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Posted to issues@impala.apache.org by "Lars Volker (JIRA)" <ji...@apache.org> on 2018/05/22 17:08:00 UTC

[jira] [Resolved] (IMPALA-7032) Codegen crash when UNIONing NULL and CHAR(N)

     [ https://issues.apache.org/jira/browse/IMPALA-7032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Volker resolved IMPALA-7032.
---------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0
                   Impala 2.13.0

> Codegen crash when UNIONing NULL and CHAR(N)
> --------------------------------------------
>
>                 Key: IMPALA-7032
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7032
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 2.8.0, Impala 2.9.0, Impala 2.10.0, Impala 2.11.0, Impala 3.0, Impala 2.12.0, Impala 2.13.0, Impala 3.1.0
>            Reporter: Balazs Jeszenszky
>            Assignee: Lars Volker
>            Priority: Blocker
>              Labels: crash
>             Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> A simple repro:
> {code:java}
> create table test (c1 int);
> select null from test union select cast('a' as char(1)) from test;
> {code}
> {code}
> #0  0x00007f050c4a61d7 in raise () from sysroot/lib64/libc.so.6
> #1  0x00007f050c4a78c8 in abort () from sysroot/lib64/libc.so.6
> #2  0x00007f050e7816b5 in os::abort(bool) ()
>    from sysroot/usr/java/jdk1.8.0_60/jre/lib/amd64/server/libjvm.so
> #3  0x00007f050e91fbf3 in VMError::report_and_die() ()
>    from sysroot/usr/java/jdk1.8.0_60/jre/lib/amd64/server/libjvm.so
> #4  0x00007f050e786edf in JVM_handle_linux_signal ()
>    from sysroot/usr/java/jdk1.8.0_60/jre/lib/amd64/server/libjvm.so
> #5  0x00007f050e77d673 in signalHandler(int, siginfo*, void*) ()
>    from sysroot/usr/java/jdk1.8.0_60/jre/lib/amd64/server/libjvm.so
> #6  <signal handler called>
> #7  0x0000000001a9123d in llvm::FunctionType::get(llvm::Type*, llvm::ArrayRef<llvm::Type*>, bool) ()
> #8  0x0000000000c2c04f in impala::LlvmCodeGen::FnPrototype::GeneratePrototype (this=0x7f03e7fdad90,
>     builder=0x0, params=0x7f03e7fdae30, print_ir=<optimized out>)
>     at /usr/src/debug/impala-2.9.0-cdh5.12.2/be/src/codegen/llvm-codegen.cc:710
> #9  0x0000000000846187 in impala::Expr::CreateIrFunctionPrototype (this=this@entry=0x9fded80,
>     codegen=codegen@entry=0xa5a2880, name=..., args=args@entry=0x7f03e7fdae30)
>     at /usr/src/debug/impala-2.9.0-cdh5.12.2/be/src/exprs/expr.cc:505
> #10 0x0000000000861e5c in impala::NullLiteral::GetCodegendComputeFn (this=0x9fded80,
>     codegen=0xa5a2880, fn=0x7f03e7fdaf18)
>     at /usr/src/debug/impala-2.9.0-cdh5.12.2/be/src/exprs/null-literal.cc:106
> #11 0x0000000000a79bc7 in impala::Tuple::CodegenMaterializeExprs (codegen=codegen@entry=0xa5a2880,
>     collect_string_vals=collect_string_vals@entry=false, desc=..., materialize_expr_ctxs=...,
>     use_mem_pool=use_mem_pool@entry=true, fn=0x7f03e7fdb410)
>     at /usr/src/debug/impala-2.9.0-cdh5.12.2/be/src/runtime/tuple.cc:307
> #12 0x0000000000d12828 in impala::UnionNode::Codegen (this=<optimized out>, state=<optimized out>)
>     at /usr/src/debug/impala-2.9.0-cdh5.12.2/be/src/exec/union-node.cc:105
> #13 0x0000000000c4aaa1 in impala::ExecNode::Codegen (this=this@entry=0xa0c5480,
> {code}
> NullLiteral::GetCodegendComputeFn is missing a check for type.CHAR which isn't implemented.



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