[$2])
LogicalFilter(condition=[AND(=($1, $cor0.col2), =($0, $cor0.col1))])
LogicalTableScan(table=[[b]])
at
org.apache.calcite.plan.RelOptUtil.verifyTypeEquivalence(RelOptUtil.java:391)
at
org.apache.calcite.plan.hep.HepRuleCall.transformTo(HepRuleCall.java:60)
at
org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:269)
at
org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:284)
at
org.apache.calcite.sql2rel.RelDecorrelator$AdjustProjectForCountAggregateRule.onMatch2(RelDecorrelator.java:2703)
at
org.apache.calcite.sql2rel.RelDecorrelator$AdjustProjectForCountAggregateRule.onMatch(RelDecorrelator.java:2610)
at
org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:337)
at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:556)
at
org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:420)
at
org.apache.calcite.plan.hep.HepPlanner.executeRuleInstance(HepPlanner.java:243)
at
org.apache.calcite.plan.hep.HepInstruction$RuleInstance$State.execute(HepInstruction.java:178)
at
org.apache.calcite.plan.hep.HepPlanner.lambda$executeProgram$0(HepPlanner.java:211)
at
com.google.common.collect.ImmutableList.forEach(ImmutableList.java:422)
at
org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:210)
at
org.apache.calcite.plan.hep.HepProgram$State.execute(HepProgram.java:118)
at
org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:205)
at
org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:191)
at
org.apache.calcite.sql2rel.RelDecorrelator.decorrelate(RelDecorrelator.java:291)
at
org.apache.calcite.sql2rel.RelDecorrelator.decorrelateQuery(RelDecorrelator.java:230)
at
org.apache.pinot.query.QueryEnvironment.decorrelateIfNeeded(QueryEnvironment.java:282)
at
org.apache.pinot.query.QueryEnvironment.compileQuery(QueryEnvironment.java:275)
at
org.apache.pinot.query.QueryEnvironment.explainQuery(QueryEnvironment.java:202)
at
org.apache.pinot.query.QueryEnvironment.explainQuery(QueryEnvironment.java:220)
```
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