lib/logstorage: optimize query imeediately after its parsing

This eliminates possible bugs related to forgotten Query.Optimize() calls.

This also allows removing optimize() function from pipe interface.

While at it, drop filterNoop inside filterAnd.

app/vlselect/logsql/logsql.go

@@ -982,7 +982,6 @@ func parseCommonArgs(r *http.Request) (*logstorage.Query, []logstorage.TenantID,
 	if err != nil {
 		return nil, nil, fmt.Errorf("cannot parse query [%s]: %s", qStr, err)
 	}
-	q.Optimize()
 
 	// Parse optional start and end args
 	start, okStart, err := getTimeNsec(r, "start")

lib/logstorage/filter.go

@@ -49,6 +49,17 @@ func visitFilters(filters []filter, visitFunc func(f filter) bool) bool {
 //
 // It doesn't copy other filters by returning them as is.
 func copyFilter(f filter, visitFunc func(f filter) bool, copyFunc func(f filter) (filter, error)) (filter, error) {
+	f, err := copyFilterInternal(f, visitFunc, copyFunc)
+	if err != nil {
+		return nil, err
+	}
+	if !visitFunc(f) {
+		return f, nil
+	}
+	return copyFunc(f)
+}
+
+func copyFilterInternal(f filter, visitFunc func(f filter) bool, copyFunc func(f filter) (filter, error)) (filter, error) {
 	switch t := f.(type) {
 	case *filterAnd:
 		filters, err := copyFilters(t.filters, visitFunc, copyFunc)
@@ -78,11 +89,7 @@ func copyFilter(f filter, visitFunc func(f filter) bool, copyFunc func(f filter)
 		}
 		return fn, nil
 	default:
-		if !visitFunc(t) {
+		return f, nil
-			// Nothing to copy
-			return t, nil
-		}
-		return copyFunc(t)
 	}
 }
 

lib/logstorage/filter_and_test.go

@@ -85,6 +85,13 @@ func TestGetCommonTokensForAndFilters(t *testing.T) {
 		if err != nil {
 			t.Fatalf("unexpected error in ParseQuery: %s", err)
 		}
+		if _, ok := q.f.(*filterNoop); ok {
+			if len(tokensExpected) != 0 {
+				t.Fatalf("expecting non-empty tokens %q", tokensExpected)
+			}
+			return
+		}
+
 		fa, ok := q.f.(*filterAnd)
 		if !ok {
 			t.Fatalf("unexpected filter type: %T; want *filterAnd", q.f)
@@ -134,6 +141,7 @@ func TestGetCommonTokensForAndFilters(t *testing.T) {
 			tokens: []string{"foo", "bar"},
 		},
 	})
+	f(`*`, nil)
 	f(`* *`, nil)
 
 	// empty filter must be skipped

lib/logstorage/if_filter.go

@@ -50,26 +50,3 @@ func parseIfFilter(lex *lexer) (*ifFilter, error) {
 
 	return iff, nil
 }
-
-func (iff *ifFilter) optimizeFilterIn() {
-	if iff == nil {
-		return
-	}
-
-	optimizeFilterIn(iff.f)
-}
-
-func optimizeFilterIn(f filter) {
-	if f == nil {
-		return
-	}
-
-	visitFunc := func(f filter) bool {
-		fi, ok := f.(*filterIn)
-		if ok && fi.q != nil {
-			fi.q.Optimize()
-		}
-		return false
-	}
-	_ = visitFilter(f, visitFunc)
-}

lib/logstorage/parser.go

@@ -349,9 +349,6 @@ func (q *Query) Clone(timestamp int64) *Query {
 func (q *Query) CloneWithTimeFilter(timestamp, start, end int64) *Query {
 	q = q.Clone(timestamp)
 	q.AddTimeFilter(start, end)
-	// q.Optimize() call is needed for converting '*' into filterNoop.
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6785#issuecomment-2358547733
-	q.Optimize()
 	return q
 }
 
