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aggregation

package

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Versions in this module

v0

v0.8.0

Dec 30, 2020

Changes in this version

+ type Avg struct

+ func NewAvg(e sql.Expression) *Avg

+ func (a *Avg) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (a *Avg) IsNullable() bool

+ func (a *Avg) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (a *Avg) NewBuffer() sql.Row

+ func (a *Avg) Resolved() bool

+ func (a *Avg) String() string

+ func (a *Avg) Type() sql.Type

+ func (a *Avg) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (a *Avg) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type Count struct

+ func NewCount(e sql.Expression) *Count

+ func (c *Count) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (c *Count) IsNullable() bool

+ func (c *Count) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (c *Count) NewBuffer() sql.Row

+ func (c *Count) Resolved() bool

+ func (c *Count) String() string

+ func (c *Count) Type() sql.Type

+ func (c *Count) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (c *Count) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type CountDistinct struct

+ func NewCountDistinct(e sql.Expression) *CountDistinct

+ func (c *CountDistinct) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (c *CountDistinct) IsNullable() bool

+ func (c *CountDistinct) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (c *CountDistinct) NewBuffer() sql.Row

+ func (c *CountDistinct) Resolved() bool

+ func (c *CountDistinct) String() string

+ func (c *CountDistinct) Type() sql.Type

+ func (c *CountDistinct) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (c *CountDistinct) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type First struct

+ func NewFirst(e sql.Expression) *First

+ func (f *First) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (f *First) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (f *First) NewBuffer() sql.Row

+ func (f *First) String() string

+ func (f *First) Type() sql.Type

+ func (f *First) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (f *First) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type Last struct

+ func NewLast(e sql.Expression) *Last

+ func (l *Last) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (l *Last) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (l *Last) NewBuffer() sql.Row

+ func (l *Last) String() string

+ func (l *Last) Type() sql.Type

+ func (l *Last) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (l *Last) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type Max struct

+ func NewMax(e sql.Expression) *Max

+ func (m *Max) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (m *Max) IsNullable() bool

+ func (m *Max) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (m *Max) NewBuffer() sql.Row

+ func (m *Max) Resolved() bool

+ func (m *Max) String() string

+ func (m *Max) Type() sql.Type

+ func (m *Max) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (m *Max) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type Min struct

+ func NewMin(e sql.Expression) *Min

+ func (m *Min) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (m *Min) IsNullable() bool

+ func (m *Min) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (m *Min) NewBuffer() sql.Row

+ func (m *Min) Resolved() bool

+ func (m *Min) String() string

+ func (m *Min) Type() sql.Type

+ func (m *Min) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (m *Min) WithChildren(children ...sql.Expression) (sql.Expression, error)

+ type Sum struct

+ func NewSum(e sql.Expression) *Sum

+ func (m *Sum) Eval(ctx *sql.Context, buffer sql.Row) (interface{}, error)

+ func (m *Sum) Merge(ctx *sql.Context, buffer, partial sql.Row) error

+ func (m *Sum) NewBuffer() sql.Row

+ func (m *Sum) String() string

+ func (m *Sum) Type() sql.Type

+ func (m *Sum) Update(ctx *sql.Context, buffer, row sql.Row) error

+ func (m *Sum) WithChildren(children ...sql.Expression) (sql.Expression, error)