Like Prometheus, but for logs.

prometheushacktoberfestgrafanacloudnativeloggingloki

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Christian Haudum ce71f1cf95 feat(api)!: Fail log queries when executed on instant query endpoint (#13421) ... ### What this PR does / why we need it **Background** A log selector expression is a LogQL expression that returns logs, in contrast to a sample expressions, which returns metrics (samples). The simplest form of log selector expressions are label matchers, e.g. `{env="prod"}`. **Change** This PR changes the behaviour of Loki so that the instant query endpoint `/api/v1/query` does not allow sending a log selector expression as query any more. Instead, it returns a status code 400 (Bad Request) with the error message **"log queries are not supported as an instant query type, please change you query to a range query type"**. **Why** Previously this API endpoint allowed these types of log queries, but returned inconsistent results, which where a major cause for confusion. Returning a concise error helps the user understand that they likely selected the wrong query type in Grafana when executing the query. --- Signed-off-by: Christian Haudum <christian.haudum@gmail.com>		11 months ago
..
metadata	feat: add warnings to metadata context directly (#12579)	1 year ago
stats	refactor: Remove unnecessary spanlogger usage (#13255)	11 months ago
LICENSE_APACHE2	Re-license to AGPLv3 (#3630)	4 years ago
error.go	feat(api)!: Fail log queries when executed on instant query endpoint (#13421)	11 months ago
logqlmodel.go	feat: Enable warnings in Loki query responses (#12425)	1 year ago