mirror of
https://github.com/featurebasedb/featurebase.git
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154 lines
6.9 KiB
Go
154 lines
6.9 KiB
Go
package pilosa
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import (
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"context"
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"io"
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)
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// Bit represents the intersection of a row and a column. It can be specified by
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// integer ids or string keys.
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type Bit struct {
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RowID uint64
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ColumnID uint64
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RowKey string
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ColumnKey string
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Timestamp int64
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}
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// FieldValue represents the value for a column within a
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// range-encoded field.
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type FieldValue struct {
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ColumnID uint64
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ColumnKey string
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Value int64
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}
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// InternalClient should be implemented by any struct that enables any transport between nodes
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// TODO: Refactor
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// Note from Travis: Typically an interface containing more than two or three methods is an indication that
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// something hasn't been architected correctly.
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// While I understand that putting the entire Client behind an interface might require this many methods,
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// I don't want to let it go unquestioned.
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type InternalClient interface {
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MaxShardByIndex(ctx context.Context) (map[string]uint64, error)
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Schema(ctx context.Context) ([]*IndexInfo, error)
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CreateIndex(ctx context.Context, index string, opt IndexOptions) error
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FragmentNodes(ctx context.Context, index string, shard uint64) ([]*Node, error)
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Nodes(ctx context.Context) ([]*Node, error)
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Query(ctx context.Context, index string, queryRequest *QueryRequest) (*QueryResponse, error)
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QueryNode(ctx context.Context, uri *URI, index string, queryRequest *QueryRequest) (*QueryResponse, error)
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Import(ctx context.Context, index, field string, shard uint64, bits []Bit, opts ...ImportOption) error
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ImportK(ctx context.Context, index, field string, bits []Bit, opts ...ImportOption) error
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EnsureIndex(ctx context.Context, name string, options IndexOptions) error
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EnsureField(ctx context.Context, indexName string, fieldName string) error
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EnsureFieldWithOptions(ctx context.Context, index, field string, opt FieldOptions) error
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ImportValue(ctx context.Context, index, field string, shard uint64, vals []FieldValue, opts ...ImportOption) error
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ImportValueK(ctx context.Context, index, field string, vals []FieldValue, opts ...ImportOption) error
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ExportCSV(ctx context.Context, index, field string, shard uint64, w io.Writer) error
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CreateField(ctx context.Context, index, field string) error
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CreateFieldWithOptions(ctx context.Context, index, field string, opt FieldOptions) error
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FragmentBlocks(ctx context.Context, uri *URI, index, field, view string, shard uint64) ([]FragmentBlock, error)
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BlockData(ctx context.Context, uri *URI, index, field, view string, shard uint64, block int) ([]uint64, []uint64, error)
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ColumnAttrDiff(ctx context.Context, uri *URI, index string, blks []AttrBlock) (map[uint64]map[string]interface{}, error)
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RowAttrDiff(ctx context.Context, uri *URI, index, field string, blks []AttrBlock) (map[uint64]map[string]interface{}, error)
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SendMessage(ctx context.Context, uri *URI, msg []byte) error
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RetrieveShardFromURI(ctx context.Context, index, field, view string, shard uint64, uri URI) (io.ReadCloser, error)
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ImportRoaring(ctx context.Context, uri *URI, index, field string, shard uint64, remote bool, req *ImportRoaringRequest) error
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}
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//===============
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type InternalQueryClient interface {
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QueryNode(ctx context.Context, uri *URI, index string, queryRequest *QueryRequest) (*QueryResponse, error)
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}
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type nopInternalQueryClient struct{}
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func (n *nopInternalQueryClient) QueryNode(ctx context.Context, uri *URI, index string, queryRequest *QueryRequest) (*QueryResponse, error) {
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return nil, nil
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}
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func newNopInternalQueryClient() *nopInternalQueryClient {
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return &nopInternalQueryClient{}
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}
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var _ InternalQueryClient = newNopInternalQueryClient()
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//===============
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type nopInternalClient struct{}
