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Posted to issues@ignite.apache.org by "Konstantin Orlov (Jira)" <ji...@apache.org> on 2022/04/28 08:14:00 UTC
[jira] [Created] (IGNITE-16906) SQL Calcite. ClassCastException when deserialising TIMESTAMP literal
Konstantin Orlov created IGNITE-16906:
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Summary: SQL Calcite. ClassCastException when deserialising TIMESTAMP literal
Key: IGNITE-16906
URL: https://issues.apache.org/jira/browse/IGNITE-16906
Project: Ignite
Issue Type: Bug
Components: sql
Affects Versions: 2.13
Reporter: Konstantin Orlov
The problem appears to be caused by an inconsistency of RelReader and RexBuilder: RelReader diserializes every integer value as a value of type Integer, but the RexBuilder assumes that for TIMESTAMP literal a value of type Long will be passed, and make the explicit cast:
{code:java}
// RexBuilder#clean(Object, RelDataType)
case TIMESTAMP:
if (o instanceof TimestampString) {
return o;
} else if (o instanceof Calendar) {
if (!((Calendar) o).getTimeZone().equals(DateTimeUtils.UTC_ZONE)) {
throw new AssertionError();
}
return TimestampString.fromCalendarFields((Calendar) o);
} else {
return TimestampString.fromMillisSinceEpoch((Long) o);
} {code}
Here is a stack trace:
{noformat}
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long
at org.apache.calcite.rex.RexBuilder.clean(RexBuilder.java:1780)
at org.apache.calcite.rex.RexBuilder.makeLiteral(RexBuilder.java:1558)
at org.apache.calcite.rex.RexBuilder.makeLiteral(RexBuilder.java:1520)
at org.apache.ignite.internal.processors.query.calcite.externalize.RelJson.toRex(RelJson.java:529)
at org.apache.ignite.internal.processors.query.calcite.externalize.RelJsonReader$RelInputImpl.getExpressionList(RelJsonReader.java:248)
at org.apache.ignite.internal.processors.query.calcite.trait.TraitUtils$1.getExpressionList(TraitUtils.java:323)
at org.apache.ignite.internal.processors.query.calcite.rel.ProjectableFilterableTableScan.<init>(ProjectableFilterableTableScan.java:87)
at org.apache.ignite.internal.processors.query.calcite.rel.IgniteTableScan.<init>(IgniteTableScan.java:46)
{noformat}
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