@@ -18,28 +18,6 @@ The field calculator allows you to update fields with expressions.
1818<tr><td>'string'</td><td>literal string value</td></tr>
1919<tr><td><i>number</i></td><td>number</td></tr>
2020<tr><td>NULL</td><td>null value</td></tr>
21- <tr><td><tt>a</tt> OR <tt>b</tt></td><td><tt>a</tt> or <tt>b</tt> are true.</td></tr>
22- <tr><td><tt>a</tt> AND <tt>b</tt></td><td><tt>a</tt> and <tt>b</tt> are true.</td></tr>
23- <tr><td>NOT <tt>a</tt></td><td>inverted boolean value of <tt>a</tt></td></tr>
24- <tr><td><tt>a</tt> IS NULL</td><td><tt>a</tt> has no value</td></tr>
25- <tr><td><tt>a</tt> IS NOT NULL</td><td><tt>a</tt> has <tt>a</tt> value</td></tr>
26- <tr><td><tt>a</tt> IN ( value[, value...] )</td><td><tt>a</tt> is one of the listed values</td></tr>
27- <tr><td><tt>a</tt> NOT IN ( value[, value...] )</td><td><tt>a</tt> is not one of the listed values</td></tr>
28- <tr><td><tt>a</tt> = <tt>b</tt></td><td><tt>a</tt> and <tt>b</tt> are equal</td><tr>
29- <tr>
30- <td>
31- <tt>a</tt> != <tt>b</tt><br>
32- <tt>a</tt> <> <tt>b</tt>
33- </td>
34- <td><tt>a</tt> and <tt>b</tt> are not equal</td>
35- </tr>
36- <tr><td><tt>a</tt> <= <tt>b</tt></td><td><tt>a</tt> is less or equal <tt>b</tt></td></tr>
37- <tr><td><tt>a</tt> >= <tt>b</tt></td><td><tt>a</tt> is greater or equal <tt>b</tt></td></tr>
38- <tr><td><tt>a</tt> > <tt>b</tt></td><td><tt>a</tt> is greater than <tt>b</tt></td></tr>
39- <tr><td><tt>a</tt> < <tt>b</tt></td><td><tt>a</tt> is less than <tt>b</tt></td></tr>
40- <tr><td><tt>a</tt> ~ <tt>b</tt></td></td><td><tt>a</tt> matches regular expression <tt>b</tt></td></tr>
41- <tr><td><tt>a</tt> LIKE <tt>b</tt></td><td><tt>a</tt> is like <tt>b</tt></td></tr>
42- <tr><td><tt>a</tt> ILIKE <tt>b</tt></td><td><tt>a</tt> is like <tt>b</tt> (case insensitive)</td></tr>
4321<tr><td>sqrt(<tt>a</tt>)</td><td>square root</td></tr>
4422<tr><td>sin(<tt>a</tt>)</td><td>sinus of <tt>a</tt></td></tr>
4523<tr><td>cos(<tt>a</tt>)</td><td>cosinus of <tt>b</tt></td></tr>
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