GitHub user ryzuo opened a pull request:
https://github.com/apache/incubator-trafodion/pull/854
[TRAFODION - 2345] Support LOG() function of any base
Like Oracle does, the function LOG() function supports 2 parameter of call,
in this way, the 1st parameter is the radix, and the second one is power, the
function returns the logarithm.
This change implement this, and still, the user can call it with only one
parameter (form LOG(X)), in which case the parameter X will be the power, and
the function just returns the natural logarithm of X. This is also compatible
with MySQL.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ryzuo/incubator-trafodion jira2345
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/854.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #854
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commit 1f9071ae82ee63e6f16bddd091d3fcce1057583f
Author: ryzuo <joshuamur...@gmail.com>
Date: 2016-11-25T18:30:26Z
Implement LOG() function for any base
commit e4681d139f1b3e0ffd7784d9930e9fc0d72bbcbb
Author: ryzuo <joshuamur...@gmail.com>
Date: 2016-11-28T08:39:45Z
Add tests for builtin function LOG() of any base
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