qcode

Documentation

Index

• type AggregrateOp
  • func (i AggregrateOp) String() string
• type Column
• type Compiler
  • func NewCompiler(s *sdata.DBSchema, c Config) (*Compiler, error)
  • func (co *Compiler) AddRole(role, table string, trc TRConfig) error
  • func (co *Compiler) Compile(query []byte, vars Variables, role string) (*QCode, error)
• type Config
• type DeleteConfig
• type Exp
  • func NewFilter() *Exp
  • func (ex *Exp) Free()
  • func (ex *Exp) IsFromQuery() bool
  • func (ex *Exp) Reset()
• type ExpOp
  • func (t ExpOp) String() string
• type Filter
• type Function
• type InsertConfig
• type MColumn
• type MRColumn
• type MTable
• type MType
  • func (i MType) String() string
• type Mutate
• type Order
• type OrderBy
• type Paging
• type PagingType
  • func (i PagingType) String() string
• type QCode
• type QType
  • func GetQType(gql string) QType
  • func (i QType) String() string
• type QueryConfig
• type SelType
  • func (i SelType) String() string
• type Select
• type SkipType
  • func (i SkipType) String() string
• type TRConfig
• type UpdateConfig
• type UpsertConfig
• type ValType
  • func (i ValType) String() string
• type Variables

Types

type AggregrateOp

type AggregrateOp int8

const (
	AgCount AggregrateOp = iota + 1
	AgSum
	AgAvg
	AgMax
	AgMin
)

func (AggregrateOp) String

func (i AggregrateOp) String() string

type Column

type Column struct {
	Col       *sdata.DBColumn
	FieldName string
	Base      bool
}

type Compiler

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

func NewCompiler

func NewCompiler(s *sdata.DBSchema, c Config) (*Compiler, error)

func (*Compiler) AddRole

func (co *Compiler) AddRole(role, table string, trc TRConfig) error

func (*Compiler) Compile

func (co *Compiler) Compile(query []byte, vars Variables, role string) (*QCode, error)

type Config

type Config struct {
	Vars map[string]string

	DefaultBlock bool
	// contains filtered or unexported fields
}

type DeleteConfig

type DeleteConfig struct {
	Filters []string
	Columns []string
	Block   bool
}

type Exp

type Exp struct {
	Op       ExpOp
	Table    string
	Rels     []*sdata.DBRel
	Col      *sdata.DBColumn
	Type     ValType
	Val      string
	ListType ValType
	ListVal  []string
	Children []*Exp
	// contains filtered or unexported fields
}

func NewFilter

func NewFilter() *Exp

func (*Exp) Free

func (ex *Exp) Free()

func (*Exp) IsFromQuery

func (ex *Exp) IsFromQuery() bool

func (*Exp) Reset

func (ex *Exp) Reset()

type ExpOp

type ExpOp int8

const (
	OpNop ExpOp = iota
	OpAnd
	OpOr
	OpNot
	OpEquals
	OpNotEquals
	OpGreaterOrEquals
	OpLesserOrEquals
	OpGreaterThan
	OpLesserThan
	OpIn
	OpNotIn
	OpLike
	OpNotLike
	OpILike
	OpNotILike
	OpSimilar
	OpNotSimilar
	OpContains
	OpContainedIn
	OpHasKey
	OpHasKeyAny
	OpHasKeyAll
	OpIsNull
	OpTsQuery
	OpFalse
	OpNotDistinct
	OpDistinct
)

func (ExpOp) String

func (t ExpOp) String() string

type Filter

type Filter struct {
	*Exp
}

type Function

type Function struct {
	Name      string
	Col       *sdata.DBColumn
	FieldName string
	// contains filtered or unexported fields
}

type InsertConfig

type InsertConfig struct {
	Columns []string
	Presets map[string]string
	Block   bool
}

type MColumn

type MColumn struct {
	Col       *sdata.DBColumn
	FieldName string
	Value     string
}

