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This commit is contained in:
Aliaksandr Valialkin 2024-05-18 22:25:46 +02:00
parent 94d4f34cbf
commit 846d5358cf
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1 changed files with 20 additions and 0 deletions
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20
lib/logstorage/parser.go
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@ -10,6 +10,7 @@ import (
"unicode"
"unicode/utf8"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
)
@ -275,6 +276,9 @@ func (q *Query) Optimize() {
}
}
// Substitute '*' prefixFilter with filterNoop.
q.f = removeStarFilters(q.f)
// Optimize 'in(query)' filters
optimizeFilterIn(q.f)
for _, p := range q.pipes {
@ -289,6 +293,22 @@ func (q *Query) Optimize() {
}
}
func removeStarFilters(f filter) filter {
visitFunc := func(f filter) bool {
fp, ok := f.(*filterPrefix)
return ok && isMsgFieldName(fp.fieldName) && fp.prefix == ""
}
copyFunc := func(_ filter) (filter, error) {
fn := &filterNoop{}
return fn, nil
}
f, err := copyFilter(f, visitFunc, copyFunc)
if err != nil {
logger.Fatalf("BUG: unexpected error: %s", err)
}
return f
}
func optimizeFilterIn(f filter) {
visitFunc := func(f filter) bool {
fi, ok := f.(*filterIn)