tables

package
v0.0.0-...-14e0149 Latest Latest
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 Go to latest Published: Aug 24, 2017 License: Apache-2.0 Imports: 27 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func BoundedTableFromMeta 

func BoundedTableFromMeta(alloc autoid.Allocator, tblInfo *model.TableInfo, capacity int64) table.Table

BoundedTableFromMeta creates a Table instance from model.TableInfo.

func FindIndexByColName 

func FindIndexByColName(t table.Table, name string) table.Index

FindIndexByColName implements table.Table FindIndexByColName interface.

func GetColDefaultValue 

func GetColDefaultValue(ctx context.Context, col *table.Column, defaultVals []types.Datum) (
	colVal types.Datum, err error)

GetColDefaultValue gets a column default value. The defaultVals is used to avoid calculating the default value multiple times.

func MemoryTableFromMeta 

func MemoryTableFromMeta(alloc autoid.Allocator, tblInfo *model.TableInfo) (table.Table, error)

MemoryTableFromMeta creates a Table instance from model.TableInfo.

func MockTableFromMeta 

func MockTableFromMeta(tableInfo *model.TableInfo) table.Table

MockTableFromMeta only serves for test.

func NewIndex 

func NewIndex(tableInfo *model.TableInfo, indexInfo *model.IndexInfo) table.Index

NewIndex builds a new Index object.

func TableFromMeta 

func TableFromMeta(alloc autoid.Allocator, tblInfo *model.TableInfo) (table.Table, error)

TableFromMeta creates a Table instance from model.TableInfo.

Types

type BoundedTable 

type BoundedTable struct {
	ID      int64
	Name    model.CIStr
	Columns []*table.Column
	// contains filtered or unexported fields
}

BoundedTable implements table.Table interface.

func (*BoundedTable) AddRecord 

func (t *BoundedTable) AddRecord(ctx context.Context, r []types.Datum) (int64, error)

AddRecord implements table.Table AddRecord interface.

func (*BoundedTable) AllocAutoID 

func (t *BoundedTable) AllocAutoID() (int64, error)

AllocAutoID implements table.Table AllocAutoID interface.

func (*BoundedTable) Allocator 

func (t *BoundedTable) Allocator() autoid.Allocator

Allocator implements table.Table Allocator interface.

func (*BoundedTable) Cols 

func (t *BoundedTable) Cols() []*table.Column

Cols implements table.Table Cols interface.

func (*BoundedTable) DeletableIndices 

func (t *BoundedTable) DeletableIndices() []table.Index

DeletableIndices implements table.Table DeletableIndices interface.

func (*BoundedTable) FirstKey 

func (t *BoundedTable) FirstKey() kv.Key

FirstKey implements table.Table FirstKey interface.

func (*BoundedTable) IndexPrefix 

func (t *BoundedTable) IndexPrefix() kv.Key

IndexPrefix implements table.Table IndexPrefix interface.

func (*BoundedTable) Indices 

func (t *BoundedTable) Indices() []table.Index

Indices implements table.Table Indices interface.

func (*BoundedTable) IterRecords 

func (t *BoundedTable) IterRecords(ctx context.Context, startKey kv.Key, cols []*table.Column,
	fn table.RecordIterFunc) error

IterRecords implements table.Table IterRecords interface.

func (*BoundedTable) Meta 

func (t *BoundedTable) Meta() *model.TableInfo

Meta implements table.Table Meta interface.

func (*BoundedTable) RebaseAutoID 

func (t *BoundedTable) RebaseAutoID(newBase int64, isSetStep bool) error

RebaseAutoID implements table.Table RebaseAutoID interface.

func (*BoundedTable) RecordKey 

func (t *BoundedTable) RecordKey(h int64) kv.Key

RecordKey implements table.Table RecordKey interface.

func (*BoundedTable) RecordPrefix 

func (t *BoundedTable) RecordPrefix() kv.Key

RecordPrefix implements table.Table RecordPrefix interface.

func (*BoundedTable) RemoveRecord 

func (t *BoundedTable) RemoveRecord(ctx context.Context, h int64, r []types.Datum) error

RemoveRecord implements table.Table RemoveRecord interface.

