backends

package
v3.4.5 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Feb 4, 2021 License: LGPL-2.1 Imports: 54 Imported by: 4

Documentation

Index

Constants

View Source 
const (
	FormatYAML SerializationFormat = `yaml`
	FormatJSON                     = `json`
	FormatCSV                      = `csv`
)
View Source 
const ClientUserAgent = `pivot/` + util.Version
View Source 
const DefaultFilesystemRecordSubdirectory = `data`

Variables

View Source 
var AutopingTimeout = 5 * time.Second
View Source 
var BleveBatchFlushCount = 1
View Source 
var BleveBatchFlushInterval = 10 * time.Second
View Source 
var BleveIdentityField = `_id`
View Source 
var DefaultAmazonRegion = `us-east-1`
View Source 
var DefaultAutoregister = false
View Source 
var DefaultCompoundJoiner = `:`
View Source 
var DefaultConnectTimeout = 10 * time.Second
View Source 
var DefaultSharedCredentialsFile = `~/.aws/credentials`
View Source 
var DefaultSharedCredentialsProfile = `default`
View Source 
var DyanmoListFieldsLimit = 8192
View Source 
var ElasticsearchAnalyzers = map[string]interface{}{
	`pivot_case_insensitive`: map[string]interface{}{
		`tokenizer`: `keyword`,
		`filter`:    []string{`lowercase`},
	},
}
View Source 
var ElasticsearchBatchFlushCount = 1
View Source 
var ElasticsearchBatchFlushInterval = 10 * time.Second
View Source 
var ElasticsearchConnectTimeout = 3 * time.Second
View Source 
var ElasticsearchDefaultCompositeJoiner = `--`
View Source 
var ElasticsearchDefaultHost = `localhost:9200`
View Source 
var ElasticsearchDefaultRefresh = `false`
View Source 
var ElasticsearchDefaultReplicas = 2
View Source 
var ElasticsearchDefaultScheme = `http`
View Source 
var ElasticsearchDefaultShards = 3
View Source 
var ElasticsearchDefaultType = `_doc`
View Source 
var ElasticsearchDocumentType = `_doc`
View Source 
var ElasticsearchIdentityField = `_id`
View Source 
var ElasticsearchNormalizers = map[string]interface{}{
	`pivot_normalize_string`: map[string]interface{}{
		`type`:   `custom`,
		`filter`: []string{`lowercase`},
	},
}
View Source 
var ElasticsearchRequestTimeout = 30 * time.Second
View Source 
var ElasticsearchResponseHeaderTimeout = 10 * time.Second
View Source 
var ElasticsearchScrollLifetime = `1m`
View Source 
var ElasticsearchTLSTimeout = 10 * time.Second
View Source 
var FilesystemKeyJoiner = `--`
View Source 
var FilesystemRecordCacheSize = 1024
View Source 
var IndexerPageSize int = 100
View Source 
var IndexerResultsStop = fmt.Errorf(`stop indexer results`)
View Source 
var InitialPingTimeout = time.Duration(10) * time.Second
View Source 
var MaxFacetCardinality int = 10000
View Source 
var MongoIdentityField = `_id`
View Source 
var NotImplementedError = fmt.Errorf("Not Implemented")
View Source 
var RecordCacheEnabled = false
View Source 
var RedisDefaultAddress = `localhost:6379`
View Source 
var RedisDefaultProtocol = `tcp`
View Source 
var SqlArrayFieldHintLength = 131069
View Source 
var SqlObjectFieldHintLength = 131071
View Source 
var WriteLockFormat = `%s.lock`

Functions

func DefaultQueryImplementation 

func DefaultQueryImplementation(indexer Indexer, collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func PopulateRecordSetPageDetails 

func PopulateRecordSetPageDetails(recordset *dal.RecordSet, f *filter.Filter, page IndexPage)

func PopulateRelationships added in v3.0.22 

func PopulateRelationships(backend Backend, parent *dal.Collection, record *dal.Record, prepId func(interface{}) interface{}, requestedFields ...string) error

func RegisterBackend 

func RegisterBackend(name string, fn BackendFunc)

Register a new or replacement backend for the given connection string scheme. For example, registering backend "foo" will allow Pivot to handle "foo://" connection strings.

func RegisterSqlInitFunc added in v3.3.0 

func RegisterSqlInitFunc(scheme string, fn SqlInitFunc)

func RegisterSqlPreInitFunc added in v3.3.0 

func RegisterSqlPreInitFunc(scheme string, fn SqlPreInitFunc)

func ResolveDeferredRecords added in v3.0.22 

func ResolveDeferredRecords(cache map[string]interface{}, records ...*dal.Record) error

Types

type Aggregator 

type Aggregator interface {
	AggregatorConnectionString() *dal.ConnectionString
	AggregatorInitialize(Backend) error
	Sum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Count(collection *dal.Collection, f ...*filter.Filter) (uint64, error)
	Minimum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Maximum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Average(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	GroupBy(collection *dal.Collection, fields []string, aggregates []filter.Aggregate, f ...*filter.Filter) (*dal.RecordSet, error)
}

type Backend 

type Backend interface {
	Initialize() error
	SetIndexer(dal.ConnectionString) error
	RegisterCollection(*dal.Collection)
	GetConnectionString() *dal.ConnectionString
	Exists(collection string, id interface{}) bool
	Retrieve(collection string, id interface{}, fields ...string) (*dal.Record, error)
	Insert(collection string, records *dal.RecordSet) error
	Update(collection string, records *dal.RecordSet, target ...string) error
	Delete(collection string, ids ...interface{}) error
	CreateCollection(definition *dal.Collection) error
	DeleteCollection(collection string) error
	ListCollections() ([]string, error)
	GetCollection(collection string) (*dal.Collection, error)
	WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer
	WithAggregator(collection *dal.Collection) Aggregator
	Flush() error
	Ping(time.Duration) error
	String() string
	Supports(feature ...BackendFeature) bool
}

func MakeBackend 

func MakeBackend(connection dal.ConnectionString) (Backend, error)

Instantiate the appropriate Backend for the given connection string.

