Hello Dmitry,
At first glance, it looks like a regression. Could you please create a Jira
ticket (ideally with a unit test that runs fine 1.30 but fails in 1.31)?
Best,
Ruben
On Fri, Aug 12, 2022 at 2:48 PM Dmitry Sysolyatin <dm.sysolya...@gmail.com>
wrote:
> Hi!
> I have a problem with char data type after upgrading from 1.30 to 1.31. I
> tried to execute a simple query "SELECT c.relkind FROM pg_catalog.pg_class
> c" (relkind is JavaType(char) NOT NULL) and got an exception:
>
> Unable to implement EnumerableCalc(expr#0..32=[{inputs}], relkind=[$t16]):
> rowcount = 100.0, cumulative cost = {200.0 rows, 3501.0 cpu, 0.0 io}, id =
> 28
> EnumerableTableScan(table=[[default, pg_catalog, pg_class]]): rowcount =
> 100.0, cumulative cost = {100.0 rows, 101.0 cpu, 0.0 io}, id = 19
>
> Suppressed: java.lang.RuntimeException: while resolving method
> 'toChar[class java.lang.Object]' in class class
> org.apache.calcite.runtime.SqlFunctions
> at org.apache.calcite.linq4j.tree.Types.lookupMethod(Types.java:318)
> at org.apache.calcite.linq4j.tree.Expressions.call(Expressions.java:448)
> at org.apache.calcite.linq4j.tree.Expressions.call(Expressions.java:460)
>
> Queries with char literal work OK: "SELECT 'r';"
> Does someone have an idea what can be wrong ?
>
