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fix: label_replace and label_join functions when used as sub‐expressions (#6443)

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* fix: label_replace and label_join functions in expressions

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* chore: remove update_fields

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* chore: tql eval -> TQL EVAL

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: empty regex and not existing source label

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* chore: simplfy test

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: test

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: test

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

---------

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>
This commit is contained in:
dennis zhuang
2025-07-03 13:34:22 +08:00
committed by GitHub
parent 5f2daae087
commit f7c363f969
6 changed files with 316 additions and 89 deletions
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2
tests/cases/standalone/common/promql/simple_histogram.sql
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@@ -52,7 +52,7 @@ tql eval (3000, 3000, '1s') histogram_quantile(0.5, histogram_bucket);
tql eval (3000, 3000, '1s') histogram_quantile(0.8, histogram_bucket);
-- SQLNESS SORT_RESULT 3 1
tql eval (3000, 3000, '1s') label_replace(histogram_quantile(0.8, histogram_bucket), "s", "$1", "s", "(.*)tive");
tql eval (3000, 3000, '1s') label_replace(histogram_quantile(0.8, histogram_bucket), "s2", "$1", "s", "(.*)tive");
-- More realistic with rates.
-- This case doesn't contains value because other point are not inserted.