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Posted to dev@ignite.apache.org by "Roman Shtykh (JIRA)" <ji...@apache.org> on 2018/02/05 08:59:00 UTC

[jira] [Created] (IGNITE-7622) SQL: Subquery fails in non-collocated mode

Roman Shtykh created IGNITE-7622:
------------------------------------

             Summary: SQL: Subquery fails in non-collocated mode
                 Key: IGNITE-7622
                 URL: https://issues.apache.org/jira/browse/IGNITE-7622
             Project: Ignite
          Issue Type: Bug
          Components: sql
    Affects Versions: 2.3
            Reporter: Roman Shtykh
         Attachments: TPCH_Q8.java

When trying to execute query 8 from TPC-H benchmarks with a non-collocated mode, I get _java.lang.ArrayIndexOutOfBoundsException_.
{noformat}
General error: "java.lang.ArrayIndexOutOfBoundsException" [50000-195]
    at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
    at org.h2.message.DbException.get(DbException.java:168)
    at org.h2.message.DbException.convert(DbException.java:295)
    at org.h2.message.DbException.toSQLException(DbException.java:268)
    at org.h2.message.TraceObject.logAndConvert(TraceObject.java:352)
    at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:292)
    at org.apache.ignite.internal.processors.query.h2.sql.GridSqlQuerySplitter.optimize(GridSqlQuerySplitter.java:1627)
    at org.apache.ignite.internal.processors.query.h2.sql.GridSqlQuerySplitter.split(GridSqlQuerySplitter.java:236)
    at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryDistributedSqlFields(IgniteH2Indexing.java:1307)
    ... 17 more
Caused by: java.lang.ArrayIndexOutOfBoundsException
    at java.lang.System.arraycopy(Native Method)
    at org.apache.ignite.internal.processors.query.h2.opt.GridH2CollocationModel.childFilters(GridH2CollocationModel.java:227)
    at org.apache.ignite.internal.processors.query.h2.opt.GridH2CollocationModel.buildCollocationModel(GridH2CollocationModel.java:689)
    at org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase.getDistributedMultiplier(GridH2IndexBase.java:295)
    at org.apache.ignite.internal.processors.query.h2.opt.GridH2PrimaryScanIndex.getCost(GridH2PrimaryScanIndex.java:76)
    at org.h2.table.Table.getBestPlanItem(Table.java:708)
    at org.h2.table.TableFilter.getBestPlanItem(TableFilter.java:221)
    at org.h2.table.Plan.calculateCost(Plan.java:123)
    at org.h2.command.dml.Optimizer.calculateBruteForceSome(Optimizer.java:142)
    at org.h2.command.dml.Optimizer.calculateBestPlan(Optimizer.java:87)
    at org.h2.command.dml.Optimizer.optimize(Optimizer.java:244)
    at org.h2.command.dml.Select.preparePlan(Select.java:1002)
    at org.h2.command.dml.Select.prepare(Select.java:865)
    at org.h2.command.Parser.prepare(Parser.java:242)
    at org.h2.engine.Session.prepare(Session.java:538)
    at org.h2.index.ViewIndex.prepareSubQuery(ViewIndex.java:176)
    at org.h2.index.ViewIndex.getQuery(ViewIndex.java:312)
    at org.h2.index.ViewIndex.<init>(ViewIndex.java:104)
    at org.h2.table.TableView.getBestPlanItem(TableView.java:248)
    at org.h2.table.TableView.getScanIndex(TableView.java:459)
    at org.h2.table.TableFilter.getBestPlanItem(TableFilter.java:202)
    at org.h2.table.Plan.calculateCost(Plan.java:123)
    at org.h2.command.dml.Optimizer.testPlan(Optimizer.java:185)
    at org.h2.command.dml.Optimizer.calculateBestPlan(Optimizer.java:81)
    at org.h2.command.dml.Optimizer.optimize(Optimizer.java:244)
    at org.h2.command.dml.Select.preparePlan(Select.java:1002)
    at org.h2.command.dml.Select.prepare(Select.java:865)
    at org.h2.command.Parser.prepareCommand(Parser.java:262)
    at org.h2.engine.Session.prepareLocal(Session.java:573)
    at org.h2.engine.Session.prepareCommand(Session.java:514)
    at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1204)
    at org.h2.jdbc.JdbcPreparedStatement.<init>(JdbcPreparedStatement.java:73)
    at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:288)
    ... 20 more{noformat}
I realize that for such queries collocation has to be done, but it should probably produce a hint or an error with better explanations.



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