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Loki: Parse query with unwrap (#47282)

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* Loki: Parse simple unwrap

* Update public/app/plugins/datasource/loki/querybuilder/parsing.ts

* Simplify
This commit is contained in:
Ivana Huckova 2022-04-04 17:44:23 +01:00 committed by GitHub
parent f8b9bf543b
commit 4c6d2ce618
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2 changed files with 36 additions and 0 deletions
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21
public/app/plugins/datasource/loki/querybuilder/parsing.test.ts
View File

@ -142,6 +142,27 @@ describe('buildVisualQueryFromString', () => {
);
});
it('parses query with with simple unwrap', () => {
expect(
buildVisualQueryFromString('sum_over_time({app="frontend"} | logfmt | unwrap bytes_processed [1m])')
).toEqual(
noErrors({
labels: [
{
op: '=',
value: 'frontend',
label: 'app',
},
],
operations: [
{ id: 'logfmt', params: [] },
{ id: 'unwrap', params: ['bytes_processed'] },
{ id: 'sum_over_time', params: ['1m'] },
],
})
);
});
it('parses metrics query with function', () => {
expect(buildVisualQueryFromString('rate({app="frontend"} | json [5m])')).toEqual(
noErrors({

15
public/app/plugins/datasource/loki/querybuilder/parsing.ts
View File

@ -84,6 +84,11 @@ export function handleExpression(expr: string, node: SyntaxNode, context: Contex
break;
}
case 'UnwrapExpr': {
visQuery.operations.push(getUnwrap(expr, node));
break;
}
case 'RangeAggregationExpr': {
visQuery.operations.push(handleRangeAggregation(expr, node, context));
break;
@ -241,6 +246,16 @@ function getLabelFormat(expr: string, node: SyntaxNode): QueryBuilderOperation {
};
}
function getUnwrap(expr: string, node: SyntaxNode): QueryBuilderOperation {
const id = 'unwrap';
const string = getString(expr, node.getChild('Identifier'));
return {
id,
params: [string],
};
}
function handleRangeAggregation(expr: string, node: SyntaxNode, context: Context) {
const nameNode = node.getChild('RangeOp');
const funcName = getString(expr, nameNode);