Khurram Faraaz created DRILL-4941:
-------------------------------------
Summary: UnsupportedOperationException : CASE WHEN true or null
then 1 else 0 end
Key: DRILL-4941
URL: https://issues.apache.org/jira/browse/DRILL-4941
Project: Apache Drill
Issue Type: Bug
Components: Execution - Flow
Reporter: Khurram Faraaz
Fix For: 1.9.0
Below case expression results in UnsupportedOperationException on Drill 1.9.0
git commit ID: 4edabe7a
{noformat}
0: jdbc:drill:schema=dfs.tmp> SELECT (CASE WHEN true or null then 1 else 0 end)
from (VALUES(1));
Error: VALIDATION ERROR: class org.apache.calcite.sql.SqlLiteral: NULL
SQL Query null
[Error Id: 822ec7b0-3630-478c-b82a-0acedc39a560 on centos-01.qa.lab:31010]
(state=,code=0)
-- changing null to "not null" in the search condition causes Drill to return
results
0: jdbc:drill:schema=dfs.tmp> SELECT (CASE WHEN true or not null then 1 else 0
end) from (VALUES(1));
+---------+
| EXPR$0 |
+---------+
| 1 |
+---------+
1 row selected (0.11 seconds)
{noformat}
Stack trace from drillbit.log
{noformat}
Caused by: java.lang.UnsupportedOperationException: class
org.apache.calcite.sql.SqlLiteral: NULL
at org.apache.calcite.util.Util.needToImplement(Util.java:920)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.getValidatedNodeType(SqlValidatorImpl.java:1426)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.SqlBinaryOperator.adjustType(SqlBinaryOperator.java:103)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at org.apache.calcite.sql.SqlOperator.deriveType(SqlOperator.java:511)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.SqlBinaryOperator.deriveType(SqlBinaryOperator.java:143)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4337)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4324)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:130)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1501)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1484)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.fun.SqlCaseOperator.checkOperandTypes(SqlCaseOperator.java:178)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.SqlOperator.validateOperands(SqlOperator.java:430)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.fun.SqlCaseOperator.deriveType(SqlCaseOperator.java:164)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4337)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4324)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:130)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1501)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1484)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
at
org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:446)
~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
{noformat}
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