qcode

package
v0.15.49 Latest Latest
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 Go to latest Published: Dec 16, 2020 License: Apache-2.0 Imports: 11 Imported by: 0

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Index

Constants

View Source 
const (
	CTConnect uint8 = 1 << iota
	CTDisconnect
)

Variables

This section is empty.

Functions

This section is empty.

Types

type AggregrateOp 

type AggregrateOp int8
const (
	AgCount AggregrateOp = iota + 1
	AgSum
	AgAvg
	AgMax
	AgMin
)

func (AggregrateOp) String 

func (i AggregrateOp) String() string

type Arg 

type Arg struct {
	Val 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
	FragmentFetcher func(name string) (string, error)
	DefaultBlock    bool
	DefaultLimit    int
	// 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
	OpRegex
	OpNotRegex
	OpIRegex
	OpNotIRegex
	OpContains
	OpContainedIn
	OpHasKey
	OpHasKeyAny
	OpHasKeyAll
	OpIsNull
	OpTsQuery
	OpFalse
	OpNotDistinct
	OpDistinct
	OpEqualsTrue
	OpNotEqualsTrue
)

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 uint8
}

type MTable 

type MTable struct {
	Ti    sdata.DBTableInfo
	CType uint8
}

type MType 

type MType uint8
const (
	MTInsert MType = iota + 1
	MTUpdate
	MTUpsert
	MTDelete
	MTConnect
	MTDisconnect
	MTNone
	MTKeyword
)

func (MType) String 

func (i MType) String() string

type Mutate 

type Mutate struct {
	ID    int32
	Type  MType
	CType uint8
	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
	Multi  bool
	MID    int32
	// 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
	LimitVar  string
	Limit     int32
	OffsetVar string
	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
	Roots     []int32

	Mutates []Mutate
	MCounts map[string]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
	Cols       []Column
	ColMap     map[string]int
	ArgMap     map[string]Arg
	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

Source Files

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