@@ -534,8 +531,8 @@ func (q *Query) AddPipeLimit(n uint64) {
 	})
 }
 
-// Optimize tries optimizing the query.
+// optimize tries optimizing the query.
-func (q *Query) Optimize() {
+func (q *Query) optimize() {
 	q.pipes = optimizeSortOffsetPipes(q.pipes)
 	q.pipes = optimizeSortLimitPipes(q.pipes)
 	q.pipes = optimizeUniqLimitPipes(q.pipes)
@@ -560,14 +557,6 @@ func (q *Query) Optimize() {
 
 	// Substitute '*' prefixFilter with filterNoop in order to avoid reading _msg data.
 	q.f = removeStarFilters(q.f)
-
-	// Call Optimize for queries from 'in(query)' filters.
-	optimizeFilterIn(q.f)
-
-	// Optimize individual pipes.
-	for _, p := range q.pipes {
-		p.optimize()
-	}
 }
 
 // GetStatsByFields returns `by (...)` fields from the last `stats` pipe at q.
@@ -746,6 +735,7 @@ func addByTimeField(byFields []*byStatsField, step int64) []*byStatsField {
 }
 
 func removeStarFilters(f filter) filter {
+	// Substitute `*` filterPrefix with filterNoop
 	visitFunc := func(f filter) bool {
 		fp, ok := f.(*filterPrefix)
 		return ok && isMsgFieldName(fp.fieldName) && fp.prefix == ""
@@ -758,6 +748,43 @@ func removeStarFilters(f filter) filter {
 	if err != nil {
 		logger.Fatalf("BUG: unexpected error: %s", err)
 	}
+
+	// Drop filterNoop inside filterAnd
+	visitFunc = func(f filter) bool {
+		fa, ok := f.(*filterAnd)
+		if !ok {
+			return false
+		}
+		for _, f := range fa.filters {
+			if _, ok := f.(*filterNoop); ok {
+				return true
+			}
+		}
+		return false
+	}
+	copyFunc = func(f filter) (filter, error) {
+		fa := f.(*filterAnd)
+		var resultFilters []filter
+		for _, f := range fa.filters {
+			if _, ok := f.(*filterNoop); !ok {
+				resultFilters = append(resultFilters, f)
+			}
+		}
+		if len(resultFilters) == 0 {
+			return &filterNoop{}, nil
+		}
+		if len(resultFilters) == 1 {
+			return resultFilters[0], nil
+		}
+		return &filterAnd{
+			filters: resultFilters,
+		}, nil
+	}
+	f, err = copyFilter(f, visitFunc, copyFunc)
+	if err != nil {
+		logger.Fatalf("BUG: unexpected error: %s", err)
+	}
+
 	return f
 }
 
@@ -946,6 +973,7 @@ func ParseQueryAtTimestamp(s string, timestamp int64) (*Query, error) {
 		return nil, fmt.Errorf("unexpected unparsed tail after [%s]; context: [%s]; tail: [%s]", q, lex.context(), lex.s)
 	}
 	q.timestamp = timestamp
+	q.optimize()
 	return q, nil
 }
 

lib/logstorage/parser_test.go

@@ -534,19 +534,28 @@ func TestParseFilterPrefix(t *testing.T) {
 		if err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
-		fp, ok := q.f.(*filterPrefix)
+		switch f := q.f.(type) {
-		if !ok {
+		case *filterPrefix:
-			t.Fatalf("unexpected filter type; got %T; want *filterPrefix; filter: %s", q.f, q.f)
+			if f.fieldName != fieldNameExpected {
+				t.Fatalf("unexpected fieldName; got %q; want %q", f.fieldName, fieldNameExpected)
 			}
-		if fp.fieldName != fieldNameExpected {
+			if f.prefix != prefixExpected {
-			t.Fatalf("unexpected fieldName; got %q; want %q", fp.fieldName, fieldNameExpected)
+				t.Fatalf("unexpected prefix; got %q; want %q", f.prefix, prefixExpected)
 			}
-		if fp.prefix != prefixExpected {
+		case *filterNoop:
-			t.Fatalf("unexpected prefix; got %q; want %q", fp.prefix, prefixExpected)
+			if fieldNameExpected != "" {
+				t.Fatalf("expecting non-empty fieldName %q", fieldNameExpected)
+			}
+			if prefixExpected != "" {
+				t.Fatalf("expecting non-empty prefix %q", prefixExpected)
+			}
+		default:
+			t.Fatalf("unexpected filter type; got %T; want *filterPrefix or *filterNoop; filter: %s", q.f, q.f)
 		}
 	}
 
