[ https://issues.apache.org/jira/browse/CALCITE-1388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Viktor Batytskyi updated CALCITE-1388: -------------------------------------- Fix Version/s: next > 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 > Fix For: next > > > 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, > relExpression).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} > The failure can be tested by (RelToSqlConverterTest of Calcite Core project): > {code:java} > @Test public void testSimpleRollup() { > String query = "select \"product_id\"\n" + > "from \"product\"\n" + > "group by rollup((\"product_id\"))"; > String expected = "select \"product_id\"\n" + > "from \"product\"\n" + > "group by rollup((\"product_id\"))"; > sql(query).ok(expected); > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)