Mapd hang and check failed: ra_node


Hello ,

I use mapd core 3.6 version and centos 7.3

I execute sql that contain multi subquery and nullif function and “case when” phrase
But the sql execution hang and mapd core no reply

The mapd core log that named “mapd_server.FATAL” represent it’s line is “RelAlgExecutionDescriptor.cpp:140 Check failed: ra_node”

I don,t now above log message

Thank you in advance.


Hi @Soo,

The error occurs while evaluating the query, could you please post your SQL statement and schema.