 	f(`*`, ``, ``)
+	f(`f:*`, `f`, ``)
 	f(`""*`, ``, ``)
 	f(`foo*`, ``, `foo`)
 	f(`abc-de.fg:foo-bar+baz*`, `abc-de.fg`, `foo-bar+baz`)
@@ -695,8 +704,8 @@ func TestParseQuerySuccess(t *testing.T) {
 	f(`'foo'* and (a:x* and x:* or y:i(""*)) and i("abc def"*)`, `foo* (a:x* x:* or y:i(*)) i("abc def"*)`)
 
 	// This isn't a prefix search - it equals to `foo AND *`
-	f(`foo *`, `foo *`)
+	f(`foo *`, `foo`)
-	f(`"foo" *`, `foo *`)
+	f(`"foo" *`, `foo`)
 
 	// empty filter
 	f(`"" or foo:"" and not bar:""`, `"" or foo:"" !bar:""`)
@@ -1197,13 +1206,13 @@ func TestParseQuerySuccess(t *testing.T) {
 	f(`* | uniq limit 10`, `* | uniq limit 10`)
 
 	// filter pipe
-	f(`* | filter error ip:12.3.4.5 or warn`, `* | filter error ip:12.3.4.5 or warn`)
+	f(`* | filter error ip:12.3.4.5 or warn`, `error ip:12.3.4.5 or warn`)
-	f(`foo | stats by (host) count() logs | filter logs:>50 | sort by (logs desc) | limit 10`, `foo | stats by (host) count(*) as logs | filter logs:>50 | sort by (logs desc) | limit 10`)
+	f(`foo | stats by (host) count() logs | filter logs:>50 | sort by (logs desc) | limit 10`, `foo | stats by (host) count(*) as logs | filter logs:>50 | sort by (logs desc) limit 10`)
-	f(`* | error`, `* | filter error`)
+	f(`* | error`, `error`)
-	f(`* | "by"`, `* | filter "by"`)
+	f(`* | "by"`, `"by"`)
-	f(`* | "stats"`, `* | filter "stats"`)
+	f(`* | "stats" *`, `"stats"`)
-	f(`* | "count"`, `* | filter "count"`)
+	f(`* | * "count"`, `"count"`)
-	f(`* | foo:bar AND baz:<10`, `* | filter foo:bar baz:<10`)
+	f(`* | foo:bar AND baz:<10`, `foo:bar baz:<10`)
 
 	// extract pipe
 	f(`* | extract "foo<bar>baz"`, `* | extract "foo<bar>baz"`)
@@ -1734,7 +1743,6 @@ func TestQueryGetNeededColumns(t *testing.T) {
 		if err != nil {
 			t.Fatalf("cannot parse query [%s]: %s", s, err)
 		}
-		q.Optimize()
 
 		needed, unneeded := q.getNeededColumns()
 		neededColumns := strings.Join(needed, ",")
@@ -2200,7 +2208,6 @@ func TestQueryDropAllPipes(t *testing.T) {
 		if err != nil {
 			t.Fatalf("cannot parse [%s]: %s", qStr, err)
 		}
-		q.Optimize()
 		q.DropAllPipes()
 		result := q.String()
 		if result != resultExpected {

lib/logstorage/pipe.go

@@ -26,9 +26,6 @@ type pipe interface {
 	// The returned pipeProcessor may call cancel() at any time in order to notify the caller to stop sending new data to it.
 	newPipeProcessor(workersCount int, stopCh <-chan struct{}, cancel func(), ppNext pipeProcessor) pipeProcessor
 
