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derekjn
derekjn commented Feb 22, 2021

Given a stream s1 that contains a NULL value:

CREATE STREAM s1 (x INTEGER) ...
INSERT INTO s1 (x) VALUES (null);

If that NULL expression is used in an arithmetic operation, the result of the operation will be NULL:

SELECT x + 1 FROM s1 EMIT CHANGES;

However, if a NULL literal is used in the same way, an NPE will be thrown:

ksql> SELECT NULL + 1 FROM
perspective
xmnlab
xmnlab commented Mar 19, 2019

Hey everyone!

mapd-core-cpu is already available on conda-forge (https://anaconda.org/conda-forge/omniscidb-cpu)

now we should add some instructions on the documentation.

at this moment it is available for linux and osx.

some additional information about the configuration:

  1. for now, always install omniscidb-cpu inside a conda environment (also it is a good practice), eg:

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