query

Documentation

Index

• func NewAny(exprs ...sql.Expression) (sql.Expression, error)
• func NewEach(exprs ...sql.Expression) (sql.Expression, error)
• func NewEqual(exprs ...sql.Expression) (sql.Expression, error)
• func NewHighest(exprs ...sql.Expression) (sql.Expression, error)
• func NewLowest(exprs ...sql.Expression) (sql.Expression, error)
• type AdHocTable
  • func NewAdHocTable(src api.RowSource, name string) (t *AdHocTable)
  • func (t *AdHocTable) Children() []sql.Node
  • func (t *AdHocTable) Name() string
  • func (t *AdHocTable) Resolved() bool
  • func (t *AdHocTable) RowIter(*sql.Context) (sql.RowIter, error)
  • func (t *AdHocTable) Schema() (s sql.Schema)
  • func (t *AdHocTable) String() string
  • func (t *AdHocTable) TransformExpressionsUp(sql.TransformExprFunc) (sql.Node, error)
  • func (t *AdHocTable) TransformUp(f sql.TransformNodeFunc) (sql.Node, error)
• type Any
  • func (e Any) Children() []sql.Expression
  • func (e Any) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)
  • func (e Any) IsNullable() bool
  • func (e Any) Resolved() bool
  • func (e Any) String() string
  • func (e Any) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)
  • func (e Any) Type() sql.Type
• type Cookie
• type DataContext
  • func (dc DataContext) Parse(query string) (sql.Node, error)
  • func (dc DataContext) ParseEx(query string, costomFuncs sql.Functions) (sql.Node, error)
• type Each
  • func (e Each) Children() []sql.Expression
  • func (e Each) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)
  • func (e Each) IsNullable() bool
  • func (e Each) Resolved() bool
  • func (e Each) String() string
  • func (e Each) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)
  • func (e Each) Type() sql.Type
• type Equal
  • func (e Equal) Children() []sql.Expression
  • func (e Equal) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)
  • func (e Equal) IsNullable() bool
  • func (e Equal) Resolved() bool
  • func (e Equal) String() string
  • func (e Equal) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)
  • func (e Equal) Type() sql.Type
• type Highest
  • func (e Highest) Children() []sql.Expression
  • func (e Highest) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)
  • func (e Highest) IsNullable() bool
  • func (e Highest) Resolved() bool
  • func (e Highest) String() string
  • func (e Highest) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)
  • func (e Highest) Type() sql.Type
• type Lowest
  • func (e Lowest) Children() []sql.Expression
  • func (e Lowest) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)
  • func (e Lowest) IsNullable() bool
  • func (e Lowest) Resolved() bool
  • func (e Lowest) String() string
  • func (e Lowest) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)
  • func (e Lowest) Type() sql.Type
• type MultiJoin
  • func (m *MultiJoin) Children() []sql.Node
  • func (m *MultiJoin) Resolved() bool
  • func (m *MultiJoin) RowIter(*sql.Context) (sql.RowIter, error)
  • func (m *MultiJoin) Schema() (s sql.Schema)
  • func (m *MultiJoin) String() string
  • func (m *MultiJoin) TransformExpressions(sql.TransformExprFunc) (sql.Node, error)
  • func (m *MultiJoin) TransformExpressionsUp(sql.TransformExprFunc) (sql.Node, error)
  • func (m *MultiJoin) TransformUp(f sql.TransformNodeFunc) (sql.Node, error)

Functions

func NewAny

func NewAny(exprs ...sql.Expression) (sql.Expression, error)

func NewEach

func NewEach(exprs ...sql.Expression) (sql.Expression, error)

func NewEqual

func NewEqual(exprs ...sql.Expression) (sql.Expression, error)

func NewHighest

func NewHighest(exprs ...sql.Expression) (sql.Expression, error)

func NewLowest

func NewLowest(exprs ...sql.Expression) (sql.Expression, error)

