[jira] [Created] (CALCITE-3332) Query failed with AssertionError: cannot cast null as class java.math.BigDecimal

["Feng Zhu (Jira)" <ji...@apache.org>]

Feng Zhu created CALCITE-3332:
---------------------------------

             Summary: Query failed with AssertionError: cannot cast null as class java.math.BigDecimal
                 Key: CALCITE-3332
                 URL: https://issues.apache.org/jira/browse/CALCITE-3332
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.21.0
            Reporter: Feng Zhu


The problem can be reproduced by the following test case in ReflectiveSchemaTest
{code:java}
@Test public void testDivideNull() {
   final CalciteAssert.AssertThat with =
   CalciteAssert.that().withSchema("s", CATCHALL);
   with.query("select \"wrapperLong\" / null as c\n"
          + " from \"s\".\"everyTypes\"")
   .runs();
}{code}
The stacktrace is

 
{code:java}
java.lang.AssertionError: cannot cast null as class java.math.BigDecimal
at org.apache.calcite.sql.SqlLiteral.getValueAs(SqlLiteral.java:351)
 at org.apache.calcite.sql.SqlCallBinding.getOperandLiteralValue(SqlCallBinding.java:217)
 at org.apache.calcite.sql.SqlBinaryOperator.getMonotonicity(SqlBinaryOperator.java:190)
 at org.apache.calcite.sql.SqlCall.getMonotonicity(SqlCall.java:182)
 at org.apache.calcite.sql.SqlCallBinding.getOperandMonotonicity(SqlCallBinding.java:188)
 at org.apache.calcite.sql.SqlAsOperator.getMonotonicity(SqlAsOperator.java:139)
 at org.apache.calcite.sql.SqlCall.getMonotonicity(SqlCall.java:182)
 at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectList(SqlToRelConverter.java:3961)
 at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:670)
 at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:627)
 at org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3180)
 at org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:563)
{code}
When SqlBinaryOperator figuring out its {{Monotonicity}}, if the second operand is a Literal, it will cast the literal into BigDecimal. But the {{Null}} Literal can not be properly handled.



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