schemar

package

v3.26.0 Latest Latest Go to latest Published: Dec 12, 2022 License: Apache-2.0 Imports: 4 Imported by: 0

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Repository

github.com/featurebasedb/featurebase

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Documentation ¶

Overview ¶

Package schemar provides the core Schemar interface.

Index ¶

Constants
func NewErrFieldNameInvalid(fieldName dax.FieldName) error
func NewErrInvalidPrimaryKey() error
func NewErrTableIDInvalid(tableID dax.TableID) error
func NewErrTableNameInvalid(tableName dax.TableName) error
type NopSchemar
- func NewNopSchemar() *NopSchemar
type Schemar

Constants ¶

View Source

const (
	ErrCodeTableIDInvalid    errors.Code = "TableIDInvalid"
	ErrCodeTableNameInvalid  errors.Code = "TableNameInvalid"
	ErrCodeInvalidPrimaryKey errors.Code = "InvalidPrimaryKey"

	ErrCodeFieldNameInvalid errors.Code = "FieldNameInvalid"
)

Variables ¶

This section is empty.

Functions ¶

func NewErrFieldNameInvalid ¶

func NewErrFieldNameInvalid(fieldName dax.FieldName) error

func NewErrInvalidPrimaryKey ¶

func NewErrInvalidPrimaryKey() error

func NewErrTableIDInvalid ¶

func NewErrTableIDInvalid(tableID dax.TableID) error

func NewErrTableNameInvalid ¶

func NewErrTableNameInvalid(tableName dax.TableName) error

Types ¶

type NopSchemar ¶

type NopSchemar struct{}

NopSchemar is a no-op implementation of the Schemar interface.

func NewNopSchemar ¶

func NewNopSchemar() *NopSchemar

func (*NopSchemar) CreateField ¶

func (s *NopSchemar) CreateField(ctx context.Context, qtid dax.QualifiedTableID, fld *dax.Field) error

func (*NopSchemar) CreateTable ¶

func (s *NopSchemar) CreateTable(ctx context.Context, qtbl *dax.QualifiedTable) error

func (*NopSchemar) DropField ¶

func (s *NopSchemar) DropField(ctx context.Context, qtid dax.QualifiedTableID, fld dax.FieldName) error

func (*NopSchemar) DropTable ¶

func (s *NopSchemar) DropTable(ctx context.Context, qtid dax.QualifiedTableID) error

func (*NopSchemar) Table ¶

func (s *NopSchemar) Table(ctx context.Context, qtid dax.QualifiedTableID) (*dax.QualifiedTable, error)

func (*NopSchemar) TableID ¶

func (s *NopSchemar) TableID(context.Context, dax.TableQualifier, dax.TableName) (dax.QualifiedTableID, error)

func (*NopSchemar) Tables ¶

func (s *NopSchemar) Tables(ctx context.Context, qual dax.TableQualifier, ids ...dax.TableID) ([]*dax.QualifiedTable, error)

type Schemar ¶

type Schemar interface {
	CreateTable(context.Context, *dax.QualifiedTable) error
	DropTable(context.Context, dax.QualifiedTableID) error
	CreateField(context.Context, dax.QualifiedTableID, *dax.Field) error
	DropField(context.Context, dax.QualifiedTableID, dax.FieldName) error
	Table(context.Context, dax.QualifiedTableID) (*dax.QualifiedTable, error)
	Tables(context.Context, dax.TableQualifier, ...dax.TableID) ([]*dax.QualifiedTable, error)

	// TableID is a reverse-lookup method to get the TableID for a given
	// qualified TableName.
	TableID(context.Context, dax.TableQualifier, dax.TableName) (dax.QualifiedTableID, error)
}

Source Files ¶

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Directories ¶

Path	Synopsis
boltdb Package boltdb contains the boltdb implementation of the Schemar interfaces.	Package boltdb contains the boltdb implementation of the Schemar interfaces.
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