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vmstorage: fix query like {foo=~"bar|"} return extra timeseries cause by negative filter transformation malfunction (#2032)

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1. L2749 make kb.B remain the value of comonPrefix instead of tf.prefix
2. L2762 avoid change tf.value from "bar|" to ".+r|"
This commit is contained in:
weng zhao 2022-01-05 21:57:54 +08:00 committed by Aliaksandr Valialkin
parent e1d7cbfc77
commit 38bf5fc136
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1 changed files with 2 additions and 2 deletions
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4
lib/storage/index_db.go
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@ -2719,10 +2719,9 @@ func (is *indexSearch) getMetricIDsForDateTagFilter(tf *tagFilter, date uint64,
// Use global search if date isn't set.
kb.B = is.marshalCommonPrefix(kb.B[:0], nsPrefixTagToMetricIDs)
}
kb.B = append(kb.B, tf.prefix[len(commonPrefix):]...)
tfNew := *tf
tfNew.isNegative = false // isNegative for the original tf is handled by the caller.
tfNew.prefix = kb.B
tfNew.prefix = append(kb.B, tf.prefix[len(commonPrefix):]...)
metricIDs, loopsCount, err := is.getMetricIDsForTagFilter(&tfNew, maxMetrics, maxLoopsCount)
if err != nil {
return nil, loopsCount, err
@ -2735,6 +2734,7 @@ func (is *indexSearch) getMetricIDsForDateTagFilter(tf *tagFilter, date uint64,
// This fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1601
// See also https://github.com/VictoriaMetrics/VictoriaMetrics/issues/395
maxLoopsCount -= loopsCount
tfNew = tagFilter{}
if err := tfNew.Init(kb.B, tf.key, []byte(".+"), false, true); err != nil {
logger.Panicf(`BUG: cannot init tag filter: {%q=~".+"}: %s`, tf.key, err)
}