Julian Hyde created CALCITE-709:
-----------------------------------
Summary: Errors with LIMIT inside scalar sub-query
Key: CALCITE-709
URL: https://issues.apache.org/jira/browse/CALCITE-709
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
Various when you use LIMIT inside a scalar sub-query.
Error 1:
{code}select deptno, (select empno
from "scott".emp
where deptno = dept.deptno
order by empno limit 1) as x
from "scott".dept;{code}
gives {code}java.sql.SQLException: error while executing SQL "select deptno,
(select empno from "scott".emp where deptno = dept.deptno order by empno limit
1) as x from "scott".dept
": Error while compiling generated Java code:
Caused by: org.codehaus.commons.compiler.CompileException: Line 65, Column 49:
Not a boolean expression{code}
Error 2:
{code}select deptno, (select sum(empno)
from "scott".emp
where deptno = dept.deptno
limit 0) as x
from "scott".dept;{code}
gives {code}java.sql.SQLException: error while executing SQL "select deptno,
(select sum(empno) from "scott".emp where deptno = dept.deptno limit 0) as x
from "scott".dept
Target must be less than target count, 2
at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:112)
at
org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:130)
at
net.hydromatic.quidem.Quidem$CheckResultCommand.execute(Quidem.java:690)
at
net.hydromatic.quidem.Quidem$CompositeCommand.execute(Quidem.java:926)
at net.hydromatic.quidem.Quidem.execute(Quidem.java:193)
at org.apache.calcite.test.JdbcTest.checkRun(JdbcTest.java:4402)
at org.apache.calcite.test.JdbcTest.testRunScalar(JdbcTest.java:4370)
Caused by: java.lang.IllegalArgumentException: Target must be less than target
count, 2
at
org.apache.calcite.util.mapping.Mappings$PartialFunctionImpl.set(Mappings.java:1607)
at org.apache.calcite.util.mapping.Mappings.target(Mappings.java:323)
at
org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:401)
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:497)
at
org.apache.calcite.util.ReflectUtil.invokeVisitorInternal(ReflectUtil.java:256)
at
org.apache.calcite.util.ReflectUtil.invokeVisitor(ReflectUtil.java:213)
at
org.apache.calcite.util.ReflectUtil$1.invokeVisitor(ReflectUtil.java:476)
at
org.apache.calcite.sql2rel.RelDecorrelator$DecorrelateRelVisitor.visit(RelDecorrelator.java:1421)
at org.apache.calcite.rel.BiRel.childrenAccept(BiRel.java:47){code}
The test cases are included in scalar.oq, commented out usind '!if (false) {
... }'; you can run via JdbcTest.testRunScalar.
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