mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
Enable the limit query param for the /select/logsql/query (#5778)
* app/vlselect: add limit for logs query * app/vlselect: CHANGELOG.md * app/vlselect: stop search process if limit is reached, update logic, remove default limit * app/vlselect: fix tests * app/vlselect: fix filter tests * app/vlselect: fix tests
This commit is contained in:
Dmytro Kozlov
GitHub
parent
c42ddce159
commit
451d2abf50
6 changed files with 88 additions and 40 deletions
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@ -2,11 +2,13 @@ package logsql
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import (
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"net/http"
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"sync"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
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)
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@ -31,23 +33,36 @@ func ProcessQueryRequest(w http.ResponseWriter, r *http.Request, stopCh <-chan s
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httpserver.Errorf(w, r, "cannot parse query [%s]: %s", qStr, err)
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return
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}
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limit, err := httputils.GetInt(r, "limit")
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if err != nil {
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httpserver.Errorf(w, r, "cannot parse limit from the request: %s", err)
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return
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}
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w.Header().Set("Content-Type", "application/stream+json; charset=utf-8")
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sw := getSortWriter()
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sw.Init(w, maxSortBufferSize.IntN())
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tenantIDs := []logstorage.TenantID{tenantID}
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vlstorage.RunQuery(tenantIDs, q, stopCh, func(columns []logstorage.BlockColumn) {
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var mx sync.Mutex
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vlstorage.RunQuery(tenantIDs, q, stopCh, func(columns []logstorage.BlockColumn) bool {
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if len(columns) == 0 {
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return
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return true
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}
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rowsCount := len(columns[0].Values)
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mx.Lock()
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if rowsCount > limit {
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rowsCount = limit
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}
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limit = limit - rowsCount
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mx.Unlock()
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bb := blockResultPool.Get()
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for rowIdx := 0; rowIdx < rowsCount; rowIdx++ {
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WriteJSONRow(bb, columns, rowIdx)
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}
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sw.MustWrite(bb.B)
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blockResultPool.Put(bb)
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return limit == 0
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})
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sw.FinalFlush()
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putSortWriter(sw)
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@ -100,7 +100,7 @@ func MustAddRows(lr *logstorage.LogRows) {
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}
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// RunQuery runs the given q and calls processBlock for the returned data blocks
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func RunQuery(tenantIDs []logstorage.TenantID, q *logstorage.Query, stopCh <-chan struct{}, processBlock func(columns []logstorage.BlockColumn)) {
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func RunQuery(tenantIDs []logstorage.TenantID, q *logstorage.Query, stopCh <-chan struct{}, processBlock func(columns []logstorage.BlockColumn) bool) {
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strg.RunQuery(tenantIDs, q, stopCh, processBlock)
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}
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@ -63,6 +63,7 @@ Released at 2024-02-14
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* FEATURE: [dashboards/all](https://grafana.com/orgs/victoriametrics): add new panel `CPU spent on GC`. It should help identifying cases when too much CPU is spent on garbage collection, and advice users on how this can be addressed.
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* FEATURE: [vmalert](https://docs.victoriametrics.com/#vmalert): support [filtering](https://prometheus.io/docs/prometheus/2.49/querying/api/#rules) for `/api/v1/rules` API. See [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5749) by @victoramsantos.
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* FEATURE: [vmbackup](https://docs.victoriametrics.com/vmbackup.html): support client-side TLS configuration for creating and deleting snapshots via `-snapshot.tls*` cmd-line flags. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5724). Thanks to @khushijain21 for the [pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5738).
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* FEATURE: enable `limit` query param for `/select/logsql/query` VictoriaLogs API endpoint. By default this limit sets to 1000 lines, but it can be changed via query param. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5674).
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* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): reduce CPU usage when `-promscrape.dropOriginalLabels` command-line flag is set. This issue has been introduced in [v1.96.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.96.0) when addressing [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5389).
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* BUGFIX: [vmauth](https://docs.victoriametrics.com/vmauth.html): properly release memory during config reload. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4690).
