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Fix a bug when MaxValueSize == 0 on Merge operations

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This commit is contained in:
James Mills 2020-12-18 07:35:16 +10:00
parent 29e1cf648b
commit 8a60b5a370
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GPG Key ID: AC4C014F1440EBD6
5 changed files with 18 additions and 6 deletions
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2
bitcask.go
View File

@ -446,7 +446,7 @@ func (b *Bitcask) Merge() error {
defer os.RemoveAll(temp)
// Create a merged database
mdb, err := Open(temp, b.options...)
mdb, err := Open(temp, withConfig(b.config))
if err != nil {
return err
}

2
go.mod
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@ -19,5 +19,5 @@ require (
golang.org/x/exp v0.0.0-20200228211341-fcea875c7e85
golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527
gopkg.in/ini.v1 v1.53.0 // indirect
gopkg.in/yaml.v2 v2.2.8 // indirect
gopkg.in/yaml.v2 v2.3.0 // indirect
)

5
go.sum
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@ -275,7 +275,6 @@ golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -345,8 +344,8 @@ gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bl
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

2
internal/index/codec_index.go
View File

@ -34,7 +34,7 @@ func readKeyBytes(r io.Reader, maxKeySize uint32) ([]byte, error) {
return nil, errors.Wrap(errTruncatedKeySize, err.Error())
}
size := binary.BigEndian.Uint32(s)
if size > uint32(maxKeySize) {
if maxKeySize > 0 && size > uint32(maxKeySize) {
return nil, errKeySizeTooLarge
}

13
options.go
View File

@ -31,6 +31,19 @@ const (
// Option is a function that takes a config struct and modifies it
type Option func(*config.Config) error
func withConfig(src *config.Config) Option {
return func(cfg *config.Config) error {
cfg.MaxDatafileSize = src.MaxDatafileSize
cfg.MaxKeySize = src.MaxKeySize
cfg.MaxValueSize = src.MaxValueSize
cfg.Sync = src.Sync
cfg.AutoRecovery = src.AutoRecovery
cfg.DirFileModeBeforeUmask = src.DirFileModeBeforeUmask
cfg.FileFileModeBeforeUmask = src.FileFileModeBeforeUmask
return nil
}
}
// WithAutoRecovery sets auto recovery of data and index file recreation.
// IMPORTANT: This flag MUST BE used only if a proper backup was made of all
// the existing datafiles.