func NewDynamoBackend 

func NewDynamoBackend(connection dal.ConnectionString) Backend

func NewElasticsearchBackend added in v3.4.0 

func NewElasticsearchBackend(connection dal.ConnectionString) Backend

func NewFileBackend added in v3.0.45 

func NewFileBackend(connection dal.ConnectionString) Backend

func NewFilesystemBackend 

func NewFilesystemBackend(connection dal.ConnectionString) Backend

func NewMongoBackend 

func NewMongoBackend(connection dal.ConnectionString) Backend

func NewRedisBackend 

func NewRedisBackend(connection dal.ConnectionString) Backend

func NewSqlBackend 

func NewSqlBackend(connection dal.ConnectionString) Backend

type BackendFeature added in v3.0.11 

type BackendFeature int
const (
	PartialSearch BackendFeature = iota
	CompositeKeys
	Constraints
)

type BackendFunc 

type BackendFunc func(dal.ConnectionString) Backend

type BleveIndexer 

type BleveIndexer struct {
	Indexer
	// contains filtered or unexported fields
}

func NewBleveIndexer 

func NewBleveIndexer(connection dal.ConnectionString) *BleveIndexer

func (*BleveIndexer) DeleteQuery 

func (self *BleveIndexer) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*BleveIndexer) FlushIndex 

func (self *BleveIndexer) FlushIndex() error

func (*BleveIndexer) GetBackend 

func (self *BleveIndexer) GetBackend() Backend

func (*BleveIndexer) Index 

func (self *BleveIndexer) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*BleveIndexer) IndexConnectionString 

func (self *BleveIndexer) IndexConnectionString() *dal.ConnectionString

func (*BleveIndexer) IndexExists 

func (self *BleveIndexer) IndexExists(collection *dal.Collection, id interface{}) bool

func (*BleveIndexer) IndexInitialize 

func (self *BleveIndexer) IndexInitialize(parent Backend) error

func (*BleveIndexer) IndexRemove 

func (self *BleveIndexer) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*BleveIndexer) IndexRetrieve 

func (self *BleveIndexer) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*BleveIndexer) ListValues 

func (self *BleveIndexer) ListValues(collection *dal.Collection, fields []string, f *filter.Filter) (map[string][]interface{}, error)

func (*BleveIndexer) Query 

func (self *BleveIndexer) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*BleveIndexer) QueryFunc 

func (self *BleveIndexer) QueryFunc(collection *dal.Collection, f *filter.Filter, resultFn IndexResultFunc) error

type CachingBackend 

type CachingBackend struct {
	// contains filtered or unexported fields
}

func NewCachingBackend 

func NewCachingBackend(parent Backend) *CachingBackend

func (*CachingBackend) CreateCollection 

func (self *CachingBackend) CreateCollection(definition *dal.Collection) error

func (*CachingBackend) Delete 

func (self *CachingBackend) Delete(collection string, ids ...interface{}) error

func (*CachingBackend) DeleteCollection 

func (self *CachingBackend) DeleteCollection(collection string) error

func (*CachingBackend) Exists 

func (self *CachingBackend) Exists(collection string, id interface{}) bool

passthrough the remaining functions to fulfill the Backend interface -------------------------------------------------------------------------------------------------

func (*CachingBackend) Flush 

func (self *CachingBackend) Flush() error

func (*CachingBackend) GetCollection 

func (self *CachingBackend) GetCollection(collection string) (*dal.Collection, error)

func (*CachingBackend) GetConnectionString 

func (self *CachingBackend) GetConnectionString() *dal.ConnectionString

func (*CachingBackend) Initialize 

func (self *CachingBackend) Initialize() error

func (*CachingBackend) Insert 

func (self *CachingBackend) Insert(collection string, records *dal.RecordSet) error

func (*CachingBackend) ListCollections 

func (self *CachingBackend) ListCollections() ([]string, error)

func (*CachingBackend) Ping 

func (self *CachingBackend) Ping(d time.Duration) error

func (*CachingBackend) RegisterCollection 

func (self *CachingBackend) RegisterCollection(c *dal.Collection)

func (*CachingBackend) ResetCache 

func (self *CachingBackend) ResetCache()

func (*CachingBackend) Retrieve 

func (self *CachingBackend) Retrieve(collection string, id interface{}, fields ...string) (*dal.Record, error)

func (*CachingBackend) SetIndexer 

func (self *CachingBackend) SetIndexer(cs dal.ConnectionString) error

func (*CachingBackend) String 

func (self *CachingBackend) String() string

func (*CachingBackend) Supports added in v3.0.11 

func (self *CachingBackend) Supports(feature ...BackendFeature) bool

func (*CachingBackend) Update 

func (self *CachingBackend) Update(collection string, records *dal.RecordSet, target ...string) error

func (*CachingBackend) WithAggregator 

func (self *CachingBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*CachingBackend) WithSearch 

func (self *CachingBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type ConnectOptions 

type ConnectOptions struct {
	Indexer               string   `json:"indexer"`
	AdditionalIndexers    []string `json:"additional_indexers"`
	SkipInitialize        bool     `json:"skip_initialize"`
	AutocreateCollections bool     `json:"autocreate_collections"`
}

type DeferredRecord added in v3.0.22 

type DeferredRecord struct {
	Original          interface{}
	Backend           Backend
	IdentityFieldName string
	CollectionName    string
	ID                interface{}
	Keys              []string
}

func (*DeferredRecord) GroupKey added in v3.0.22 

func (self *DeferredRecord) GroupKey(id ...interface{}) string

func (*DeferredRecord) String added in v3.0.22 

func (self *DeferredRecord) String() string

type DynamoBackend 

type DynamoBackend struct {
	Backend
	Indexer
	// contains filtered or unexported fields
}

func (*DynamoBackend) CreateCollection 

func (self *DynamoBackend) CreateCollection(definition *dal.Collection) error

func (*DynamoBackend) Delete 

func (self *DynamoBackend) Delete(name string, ids ...interface{}) error

func (*DynamoBackend) DeleteCollection 

func (self *DynamoBackend) DeleteCollection(name string) error

func (*DynamoBackend) DeleteQuery 

func (self *DynamoBackend) DeleteQuery(collection *dal.Collection, flt *filter.Filter) error

func (*DynamoBackend) Exists 

func (self *DynamoBackend) Exists(name string, id interface{}) bool

func (*DynamoBackend) Flush 

func (self *DynamoBackend) Flush() error

func (*DynamoBackend) FlushIndex 

func (self *DynamoBackend) FlushIndex() error

func (*DynamoBackend) GetBackend 

func (self *DynamoBackend) GetBackend() Backend

func (*DynamoBackend) GetCollection 

func (self *DynamoBackend) GetCollection(name string) (*dal.Collection, error)

func (*DynamoBackend) GetConnectionString 

func (self *DynamoBackend) GetConnectionString() *dal.ConnectionString

func (*DynamoBackend) Index 

func (self *DynamoBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*DynamoBackend) IndexConnectionString 

func (self *DynamoBackend) IndexConnectionString() *dal.ConnectionString

func (*DynamoBackend) IndexExists 

func (self *DynamoBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*DynamoBackend) IndexInitialize 

