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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/09/23 06:05:20 UTC
[jira] [Created] (SYSTEMML-953) Frame ncol fails due to missing
meta data after transformdecode
Matthias Boehm created SYSTEMML-953:
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Summary: Frame ncol fails due to missing meta data after transformdecode
Key: SYSTEMML-953
URL: https://issues.apache.org/jira/browse/SYSTEMML-953
Project: SystemML
Issue Type: Bug
Reporter: Matthias Boehm
The following script over a 1G x 5 input frame w/ double schema fails due to missing meta data after the transformdecode call.
{code}
Xf = read("mboehm/frame/Xf");
jspec = "{\"ids\": true,\"recode\": [1,2,3,4,5]}";
[X,M] = transformencode(target=Xf, spec=jspec);
print(max(X));
print(toString(M))
Xf2 = transformdecode(target=X, spec=jspec, meta=M);
print(toString(Xf2[1,]));
{code}
In detail, the encountered exception is
{code}
Caused by: org.apache.sysml.runtime.DMLRuntimeException: ERROR: Runtime error in program block generated from statement block between lines 18 and 20 -- Error evaluating instruction: CP°ncol°_fVar19·FRAME·STRING·false°_Var20·SCALAR·INT
at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:335)
at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeInstructions(ProgramBlock.java:224)
at org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:168)
at org.apache.sysml.runtime.controlprogram.Program.execute(Program.java:145)
... 12 more
Caused by: org.apache.sysml.runtime.DMLRuntimeException: Invalid meta data returned by 'ncol': -1
at org.apache.sysml.runtime.instructions.cp.AggregateUnaryCPInstruction.processInstruction(AggregateUnaryCPInstruction.java:128)
at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:305)
{code}
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