Types

type AdHocTable

type AdHocTable struct {
	ItsSrc  api.RowSource
	ItsName string
}

func NewAdHocTable

func NewAdHocTable(src api.RowSource, name string) (t *AdHocTable)

func (*AdHocTable) Children

func (t *AdHocTable) Children() []sql.Node

func (*AdHocTable) Name

func (t *AdHocTable) Name() string

func (*AdHocTable) Resolved

func (t *AdHocTable) Resolved() bool

func (*AdHocTable) RowIter

func (t *AdHocTable) RowIter(*sql.Context) (sql.RowIter, error)

func (*AdHocTable) Schema

func (t *AdHocTable) Schema() (s sql.Schema)

func (*AdHocTable) String

func (t *AdHocTable) String() string

func (*AdHocTable) TransformExpressionsUp

func (t *AdHocTable) TransformExpressionsUp(sql.TransformExprFunc) (sql.Node, error)

func (*AdHocTable) TransformUp

func (t *AdHocTable) TransformUp(f sql.TransformNodeFunc) (sql.Node, error)

type Any

type Any []sql.Expression

func (Any) Children

func (e Any) Children() []sql.Expression

func (Any) Eval

func (e Any) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)

func (Any) IsNullable

func (e Any) IsNullable() bool

func (Any) Resolved

func (e Any) Resolved() bool

func (Any) String

func (e Any) String() string

func (Any) TransformUp

func (e Any) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)

func (Any) Type

func (e Any) Type() sql.Type

type Cookie

type Cookie struct{}

type DataContext

type DataContext struct {
	DS api.DataSource
}

func (DataContext) Parse

func (dc DataContext) Parse(query string) (sql.Node, error)

func (DataContext) ParseEx

func (dc DataContext) ParseEx(query string, costomFuncs sql.Functions) (sql.Node, error)

type Each

type Each []sql.Expression

func (Each) Children

func (e Each) Children() []sql.Expression

func (Each) Eval

func (e Each) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)

func (Each) IsNullable

func (e Each) IsNullable() bool

func (Each) Resolved

func (e Each) Resolved() bool

func (Each) String

func (e Each) String() string

func (Each) TransformUp

func (e Each) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)

func (Each) Type

func (e Each) Type() sql.Type

type Equal

type Equal []sql.Expression

func (Equal) Children

func (e Equal) Children() []sql.Expression

func (Equal) Eval

func (e Equal) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)

func (Equal) IsNullable

func (e Equal) IsNullable() bool

func (Equal) Resolved

func (e Equal) Resolved() bool

func (Equal) String

func (e Equal) String() string

func (Equal) TransformUp

func (e Equal) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)

func (Equal) Type

func (e Equal) Type() sql.Type

type Highest

type Highest []sql.Expression

func (Highest) Children

func (e Highest) Children() []sql.Expression

func (Highest) Eval

func (e Highest) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)

func (Highest) IsNullable

func (e Highest) IsNullable() bool

func (Highest) Resolved

func (e Highest) Resolved() bool

func (Highest) String

func (e Highest) String() string

func (Highest) TransformUp

func (e Highest) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)

func (Highest) Type

func (e Highest) Type() sql.Type

type Lowest

type Lowest []sql.Expression

func (Lowest) Children

func (e Lowest) Children() []sql.Expression

func (Lowest) Eval

func (e Lowest) Eval(ctx *sql.Context, row sql.Row) (interface{}, error)

func (Lowest) IsNullable

func (e Lowest) IsNullable() bool

func (Lowest) Resolved

func (e Lowest) Resolved() bool

func (Lowest) String

func (e Lowest) String() string

func (Lowest) TransformUp

func (e Lowest) TransformUp(tf sql.TransformExprFunc) (_ sql.Expression, err error)

func (Lowest) Type

func (e Lowest) Type() sql.Type

type MultiJoin

type MultiJoin struct {
	*Cookie
	Tables  []sql.Node
	Filters []sql.Expression
}

func (*MultiJoin) Children

func (m *MultiJoin) Children() []sql.Node

func (*MultiJoin) Resolved

func (m *MultiJoin) Resolved() bool

func (*MultiJoin) RowIter

func (m *MultiJoin) RowIter(*sql.Context) (sql.RowIter, error)

func (*MultiJoin) Schema

func (m *MultiJoin) Schema() (s sql.Schema)

func (*MultiJoin) String

func (m *MultiJoin) String() string

func (*MultiJoin) TransformExpressions

func (m *MultiJoin) TransformExpressions(sql.TransformExprFunc) (sql.Node, error)

func (*MultiJoin) TransformExpressionsUp

func (m *MultiJoin) TransformExpressionsUp(sql.TransformExprFunc) (sql.Node, error)

func (*MultiJoin) TransformUp

func (m *MultiJoin) TransformUp(f sql.TransformNodeFunc) (sql.Node, error)