func (*BoundedTable) Row 

func (t *BoundedTable) Row(ctx context.Context, h int64) ([]types.Datum, error)

Row implements table.Table Row interface.

func (*BoundedTable) RowWithCols 

func (t *BoundedTable) RowWithCols(ctx context.Context, h int64, cols []*table.Column) ([]types.Datum, error)

RowWithCols implements table.Table RowWithCols interface.

func (*BoundedTable) Seek 

func (t *BoundedTable) Seek(ctx context.Context, handle int64) (int64, bool, error)

Seek seeks the handle.

func (*BoundedTable) Truncate 

func (t *BoundedTable) Truncate()

Truncate drops all data in BoundedTable.

func (*BoundedTable) UpdateRecord 

func (t *BoundedTable) UpdateRecord(ctx context.Context, h int64, oldData, newData []types.Datum, touched []bool) error

UpdateRecord implements table.Table UpdateRecord interface.

func (*BoundedTable) WritableCols 

func (t *BoundedTable) WritableCols() []*table.Column

WritableCols implements table.Table WritableCols interface.

func (*BoundedTable) WritableIndices 

func (t *BoundedTable) WritableIndices() []table.Index

WritableIndices implements table.Table WritableIndices interface.

type MemoryTable 

type MemoryTable struct {
	ID      int64
	Name    model.CIStr
	Columns []*table.Column
	// contains filtered or unexported fields
}

MemoryTable implements table.Table interface.

func (*MemoryTable) AddRecord 

func (t *MemoryTable) AddRecord(ctx context.Context, r []types.Datum) (recordID int64, err error)

AddRecord implements table.Table AddRecord interface.

func (*MemoryTable) AllocAutoID 

func (t *MemoryTable) AllocAutoID() (int64, error)

AllocAutoID implements table.Table AllocAutoID interface.

func (*MemoryTable) Allocator 

func (t *MemoryTable) Allocator() autoid.Allocator

Allocator implements table.Table Allocator interface.

func (*MemoryTable) Cols 

func (t *MemoryTable) Cols() []*table.Column

Cols implements table.Table Cols interface.

func (*MemoryTable) DeletableIndices 

func (t *MemoryTable) DeletableIndices() []table.Index

DeletableIndices implements table.Table DeletableIndices interface.

func (*MemoryTable) FirstKey 

func (t *MemoryTable) FirstKey() kv.Key

FirstKey implements table.Table FirstKey interface.

func (*MemoryTable) IndexPrefix 

func (t *MemoryTable) IndexPrefix() kv.Key

IndexPrefix implements table.Table IndexPrefix interface.

func (*MemoryTable) Indices 

func (t *MemoryTable) Indices() []table.Index

Indices implements table.Table Indices interface.

func (*MemoryTable) IterRecords 

func (t *MemoryTable) IterRecords(ctx context.Context, startKey kv.Key, cols []*table.Column,
	fn table.RecordIterFunc) error

IterRecords implements table.Table IterRecords interface.

func (*MemoryTable) Meta 

func (t *MemoryTable) Meta() *model.TableInfo

Meta implements table.Table Meta interface.

func (*MemoryTable) RebaseAutoID 

func (t *MemoryTable) RebaseAutoID(newBase int64, isSetStep bool) error

RebaseAutoID implements table.Table RebaseAutoID interface.

func (*MemoryTable) RecordKey 

func (t *MemoryTable) RecordKey(h int64) kv.Key

RecordKey implements table.Table RecordKey interface.

func (*MemoryTable) RecordPrefix 

func (t *MemoryTable) RecordPrefix() kv.Key

RecordPrefix implements table.Table RecordPrefix interface.

func (*MemoryTable) RemoveRecord 

func (t *MemoryTable) RemoveRecord(ctx context.Context, h int64, r []types.Datum) error

RemoveRecord implements table.Table RemoveRecord interface.

func (*MemoryTable) Row 

func (t *MemoryTable) Row(ctx context.Context, h int64) ([]types.Datum, error)

Row implements table.Table Row interface.

func (*MemoryTable) RowWithCols 

func (t *MemoryTable) RowWithCols(ctx context.Context, h int64, cols []*table.Column) ([]types.Datum, error)

RowWithCols implements table.Table RowWithCols interface.