func (self *DynamoBackend) IndexInitialize(Backend) error

func (*DynamoBackend) IndexRemove 

func (self *DynamoBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*DynamoBackend) IndexRetrieve 

func (self *DynamoBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*DynamoBackend) Initialize 

func (self *DynamoBackend) Initialize() error

func (*DynamoBackend) Insert 

func (self *DynamoBackend) Insert(name string, records *dal.RecordSet) error

func (*DynamoBackend) ListCollections 

func (self *DynamoBackend) ListCollections() ([]string, error)

func (*DynamoBackend) ListValues 

func (self *DynamoBackend) ListValues(collection *dal.Collection, fields []string, flt *filter.Filter) (map[string][]interface{}, error)

func (*DynamoBackend) Ping 

func (self *DynamoBackend) Ping(timeout time.Duration) error

func (*DynamoBackend) Query 

func (self *DynamoBackend) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*DynamoBackend) QueryFunc 

func (self *DynamoBackend) QueryFunc(collection *dal.Collection, flt *filter.Filter, resultFn IndexResultFunc) error

func (*DynamoBackend) RegisterCollection 

func (self *DynamoBackend) RegisterCollection(definition *dal.Collection)

func (*DynamoBackend) Retrieve 

func (self *DynamoBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*DynamoBackend) SetIndexer 

func (self *DynamoBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*DynamoBackend) String 

func (self *DynamoBackend) String() string

func (*DynamoBackend) Supports added in v3.0.11 

func (self *DynamoBackend) Supports(features ...BackendFeature) bool

func (*DynamoBackend) Update 

func (self *DynamoBackend) Update(name string, records *dal.RecordSet, target ...string) error

func (*DynamoBackend) WithAggregator 

func (self *DynamoBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*DynamoBackend) WithSearch 

func (self *DynamoBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type ElasticsearchBackend added in v3.4.0 

type ElasticsearchBackend struct {
	// contains filtered or unexported fields
}

func (*ElasticsearchBackend) CreateCollection added in v3.4.0 

func (self *ElasticsearchBackend) CreateCollection(definition *dal.Collection) error

func (*ElasticsearchBackend) Delete added in v3.4.0 

func (self *ElasticsearchBackend) Delete(name string, ids ...interface{}) error

func (*ElasticsearchBackend) DeleteCollection added in v3.4.0 

func (self *ElasticsearchBackend) DeleteCollection(name string) error

func (*ElasticsearchBackend) Exists added in v3.4.0 

func (self *ElasticsearchBackend) Exists(name string, id interface{}) bool

func (*ElasticsearchBackend) Flush added in v3.4.0 

func (self *ElasticsearchBackend) Flush() error

func (*ElasticsearchBackend) GetCollection added in v3.4.0 

func (self *ElasticsearchBackend) GetCollection(name string) (*dal.Collection, error)

func (*ElasticsearchBackend) GetConnectionString added in v3.4.0 

func (self *ElasticsearchBackend) GetConnectionString() *dal.ConnectionString

func (*ElasticsearchBackend) Initialize added in v3.4.0 

func (self *ElasticsearchBackend) Initialize() error

func (*ElasticsearchBackend) Insert added in v3.4.0 

func (self *ElasticsearchBackend) Insert(name string, records *dal.RecordSet) error

func (*ElasticsearchBackend) ListCollections added in v3.4.0 

func (self *ElasticsearchBackend) ListCollections() ([]string, error)

func (*ElasticsearchBackend) Ping added in v3.4.0 

func (self *ElasticsearchBackend) Ping(timeout time.Duration) error

func (*ElasticsearchBackend) RegisterCollection added in v3.4.0 

func (self *ElasticsearchBackend) RegisterCollection(definition *dal.Collection)

func (*ElasticsearchBackend) Retrieve added in v3.4.0 

func (self *ElasticsearchBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*ElasticsearchBackend) SetIndexer added in v3.4.0 

func (self *ElasticsearchBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*ElasticsearchBackend) String added in v3.4.0 

func (self *ElasticsearchBackend) String() string

func (*ElasticsearchBackend) Supports added in v3.4.0 

func (self *ElasticsearchBackend) Supports(features ...BackendFeature) bool

func (*ElasticsearchBackend) Update added in v3.4.0 

func (self *ElasticsearchBackend) Update(name string, records *dal.RecordSet, target ...string) error

func (*ElasticsearchBackend) WithAggregator added in v3.4.0 

func (self *ElasticsearchBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*ElasticsearchBackend) WithSearch added in v3.4.0 

func (self *ElasticsearchBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type ElasticsearchIndexer 

type ElasticsearchIndexer struct {
	Indexer
	// contains filtered or unexported fields
}

func NewElasticsearchIndexer 

func NewElasticsearchIndexer(connection dal.ConnectionString) *ElasticsearchIndexer

func (*ElasticsearchIndexer) AggregatorConnectionString 

func (self *ElasticsearchIndexer) AggregatorConnectionString() *dal.ConnectionString

func (*ElasticsearchIndexer) AggregatorInitialize 

func (self *ElasticsearchIndexer) AggregatorInitialize(parent Backend) error

func (*ElasticsearchIndexer) Average 

func (self *ElasticsearchIndexer) Average(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*ElasticsearchIndexer) Count 

func (self *ElasticsearchIndexer) Count(collection *dal.Collection, flt ...*filter.Filter) (uint64, error)

func (*ElasticsearchIndexer) DeleteQuery 

func (self *ElasticsearchIndexer) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*ElasticsearchIndexer) FlushIndex 

func (self *ElasticsearchIndexer) FlushIndex() error

func (*ElasticsearchIndexer) GetBackend 

func (self *ElasticsearchIndexer) GetBackend() Backend

func (*ElasticsearchIndexer) GroupBy 

func (self *ElasticsearchIndexer) GroupBy(collection *dal.Collection, groupBy []string, aggregates []filter.Aggregate, flt ...*filter.Filter) (*dal.RecordSet, error)

func (*ElasticsearchIndexer) Index 

func (self *ElasticsearchIndexer) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*ElasticsearchIndexer) IndexConnectionString 

func (self *ElasticsearchIndexer) IndexConnectionString() *dal.ConnectionString

func (*ElasticsearchIndexer) IndexExists 

func (self *ElasticsearchIndexer) IndexExists(collection *dal.Collection, id interface{}) bool

func (*ElasticsearchIndexer) IndexInitialize 

func (self *ElasticsearchIndexer) IndexInitialize(parent Backend) error

func (*ElasticsearchIndexer) IndexRemove 

func (self *ElasticsearchIndexer) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*ElasticsearchIndexer) IndexRetrieve 