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@ -9226,7 +9226,7 @@ func testFilterMatchForStorage(t *testing.T, s *Storage, tenantID TenantID, f fi
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resultColumnNames: []string{resultColumnName},
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}
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workersCount := 3
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s.search(workersCount, so, nil, func(workerID uint, br *blockResult) {
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s.search(workersCount, so, nil, func(workerID uint, br *blockResult) bool {
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// Verify tenantID
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if !br.streamID.tenantID.equal(&tenantID) {
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t.Fatalf("unexpected tenantID in blockResult; got %s; want %s", &br.streamID.tenantID, &tenantID)
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@ -9248,6 +9248,7 @@ func testFilterMatchForStorage(t *testing.T, s *Storage, tenantID TenantID, f fi
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if !reflect.DeepEqual(br.timestamps, expectedTimestamps) {
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t.Fatalf("unexpected timestamps;\ngot\n%d\nwant\n%d", br.timestamps, expectedTimestamps)
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}
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return false
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})
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}
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@ -1,6 +1,7 @@
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package logstorage
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import (
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"context"
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"math"
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"sort"
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"sync"
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@ -43,7 +44,7 @@ type searchOptions struct {
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}
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// RunQuery runs the given q and calls processBlock for results
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func (s *Storage) RunQuery(tenantIDs []TenantID, q *Query, stopCh <-chan struct{}, processBlock func(columns []BlockColumn)) {
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func (s *Storage) RunQuery(tenantIDs []TenantID, q *Query, stopCh <-chan struct{}, processBlock func(columns []BlockColumn) bool) {
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resultColumnNames := q.getResultColumnNames()
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so := &genericSearchOptions{
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tenantIDs: tenantIDs,
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@ -51,7 +52,7 @@ func (s *Storage) RunQuery(tenantIDs []TenantID, q *Query, stopCh <-chan struct{
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resultColumnNames: resultColumnNames,
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}
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workersCount := cgroup.AvailableCPUs()
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s.search(workersCount, so, stopCh, func(workerID uint, br *blockResult) {
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s.search(workersCount, so, stopCh, func(workerID uint, br *blockResult) bool {
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brs := getBlockRows()
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cs := brs.cs
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@ -61,10 +62,11 @@ func (s *Storage) RunQuery(tenantIDs []TenantID, q *Query, stopCh <-chan struct{
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Values: br.getColumnValues(i),
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})
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}
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processBlock(cs)
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limitReached := processBlock(cs)
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brs.cs = cs
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putBlockRows(brs)
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return limitReached
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})
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}
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@ -118,7 +120,7 @@ const blockSearchWorksPerBatch = 64
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// searchResultFunc must process sr.
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//
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// The callback is called at the worker with the given workerID.
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type searchResultFunc func(workerID uint, br *blockResult)
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type searchResultFunc func(workerID uint, br *blockResult) bool
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// search searches for the matching rows according to so.
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//
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@ -128,19 +130,34 @@ func (s *Storage) search(workersCount int, so *genericSearchOptions, stopCh <-ch
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var wg sync.WaitGroup
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workCh := make(chan []*blockSearchWork, workersCount)
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wg.Add(workersCount)
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ctx, cancelFn := context.WithCancel(context.Background())
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for i := 0; i < workersCount; i++ {
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go func(workerID uint) {
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defer wg.Done()
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bs := getBlockSearch()
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for bsws := range workCh {
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defer putBlockSearch(bs)
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for {
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select {
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case bsws, ok := <-workCh:
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if !ok {
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return
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}
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for _, bsw := range bsws {
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bs.search(bsw)
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if bs.br.RowsCount() > 0 {
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processBlockResult(workerID, &bs.br)
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limitReached := processBlockResult(workerID, &bs.br)
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if limitReached {
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cancelFn()
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return
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}
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}
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}
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putBlockSearch(bs)