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func newNopInternalClient() nopInternalClient {
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return nopInternalClient{}
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}
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var _ InternalClient = newNopInternalClient()
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func (n nopInternalClient) MaxShardByIndex(context.Context) (map[string]uint64, error) {
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return nil, nil
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}
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func (n nopInternalClient) Schema(ctx context.Context) ([]*IndexInfo, error) { return nil, nil }
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func (n nopInternalClient) CreateIndex(ctx context.Context, index string, opt IndexOptions) error {
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return nil
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}
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func (n nopInternalClient) FragmentNodes(ctx context.Context, index string, shard uint64) ([]*Node, error) {
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return nil, nil
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}
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func (n nopInternalClient) Nodes(ctx context.Context) ([]*Node, error) {
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return nil, nil
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}
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func (n nopInternalClient) Query(ctx context.Context, index string, queryRequest *QueryRequest) (*QueryResponse, error) {
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return nil, nil
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}
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func (n nopInternalClient) QueryNode(ctx context.Context, uri *URI, index string, queryRequest *QueryRequest) (*QueryResponse, error) {
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return nil, nil
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}
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func (n nopInternalClient) Import(ctx context.Context, index, field string, shard uint64, bits []Bit, opts ...ImportOption) error {
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return nil
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}
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func (n nopInternalClient) ImportK(ctx context.Context, index, field string, bits []Bit, opts ...ImportOption) error {
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return nil
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}
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func (n nopInternalClient) ImportRoaring(ctx context.Context, uri *URI, index, field string, shard uint64, remote bool, req *ImportRoaringRequest) error {
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return nil
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}
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func (n nopInternalClient) EnsureIndex(ctx context.Context, name string, options IndexOptions) error {
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return nil
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}
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func (n nopInternalClient) EnsureField(ctx context.Context, indexName string, fieldName string) error {
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return nil
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}
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func (n nopInternalClient) EnsureFieldWithOptions(ctx context.Context, index, field string, opt FieldOptions) error {
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return nil
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}
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func (n nopInternalClient) ImportValue(ctx context.Context, index, field string, shard uint64, vals []FieldValue, opts ...ImportOption) error {
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return nil
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}
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func (n nopInternalClient) ImportValueK(ctx context.Context, index, field string, vals []FieldValue, opts ...ImportOption) error {
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return nil
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}
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func (n nopInternalClient) ExportCSV(ctx context.Context, index, field string, shard uint64, w io.Writer) error {
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return nil
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}
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func (n nopInternalClient) CreateField(ctx context.Context, index, field string) error { return nil }
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func (n nopInternalClient) CreateFieldWithOptions(ctx context.Context, index, field string, opt FieldOptions) error {
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return nil
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}
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func (n nopInternalClient) FragmentBlocks(ctx context.Context, uri *URI, index, field, view string, shard uint64) ([]FragmentBlock, error) {
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return nil, nil
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}
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func (n nopInternalClient) BlockData(ctx context.Context, uri *URI, index, field, view string, shard uint64, block int) ([]uint64, []uint64, error) {
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return nil, nil, nil
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}
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func (n nopInternalClient) ColumnAttrDiff(ctx context.Context, uri *URI, index string, blks []AttrBlock) (map[uint64]map[string]interface{}, error) {
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return nil, nil
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}
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func (n nopInternalClient) RowAttrDiff(ctx context.Context, uri *URI, index, field string, blks []AttrBlock) (map[uint64]map[string]interface{}, error) {
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return nil, nil
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}
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func (n nopInternalClient) SendMessage(ctx context.Context, uri *URI, msg []byte) error {
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return nil
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}
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func (n nopInternalClient) RetrieveShardFromURI(ctx context.Context, index, field, view string, shard uint64, uri URI) (io.ReadCloser, error) {
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return nil, nil
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}
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