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https://issues.apache.org/jira/browse/IGNITE-4340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Paschenko reassigned IGNITE-4340:
-------------------------------------------

    Assignee: Alexander Paschenko  (was: Sergi Vladykin)

> Implicitly cast new column values to expected types on SQL UPDATE
> -----------------------------------------------------------------
>
>                 Key: IGNITE-4340
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4340
>             Project: Ignite
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.8
>            Reporter: Alexander Paschenko
>            Assignee: Alexander Paschenko
>             Fix For: 1.8
>
>
> When the following query is run,
> {code:sql}
> update AllTypes set longCol = 1 where _key = ?
> {code}
> it fails with exception
> {noformat}
> Suppressed: java.lang.ClassCastException: java.lang.Integer cannot be cast to 
> java.lang.Long
>                       at 
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing$RowDescriptor.wrap(IgniteH2Indexing.java:2960)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2AbstractKeyValueRow.getValue(GridH2AbstractKeyValueRow.java:316)
>                       at 
> org.h2.index.BaseIndex.compareRows(BaseIndex.java:294)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2TreeIndex$2.compare(GridH2TreeIndex.java:103)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2TreeIndex$2.compare(GridH2TreeIndex.java:95)
>                       at 
> java.util.concurrent.ConcurrentSkipListMap$ComparableUsingComparator.compareTo(ConcurrentSkipListMap.java:647)
>                       at 
> java.util.concurrent.ConcurrentSkipListMap.findPredecessor(ConcurrentSkipListMap.java:727)
>                       at 
> java.util.concurrent.ConcurrentSkipListMap.doPut(ConcurrentSkipListMap.java:850)
>                       at 
> java.util.concurrent.ConcurrentSkipListMap.put(ConcurrentSkipListMap.java:1645)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2TreeIndex.put(GridH2TreeIndex.java:362)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2Table.doUpdate(GridH2Table.java:566)
>                       at 
> org.apache.ignite.internal.processors.query.h2.opt.GridH2Table.update(GridH2Table.java:495)
>                       at 
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.store(IgniteH2Indexing.java:603)
>                       at 
> org.apache.ignite.internal.processors.query.GridQueryProcessor.store(GridQueryProcessor.java:737)
>                       at 
> org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager.store(GridCacheQueryManager.java:431)
>                       at 
> org.apache.ignite.internal.processors.cache.GridCacheMapEntry.updateIndex(GridCacheMapEntry.java:4019)
>                       at 
> org.apache.ignite.internal.processors.cache.GridCacheMapEntry.innerUpdate(GridCacheMapEntry.java:2458)
>                       at 
> org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.updateSingle(GridDhtAtomicCache.java:2385)
>                       at 
> org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.updateAllAsyncInternal0(GridDhtAtomicCache.java:1787)
> {noformat}
> It's due to that UPDATE's SELECT part selects 1 as int, and that's what we're 
> setting to field. Problem can be solved by casting SELECTed values to the 
> types that columns expect.



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