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wg.Done()
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case <-ctx.Done():
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return
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}
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}
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}(uint(i))
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}
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@ -178,6 +195,7 @@ func (s *Storage) search(workersCount int, so *genericSearchOptions, stopCh <-ch
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// Wait until workers finish their work
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close(workCh)
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wg.Wait()
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cancelFn()
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// Decrement references to parts
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for _, pw := range pws {
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@ -84,7 +84,7 @@ func TestStorageRunQuery(t *testing.T) {
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AccountID: 0,
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ProjectID: 0,
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}
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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tenantIDs := []TenantID{tenantID}
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@ -96,7 +96,7 @@ func TestStorageRunQuery(t *testing.T) {
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AccountID: 1,
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ProjectID: 11,
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}
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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tenantIDs := []TenantID{tenantID}
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@ -111,7 +111,7 @@ func TestStorageRunQuery(t *testing.T) {
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}
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expectedTenantID := tenantID.String()
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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hasTenantIDColumn := false
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var columnNames []string
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for _, c := range columns {
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@ -132,6 +132,7 @@ func TestStorageRunQuery(t *testing.T) {
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panic(fmt.Errorf("missing tenant.id column among columns: %q", columnNames))
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}
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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tenantIDs := []TenantID{tenantID}
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s.RunQuery(tenantIDs, q, nil, processBlock)
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@ -145,8 +146,9 @@ func TestStorageRunQuery(t *testing.T) {
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t.Run("matching-multiple-tenant-ids", func(t *testing.T) {
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q := mustParseQuery(`"log message"`)
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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s.RunQuery(allTenantIDs, q, nil, processBlock)
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@ -158,8 +160,9 @@ func TestStorageRunQuery(t *testing.T) {
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t.Run("matching-in-filter", func(t *testing.T) {
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q := mustParseQuery(`source-file:in(foobar,/foo/bar/baz)`)
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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s.RunQuery(allTenantIDs, q, nil, processBlock)
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@ -170,7 +173,7 @@ func TestStorageRunQuery(t *testing.T) {
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})
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t.Run("stream-filter-mismatch", func(t *testing.T) {
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q := mustParseQuery(`_stream:{job="foobar",instance=~"host-.+:2345"} log`)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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s.RunQuery(allTenantIDs, q, nil, processBlock)
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@ -184,7 +187,7 @@ func TestStorageRunQuery(t *testing.T) {
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}
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expectedStreamID := fmt.Sprintf("stream_id=%d", i)
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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hasStreamIDColumn := false
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var columnNames []string
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for _, c := range columns {
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@ -205,6 +208,7 @@ func TestStorageRunQuery(t *testing.T) {
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panic(fmt.Errorf("missing stream-id column among columns: %q", columnNames))
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}
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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tenantIDs := []TenantID{tenantID}
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s.RunQuery(tenantIDs, q, nil, processBlock)
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@ -222,8 +226,9 @@ func TestStorageRunQuery(t *testing.T) {
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ProjectID: 11,
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}
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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tenantIDs := []TenantID{tenantID}
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s.RunQuery(tenantIDs, q, nil, processBlock)
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@ -242,8 +247,9 @@ func TestStorageRunQuery(t *testing.T) {
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ProjectID: 11,
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}
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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tenantIDs := []TenantID{tenantID}
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s.RunQuery(tenantIDs, q, nil, processBlock)
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@ -262,8 +268,9 @@ func TestStorageRunQuery(t *testing.T) {
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ProjectID: 11,
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}
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rowsCount := uint32(0)
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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atomic.AddUint32(&rowsCount, uint32(len(columns[0].Values)))
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return false
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}
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tenantIDs := []TenantID{tenantID}
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s.RunQuery(tenantIDs, q, nil, processBlock)
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@ -281,7 +288,7 @@ func TestStorageRunQuery(t *testing.T) {
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AccountID: 1,
