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set explicit order for rate and increase

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This commit is contained in:
Sven Klemm
2018-07-22 15:06:59 +02:00
parent 84d7743939
commit 7af9cd7dfc
2 changed files with 11 additions and 3 deletions
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12
public/app/plugins/datasource/postgres/postgres_query.ts
View File

@ -136,16 +136,24 @@ export default class PostgresQuery {
query = columnName.params[0];
let aggregate = _.find(column, (g: any) => g.type === 'aggregate');
let special = _.find(column, (g: any) => g.type === 'special');
if (aggregate) {
query = aggregate.params[0] + '(' + query + ')';
if (special) {
query = aggregate.params[0] + '(' + query + ' ORDER BY ' + this.target.timeColumn + ')';
} else {
query = aggregate.params[0] + '(' + query + ')';
}
}
let special = _.find(column, (g: any) => g.type === 'special');
if (special) {
let over = '';
if (this.hasMetricColumn()) {
over = 'PARTITION BY ' + this.target.metricColumn;
}
if (!aggregate) {
over += 'ORDER BY ' + this.target.timeColumn;
}
switch (special.params[0]) {
case 'increase':
query = query + ' - lag(' + query + ') OVER (' + over + ')';

2
public/app/plugins/datasource/postgres/specs/postgres_query.jest.ts
View File

@ -63,7 +63,7 @@ describe('PostgresQuery', function() {
{ type: 'alias', params: ['a'] },
{ type: 'special', params: ['increase'] },
];
expect(query.buildValueColumn(column)).toBe('v - lag(v) OVER () AS "a"');
expect(query.buildValueColumn(column)).toBe('v - lag(v) OVER (ORDER BY time) AS "a"');
});
describe('When generating WHERE clause', function() {