objecttool

package

v0.0.0-debug-20260702 Latest Latest Go to latest Published: Jul 2, 2026 License: Apache-2.0 Imports: 13 Imported by: 0

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Valid go.mod file
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Stable version
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Repository

github.com/matrixorigin/matrixone

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Documentation ¶

Index ¶

Variables
type ColInfo
type DefaultFormatter
- func (f *DefaultFormatter) CanFormat(value any, typ types.Type) bool
- func (f *DefaultFormatter) Format(value any) string
type Formatter
type FormatterRegistry
- func NewFormatterRegistry() *FormatterRegistry
- func (r *FormatterRegistry) ClearFormatter(colIdx uint16)
- func (r *FormatterRegistry) GetFormatter(colIdx uint16, typ types.Type, sample any) Formatter
- func (r *FormatterRegistry) GetFormatterName(colIdx uint16) string
- func (r *FormatterRegistry) SetFormatter(colIdx uint16, f Formatter)
type HexFormatter
- func (f *HexFormatter) CanFormat(value any, typ types.Type) bool
- func (f *HexFormatter) Format(value any) string
type ObjectInfo
type ObjectReader
- func Open(ctx context.Context, path string) (*ObjectReader, error)
- func (r *ObjectReader) BlockCount() uint32
- func (r *ObjectReader) Close() error
- func (r *ObjectReader) Columns() []ColInfo
- func (r *ObjectReader) Info() *ObjectInfo
- func (r *ObjectReader) Meta() objectio.ObjectDataMeta
- func (r *ObjectReader) ReadBlock(ctx context.Context, blockIdx uint32) (*batch.Batch, func(), error)
type ObjectStatsFormatter
- func (f *ObjectStatsFormatter) CanFormat(value any, typ types.Type) bool
- func (f *ObjectStatsFormatter) Format(value any) string
type RowidFormatter
- func (f *RowidFormatter) CanFormat(value any, typ types.Type) bool
- func (f *RowidFormatter) Format(value any) string
type TSFormatter
- func (f *TSFormatter) CanFormat(value any, typ types.Type) bool
- func (f *TSFormatter) Format(value any) string

Constants ¶

This section is empty.

Variables ¶

View Source

var FormatterByName = map[string]Formatter{
	"default":     &DefaultFormatter{},
	"objectstats": &ObjectStatsFormatter{},
	"rowid":       &RowidFormatter{},
	"ts":          &TSFormatter{},
	"hex":         &HexFormatter{},
}

FormatterByName maps formatter names to formatters

Functions ¶

This section is empty.

Types ¶

type ColInfo ¶

type ColInfo struct {
	Idx  uint16
	Type types.Type
}

ColInfo contains column information

type DefaultFormatter ¶

type DefaultFormatter struct{}

DefaultFormatter is the default formatter

func (*DefaultFormatter) CanFormat ¶

func (f *DefaultFormatter) CanFormat(value any, typ types.Type) bool

func (*DefaultFormatter) Format ¶

func (f *DefaultFormatter) Format(value any) string

type Formatter ¶

type Formatter interface {
	Format(value any) string
	CanFormat(value any, typ types.Type) bool
}

Formatter is the column formatter interface

type FormatterRegistry ¶

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

FormatterRegistry is the formatter registry

func NewFormatterRegistry ¶

func NewFormatterRegistry() *FormatterRegistry

func (*FormatterRegistry) ClearFormatter ¶

func (r *FormatterRegistry) ClearFormatter(colIdx uint16)

ClearFormatter clears formatter for specified column

func (*FormatterRegistry) GetFormatter ¶

func (r *FormatterRegistry) GetFormatter(colIdx uint16, typ types.Type, sample any) Formatter

GetFormatter gets the formatter for a column

func (*FormatterRegistry) GetFormatterName ¶

func (r *FormatterRegistry) GetFormatterName(colIdx uint16) string

GetFormatterName gets formatter name (for display)

func (*FormatterRegistry) SetFormatter ¶

func (r *FormatterRegistry) SetFormatter(colIdx uint16, f Formatter)

SetFormatter sets formatter for specified column

type HexFormatter ¶

type HexFormatter struct{}

HexFormatter formats as hexadecimal

func (*HexFormatter) CanFormat ¶

func (f *HexFormatter) CanFormat(value any, typ types.Type) bool

func (*HexFormatter) Format ¶

func (f *HexFormatter) Format(value any) string

type ObjectInfo ¶

type ObjectInfo struct {
	Path       string
	ObjectName objectio.ObjectName

	BlockCount uint32
	RowCount   uint64
	ColCount   uint16

	Size     uint32
	OrigSize uint32

	IsSorted     bool
	IsAppendable bool
	IsCNCreated  bool
}

ObjectInfo contains object metadata

type ObjectReader ¶

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

ObjectReader reads object files

func Open ¶

func Open(ctx context.Context, path string) (*ObjectReader, error)

Open opens an object file

func (*ObjectReader) BlockCount ¶

func (r *ObjectReader) BlockCount() uint32

BlockCount returns block count

func (*ObjectReader) Close ¶

func (r *ObjectReader) Close() error

Close closes the reader

func (*ObjectReader) Columns ¶

func (r *ObjectReader) Columns() []ColInfo

Columns returns column information

func (*ObjectReader) Info ¶

func (r *ObjectReader) Info() *ObjectInfo

Info returns object information

func (*ObjectReader) Meta ¶

func (r *ObjectReader) Meta() objectio.ObjectDataMeta

Meta returns the object data meta

func (*ObjectReader) ReadBlock ¶

func (r *ObjectReader) ReadBlock(ctx context.Context, blockIdx uint32) (*batch.Batch, func(), error)

ReadBlock reads data from specified block

type ObjectStatsFormatter ¶

type ObjectStatsFormatter struct{}

ObjectStatsFormatter formats ObjectStats

func (*ObjectStatsFormatter) CanFormat ¶

func (f *ObjectStatsFormatter) CanFormat(value any, typ types.Type) bool

func (*ObjectStatsFormatter) Format ¶

func (f *ObjectStatsFormatter) Format(value any) string

type RowidFormatter ¶

type RowidFormatter struct{}

RowidFormatter formats Rowid

func (*RowidFormatter) CanFormat ¶

func (f *RowidFormatter) CanFormat(value any, typ types.Type) bool

func (*RowidFormatter) Format ¶

func (f *RowidFormatter) Format(value any) string

type TSFormatter ¶

type TSFormatter struct{}

TSFormatter formats TS

func (*TSFormatter) CanFormat ¶

func (f *TSFormatter) CanFormat(value any, typ types.Type) bool

func (*TSFormatter) Format ¶

func (f *TSFormatter) Format(value any) string

Source Files ¶

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Directories ¶

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