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ProjectID: 11,
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}
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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tenantIDs := []TenantID{tenantID}
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@ -295,7 +302,7 @@ func TestStorageRunQuery(t *testing.T) {
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AccountID: 1,
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ProjectID: 11,
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}
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processBlock := func(columns []BlockColumn) {
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processBlock := func(columns []BlockColumn) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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tenantIDs := []TenantID{tenantID}
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@ -405,7 +412,7 @@ func TestStorageSearch(t *testing.T) {
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filter: f,
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resultColumnNames: []string{"_msg"},
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}
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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s.search(workersCount, so, nil, processBlock)
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@ -423,7 +430,7 @@ func TestStorageSearch(t *testing.T) {
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filter: f,
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resultColumnNames: []string{"_msg"},
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}
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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s.search(workersCount, so, nil, processBlock)
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@ -441,7 +448,7 @@ func TestStorageSearch(t *testing.T) {
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filter: f,
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resultColumnNames: []string{"_msg"},
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}
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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s.search(workersCount, so, nil, processBlock)
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@ -461,11 +468,12 @@ func TestStorageSearch(t *testing.T) {
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resultColumnNames: []string{"_msg"},
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}
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rowsCount := uint32(0)
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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if !br.streamID.tenantID.equal(&tenantID) {
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panic(fmt.Errorf("unexpected tenantID; got %s; want %s", &br.streamID.tenantID, &tenantID))
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}
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atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
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return false
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}
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s.search(workersCount, so, nil, processBlock)
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@ -485,8 +493,9 @@ func TestStorageSearch(t *testing.T) {
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resultColumnNames: []string{"_msg"},
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}
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rowsCount := uint32(0)
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
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return false
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}
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s.search(workersCount, so, nil, processBlock)
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@ -505,7 +514,7 @@ func TestStorageSearch(t *testing.T) {
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filter: f,
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resultColumnNames: []string{"_msg"},
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}
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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panic(fmt.Errorf("unexpected match"))
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}
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s.search(workersCount, so, nil, processBlock)
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|
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@ -526,11 +535,12 @@ func TestStorageSearch(t *testing.T) {
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resultColumnNames: []string{"_msg"},
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}
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rowsCount := uint32(0)
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processBlock := func(workerID uint, br *blockResult) {
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processBlock := func(workerID uint, br *blockResult) bool {
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if !br.streamID.tenantID.equal(&tenantID) {
|
||||
panic(fmt.Errorf("unexpected tenantID; got %s; want %s", &br.streamID.tenantID, &tenantID))
|
||||
}
|
||||
atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
|
||||
return false
|
||||
}
|
||||
s.search(workersCount, so, nil, processBlock)
|
||||
|
||||
|
|
@ -555,11 +565,12 @@ func TestStorageSearch(t *testing.T) {
|
|||
resultColumnNames: []string{"_msg"},
|
||||
}
|
||||
rowsCount := uint32(0)
|
||||
processBlock := func(workerID uint, br *blockResult) {
|
||||
processBlock := func(workerID uint, br *blockResult) bool {
|
||||
if !br.streamID.tenantID.equal(&tenantID) {
|
||||
panic(fmt.Errorf("unexpected tenantID; got %s; want %s", &br.streamID.tenantID, &tenantID))
|
||||
}
|
||||
atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
|
||||
return false
|
||||
}
|
||||
s.search(workersCount, so, nil, processBlock)
|
||||
|
||||
|
|
@ -592,11 +603,12 @@ func TestStorageSearch(t *testing.T) {
|
|||
resultColumnNames: []string{"_msg"},
|
||||
}
|
||||
rowsCount := uint32(0)
|
||||
processBlock := func(workerID uint, br *blockResult) {
|
||||
processBlock := func(workerID uint, br *blockResult) bool {
|
||||
if !br.streamID.tenantID.equal(&tenantID) {
|
||||
panic(fmt.Errorf("unexpected tenantID; got %s; want %s", &br.streamID.tenantID, &tenantID))
|
||||
}
|
||||
atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
|
||||
return false
|
||||
}
|
||||
s.search(workersCount, so, nil, processBlock)
|
||||
|
||||
|
|
@ -620,8 +632,9 @@ func TestStorageSearch(t *testing.T) {
|
|||
resultColumnNames: []string{"_msg"},
|
||||
}
|
||||
rowsCount := uint32(0)
|
||||
processBlock := func(workerID uint, br *blockResult) {
|
||||
processBlock := func(workerID uint, br *blockResult) bool {
|
||||
atomic.AddUint32(&rowsCount, uint32(br.RowsCount()))
|
||||
return false
|
||||
}
|
||||
s.search(workersCount, so, nil, processBlock)
|
||||
|
||||
|
|
@ -644,7 +657,7 @@ func TestStorageSearch(t *testing.T) {
|
|||
filter: f,
|
||||
resultColumnNames: []string{"_msg"},
|
||||
}
|
||||
processBlock := func(workerID uint, br *blockResult) {
|
||||
processBlock := func(workerID uint, br *blockResult) bool {
|
||||
panic(fmt.Errorf("unexpected match"))
|
||||
}
|
||||
s.search(workersCount, so, nil, processBlock)
|
||||
|
|
|
|||
Loading…
Reference in a new issue