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lib/storage: print __name__ instead of empty string in user-visible tag filters

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This commit is contained in:
Aliaksandr Valialkin 2019-12-03 14:18:08 +02:00
parent ade453847f
commit efbc83a13e
1 changed files with 5 additions and 1 deletions
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6
lib/storage/tag_filters.go
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@ -124,7 +124,11 @@ func (tf *tagFilter) String() string {
} else if tf.isRegexp {
op = "=~"
}
return fmt.Sprintf("%s%s%q", tf.key, op, tf.value)
key := tf.key
if len(key) == 0 {
key = []byte("__name__")
}
return fmt.Sprintf("%s%s%q", key, op, tf.value)
}
// Marshal appends marshaled tf to dst