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spanenc

package module

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Versions in this module

v0

deprecated

v0.3.2

Jun 11, 2026

Changes in this version

+ var ErrFallthrough = errors.New("spanenc: fallthrough to built-in encoding")

type EncodeOption

+ func WithGoType[T any](typ *sppb.Type) EncodeOption

+ func WithValueEncoder[T any](f func(T) (spanner.GenericColumnValue, error)) EncodeOption

type RowEncoder

+ func (e *RowEncoder[T]) MustResultSetMetadata() *sppb.ResultSetMetadata

v0.3.1

Jun 11, 2026

Changes in this version

type RowEncoder

+ func MustNewRowEncoder[T any](opts ...ColumnMaskOption) *RowEncoder[T]

+ func (e *RowEncoder[T]) Row(v T, opts ...EncodeOption) (*spanner.Row, error)

+ func (e *RowEncoder[T]) Rows(items []T, opts ...EncodeOption) iter.Seq2[*spanner.Row, error]

v0.3.0

Jun 10, 2026

Changes in this version

+ var ErrInvalidColumnMask = errors.New("spanenc: invalid column mask")

+ func ParamsMap(v any, opts ...ColumnMaskOption) (map[string]any, error)

+ func ResultSetMetadataFor[T any]() (*sppb.ResultSetMetadata, error)

+ func ResultSetMetadataFromGoType(t reflect.Type) (*sppb.ResultSetMetadata, error)

+ type ColumnMaskOption func(*columnMaskConfig)

+ func WithColumns(columns ...string) ColumnMaskOption

+ func WithoutColumns(columns ...string) ColumnMaskOption

+ type EncodeOption func(*encodeConfig)

+ func WithLossOfPrecisionHandling(handling spanner.LossOfPrecisionHandlingOption) EncodeOption

+ type RowEncoder struct

+ func NewRowEncoder[T any](opts ...ColumnMaskOption) (*RowEncoder[T], error)

+ func (e *RowEncoder[T]) Columns() []string

+ func (e *RowEncoder[T]) ResultSetMetadata() (*sppb.ResultSetMetadata, error)

+ func (e *RowEncoder[T]) RowType() (*sppb.StructType, error)

+ func (e *RowEncoder[T]) Values(v T, opts ...EncodeOption) ([]spanner.GenericColumnValue, error)

v0.3.0-alpha.2

Jun 10, 2026

v0.3.0-alpha.1

Jun 10, 2026

v0.2.0

Jun 10, 2026

v0.1.1

Jun 10, 2026

v0.1.0

Jun 10, 2026

Changes in this version

+ var ErrEmbeddedStructField = errors.New("spanenc: embedded struct fields are not supported in STRUCT values")

+ var ErrInvalidSource = errors.New("spanenc: invalid (NULL) source value")

+ var ErrNilStructPointer = errors.New("spanenc: nil struct pointer")

+ var ErrNotStruct = errors.New("spanenc: not a Go struct type")

+ var ErrNumericOutOfRange = errors.New("spanenc: NUMERIC value exceeds supported precision or scale")

+ var ErrTypeNotInferable = errors.New("spanenc: Spanner type is not inferable from the Go type alone")

+ var ErrUnsupportedType = errors.New("spanenc: unsupported Go type")

+ var ErrUntypedNil = errors.New("spanenc: untyped nil value")

+ func ArrayValueFromSlice[T any](vs []T) (spanner.GenericColumnValue, error)

+ func MutationColumnsAndValues(v any) ([]string, []any, error)

+ func MutationMap(v any) (map[string]any, error)

+ func RowTypeFor[T any]() (*sppb.StructType, error)

+ func RowTypeFromGoType(t reflect.Type) (*sppb.StructType, error)

+ func StructColumnsAndValues(v any) ([]string, []spanner.GenericColumnValue, error)

+ func StructColumnsFromGoType(t reflect.Type) ([]string, error)

+ func StructColumns[T any]() ([]string, error)

+ func TypeFor[T any]() (*sppb.Type, error)

+ func TypeFromGoType(t reflect.Type) (*sppb.Type, error)

+ func ValueOf(v any) (spanner.GenericColumnValue, error)

+ func ValuesFromSlice[T any](vs []T) (*sppb.Type, []*structpb.Value, error)