func (*MemoryTable) Seek 

func (t *MemoryTable) Seek(ctx context.Context, handle int64) (int64, bool, error)

Seek seeks the handle

func (*MemoryTable) Truncate 

func (t *MemoryTable) Truncate()

Truncate drops all data in Memory Table.

func (*MemoryTable) UpdateRecord 

func (t *MemoryTable) UpdateRecord(ctx context.Context, h int64, oldData, newData []types.Datum, touched []bool) error

UpdateRecord implements table.Table UpdateRecord interface.

func (*MemoryTable) WritableCols 

func (t *MemoryTable) WritableCols() []*table.Column

WritableCols implements table.Table WritableCols interface.

func (*MemoryTable) WritableIndices 

func (t *MemoryTable) WritableIndices() []table.Index

WritableIndices implements table.Table WritableIndices interface.

type Table 

type Table struct {
	ID      int64
	Name    model.CIStr
	Columns []*table.Column
	// contains filtered or unexported fields
}

Table implements table.Table interface.

func (*Table) AddRecord 

func (t *Table) AddRecord(ctx context.Context, r []types.Datum) (recordID int64, err error)

AddRecord implements table.Table AddRecord interface.

func (*Table) AllocAutoID 

func (t *Table) AllocAutoID() (int64, error)

AllocAutoID implements table.Table AllocAutoID interface.

func (*Table) Allocator 

func (t *Table) Allocator() autoid.Allocator

Allocator implements table.Table Allocator interface.

func (*Table) Cols 

func (t *Table) Cols() []*table.Column

Cols implements table.Table Cols interface.

func (*Table) DeletableIndices 

func (t *Table) DeletableIndices() []table.Index

DeletableIndices implements table.Table DeletableIndices interface.

func (*Table) FirstKey 

func (t *Table) FirstKey() kv.Key

FirstKey implements table.Table FirstKey interface.

func (*Table) IndexPrefix 

func (t *Table) IndexPrefix() kv.Key

IndexPrefix implements table.Table IndexPrefix interface.

func (*Table) Indices 

func (t *Table) Indices() []table.Index

Indices implements table.Table Indices interface.

func (*Table) IterRecords 

func (t *Table) IterRecords(ctx context.Context, startKey kv.Key, cols []*table.Column,
	fn table.RecordIterFunc) error

IterRecords implements table.Table IterRecords interface.

func (*Table) Meta 

func (t *Table) Meta() *model.TableInfo

Meta implements table.Table Meta interface.

func (*Table) RebaseAutoID 

func (t *Table) RebaseAutoID(newBase int64, isSetStep bool) error

RebaseAutoID implements table.Table RebaseAutoID interface.

func (*Table) RecordKey 

func (t *Table) RecordKey(h int64) kv.Key

RecordKey implements table.Table RecordKey interface.

func (*Table) RecordPrefix 

func (t *Table) RecordPrefix() kv.Key

RecordPrefix implements table.Table RecordPrefix interface.

func (*Table) RemoveRecord 

func (t *Table) RemoveRecord(ctx context.Context, h int64, r []types.Datum) error

RemoveRecord implements table.Table RemoveRecord interface.

func (*Table) Row 

func (t *Table) Row(ctx context.Context, h int64) ([]types.Datum, error)

Row implements table.Table Row interface.

func (*Table) RowWithCols 

func (t *Table) RowWithCols(ctx context.Context, h int64, cols []*table.Column) ([]types.Datum, error)

RowWithCols implements table.Table RowWithCols interface.

func (*Table) Seek 

func (t *Table) Seek(ctx context.Context, h int64) (int64, bool, error)

Seek implements table.Table Seek interface.

func (*Table) UpdateRecord 

func (t *Table) UpdateRecord(ctx context.Context, h int64, oldData, newData []types.Datum, touched []bool) error

UpdateRecord implements table.Table UpdateRecord interface. `touched` means which columns are really modified, used for secondary indices. Length of `oldData` and `newData` equals to length of `t.WritableCols()`.

func (*Table) WritableCols 

func (t *Table) WritableCols() []*table.Column

WritableCols implements table WritableCols interface.

func (*Table) WritableIndices 

func (t *Table) WritableIndices() []table.Index

WritableIndices implements table.Table WritableIndices interface.

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