Igor Sapego created IGNITE-4409:
-----------------------------------
Summary: UUID fields of the key class deserialized in a wrong way
on INSERT.
Key: IGNITE-4409
URL: https://issues.apache.org/jira/browse/IGNITE-4409
Project: Ignite
Issue Type: Bug
Affects Versions: 1.8
Reporter: Igor Sapego
Fix For: 2.0
Consider the following case. There is a class which is used as Key on C++ side.
It contains 3 fields: String, Timestamp and UUID. There is also a value of the
type Integer. Record of the cache is being inserted with {{SqlFieldsQuery}}:
{noformat}
INSERT INTO Integer (str, ts, guid, _val) VALUES (?, ?, ?, ?)
{noformat}
String, Timestamp and Integer values serialized and desirialized just fine, but
UUID value is passed further just like byte array of 17 bytes, first of which
is 10 (UUID type header in Binary format), so later it gets converted here:
{noformat}
"main@1" prio=5 tid=0x1 nid=NA runnable
java.lang.Thread.State: RUNNABLE
at org.h2.value.ValueUuid.get(ValueUuid.java:68)
at org.h2.value.Value.convertTo(Value.java:861)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.convert(DmlStatementsProcessor.java:637)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.rowToKeyValue(DmlStatementsProcessor.java:868)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.doInsert(DmlStatementsProcessor.java:745)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.executeUpdateStatement(DmlStatementsProcessor.java:286)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.updateSqlFields(DmlStatementsProcessor.java:159)
at
org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor.updateSqlFieldsTwoStep(DmlStatementsProcessor.java:189)
at
org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryTwoStep(IgniteH2Indexing.java:1266)
at
org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:812)
at
org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:810)
at
org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36)
at
org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:1777)
at
org.apache.ignite.internal.processors.query.GridQueryProcessor.queryTwoStep(GridQueryProcessor.java:810)
at
org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:749)
at
org.apache.ignite.internal.processors.platform.cache.PlatformCache.runFieldsQuery(PlatformCache.java:1205)
at
org.apache.ignite.internal.processors.platform.cache.PlatformCache.processInStreamOutObject(PlatformCache.java:837)
at
org.apache.ignite.internal.processors.platform.PlatformAbstractTarget.inStreamOutObject(PlatformAbstractTarget.java:90)
{noformat}
Obviously enough, it gets deserialized wrong because of the header byte and as
a result, we get wrong key instance in the cache.
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