forked from TrueCloudLab/frostfs-node
[#142] metabase: Fix false-positive select in absence of filtered header
Fix a bug in the selection when the object without some filtered header added to the final result. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v0.27
parent
3c39c5a90c
commit
62bd22a379
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@ -45,16 +45,17 @@ func (db *DB) Select(fs object.SearchFilters) ([]*object.Address, error) {
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})
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}
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// keep processed addresses (false if address was added and excluded later)
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mAddr := make(map[string]bool)
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// keep processed addresses
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// value equal to number (index+1) of latest matched filter
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mAddr := make(map[string]int)
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for _, f := range fs {
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matchFunc, ok := db.matchers[f.Operation()]
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for fNum := range fs {
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matchFunc, ok := db.matchers[fs[fNum].Operation()]
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if !ok {
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return errors.Errorf("no function for matcher %v", f.Operation())
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return errors.Errorf("no function for matcher %v", fs[fNum].Operation())
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}
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key := f.Header()
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key := fs[fNum].Header()
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// get bucket with values
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keyBucket := indexBucket.Bucket([]byte(key))
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@ -63,7 +64,7 @@ func (db *DB) Select(fs object.SearchFilters) ([]*object.Address, error) {
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return nil
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}
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fVal := f.Value()
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fVal := fs[fNum].Value()
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// iterate over all existing values for the key
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if err := keyBucket.ForEach(func(k, v []byte) error {
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@ -74,13 +75,12 @@ func (db *DB) Select(fs object.SearchFilters) ([]*object.Address, error) {
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return errors.Wrapf(err, "(%T) could not decode address list", db)
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}
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for i := range strs {
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if include {
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if _, ok := mAddr[strs[i]]; !ok {
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mAddr[strs[i]] = true
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}
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} else {
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mAddr[strs[i]] = false
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for j := range strs {
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if num := mAddr[strs[j]]; num != fNum {
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// than object does not match some previous filter
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continue
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} else if include {
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mAddr[strs[j]] = fNum + 1
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}
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}
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@ -90,8 +90,10 @@ func (db *DB) Select(fs object.SearchFilters) ([]*object.Address, error) {
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}
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}
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for a, inc := range mAddr {
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if !inc {
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fLen := len(fs)
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for a, ind := range mAddr {
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if ind != fLen {
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continue
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}
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@ -152,3 +152,35 @@ func TestSelectRemoved(t *testing.T) {
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testSelect(t, db, fs, obj2.Address())
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}
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func TestMissingObjectAttribute(t *testing.T) {
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db := newDB(t)
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defer releaseDB(db)
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// add object w/o attribute
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obj1 := generateObject(t, testPrm{
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attrNum: 1,
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})
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// add object w/o attribute
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obj2 := generateObject(t, testPrm{})
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a1 := obj1.GetAttributes()[0]
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// add common attribute
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aCommon := addCommonAttribute(obj1, obj2)
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// write to DB
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require.NoError(t, db.Put(obj1))
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require.NoError(t, db.Put(obj2))
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fs := objectSDK.SearchFilters{}
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// 1st filter by common attribute
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fs.AddFilter(aCommon.GetKey(), aCommon.GetValue(), objectSDK.MatchStringEqual)
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// next filter by attribute from 1st object only
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fs.AddFilter(a1.GetKey(), a1.GetValue(), objectSDK.MatchStringEqual)
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testSelect(t, db, fs, obj1.Address())
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}
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