func (self *ElasticsearchIndexer) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*ElasticsearchIndexer) ListValues 

func (self *ElasticsearchIndexer) ListValues(collection *dal.Collection, fields []string, f *filter.Filter) (map[string][]interface{}, error)

func (*ElasticsearchIndexer) Maximum 

func (self *ElasticsearchIndexer) Maximum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*ElasticsearchIndexer) Minimum 

func (self *ElasticsearchIndexer) Minimum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*ElasticsearchIndexer) Query 

func (self *ElasticsearchIndexer) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*ElasticsearchIndexer) QueryFunc 

func (self *ElasticsearchIndexer) QueryFunc(collection *dal.Collection, f *filter.Filter, resultFn IndexResultFunc) error

func (*ElasticsearchIndexer) Sum 

func (self *ElasticsearchIndexer) Sum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

type EmbeddedRecordBackend 

type EmbeddedRecordBackend struct {
	SkipKeys []string
	// contains filtered or unexported fields
}

func NewEmbeddedRecordBackend 

func NewEmbeddedRecordBackend(parent Backend, skipKeys ...string) *EmbeddedRecordBackend

func (*EmbeddedRecordBackend) CreateCollection 

func (self *EmbeddedRecordBackend) CreateCollection(definition *dal.Collection) error

func (*EmbeddedRecordBackend) Delete 

func (self *EmbeddedRecordBackend) Delete(collection string, ids ...interface{}) error

func (*EmbeddedRecordBackend) DeleteCollection 

func (self *EmbeddedRecordBackend) DeleteCollection(collection string) error

func (*EmbeddedRecordBackend) DeleteQuery added in v3.0.22 

func (self *EmbeddedRecordBackend) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*EmbeddedRecordBackend) EmbedRelationships added in v3.0.22 

func (self *EmbeddedRecordBackend) EmbedRelationships(collection *dal.Collection, record *dal.Record, fields ...string) (*dal.Record, error)

func (*EmbeddedRecordBackend) Exists 

func (self *EmbeddedRecordBackend) Exists(collection string, id interface{}) bool

passthrough the remaining functions to fulfill the Backend interface -------------------------------------------------------------------------------------------------

func (*EmbeddedRecordBackend) Flush 

func (self *EmbeddedRecordBackend) Flush() error

func (*EmbeddedRecordBackend) FlushIndex added in v3.0.22 

func (self *EmbeddedRecordBackend) FlushIndex() error

func (*EmbeddedRecordBackend) GetBackend added in v3.0.22 

func (self *EmbeddedRecordBackend) GetBackend() Backend

fulfill the Indexer interface -------------------------------------------------------------------------------------------------

func (*EmbeddedRecordBackend) GetCollection 

func (self *EmbeddedRecordBackend) GetCollection(collection string) (*dal.Collection, error)

func (*EmbeddedRecordBackend) GetConnectionString 

func (self *EmbeddedRecordBackend) GetConnectionString() *dal.ConnectionString

func (*EmbeddedRecordBackend) Index added in v3.0.22 

func (self *EmbeddedRecordBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*EmbeddedRecordBackend) IndexConnectionString added in v3.0.22 

func (self *EmbeddedRecordBackend) IndexConnectionString() *dal.ConnectionString

func (*EmbeddedRecordBackend) IndexExists added in v3.0.22 

func (self *EmbeddedRecordBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*EmbeddedRecordBackend) IndexInitialize added in v3.0.22 

func (self *EmbeddedRecordBackend) IndexInitialize(b Backend) error

func (*EmbeddedRecordBackend) IndexRemove added in v3.0.22 

func (self *EmbeddedRecordBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*EmbeddedRecordBackend) IndexRetrieve added in v3.0.22 

func (self *EmbeddedRecordBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*EmbeddedRecordBackend) Initialize 

func (self *EmbeddedRecordBackend) Initialize() error

func (*EmbeddedRecordBackend) Insert 

func (self *EmbeddedRecordBackend) Insert(collection string, records *dal.RecordSet) error

func (*EmbeddedRecordBackend) ListCollections 

func (self *EmbeddedRecordBackend) ListCollections() ([]string, error)

func (*EmbeddedRecordBackend) ListValues added in v3.0.22 

func (self *EmbeddedRecordBackend) ListValues(collection *dal.Collection, fields []string, filter *filter.Filter) (map[string][]interface{}, error)

func (*EmbeddedRecordBackend) Migrate added in v3.3.1 

func (self *EmbeddedRecordBackend) Migrate() error

func (*EmbeddedRecordBackend) Ping 

func (self *EmbeddedRecordBackend) Ping(d time.Duration) error

func (*EmbeddedRecordBackend) Query added in v3.0.22 

func (self *EmbeddedRecordBackend) Query(collection *dal.Collection, filter *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*EmbeddedRecordBackend) QueryFunc added in v3.0.22 

func (self *EmbeddedRecordBackend) QueryFunc(collection *dal.Collection, filter *filter.Filter, resultFn IndexResultFunc) error

func (*EmbeddedRecordBackend) RegisterCollection 

func (self *EmbeddedRecordBackend) RegisterCollection(c *dal.Collection)

func (*EmbeddedRecordBackend) Retrieve 

func (self *EmbeddedRecordBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*EmbeddedRecordBackend) SetIndexer 

func (self *EmbeddedRecordBackend) SetIndexer(cs dal.ConnectionString) error

func (*EmbeddedRecordBackend) String 

func (self *EmbeddedRecordBackend) String() string

func (*EmbeddedRecordBackend) Supports added in v3.0.11 

func (self *EmbeddedRecordBackend) Supports(feature ...BackendFeature) bool

func (*EmbeddedRecordBackend) Update 

func (self *EmbeddedRecordBackend) Update(collection string, records *dal.RecordSet, target ...string) error

func (*EmbeddedRecordBackend) WithAggregator 

func (self *EmbeddedRecordBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*EmbeddedRecordBackend) WithSearch 

func (self *EmbeddedRecordBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type FileBackend added in v3.0.45 

type FileBackend struct {
	Backend
	Indexer
	// contains filtered or unexported fields
}

func (*FileBackend) CreateCollection added in v3.0.45 

func (self *FileBackend) CreateCollection(definition *dal.Collection) error

func (*FileBackend) Delete added in v3.0.45 

func (self *FileBackend) Delete(collection string, ids ...interface{}) error

func (*FileBackend) DeleteCollection added in v3.0.45 

func (self *FileBackend) DeleteCollection(collection string) error

func (*FileBackend) Exists added in v3.0.45 

func (self *FileBackend) Exists(name string, id interface{}) bool

func (*FileBackend) Flush added in v3.0.45 

func (self *FileBackend) Flush() error

func (*FileBackend) GetCollection added in v3.0.45 

func (self *FileBackend) GetCollection(collection string) (*dal.Collection, error)

