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https://issues.apache.org/jira/browse/IGNITE-10414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766121#comment-16766121
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Pavel Kuznetsov commented on IGNITE-10414:
------------------------------------------
Because of that, we used to lookup for existing table and found nothing (search
by schema.table_name is case sensitive, and we don't normalize schema in that
place) then, we tried to create new one, but we couldn't: there is existing
QueryEntity (which we could find because of name normalization in that place).
> IF NOT EXISTS in CREATE TABLE doesn't work
> ------------------------------------------
>
> Key: IGNITE-10414
> URL: https://issues.apache.org/jira/browse/IGNITE-10414
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Affects Versions: 2.4, 2.6, 2.7
> Reporter: Evgenii Zhuravlev
> Assignee: Pavel Kuznetsov
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Reproducer:
>
> {code:java}
> Ignite ignite = Ignition.start();
> ignite.getOrCreateCache("test").query(new SqlFieldsQuery("CREATE
> TABLE IF NOT EXISTS City(id LONG PRIMARY KEY,"
> + " name VARCHAR) WITH \"template=replicated\""));
> ignite.getOrCreateCache("test").query(new SqlFieldsQuery("CREATE
> TABLE IF NOT EXISTS City(id LONG PRIMARY KEY,"
> + " name VARCHAR) WITH \"template=replicated\""));
> {code}
> Error:
> {code:java}
> (err) DDL operation failureSchemaOperationException [code=3, msg=Table
> already exists: CITY]
> at
> org.apache.ignite.internal.processors.query.QueryUtils.checkQueryEntityConflicts(QueryUtils.java:1214)
> at
> org.apache.ignite.internal.processors.query.h2.ddl.DdlStatementsProcessor.runDdlStatement(DdlStatementsProcessor.java:351)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.doRunPrepared(IgniteH2Indexing.java:1981)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.querySqlFields(IgniteH2Indexing.java:1896)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2174)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2169)
> at
> org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:2677)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.lambda$querySqlFields$0(GridQueryProcessor.java:2183)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuerySafe(GridQueryProcessor.java:2203)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2164)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2125)
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.query(IgniteCacheProxyImpl.java:685)
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.query(IgniteCacheProxyImpl.java:636)
> at
> org.apache.ignite.internal.processors.cache.GatewayProtectedCacheProxy.query(GatewayProtectedCacheProxy.java:388)
> at
> org.apache.ignite.examples.ExampleNodeStartup.main(ExampleNodeStartup.java:40)
> Exception in thread "main" javax.cache.CacheException: Table already exists:
> CITY
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.query(IgniteCacheProxyImpl.java:697)
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.query(IgniteCacheProxyImpl.java:636)
> at
> org.apache.ignite.internal.processors.cache.GatewayProtectedCacheProxy.query(GatewayProtectedCacheProxy.java:388)
> at
> org.apache.ignite.examples.ExampleNodeStartup.main(ExampleNodeStartup.java:40)
> Caused by: class
> org.apache.ignite.internal.processors.query.IgniteSQLException: Table already
> exists: CITY
> at
> org.apache.ignite.internal.processors.query.h2.ddl.DdlStatementsProcessor.convert(DdlStatementsProcessor.java:642)
> at
> org.apache.ignite.internal.processors.query.h2.ddl.DdlStatementsProcessor.runDdlStatement(DdlStatementsProcessor.java:503)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.doRunPrepared(IgniteH2Indexing.java:1981)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.querySqlFields(IgniteH2Indexing.java:1896)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2174)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2169)
> at
> org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:2677)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.lambda$querySqlFields$0(GridQueryProcessor.java:2183)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuerySafe(GridQueryProcessor.java:2203)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2164)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2125)
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.query(IgniteCacheProxyImpl.java:685)
> ... 3 more
> {code}
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