type MRColumn

type MRColumn struct {
	Col   *sdata.DBColumn
	VCol  *sdata.DBColumn
	CType int
}

type MTable

type MTable struct {
	Ti    *sdata.DBTableInfo
	CType int
}

type MType

type MType int8

const (
	MTInsert MType = iota + 1
	MTUpdate
	MTUpsert
	MTDelete
	MTConnect
	MTDisconnect
	MTUnion
)

func (MType) String

func (i MType) String() string

type Mutate

type Mutate struct {
	ID    int32
	Type  MType
	CType int
	Key   string
	Path  []string
	Val   json.RawMessage
	Data  map[string]json.RawMessage
	Array bool

	Cols   []MColumn
	RCols  []MRColumn
	Tables []MTable
	Ti     *sdata.DBTableInfo
	RelCP  *sdata.DBRel
	RelPC  *sdata.DBRel
	Items  []Mutate
	// contains filtered or unexported fields
}

type Order

type Order int8

const (
	OrderAsc Order = iota + 1
	OrderDesc
	OrderAscNullsFirst
	OrderAscNullsLast
	OrderDescNullsFirst
	OrderDescNullsLast
)

type OrderBy

type OrderBy struct {
	Col   *sdata.DBColumn
	Order Order
}

type Paging

type Paging struct {
	Type    PagingType
	Limit   int32
	Offset  int32
	Cursor  bool
	NoLimit bool
}

type PagingType

type PagingType int8

const (
	PTOffset PagingType = iota
	PTForward
	PTBackward
)

func (PagingType) String

func (i PagingType) String() string

type QCode

type QCode struct {
	Type      QType
	SType     QType
	ActionVar string
	Selects   []Select
	Vars      Variables
	Mutates   []Mutate
	Roots     []int32

	Schema *sdata.DBSchema
	// contains filtered or unexported fields
}

type QType

type QType int8

const (
	QTUnknown QType = iota
	QTQuery
	QTSubscription
	QTMutation
	QTInsert
	QTUpdate
	QTDelete
	QTUpsert
)

func GetQType

func GetQType(gql string) QType

func (QType) String

func (i QType) String() string

type QueryConfig

type QueryConfig struct {
	Limit            int
	Filters          []string
	Columns          []string
	DisableFunctions bool
	Block            bool
}

type SelType

type SelType int8

const (
	SelTypeNone SelType = iota
	SelTypeUnion
	SelTypeMember
)

func (SelType) String

func (i SelType) String() string

type Select

type Select struct {
	ID         int32
	ParentID   int32
	UParentID  int32
	Type       SelType
	Singular   bool
	Typename   bool
	Table      string
	FieldName  string
	Args       map[string]*graph.Node
	Cols       []Column
	ColMap     map[string]struct{}
	Funcs      []Function
	Where      Filter
	OrderBy    []OrderBy
	GroupCols  bool
	DistinctOn []*sdata.DBColumn
	Paging     Paging
	Children   []int32
	SkipRender SkipType
	Ti         *sdata.DBTableInfo
	Rel        *sdata.DBRel
	// contains filtered or unexported fields
}

type SkipType

type SkipType int8

const (
	SkipTypeNone SkipType = iota
	SkipTypeUserNeeded
	SkipTypeRemote
)

func (SkipType) String

func (i SkipType) String() string

type TRConfig

type TRConfig struct {
	Query  QueryConfig
	Insert InsertConfig
	Update UpdateConfig
	Upsert UpsertConfig
	Delete DeleteConfig
}

type UpdateConfig

type UpdateConfig struct {
	Filters []string
	Columns []string
	Presets map[string]string
	Block   bool
}

type UpsertConfig

type UpsertConfig struct {
	Filters []string
	Columns []string
	Presets map[string]string
	Block   bool
}

type ValType

type ValType int8

const (
	ValStr ValType = iota + 1
	ValNum
	ValBool
	ValList
	ValVar
	ValNone
	ValRef
)

func (ValType) String

func (i ValType) String() string

type Variables

type Variables map[string]json.RawMessage