-	// optimize must optimize the pipe
-	optimize()
-
 	// hasFilterInWithQuery must return true of pipe contains 'in(subquery)' filter (recursively).
 	hasFilterInWithQuery() bool
 

lib/logstorage/pipe_block_stats.go

@@ -22,10 +22,6 @@ func (ps *pipeBlockStats) canLiveTail() bool {
 	return false
 }
 
-func (ps *pipeBlockStats) optimize() {
-	// nothing to do
-}
-
 func (ps *pipeBlockStats) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_blocks_count.go

@@ -31,10 +31,6 @@ func (pc *pipeBlocksCount) updateNeededFields(neededFields, unneededFields field
 	unneededFields.reset()
 }
 
-func (pc *pipeBlocksCount) optimize() {
-	// nothing to do
-}
-
 func (pc *pipeBlocksCount) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_copy.go

@@ -54,10 +54,6 @@ func (pc *pipeCopy) updateNeededFields(neededFields, unneededFields fieldsSet) {
 	}
 }
 
-func (pc *pipeCopy) optimize() {
-	// Nothing to do
-}
-
 func (pc *pipeCopy) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_delete.go

@@ -34,10 +34,6 @@ func (pd *pipeDelete) updateNeededFields(neededFields, unneededFields fieldsSet)
 	}
 }
 
-func (pd *pipeDelete) optimize() {
-	// nothing to do
-}
-
 func (pd *pipeDelete) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_drop_empty_fields.go

@@ -21,10 +21,6 @@ func (pd *pipeDropEmptyFields) canLiveTail() bool {
 	return true
 }
 
-func (pd *pipeDropEmptyFields) optimize() {
-	// nothing to do
-}
-
 func (pd *pipeDropEmptyFields) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_extract.go

@@ -45,10 +45,6 @@ func (pe *pipeExtract) canLiveTail() bool {
 	return true
 }
 
-func (pe *pipeExtract) optimize() {
-	pe.iff.optimizeFilterIn()
-}
-
 func (pe *pipeExtract) hasFilterInWithQuery() bool {
 	return pe.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_extract_regexp.go

@@ -47,10 +47,6 @@ func (pe *pipeExtractRegexp) canLiveTail() bool {
 	return true
 }
 
-func (pe *pipeExtractRegexp) optimize() {
-	pe.iff.optimizeFilterIn()
-}
-
 func (pe *pipeExtractRegexp) hasFilterInWithQuery() bool {
 	return pe.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_field_names.go

@@ -39,10 +39,6 @@ func (pf *pipeFieldNames) updateNeededFields(neededFields, unneededFields fields
 	unneededFields.reset()
 }
 
-func (pf *pipeFieldNames) optimize() {
-	// nothing to do
-}
-
 func (pf *pipeFieldNames) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_field_values.go

@@ -46,10 +46,6 @@ func (pf *pipeFieldValues) updateNeededFields(neededFields, unneededFields field
 	}
 }
 
-func (pf *pipeFieldValues) optimize() {
-	// nothing to do
-}
-
 func (pf *pipeFieldValues) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_fields.go

@@ -54,10 +54,6 @@ func (pf *pipeFields) updateNeededFields(neededFields, unneededFields fieldsSet)
 	unneededFields.reset()
 }
 
-func (pf *pipeFields) optimize() {
-	// nothing to do
-}
-
 func (pf *pipeFields) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_filter.go

@@ -33,10 +33,6 @@ func (pf *pipeFilter) updateNeededFields(neededFields, unneededFields fieldsSet)
 	}
 }
 
-func (pf *pipeFilter) optimize() {
-	optimizeFilterIn(pf.f)
-}
-
 func (pf *pipeFilter) hasFilterInWithQuery() bool {
 	return hasFilterInWithQueryForFilter(pf.f)
 }

lib/logstorage/pipe_format.go

@@ -87,10 +87,6 @@ func (pf *pipeFormat) updateNeededFields(neededFields, unneededFields fieldsSet)
 	}
 }
 
-func (pf *pipeFormat) optimize() {
-	pf.iff.optimizeFilterIn()
-}
-
 func (pf *pipeFormat) hasFilterInWithQuery() bool {
 	return pf.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_join.go

