Jesus Camacho Rodriguez created HIVE-12344:
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Summary: Wrong types inferred for SemiJoin generation in CBO
Key: HIVE-12344
URL: https://issues.apache.org/jira/browse/HIVE-12344
Project: Hive
Issue Type: Bug
Components: CBO
Affects Versions: 1.3.0, 2.0.0
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
The method {{projectNonColumnEquiConditions}} in HiveCalciteUtil will assign
the type wrongly for newly created conditions. The problem is in this block:
{noformat}
RexNode cond = rexBuilder.makeCall(SqlStdOperatorTable.EQUALS,
rexBuilder.makeInputRef(newLeftFields.get(i).getType(), newLeftOffset
+ i),
rexBuilder.makeInputRef(newLeftFields.get(i).getType(),
newRightOffset + i));
{noformat}
It looks like a code copy-paste mistake. In addition, index {{i}} is incorrect,
as newLeftFields contains all the fields, not only the ones of the new
condition.
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