func (*FileBackend) GetConnectionString added in v3.0.45 

func (self *FileBackend) GetConnectionString() *dal.ConnectionString

func (*FileBackend) Initialize added in v3.0.45 

func (self *FileBackend) Initialize() error

func (*FileBackend) Insert added in v3.0.45 

func (self *FileBackend) Insert(collection string, records *dal.RecordSet) error

func (*FileBackend) ListCollections added in v3.0.45 

func (self *FileBackend) ListCollections() ([]string, error)

func (*FileBackend) Ping added in v3.0.45 

func (self *FileBackend) Ping(_ time.Duration) error

func (*FileBackend) RegisterCollection added in v3.0.45 

func (self *FileBackend) RegisterCollection(collection *dal.Collection)

func (*FileBackend) Retrieve added in v3.0.45 

func (self *FileBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*FileBackend) SetIndexer added in v3.0.45 

func (self *FileBackend) SetIndexer(dal.ConnectionString) error

func (*FileBackend) String added in v3.0.45 

func (self *FileBackend) String() string

func (*FileBackend) Supports added in v3.0.45 

func (self *FileBackend) Supports(features ...BackendFeature) bool

func (*FileBackend) Update added in v3.0.45 

func (self *FileBackend) Update(collection string, records *dal.RecordSet, target ...string) error

func (*FileBackend) WithAggregator added in v3.0.45 

func (self *FileBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*FileBackend) WithSearch added in v3.0.45 

func (self *FileBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type FilesystemBackend 

type FilesystemBackend struct {
	Backend
	Indexer
	// contains filtered or unexported fields
}

func (*FilesystemBackend) CreateCollection 

func (self *FilesystemBackend) CreateCollection(definition *dal.Collection) error

func (*FilesystemBackend) Delete 

func (self *FilesystemBackend) Delete(name string, ids ...interface{}) error

func (*FilesystemBackend) DeleteCollection 

func (self *FilesystemBackend) DeleteCollection(name string) error

func (*FilesystemBackend) DeleteQuery 

func (self *FilesystemBackend) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*FilesystemBackend) Exists 

func (self *FilesystemBackend) Exists(name string, id interface{}) bool

func (*FilesystemBackend) Flush 

func (self *FilesystemBackend) Flush() error

func (*FilesystemBackend) FlushIndex 

func (self *FilesystemBackend) FlushIndex() error

func (*FilesystemBackend) GetBackend 

func (self *FilesystemBackend) GetBackend() Backend

func (*FilesystemBackend) GetCollection 

func (self *FilesystemBackend) GetCollection(name string) (*dal.Collection, error)

func (*FilesystemBackend) GetConnectionString 

func (self *FilesystemBackend) GetConnectionString() *dal.ConnectionString

func (*FilesystemBackend) Index 

func (self *FilesystemBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*FilesystemBackend) IndexConnectionString 

func (self *FilesystemBackend) IndexConnectionString() *dal.ConnectionString

func (*FilesystemBackend) IndexExists 

func (self *FilesystemBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*FilesystemBackend) IndexInitialize 

func (self *FilesystemBackend) IndexInitialize(_ Backend) error

func (*FilesystemBackend) IndexRemove 

func (self *FilesystemBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*FilesystemBackend) IndexRetrieve 

func (self *FilesystemBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*FilesystemBackend) Initialize 

func (self *FilesystemBackend) Initialize() error

func (*FilesystemBackend) Insert 

func (self *FilesystemBackend) Insert(collectionName string, recordset *dal.RecordSet) error

func (*FilesystemBackend) ListCollections 

func (self *FilesystemBackend) ListCollections() ([]string, error)

func (*FilesystemBackend) ListValues 

func (self *FilesystemBackend) ListValues(collection *dal.Collection, fields []string, f *filter.Filter) (map[string][]interface{}, error)

func (*FilesystemBackend) Ping 

func (self *FilesystemBackend) Ping(timeout time.Duration) error

func (*FilesystemBackend) Query 

func (self *FilesystemBackend) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*FilesystemBackend) QueryFunc 

func (self *FilesystemBackend) QueryFunc(collection *dal.Collection, filter *filter.Filter, resultFn IndexResultFunc) error

func (*FilesystemBackend) RegisterCollection 

func (self *FilesystemBackend) RegisterCollection(collection *dal.Collection)

func (*FilesystemBackend) Retrieve 

func (self *FilesystemBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*FilesystemBackend) SetIndexer 

func (self *FilesystemBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*FilesystemBackend) String 

func (self *FilesystemBackend) String() string

func (*FilesystemBackend) Supports added in v3.0.11 

func (self *FilesystemBackend) Supports(features ...BackendFeature) bool

func (*FilesystemBackend) Update 

func (self *FilesystemBackend) Update(name string, recordset *dal.RecordSet, target ...string) error

func (*FilesystemBackend) WithAggregator 

func (self *FilesystemBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*FilesystemBackend) WithSearch 

func (self *FilesystemBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type IndexOperation 

type IndexOperation int
const (
	RetrieveOperation IndexOperation = iota
	PersistOperation
	DeleteOperation
	InspectionOperation
)

type IndexPage 

type IndexPage struct {
	Page         int
	TotalPages   int
	Limit        int
	Offset       int
	TotalResults int64
}

type IndexResultFunc 

type IndexResultFunc func(record *dal.Record, err error, page IndexPage) error // {}

type IndexSelectionStrategy 

type IndexSelectionStrategy int
const (
	Sequential IndexSelectionStrategy = iota
	All
	First
	AllExceptFirst
	Random
)

func (IndexSelectionStrategy) IsCompoundable 

func (self IndexSelectionStrategy) IsCompoundable() bool

type Indexer 

type Indexer interface {
	IndexConnectionString() *dal.ConnectionString
	IndexInitialize(Backend) error
	IndexExists(collection *dal.Collection, id interface{}) bool
	IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)
	IndexRemove(collection *dal.Collection, ids []interface{}) error
	Index(collection *dal.Collection, records *dal.RecordSet) error
	QueryFunc(collection *dal.Collection, filter *filter.Filter, resultFn IndexResultFunc) error
	Query(collection *dal.Collection, filter *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)
	ListValues(collection *dal.Collection, fields []string, filter *filter.Filter) (map[string][]interface{}, error)
	DeleteQuery(collection *dal.Collection, f *filter.Filter) error
	FlushIndex() error
	GetBackend() Backend
}

