Like Prometheus, but for logs.

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Travis Patterson fd0efe0799 Regex line/label filters return original regex when `String` is called (#9584) ... To optimize regex line and label filters, Loki rewrites them to be non-greedy. This can cause extra characters to appear in the regex when `String()` is called. In addition to confusing logging, this can also cause internal panics when a previously-parsable query becomes too long. This PR stores the original regex in the label/line filter and uses that in calls to `String`. This PR also removes regex optimizations from label selectors. Making the optimization at parse time caused the original regex to be lost.		3 years ago
..
jsonexpr	JSON label extraction field validation expression overly strict (#6372)	4 years ago
logfmt	Add logfmt selective label extraction (#6675)	3 years ago
pattern	Fixes the pattern parser validation. (#4308)	4 years ago
distinct.go	LogQL: Introduce `distinct` (#8662)	3 years ago
distinct_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
drop_labels.go	Loki: Remove validation of matchers when performing label values lookup. (#8224)	3 years ago
drop_labels_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
error.go	Loki/Promtail: Client Refactor (#3623)	5 years ago
filter.go	Regex line/label filters return original regex when `String` is called (#9584)	3 years ago
filter_test.go	Regex line/label filters return original regex when `String` is called (#9584)	3 years ago
fmt.go	Loki: Add new logql template functions `bytes`, `duration`, `unixEpochMillis`, `unixEpochNanos`, `toDateInZone`, `b64Enc`, and `b64Dec` (#8774)	3 years ago
fmt_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
ip.go	Changes from linter (#8769)	3 years ago
ip_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
label_extraction_expr.go	chore: Cleanup label extraction expression (#8596)	3 years ago
label_filter.go	fix to-string for noop label filters (#8799)	3 years ago
label_filter_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
labels.go	Update Prometheus dependency (#9205)	3 years ago
labels_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
metrics_extraction.go	Short circuit parsing when label matchers are present (#8890)	3 years ago
metrics_extraction_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
parser.go	fix json expression parser (#9410)	3 years ago
parser_hints.go	Short circuit parsing when label matchers are present (#8890)	3 years ago
parser_hints_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
parser_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
pipeline.go	Short circuit parsing when label matchers are present (#8890)	3 years ago
pipeline_test.go	logql/log tests: use abstractions over labels (#9532)	3 years ago
util.go	Improve the JSON parser performance. (#7723)	3 years ago
util_test.go	Fixes bad initialization for uniqueString (#6432)	4 years ago