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From "Denis Mekhanikov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6572) Allow multiple caches use one SQL schema
Date Fri, 06 Oct 2017 14:53:01 GMT
Denis Mekhanikov created IGNITE-6572:
----------------------------------------

             Summary: Allow multiple caches use one SQL schema
                 Key: IGNITE-6572
                 URL: https://issues.apache.org/jira/browse/IGNITE-6572
             Project: Ignite
          Issue Type: Improvement
          Components: sql
            Reporter: Denis Mekhanikov


When trying to create more than one cache with the same SQL schema name, the following exception
is thrown:
{noformat}
Exception in thread "main" class org.apache.ignite.IgniteException: Schema already registered:
TEST_SCHEMA
	at org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:957)
	at org.apache.ignite.Ignition.start(Ignition.java:350)
	at org.apache.ignite.examples.repro.schema.SchemaExampleNode.main(SchemaExampleNode.java:7)
Caused by: class org.apache.ignite.IgniteCheckedException: Schema already registered: TEST_SCHEMA
	at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.registerCache(IgniteH2Indexing.java:2110)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.registerCache0(GridQueryProcessor.java:1393)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.onCacheStart0(GridQueryProcessor.java:784)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.onCacheStart(GridQueryProcessor.java:845)
	at org.apache.ignite.internal.processors.cache.GridCacheProcessor.startCache(GridCacheProcessor.java:1185)
	at org.apache.ignite.internal.processors.cache.GridCacheProcessor.prepareCacheStart(GridCacheProcessor.java:1884)
	at org.apache.ignite.internal.processors.cache.GridCacheProcessor.startCachesOnLocalJoin(GridCacheProcessor.java:1755)
	at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:619)
	at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:1901)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
	at java.lang.Thread.run(Thread.java:748)
{noformat}

It should be allowed to share schema between caches. Currently it works for PUBLIC schema
only.



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