func MakeIndexer 

func MakeIndexer(connection dal.ConnectionString) (Indexer, error)

type IndexerResult 

type IndexerResult struct {
	Index   int
	Indexer Indexer
}

type IndexerResultFunc 

type IndexerResultFunc func(indexer Indexer, current int, last int) error // {}

type Mapper added in v3.0.25 

type Mapper interface {
	GetBackend() Backend
	GetCollection() *dal.Collection
	Migrate() error
	Drop() error
	Exists(id interface{}) bool
	Create(from interface{}) error
	Get(id interface{}, into interface{}) error
	Update(from interface{}) error
	CreateOrUpdate(id interface{}, from interface{}) error
	Delete(ids ...interface{}) error
	DeleteQuery(flt interface{}) error
	Find(flt interface{}, into interface{}) error
	FindFunc(flt interface{}, destZeroValue interface{}, resultFn ResultFunc) error
	All(into interface{}) error
	Each(destZeroValue interface{}, resultFn ResultFunc) error
	List(fields []string) (map[string][]interface{}, error)
	ListWithFilter(fields []string, flt interface{}) (map[string][]interface{}, error)
	Sum(field string, flt interface{}) (float64, error)
	Count(flt interface{}) (uint64, error)
	Minimum(field string, flt interface{}) (float64, error)
	Maximum(field string, flt interface{}) (float64, error)
	Average(field string, flt interface{}) (float64, error)
	GroupBy(fields []string, aggregates []filter.Aggregate, flt interface{}) (*dal.RecordSet, error)
}

type MetaIndex 

type MetaIndex struct {
	// contains filtered or unexported fields
}

func NewMetaIndex 

func NewMetaIndex(leftIndexer Indexer, leftCollection *dal.Collection, leftField string, rightIndexer Indexer, rightCollection *dal.Collection, rightField string) *MetaIndex

func (*MetaIndex) DeleteQuery 

func (self *MetaIndex) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*MetaIndex) FlushIndex 

func (self *MetaIndex) FlushIndex() error

func (*MetaIndex) GetBackend 

func (self *MetaIndex) GetBackend() Backend

func (*MetaIndex) Index 

func (self *MetaIndex) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*MetaIndex) IndexConnectionString 

func (self *MetaIndex) IndexConnectionString() *dal.ConnectionString

func (*MetaIndex) IndexExists 

func (self *MetaIndex) IndexExists(collection *dal.Collection, id interface{}) bool

func (*MetaIndex) IndexInitialize 

func (self *MetaIndex) IndexInitialize(_ Backend) error

func (*MetaIndex) IndexRemove 

func (self *MetaIndex) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*MetaIndex) IndexRetrieve 

func (self *MetaIndex) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*MetaIndex) ListValues 

func (self *MetaIndex) ListValues(collection *dal.Collection, fields []string, filter *filter.Filter) (map[string][]interface{}, error)

func (*MetaIndex) Query 

func (self *MetaIndex) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*MetaIndex) QueryFunc 

func (self *MetaIndex) QueryFunc(collection *dal.Collection, f *filter.Filter, resultFn IndexResultFunc) error

type MongoBackend 

type MongoBackend struct {
	Backend
	Indexer
	// contains filtered or unexported fields
}

func (*MongoBackend) AggregatorConnectionString 

func (self *MongoBackend) AggregatorConnectionString() *dal.ConnectionString

func (*MongoBackend) AggregatorInitialize 

func (self *MongoBackend) AggregatorInitialize(parent Backend) error

func (*MongoBackend) Average 

func (self *MongoBackend) Average(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*MongoBackend) Count 

func (self *MongoBackend) Count(collection *dal.Collection, flt ...*filter.Filter) (uint64, error)

func (*MongoBackend) CreateCollection 

func (self *MongoBackend) CreateCollection(definition *dal.Collection) error

func (*MongoBackend) Delete 

func (self *MongoBackend) Delete(name string, ids ...interface{}) error

func (*MongoBackend) DeleteCollection 

func (self *MongoBackend) DeleteCollection(name string) error

func (*MongoBackend) DeleteQuery 

func (self *MongoBackend) DeleteQuery(collection *dal.Collection, flt *filter.Filter) error

func (*MongoBackend) Exists 

func (self *MongoBackend) Exists(name string, id interface{}) bool

func (*MongoBackend) Flush 

func (self *MongoBackend) Flush() error

func (*MongoBackend) FlushIndex 

func (self *MongoBackend) FlushIndex() error

func (*MongoBackend) GetBackend 

func (self *MongoBackend) GetBackend() Backend

func (*MongoBackend) GetCollection 

func (self *MongoBackend) GetCollection(name string) (*dal.Collection, error)

func (*MongoBackend) GetConnectionString 

func (self *MongoBackend) GetConnectionString() *dal.ConnectionString

func (*MongoBackend) GroupBy 

func (self *MongoBackend) GroupBy(collection *dal.Collection, groupBy []string, aggregates []filter.Aggregate, flt ...*filter.Filter) (*dal.RecordSet, error)

func (*MongoBackend) Index 

func (self *MongoBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*MongoBackend) IndexConnectionString 

func (self *MongoBackend) IndexConnectionString() *dal.ConnectionString

func (*MongoBackend) IndexExists 

func (self *MongoBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*MongoBackend) IndexInitialize 

func (self *MongoBackend) IndexInitialize(Backend) error

func (*MongoBackend) IndexRemove 

func (self *MongoBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*MongoBackend) IndexRetrieve 

func (self *MongoBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*MongoBackend) Initialize 

func (self *MongoBackend) Initialize() error

func (*MongoBackend) Insert 

func (self *MongoBackend) Insert(name string, records *dal.RecordSet) error

func (*MongoBackend) ListCollections 

func (self *MongoBackend) ListCollections() ([]string, error)

func (*MongoBackend) ListValues 

func (self *MongoBackend) ListValues(collection *dal.Collection, fields []string, flt *filter.Filter) (map[string][]interface{}, error)

func (*MongoBackend) Maximum 

func (self *MongoBackend) Maximum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*MongoBackend) Minimum 

func (self *MongoBackend) Minimum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*MongoBackend) Ping 

func (self *MongoBackend) Ping(timeout time.Duration) error

func (*MongoBackend) Query 

func (self *MongoBackend) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*MongoBackend) QueryFunc 

func (self *MongoBackend) QueryFunc(collection *dal.Collection, flt *filter.Filter, resultFn IndexResultFunc) error

func (*MongoBackend) RegisterCollection 

func (self *MongoBackend) RegisterCollection(collection *dal.Collection)

