f8d3d9f0cf
Some checks failed
Coverage / coverage (push) Failing after 6s
Tests / test (1.24.x, ubuntu-latest) (push) Failing after 42s
Tests / test (1.26.x, ubuntu-latest) (push) Failing after 38s
Tests / test (1.25.x, ubuntu-latest) (push) Failing after 35s
Tests / test (1.25.x, windows-latest) (push) Has been cancelled
Tests / test (1.26.x, macos-latest) (push) Has been cancelled
Tests / test (1.26.x, windows-latest) (push) Has been cancelled
Tests / test (1.24.x, macos-latest) (push) Has been cancelled
Tests / test (1.24.x, windows-latest) (push) Has been cancelled
Tests / test (1.25.x, macos-latest) (push) Has been cancelled
64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
// Copyright (c) 2026 Couchbase, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package search
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync/atomic"
|
|
)
|
|
|
|
// termSearchersCounter tracks the running total of leaf term searchers created
|
|
// while searching a single index and the limit beyond which construction fails.
|
|
type termSearchersCounter struct {
|
|
limit int
|
|
count atomic.Uint64
|
|
}
|
|
|
|
// ContextWithTermSearchersCounter installs a fresh counter for the limit at
|
|
// MaxTermSearchersKey, when that limit is positive. It is called once per index
|
|
// search (indexImpl.SearchInContext), so the counter is scoped to that index:
|
|
// within a single index it spans the whole query tree (all fan-out nodes share
|
|
// one counter), but across an IndexAlias each index is counted independently.
|
|
// context is returned unchanged and RecordTermSearcher stays a no-op.
|
|
func ContextWithTermSearchersCounter(ctx context.Context) context.Context {
|
|
if ctx == nil {
|
|
return ctx
|
|
}
|
|
limit, ok := ctx.Value(MaxTermSearchersKey).(int)
|
|
if !ok || limit <= 0 {
|
|
return ctx
|
|
}
|
|
return context.WithValue(ctx, termSearchersCounterKey,
|
|
&termSearchersCounter{limit: limit})
|
|
}
|
|
|
|
// RecordTermSearcher counts one leaf term searcher, returning an error once the
|
|
// running total exceeds the limit. It is a no-op when no counter was installed.
|
|
func RecordTermSearcher(ctx context.Context) error {
|
|
if ctx == nil {
|
|
return nil
|
|
}
|
|
c, ok := ctx.Value(termSearchersCounterKey).(*termSearchersCounter)
|
|
if !ok || c == nil {
|
|
return nil
|
|
}
|
|
if n := c.count.Add(1); n > uint64(c.limit) {
|
|
return fmt.Errorf("TooManyTermSearchers [%d > bleveMaxTerms,"+
|
|
" which is set to %d]", n, c.limit)
|
|
}
|
|
return nil
|
|
}
|