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Posted to issues@calcite.apache.org by "Viktor Batytskyi (JIRA)" <ji...@apache.org> on 2016/09/27 12:10:20 UTC
[jira] [Updated] (CALCITE-1388) Error during RelNode to sql string
conversion
[ https://issues.apache.org/jira/browse/CALCITE-1388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Viktor Batytskyi updated CALCITE-1388:
--------------------------------------
Summary: Error during RelNode to sql string conversion (was: Error during RelNode to sql conversion)
> Error during RelNode to sql string conversion
> ---------------------------------------------
>
> Key: CALCITE-1388
> URL: https://issues.apache.org/jira/browse/CALCITE-1388
> Project: Calcite
> Issue Type: Bug
> Components: core
> Environment: Oracle JDK 1.8
> Reporter: Viktor Batytskyi
> Assignee: Julian Hyde
>
> The following query contains ROLLUP operator in GROUP BY clause.
> {code:sql}
> SELECT player_id, video_id, SUM(clicks)
> FROM Table
> GROUP BY ROLLUP((player_id, video_id))
> {code}
> After the sql string is parsed and validated by executing:
> {code}
> val planner = Frameworks.getPlanner(config)
> val sqlNode = planner.parse(mockedSql)
> val validatedSql = planner.validate(sqlNode)
> val relExpression = planner.rel(validatedSql).project()
> {code}
> The resulting relExpression can't be transformed back to a query:
> {code}
> private val VERTICA = SqlDialect.DatabaseProduct.VERTICA.getDialect
> .....................
> val sql = new RelToSqlConverter(VERTICA).visitChild(0, relNode).asQuery.toSqlString(VERTICA).getSql
> {code}
> The exception is thrown:
> {code}
> Caused by: java.lang.reflect.InvocationTargetException: null
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
> ... 29 common frames omitted
> Caused by: java.lang.AssertionError: Internal error: While invoking method 'public org.apache.calcite.rel.rel2sql.SqlImplementor$Result org.apache.calcite.rel.rel2sql.RelToSqlConverter.visit(org.apache.calcite.rel.core.Project)'
> at org.apache.calcite.util.Util.newInternal(Util.java:792)
> at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:534)
> at org.apache.calcite.rel.rel2sql.RelToSqlConverter.dispatch(RelToSqlConverter.java:80)
> at org.apache.calcite.rel.rel2sql.RelToSqlConverter.visitChild(RelToSqlConverter.java:84)
> at org.apache.calcite.rel.rel2sql.RelToSqlConverter.visit(RelToSqlConverter.java:125)
> ... 34 common frames omitted
> Caused by: java.lang.reflect.InvocationTargetException: null
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
> ... 37 common frames omitted
> Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at org.apache.calcite.sql.SqlNodeList.get(SqlNodeList.java:93)
> at org.apache.calcite.rel.rel2sql.SqlImplementor$Result$1.field(SqlImplementor.java:781)
> at org.apache.calcite.rel.rel2sql.SqlImplementor$Context.toSql(SqlImplementor.java:450)
> at org.apache.calcite.rel.rel2sql.RelToSqlConverter.visit(RelToSqlConverter.java:133)
> ... 42 common frames omitted
> {code}
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