backends

package
v4.0.7 Latest Latest
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 Go to latest Published: Aug 28, 2023 License: LGPL-2.1 Imports: 38 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

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var AutopingTimeout = 5 * time.Second
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var DefaultAmazonRegion = `us-east-1`
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var DefaultAutoregister = false
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var DefaultCompoundJoiner = `:`
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var DefaultSharedCredentialsFile = `~/.aws/credentials`
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var DefaultSharedCredentialsProfile = `default`
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var ElasticsearchBatchFlushCount = 1
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var ElasticsearchBatchFlushInterval = 10 * time.Second
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var ElasticsearchConnectTimeout = 3 * time.Second
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var ElasticsearchDocumentType = `document`
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var ElasticsearchIdentityField = `_id`
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var ElasticsearchRequestTimeout = 30 * time.Second
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var ElasticsearchResponseHeaderTimeout = 10 * time.Second
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var ElasticsearchTLSTimeout = 10 * time.Second
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var IndexerPageSize int = 100
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var IndexerResultsStop = fmt.Errorf(`stop indexer results`)
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var InitialPingTimeout = time.Duration(10) * time.Second
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var MaxFacetCardinality int = 10000
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var NotImplementedError = fmt.Errorf("Not Implemented")
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var SqlArrayFieldHintLength = 131069
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var SqlObjectFieldHintLength = 131071

Functions

func DefaultQueryImplementation 

func DefaultQueryImplementation(ctx context.Context, 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 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 

func RegisterSqlInitFunc(scheme string, fn SqlInitFunc)

func RegisterSqlPreInitFunc 

func RegisterSqlPreInitFunc(scheme string, fn SqlPreInitFunc)

Types

type Aggregator 

type Aggregator interface {
	AggregatorConnectionString() *dal.ConnectionString
	AggregatorInitialize(Backend) error
	Sum(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Count(ctx context.Context, collection *dal.Collection, f ...*filter.Filter) (uint64, error)
	Minimum(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Maximum(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	Average(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)
	GroupBy(ctx context.Context, 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(ctx context.Context, collection string, id interface{}) bool
	Retrieve(ctx context.Context, collection string, id interface{}, fields ...string) (*dal.Record, error)
	Insert(ctx context.Context, collection string, records *dal.RecordSet) error
	Update(ctx context.Context, collection string, records *dal.RecordSet, target ...string) error
	Delete(ctx context.Context, collection string, ids ...interface{}) error
	CreateCollection(ctx context.Context, definition *dal.Collection) error
	DeleteCollection(ctx context.Context, 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(context.Context, time.Duration) error
	String() string
	Supports(feature ...BackendFeature) bool
	SetEndpoint(string)
}

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 NewSqlBackend 

func NewSqlBackend(connection dal.ConnectionString) Backend

type BackendFeature 

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

type BackendFunc 

type BackendFunc func(dal.ConnectionString) Backend

type CachingBackend 

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

func NewCachingBackend 

func NewCachingBackend(parent Backend) *CachingBackend

func (*CachingBackend) CreateCollection 

func (self *CachingBackend) CreateCollection(ctx context.Context, definition *dal.Collection) error

func (*CachingBackend) Delete 

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

func (*CachingBackend) DeleteCollection 

func (self *CachingBackend) DeleteCollection(ctx context.Context, collection string) error

func (*CachingBackend) Exists 

func (self *CachingBackend) Exists(ctx context.Context, 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(ctx context.Context, collection string, records *dal.RecordSet) error

func (*CachingBackend) ListCollections 

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

func (*CachingBackend) Ping 

func (self *CachingBackend) Ping(ctx context.Context, 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(ctx context.Context, 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 

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

func (*CachingBackend) Update 

func (self *CachingBackend) Update(ctx context.Context, 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 {
	Endpoint              string   `json:"endpoint"`
	Indexer               string   `json:"indexer"`
	AdditionalIndexers    []string `json:"additional_indexers"`
	SkipInitialize        bool     `json:"skip_initialize"`
	AutocreateCollections bool     `json:"autocreate_collections"`
}

type DynamoBackend 

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

func (*DynamoBackend) CreateCollection 

func (self *DynamoBackend) CreateCollection(ctx context.Context, definition *dal.Collection) error

func (*DynamoBackend) Delete 

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

func (*DynamoBackend) DeleteCollection 

func (self *DynamoBackend) DeleteCollection(ctx context.Context, name string) error

func (*DynamoBackend) DeleteQuery 

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

func (*DynamoBackend) Exists 

func (self *DynamoBackend) Exists(ctx context.Context, 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(ctx context.Context, collection *dal.Collection, records *dal.RecordSet) error

func (*DynamoBackend) IndexConnectionString 

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

func (*DynamoBackend) IndexExists 

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

func (*DynamoBackend) IndexInitialize 

func (self *DynamoBackend) IndexInitialize(Backend) error

func (*DynamoBackend) IndexRemove 

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

func (*DynamoBackend) IndexRetrieve 

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

func (*DynamoBackend) Initialize 

func (self *DynamoBackend) Initialize() error

func (*DynamoBackend) Insert 

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

func (*DynamoBackend) ListCollections 

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

func (*DynamoBackend) ListValues 

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

func (*DynamoBackend) Ping 

func (self *DynamoBackend) Ping(ctx context.Context, timeout time.Duration) error

