Valentin Kulichenko created IGNITE-1886: -------------------------------------------
Summary: NPE in H2 when running query with subselects Key: IGNITE-1886 URL: https://issues.apache.org/jira/browse/IGNITE-1886 Project: Ignite Issue Type: Bug Components: cache Reporter: Valentin Kulichenko Priority: Critical Fix For: 1.5 Test reproducing the issue is attached. NPE is thrown as a result (see below). Corresponding user@ thread: http://apache-ignite-users.70518.x6.nabble.com/Does-Ignite-support-nested-SQL-Queries-td1714.html {noformat} Exception in thread "main" javax.cache.CacheException: class org.apache.ignite.IgniteException: Failed to parse query: SELECT a.* FROM (SELECT CASE WHEN u.id < 100 THEN u.id ELSE ug.id END id FROM "UserCache".user u, userorder ug WHERE u.id = ug.usrid) a, (SELECT CASE WHEN og.goodid < 5 THEN 100 ELSE og.goodid END id FROM userorder ug, "OrderGoodCache".ordergood og WHERE ug.id = og.orderid) b WHERE a.id = b.id at org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:636) at org.apache.ignite.examples.ExampleNodeStartup.main(ExampleNodeStartup.java:70) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) Caused by: class org.apache.ignite.IgniteException: Failed to parse query: SELECT a.* FROM (SELECT CASE WHEN u.id < 100 THEN u.id ELSE ug.id END id FROM "UserCache".user u, userorder ug WHERE u.id = ug.usrid) a, (SELECT CASE WHEN og.goodid < 5 THEN 100 ELSE og.goodid END id FROM userorder ug, "OrderGoodCache".ordergood og WHERE ug.id = og.orderid) b WHERE a.id = b.id at org.apache.ignite.internal.processors.query.GridQueryProcessor.queryTwoStep(GridQueryProcessor.java:641) at org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:627) ... 6 more Caused by: class org.apache.ignite.IgniteCheckedException: Failed to parse query: SELECT a.* FROM (SELECT CASE WHEN u.id < 100 THEN u.id ELSE ug.id END id FROM "UserCache".user u, userorder ug WHERE u.id = ug.usrid) a, (SELECT CASE WHEN og.goodid < 5 THEN 100 ELSE og.goodid END id FROM userorder ug, "OrderGoodCache".ordergood og WHERE ug.id = og.orderid) b WHERE a.id = b.id at org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:1510) at org.apache.ignite.internal.processors.query.GridQueryProcessor.queryTwoStep(GridQueryProcessor.java:634) ... 7 more Caused by: javax.cache.CacheException: Failed to parse query: SELECT a.* FROM (SELECT CASE WHEN u.id < 100 THEN u.id ELSE ug.id END id FROM "UserCache".user u, userorder ug WHERE u.id = ug.usrid) a, (SELECT CASE WHEN og.goodid < 5 THEN 100 ELSE og.goodid END id FROM userorder ug, "OrderGoodCache".ordergood og WHERE ug.id = og.orderid) b WHERE a.id = b.id at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryTwoStep(IgniteH2Indexing.java:938) at org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:636) at org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:634) at org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36) at org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:1492) ... 8 more Caused by: org.h2.jdbc.JdbcSQLException: General error: "java.lang.NullPointerException" [50000-175] at org.h2.message.DbException.getJdbcSQLException(DbException.java:332) at org.h2.message.DbException.get(DbException.java:161) at org.h2.message.DbException.convert(DbException.java:284) at org.h2.message.DbException.toSQLException(DbException.java:257) at org.h2.message.TraceObject.logAndConvert(TraceObject.java:368) at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:270) at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryTwoStep(IgniteH2Indexing.java:935) ... 12 more Caused by: java.lang.NullPointerException at org.h2.expression.Function.getCost(Function.java:2391) at org.h2.expression.Comparison.getCost(Comparison.java:480) at org.h2.expression.ConditionAndOr.optimize(ConditionAndOr.java:133) at org.h2.expression.ConditionAndOr.optimize(ConditionAndOr.java:131) at org.h2.command.dml.Select.prepare(Select.java:813) at org.h2.command.Parser.prepare(Parser.java:220) at org.h2.engine.Session.prepare(Session.java:403) at org.h2.index.ViewIndex.getCost(ViewIndex.java:159) at org.h2.table.TableView.getBestPlanItem(TableView.java:210) at org.h2.table.TableFilter.getBestPlanItem(TableFilter.java:184) at org.h2.table.Plan.calculateCost(Plan.java:111) at org.h2.command.dml.Optimizer.testPlan(Optimizer.java:177) at org.h2.command.dml.Optimizer.calculateBruteForceAll(Optimizer.java:106) at org.h2.command.dml.Optimizer.calculateBestPlan(Optimizer.java:83) at org.h2.command.dml.Optimizer.optimize(Optimizer.java:230) at org.h2.command.dml.Select.preparePlan(Select.java:933) at org.h2.command.dml.Select.prepare(Select.java:834) at org.h2.command.Parser.prepareCommand(Parser.java:240) at org.h2.engine.Session.prepareLocal(Session.java:436) at org.h2.engine.Session.prepareCommand(Session.java:379) at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1138) at org.h2.jdbc.JdbcPreparedStatement.<init>(JdbcPreparedStatement.java:70) at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:267) ... 13 more {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)