@@ -37,10 +37,6 @@ func (pj *pipeJoin) canLiveTail() bool {
 	return true
 }
 
-func (pj *pipeJoin) optimize() {
-	pj.q.Optimize()
-}
-
 func (pj *pipeJoin) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_len.go

@@ -41,10 +41,6 @@ func (pl *pipeLen) updateNeededFields(neededFields, unneededFields fieldsSet) {
 	}
 }
 
-func (pl *pipeLen) optimize() {
-	// Nothing to do
-}
-
 func (pl *pipeLen) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_limit.go

@@ -24,10 +24,6 @@ func (pl *pipeLimit) updateNeededFields(_, _ fieldsSet) {
 	// nothing to do
 }
 
-func (pl *pipeLimit) optimize() {
-	// nothing to do
-}
-
 func (pl *pipeLimit) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_math.go

@@ -221,10 +221,6 @@ func (me *mathExpr) updateNeededFields(neededFields fieldsSet) {
 	}
 }
 
-func (pm *pipeMath) optimize() {
-	// nothing to do
-}
-
 func (pm *pipeMath) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_offset.go

@@ -24,10 +24,6 @@ func (po *pipeOffset) updateNeededFields(_, _ fieldsSet) {
 	// nothing to do
 }
 
-func (po *pipeOffset) optimize() {
-	// nothing to do
-}
-
 func (po *pipeOffset) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_pack_json.go

@@ -33,10 +33,6 @@ func (pp *pipePackJSON) updateNeededFields(neededFields, unneededFields fieldsSe
 	updateNeededFieldsForPipePack(neededFields, unneededFields, pp.resultField, pp.fields)
 }
 
-func (pp *pipePackJSON) optimize() {
-	// nothing to do
-}
-
 func (pp *pipePackJSON) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_pack_logfmt.go

@@ -33,10 +33,6 @@ func (pp *pipePackLogfmt) updateNeededFields(neededFields, unneededFields fields
 	updateNeededFieldsForPipePack(neededFields, unneededFields, pp.resultField, pp.fields)
 }
 
-func (pp *pipePackLogfmt) optimize() {
-	// nothing to do
-}
-
 func (pp *pipePackLogfmt) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_rename.go

@@ -58,10 +58,6 @@ func (pr *pipeRename) updateNeededFields(neededFields, unneededFields fieldsSet)
 	}
 }
 
-func (pr *pipeRename) optimize() {
-	// nothing to do
-}
-
 func (pr *pipeRename) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_replace.go

@@ -45,10 +45,6 @@ func (pr *pipeReplace) updateNeededFields(neededFields, unneededFields fieldsSet
 	updateNeededFieldsForUpdatePipe(neededFields, unneededFields, pr.field, pr.iff)
 }
 
-func (pr *pipeReplace) optimize() {
-	pr.iff.optimizeFilterIn()
-}
-
 func (pr *pipeReplace) hasFilterInWithQuery() bool {
 	return pr.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_replace_regexp.go

@@ -45,10 +45,6 @@ func (pr *pipeReplaceRegexp) updateNeededFields(neededFields, unneededFields fie
 	updateNeededFieldsForUpdatePipe(neededFields, unneededFields, pr.field, pr.iff)
 }
 
-func (pr *pipeReplaceRegexp) optimize() {
-	pr.iff.optimizeFilterIn()
-}
-
 func (pr *pipeReplaceRegexp) hasFilterInWithQuery() bool {
 	return pr.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_sort.go

@@ -89,10 +89,6 @@ func (ps *pipeSort) updateNeededFields(neededFields, unneededFields fieldsSet) {
 	}
 }
 
-func (ps *pipeSort) optimize() {
-	// nothing to do
-}
-
 func (ps *pipeSort) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_stats.go

@@ -123,12 +123,6 @@ func (ps *pipeStats) updateNeededFields(neededFields, unneededFields fieldsSet)
 	unneededFields.reset()
 }
 
