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Included $col as an option for the "Alias pattern" on influxdb

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With this patch it's possible to use the column name as an identifier.
This can help when we have multiple columns as it would be possible to automatic generate a legend.
Also this would help in future when grafana could support the "AS" in the query builder.
This commit is contained in:
Denis Doria 2015-08-10 00:22:08 +02:00
parent 3d197abf83
commit a4af30675d
2 changed files with 4 additions and 2 deletions
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5
public/app/plugins/datasource/influxdb/influxSeries.js
View File

@ -35,7 +35,7 @@ function (_) {
}
if (self.alias) {
seriesName = self._getSeriesName(series);
seriesName = self._getSeriesName(series, j);
} else if (series.tags) {
seriesName = seriesName + ' {' + tags.join(', ') + '}';
}
@ -54,13 +54,14 @@ function (_) {
return output;
};
p._getSeriesName = function(series) {
p._getSeriesName = function(series, index) {
var regex = /\$(\w+)|\[\[([\s\S]+?)\]\]/g;
return this.alias.replace(regex, function(match, g1, g2) {
var group = g1 || g2;
if (group === 'm' || group === 'measurement') { return series.name; }
if (group === 'col') { return series.columns[index]; }
if (group.indexOf('tag_') !== 0) { return match; }
var tag = group.replace('tag_', '');

1
public/app/plugins/datasource/influxdb/partials/query.editor.html
View File

@ -210,6 +210,7 @@
<ul>
<li>$m = replaced with measurement name</li>
<li>$measurement = replaced with measurement name</li>
<li>$col = replaced with column name</li>
<li>$tag_hostname = replaced with the value of the hostname tag</li>
<li>You can also use [[tag_hostname]] pattern replacement syntax</li>
</ul>