func (*DynamoBackend) Query 

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

func (*DynamoBackend) QueryFunc 

func (self *DynamoBackend) QueryFunc(ctx context.Context, 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(ctx context.Context, name string, id interface{}, fields ...string) (*dal.Record, error)

func (*DynamoBackend) SetEndpoint added in v4.0.2 

func (self *DynamoBackend) SetEndpoint(endpoint string)

func (*DynamoBackend) SetIndexer 

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

func (*DynamoBackend) String 

func (self *DynamoBackend) String() string

func (*DynamoBackend) Supports 

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

func (*DynamoBackend) Update 

func (self *DynamoBackend) Update(ctx context.Context, 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 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(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*ElasticsearchIndexer) Count 

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

func (*ElasticsearchIndexer) DeleteQuery 

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

func (*ElasticsearchIndexer) Index 

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

func (*ElasticsearchIndexer) IndexConnectionString 

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

func (*ElasticsearchIndexer) IndexExists 

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

func (*ElasticsearchIndexer) IndexInitialize 

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

func (*ElasticsearchIndexer) IndexRemove 

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

func (*ElasticsearchIndexer) IndexRetrieve 

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

func (*ElasticsearchIndexer) ListValues 

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

func (*ElasticsearchIndexer) Maximum 

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

func (*ElasticsearchIndexer) Minimum 

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

func (*ElasticsearchIndexer) Query 

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

func (*ElasticsearchIndexer) QueryFunc 

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

func (*ElasticsearchIndexer) Sum 

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

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(ctx context.Context, collection *dal.Collection, id interface{}) bool
	IndexRetrieve(ctx context.Context, collection *dal.Collection, id interface{}) (*dal.Record, error)
	IndexRemove(ctx context.Context, collection *dal.Collection, ids []interface{}) error
	Index(ctx context.Context, collection *dal.Collection, records *dal.RecordSet) error
	QueryFunc(ctx context.Context, collection *dal.Collection, filter *filter.Filter, resultFn IndexResultFunc) error
	Query(ctx context.Context, collection *dal.Collection, filter *filter.Filter, resultFns ...IndexResultFunc) (*dal.RecordSet, error)
	ListValues(ctx context.Context, collection *dal.Collection, fields []string, filter *filter.Filter) (map[string][]interface{}, error)
	DeleteQuery(ctx context.Context, 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 

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

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(ctx context.Context, collection *dal.Collection, f *filter.Filter) error

func (*MultiIndex) EachSelectedIndex 

func (self *MultiIndex) EachSelectedIndex(ctx context.Context, 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(ctx context.Context, collection *dal.Collection, records *dal.RecordSet) error

func (*MultiIndex) IndexConnectionString 

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

func (*MultiIndex) IndexExists 

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

func (*MultiIndex) IndexInitialize 

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

func (*MultiIndex) IndexRemove 

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

func (*MultiIndex) IndexRetrieve 

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

func (*MultiIndex) ListValues 

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

func (*MultiIndex) Query 

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

func (*MultiIndex) QueryFunc 

func (self *MultiIndex) QueryFunc(ctx context.Context, 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 ResultFunc 

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

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(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Count 

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

func (*SqlBackend) CreateCollection 

func (self *SqlBackend) CreateCollection(ctx context.Context, definition *dal.Collection) error

func (*SqlBackend) Delete 

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

func (*SqlBackend) DeleteCollection 

func (self *SqlBackend) DeleteCollection(ctx context.Context, collectionName string) error

func (*SqlBackend) DeleteQuery 

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

DeleteQuery removes records using a filter

func (*SqlBackend) Exists 

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

func (*SqlBackend) Index 

func (self *SqlBackend) Index(ctx context.Context, 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(ctx context.Context, collection *dal.Collection, id interface{}) bool

func (*SqlBackend) IndexInitialize 

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

func (*SqlBackend) IndexRemove 

func (self *SqlBackend) IndexRemove(ctx context.Context, 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(ctx context.Context, collection *dal.Collection, id interface{}) (*dal.Record, error)

func (*SqlBackend) Initialize 

func (self *SqlBackend) Initialize() error

func (*SqlBackend) Insert 

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

func (*SqlBackend) ListCollections 

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

func (*SqlBackend) ListValues 

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

func (*SqlBackend) Maximum 

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

func (*SqlBackend) Migrate 

func (self *SqlBackend) Migrate(ctx context.Context) error

func (*SqlBackend) Minimum 

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

func (*SqlBackend) Ping 

func (self *SqlBackend) Ping(ctx context.Context, timeout time.Duration) error

func (*SqlBackend) Query 

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

func (*SqlBackend) QueryFunc 

func (self *SqlBackend) QueryFunc(ctx context.Context, 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(ctx context.Context, 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(ctx context.Context, collection *dal.Collection, field string, f ...*filter.Filter) (float64, error)

func (*SqlBackend) Supports 

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

func (*SqlBackend) Update 

func (self *SqlBackend) Update(ctx context.Context, 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 

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

type SqlPreInitFunc 

type SqlPreInitFunc func(*SqlBackend)

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