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Fix assertion error in sql planning for latest aggregators (#13151) 

* Fix sql planning bug for latest aggregators

* change test name

* Fix error messages

* fix error message again
This commit is contained in:
Abhishek Agarwal 2022-09-28 21:01:32 +05:30
parent cffa3bd263
commit 94e36731f9
3 changed files with 68 additions and 2 deletions
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10
sql/src/main/java/org/apache/druid/sql/calcite/aggregation/builtin/EarliestLatestAnySqlAggregator.java
View File

@ -202,12 +202,20 @@ public class EarliestLatestAnySqlAggregator implements SqlAggregator
theAggFactory = aggregatorType.createAggregatorFactory(aggregatorName, fieldName, null, outputType, -1);
break;
case 2:
int maxStringBytes;
try {
maxStringBytes = RexLiteral.intValue(rexNodes.get(1));
}
catch (AssertionError ae) {
plannerContext.setPlanningError("The second argument '%s' to function '%s' is not a number", rexNodes.get(1), aggregateCall.getName());
return null;
}
theAggFactory = aggregatorType.createAggregatorFactory(
aggregatorName,
fieldName,
null,
outputType,
RexLiteral.intValue(rexNodes.get(1))
maxStringBytes
);
break;
default:

10
sql/src/main/java/org/apache/druid/sql/calcite/aggregation/builtin/EarliestLatestBySqlAggregator.java
View File

@ -122,12 +122,20 @@ public class EarliestLatestBySqlAggregator implements SqlAggregator
);
break;
case 3:
int maxStringBytes;
try {
maxStringBytes = RexLiteral.intValue(rexNodes.get(2));
}
catch (AssertionError ae) {
plannerContext.setPlanningError("The third argument '%s' to function '%s' is not a number", rexNodes.get(2), aggregateCall.getName());
return null;
}
theAggFactory = aggregatorType.createAggregatorFactory(
aggregatorName,
fieldName,
EarliestLatestAnySqlAggregator.getColumnName(plannerContext, virtualColumnRegistry, args.get(1), rexNodes.get(1)),
outputType,
RexLiteral.intValue(rexNodes.get(2))
maxStringBytes
);
break;
default:

50
sql/src/test/java/org/apache/druid/sql/calcite/CalciteQueryTest.java
View File

@ -997,6 +997,56 @@ public class CalciteQueryTest extends BaseCalciteQueryTest
);
}
@Test
public void testStringLatestGroupByWithAlwaysFalseCondition()
{
testQuery(
"SELECT LATEST(dim4, 10),dim2 FROM numfoo WHERE (dim1 = 'something' AND dim1 IN( 'something else') ) GROUP BY dim2",
ImmutableList.of(
Druids.newScanQueryBuilder()
.dataSource(InlineDataSource.fromIterable(
ImmutableList.of(),
RowSignature.builder()
.add("EXPR$0", ColumnType.STRING)
.add("dim2", ColumnType.STRING)
.build()
))
.intervals(querySegmentSpec(Filtration.eternity()))
.columns("EXPR$0", "dim2")
.context(QUERY_CONTEXT_DEFAULT)
.resultFormat(ResultFormat.RESULT_FORMAT_COMPACTED_LIST)
.legacy(false)
.build()
),
ImmutableList.of()
);
}
@Test
public void testStringLatestByGroupByWithAlwaysFalseCondition()
{
testQuery(
"SELECT LATEST_BY(dim4, __time, 10),dim2 FROM numfoo WHERE (dim1 = 'something' AND dim1 IN( 'something else') ) GROUP BY dim2",
ImmutableList.of(
Druids.newScanQueryBuilder()
.dataSource(InlineDataSource.fromIterable(
ImmutableList.of(),
RowSignature.builder()
.add("EXPR$0", ColumnType.STRING)
.add("dim2", ColumnType.STRING)
.build()
))
.intervals(querySegmentSpec(Filtration.eternity()))
.columns("EXPR$0", "dim2")
.context(QUERY_CONTEXT_DEFAULT)
.resultFormat(ResultFormat.RESULT_FORMAT_COMPACTED_LIST)
.legacy(false)
.build()
),
ImmutableList.of()
);
}
// This test the off-heap (buffer) version of the EarliestAggregator (Double/Float/Long)
@Test
public void testPrimitiveEarliestInSubquery()