func (*MongoBackend) Retrieve 

func (self *MongoBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*MongoBackend) SetIndexer 

func (self *MongoBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*MongoBackend) String 

func (self *MongoBackend) String() string

func (*MongoBackend) Sum 

func (self *MongoBackend) Sum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*MongoBackend) Supports added in v3.0.11 

func (self *MongoBackend) Supports(features ...BackendFeature) bool

func (*MongoBackend) Update 

func (self *MongoBackend) Update(name string, records *dal.RecordSet, target ...string) error

func (*MongoBackend) WithAggregator 

func (self *MongoBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*MongoBackend) WithSearch 

func (self *MongoBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type MultiIndex 

type MultiIndex struct {
	RetrievalStrategy  IndexSelectionStrategy
	PersistStrategy    IndexSelectionStrategy
	DeleteStrategy     IndexSelectionStrategy
	InspectionStrategy IndexSelectionStrategy
	// contains filtered or unexported fields
}

func NewMultiIndex 

func NewMultiIndex(connectionStrings ...string) *MultiIndex

func (*MultiIndex) AddIndexer 

func (self *MultiIndex) AddIndexer(indexer Indexer) error

func (*MultiIndex) AddIndexerByConnectionString 

func (self *MultiIndex) AddIndexerByConnectionString(cs string) error

func (*MultiIndex) DeleteQuery 

func (self *MultiIndex) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

func (*MultiIndex) EachSelectedIndex 

func (self *MultiIndex) EachSelectedIndex(collection *dal.Collection, operation IndexOperation, resultFn IndexerResultFunc) error

func (*MultiIndex) FlushIndex 

func (self *MultiIndex) FlushIndex() error

func (*MultiIndex) GetBackend 

func (self *MultiIndex) GetBackend() Backend

func (*MultiIndex) Index 

func (self *MultiIndex) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*MultiIndex) IndexConnectionString 

func (self *MultiIndex) IndexConnectionString() *dal.ConnectionString

func (*MultiIndex) IndexExists 

func (self *MultiIndex) IndexExists(collection *dal.Collection, id interface{}) bool

func (*MultiIndex) IndexInitialize 

func (self *MultiIndex) IndexInitialize(backend Backend) error

func (*MultiIndex) IndexRemove 

func (self *MultiIndex) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*MultiIndex) IndexRetrieve 

func (self *MultiIndex) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*MultiIndex) ListValues 

func (self *MultiIndex) ListValues(collection *dal.Collection, fields []string, filter *filter.Filter) (map[string][]interface{}, error)

func (*MultiIndex) Query 

func (self *MultiIndex) Query(collection *dal.Collection, filter *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*MultiIndex) QueryFunc 

func (self *MultiIndex) QueryFunc(collection *dal.Collection, filter *filter.Filter, resultFn IndexResultFunc) error

func (*MultiIndex) SelectIndex 

func (self *MultiIndex) SelectIndex(collection *dal.Collection, operation IndexOperation, lastIndexer int) ([]IndexerResult, error)

type NullIndexer 

type NullIndexer struct {
}

func (*NullIndexer) DeleteQuery 

func (self *NullIndexer) DeleteQuery(collection *dal.Collection, f filter.Filter) error

func (*NullIndexer) FlushIndex 

func (self *NullIndexer) FlushIndex() error

func (*NullIndexer) GetBackend 

func (self *NullIndexer) GetBackend() Backend

func (*NullIndexer) Index 

func (self *NullIndexer) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*NullIndexer) IndexConnectionString 

func (self *NullIndexer) IndexConnectionString() *dal.ConnectionString

func (*NullIndexer) IndexExists 

func (self *NullIndexer) IndexExists(collection *dal.Collection, id interface{}) bool

func (*NullIndexer) IndexInitialize 

func (self *NullIndexer) IndexInitialize(Backend) error

func (*NullIndexer) IndexRemove 

func (self *NullIndexer) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*NullIndexer) IndexRetrieve 

func (self *NullIndexer) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*NullIndexer) ListValues 

func (self *NullIndexer) ListValues(collection *dal.Collection, fields []string, filter filter.Filter) (map[string][]interface{}, error)

func (*NullIndexer) Query 

func (self *NullIndexer) Query(collection *dal.Collection, filter filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*NullIndexer) QueryFunc 

func (self *NullIndexer) QueryFunc(collection *dal.Collection, filter filter.Filter, resultFn IndexResultFunc) error

type RedisBackend 

type RedisBackend struct {
	Backend
	// contains filtered or unexported fields
}

func (*RedisBackend) CreateCollection 

func (self *RedisBackend) CreateCollection(definition *dal.Collection) error

func (*RedisBackend) Delete 

func (self *RedisBackend) Delete(name string, ids ...interface{}) error

func (*RedisBackend) DeleteCollection 

func (self *RedisBackend) DeleteCollection(name string) error

func (*RedisBackend) DeleteQuery added in v3.0.7 

func (self *RedisBackend) DeleteQuery(collection *dal.Collection, flt *filter.Filter) error

func (*RedisBackend) Exists 

func (self *RedisBackend) Exists(name string, id interface{}) bool

func (*RedisBackend) Flush 

func (self *RedisBackend) Flush() error

func (*RedisBackend) FlushIndex added in v3.0.7 

func (self *RedisBackend) FlushIndex() error

func (*RedisBackend) GetBackend added in v3.0.7 

func (self *RedisBackend) GetBackend() Backend

func (*RedisBackend) GetCollection 

func (self *RedisBackend) GetCollection(name string) (*dal.Collection, error)

func (*RedisBackend) GetConnectionString 

func (self *RedisBackend) GetConnectionString() *dal.ConnectionString

func (*RedisBackend) Index added in v3.0.7 

func (self *RedisBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

func (*RedisBackend) IndexConnectionString added in v3.0.7 

func (self *RedisBackend) IndexConnectionString() *dal.ConnectionString

func (*RedisBackend) IndexExists added in v3.0.7 

func (self *RedisBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*RedisBackend) IndexInitialize added in v3.0.7 

func (self *RedisBackend) IndexInitialize(Backend) error

func (*RedisBackend) IndexRemove added in v3.0.7 

func (self *RedisBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

func (*RedisBackend) IndexRetrieve added in v3.0.7 

func (self *RedisBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*RedisBackend) Initialize 

func (self *RedisBackend) Initialize() error

func (*RedisBackend) Insert 

func (self *RedisBackend) Insert(name string, recordset *dal.RecordSet) error

func (*RedisBackend) ListCollections 

func (self *RedisBackend) ListCollections() ([]string, error)

