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fix rate special function when using group by

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Sven Klemm
2018-07-15 15:14:12 +02:00
parent c3c20ef2e2
commit 6e824e81bf
4 changed files with 29 additions and 25 deletions
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4
public/app/plugins/datasource/postgres/postgres_query.ts
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@ -154,6 +154,10 @@ export default class PostgresQuery {
break;
case 'rate':
let timeColumn = this.target.timeColumn;
if (aggregate) {
timeColumn = 'min(' + timeColumn + ')';
}
let curr = query;
let prev = 'lag(' + curr + ') OVER (' + over + ')';
query = '(CASE WHEN ' + curr + ' >= ' + prev + ' THEN ' + curr + ' - ' + prev + ' ELSE ' + curr + ' END)';