twalthr commented on a change in pull request #6432: [FLINK-9970] Add ASCII
function for table/sql API
URL: https://github.com/apache/flink/pull/6432#discussion_r205511293
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File path: docs/dev/table/sql.md
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@@ -1842,6 +1842,16 @@ RPAD(text string, len integer, pad string)
<tr>
<td>
{% highlight text %}
+ASCII(text string)
+{% endhighlight %}
+ </td>
+ <td>
+ <p>Returns the numeric value of the leftmost character of the string
str. Returns 0 if str is the empty string. Returns NULL if str is NULL. E.g.
<code>ASCII('THIS')</code> returns <code>84</code>.</p>
Review comment:
Please do not copy documentation from other projects. Especially if other
projects are not Apache licensed. Even worse than copying is copying but not
adjusting variable names. You use `text string` in the paramter but `str` in
the description.
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