func (*RedisBackend) ListValues added in v3.0.7 

func (self *RedisBackend) ListValues(collection *dal.Collection, fields []string, flt *filter.Filter) (map[string][]interface{}, error)

func (*RedisBackend) Ping 

func (self *RedisBackend) Ping(timeout time.Duration) error

func (*RedisBackend) Query added in v3.0.7 

func (self *RedisBackend) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*RedisBackend) QueryFunc added in v3.0.7 

func (self *RedisBackend) QueryFunc(collection *dal.Collection, flt *filter.Filter, resultFn IndexResultFunc) error

func (*RedisBackend) RegisterCollection 

func (self *RedisBackend) RegisterCollection(collection *dal.Collection)

func (*RedisBackend) Retrieve 

func (self *RedisBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*RedisBackend) SetIndexer 

func (self *RedisBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*RedisBackend) String 

func (self *RedisBackend) String() string

func (*RedisBackend) Supports added in v3.0.11 

func (self *RedisBackend) Supports(features ...BackendFeature) bool

func (*RedisBackend) Update 

func (self *RedisBackend) Update(name string, recordset *dal.RecordSet, target ...string) error

func (*RedisBackend) WithAggregator 

func (self *RedisBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*RedisBackend) WithSearch 

func (self *RedisBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type ResultFunc added in v3.0.25 

type ResultFunc func(ptrToInstance interface{}, err error) // {}

type SerializationFormat 

type SerializationFormat string

type SqlBackend 

type SqlBackend struct {
	Backend
	Indexer
	Aggregator
	// contains filtered or unexported fields
}

func (*SqlBackend) AggregatorConnectionString 

func (self *SqlBackend) AggregatorConnectionString() *dal.ConnectionString

func (*SqlBackend) AggregatorInitialize 

func (self *SqlBackend) AggregatorInitialize(parent Backend) error

func (*SqlBackend) Average 

func (self *SqlBackend) Average(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Count 

func (self *SqlBackend) Count(collection *dal.Collection, f ...*filter.Filter) (uint64, error)

func (*SqlBackend) CreateCollection 

func (self *SqlBackend) CreateCollection(definition *dal.Collection) error

func (*SqlBackend) Delete 

func (self *SqlBackend) Delete(name string, ids ...interface{}) error

func (*SqlBackend) DeleteCollection 

func (self *SqlBackend) DeleteCollection(collectionName string) error

func (*SqlBackend) DeleteQuery 

func (self *SqlBackend) DeleteQuery(collection *dal.Collection, f *filter.Filter) error

DeleteQuery removes records using a filter

func (*SqlBackend) Exists 

func (self *SqlBackend) Exists(name string, id interface{}) bool

func (*SqlBackend) Flush 

func (self *SqlBackend) Flush() error

func (*SqlBackend) FlushIndex 

func (self *SqlBackend) FlushIndex() error

func (*SqlBackend) GetBackend 

func (self *SqlBackend) GetBackend() Backend

func (*SqlBackend) GetCollection 

func (self *SqlBackend) GetCollection(name string) (*dal.Collection, error)

func (*SqlBackend) GetConnectionString 

func (self *SqlBackend) GetConnectionString() *dal.ConnectionString

func (*SqlBackend) GroupBy 

func (self *SqlBackend) GroupBy(collection *dal.Collection, groupBy []string, aggregates []filter.Aggregate, f ...*filter.Filter) (*dal.RecordSet, error)

func (*SqlBackend) Index 

func (self *SqlBackend) Index(collection *dal.Collection, records *dal.RecordSet) error

Index is a no-op, this should be handled by SqlBackend's Insert() function

func (*SqlBackend) IndexConnectionString 

func (self *SqlBackend) IndexConnectionString() *dal.ConnectionString

func (*SqlBackend) IndexExists 

func (self *SqlBackend) IndexExists(collection *dal.Collection, id interface{}) bool

func (*SqlBackend) IndexInitialize 

func (self *SqlBackend) IndexInitialize(parent Backend) error

func (*SqlBackend) IndexRemove 

func (self *SqlBackend) IndexRemove(collection *dal.Collection, ids []interface{}) error

IndexRemove is a no-op, this should be handled by SqlBackend's Delete() function

func (*SqlBackend) IndexRetrieve 

func (self *SqlBackend) IndexRetrieve(collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*SqlBackend) Initialize 

func (self *SqlBackend) Initialize() error

func (*SqlBackend) Insert 

func (self *SqlBackend) Insert(name string, recordset *dal.RecordSet) error

func (*SqlBackend) ListCollections 

func (self *SqlBackend) ListCollections() ([]string, error)

func (*SqlBackend) ListValues 

func (self *SqlBackend) ListValues(collection *dal.Collection, fields []string, f *filter.Filter) (map[string][]interface{}, error)

func (*SqlBackend) Maximum 

func (self *SqlBackend) Maximum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Migrate added in v3.3.0 

func (self *SqlBackend) Migrate() error

func (*SqlBackend) Minimum 

func (self *SqlBackend) Minimum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Ping 

func (self *SqlBackend) Ping(timeout time.Duration) error

func (*SqlBackend) Query 

func (self *SqlBackend) Query(collection *dal.Collection, f *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)

func (*SqlBackend) QueryFunc 

func (self *SqlBackend) QueryFunc(collection *dal.Collection, f *filter.Filter, resultFn IndexResultFunc) error

func (*SqlBackend) RegisterCollection 

func (self *SqlBackend) RegisterCollection(collection *dal.Collection)

func (*SqlBackend) Retrieve 

func (self *SqlBackend) Retrieve(name string, id interface{}, fields ...string) (*dal.Record, error)

func (*SqlBackend) SetIndexer 

func (self *SqlBackend) SetIndexer(indexConnString dal.ConnectionString) error

func (*SqlBackend) String 

func (self *SqlBackend) String() string

func (*SqlBackend) Sum 

func (self *SqlBackend) Sum(collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Supports added in v3.0.11 

func (self *SqlBackend) Supports(features ...BackendFeature) bool

func (*SqlBackend) Update 

func (self *SqlBackend) Update(name string, recordset *dal.RecordSet, target ...string) error

func (*SqlBackend) WithAggregator 

func (self *SqlBackend) WithAggregator(collection *dal.Collection) Aggregator

func (*SqlBackend) WithSearch 

func (self *SqlBackend) WithSearch(collection *dal.Collection, filters ...*filter.Filter) Indexer

type SqlInitFunc added in v3.3.0 

type SqlInitFunc func(*SqlBackend) (string, string, error)

type SqlPreInitFunc added in v3.3.0 

type SqlPreInitFunc func(*SqlBackend)

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.