-func (ps *pipeStats) optimize() {
-	for _, f := range ps.funcs {
-		f.iff.optimizeFilterIn()
-	}
-}
-
 func (ps *pipeStats) hasFilterInWithQuery() bool {
 	for _, f := range ps.funcs {
 		if f.iff.hasFilterInWithQuery() {

lib/logstorage/pipe_stream_context.go

@@ -55,10 +55,6 @@ func (pc *pipeStreamContext) updateNeededFields(neededFields, unneededFields fie
 	unneededFields.removeFields(neededFieldsForStreamContext)
 }
 
-func (pc *pipeStreamContext) optimize() {
-	// nothing to do
-}
-
 func (pc *pipeStreamContext) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_top.go

@@ -71,10 +71,6 @@ func (pt *pipeTop) updateNeededFields(neededFields, unneededFields fieldsSet) {
 	}
 }
 
-func (pt *pipeTop) optimize() {
-	// nothing to do
-}
-
 func (pt *pipeTop) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_uniq.go

@@ -58,10 +58,6 @@ func (pu *pipeUniq) updateNeededFields(neededFields, unneededFields fieldsSet) {
 	}
 }
 
-func (pu *pipeUniq) optimize() {
-	// nothing to do
-}
-
 func (pu *pipeUniq) hasFilterInWithQuery() bool {
 	return false
 }

lib/logstorage/pipe_unpack_json.go

@@ -60,10 +60,6 @@ func (pu *pipeUnpackJSON) updateNeededFields(neededFields, unneededFields fields
 	updateNeededFieldsForUnpackPipe(pu.fromField, pu.fields, pu.keepOriginalFields, pu.skipEmptyResults, pu.iff, neededFields, unneededFields)
 }
 
-func (pu *pipeUnpackJSON) optimize() {
-	pu.iff.optimizeFilterIn()
-}
-
 func (pu *pipeUnpackJSON) hasFilterInWithQuery() bool {
 	return pu.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_unpack_logfmt.go

@@ -58,10 +58,6 @@ func (pu *pipeUnpackLogfmt) updateNeededFields(neededFields, unneededFields fiel
 	updateNeededFieldsForUnpackPipe(pu.fromField, pu.fields, pu.keepOriginalFields, pu.skipEmptyResults, pu.iff, neededFields, unneededFields)
 }
 
-func (pu *pipeUnpackLogfmt) optimize() {
-	pu.iff.optimizeFilterIn()
-}
-
 func (pu *pipeUnpackLogfmt) hasFilterInWithQuery() bool {
 	return pu.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_unpack_syslog.go

@@ -54,10 +54,6 @@ func (pu *pipeUnpackSyslog) updateNeededFields(neededFields, unneededFields fiel
 	updateNeededFieldsForUnpackPipe(pu.fromField, nil, pu.keepOriginalFields, false, pu.iff, neededFields, unneededFields)
 }
 
-func (pu *pipeUnpackSyslog) optimize() {
-	pu.iff.optimizeFilterIn()
-}
-
 func (pu *pipeUnpackSyslog) hasFilterInWithQuery() bool {
 	return pu.iff.hasFilterInWithQuery()
 }

lib/logstorage/pipe_unroll.go

@@ -36,10 +36,6 @@ func (pu *pipeUnroll) canLiveTail() bool {
 	return true
 }
 
-func (pu *pipeUnroll) optimize() {
-	pu.iff.optimizeFilterIn()
-}
-
 func (pu *pipeUnroll) hasFilterInWithQuery() bool {
 	return pu.iff.hasFilterInWithQuery()
 }

lib/logstorage/storage_search.go

@@ -220,8 +220,6 @@ func (s *Storage) GetFieldNames(ctx context.Context, tenantIDs []TenantID, q *Qu
 func (s *Storage) getJoinMap(ctx context.Context, tenantIDs []TenantID, q *Query, byFields []string, prefix string) (map[string][][]Field, error) {
 	// TODO: track memory usage
 
-	logger.Infof("DEBUG: byFields=%q, prefix=%q", byFields, prefix)
-
 	m := make(map[string][][]Field)
 	var mLock sync.Mutex
 	writeBlockResult := func(_ uint, br *blockResult) {