filter

package
v0.1.10 Latest Latest
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 Go to latest Published: Feb 27, 2024 License: MIT Imports: 17 Imported by: 0

Documentation

Overview

Code generated by goyacc -l -o gram_y.go gram.y. DO NOT EDIT.

Index

Constants

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const (
	FillNil int = iota + 1
	FillInt
	FillFloat
	FillStr
	FillLinear
	FillPrevious
)
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const (
	Digits    = "0123456789"
	HexDigits = "0123456789abcdefABCDEF"
)
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const ADD = 57368
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const AND = 57394
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const AS = 57381
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const ASC = 57382
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const AUTO = 57383
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const BY = 57384
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const COLON = 57347
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const COMMA = 57349
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const COMMENT = 57350
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const DESC = 57387
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const DIV = 57369
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const DOT = 57366
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const DURATION = 57351
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const EOF = 57352
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const EQ = 57346
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const ERROR = 57353
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const FALSE = 57389
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const FILTER = 57390
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const FLOAT = 57406
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const GT = 57371
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const GTE = 57370
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const ID = 57354
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const IDENTIFIER = 57391
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const IN = 57392
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const INT = 57405
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const LEFT_BRACE = 57355
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const LEFT_BRACKET = 57356
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const LEFT_PAREN = 57357
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const LIMIT = 57396
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const LINK = 57395
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const LT = 57372
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const LTE = 57373
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const MATCH = 57385
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const MOD = 57374
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const MUL = 57375
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const NAMESPACE = 57365
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const NEQ = 57376
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const NIL = 57399
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const NOT_IN = 57393
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const NOT_MATCH = 57386
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const NULL = 57400
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const NUMBER = 57358
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const (
	Nil = "nil"
)
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const OFFSET = 57401
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const OR = 57398
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const ORDER = 57403
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const POINT = 57407
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const POW = 57377
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const QUOTED_STRING = 57364
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const RE = 57404
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const RIGHT_BRACE = 57359
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const RIGHT_BRACKET = 57360
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const RIGHT_PAREN = 57361
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const SEMICOLON = 57348
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const SLIMIT = 57397
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const SOFFSET = 57402
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const SPACE = 57362
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const START_BINARY_EXPRESSION = 57413
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const START_FUNC_EXPRESSION = 57414
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const START_STMTS = 57412
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const START_WHERE_CONDITION = 57415
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const STRING = 57363
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const SUB = 57378
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const TIMEZONE = 57408
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const TRUE = 57388
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const WITH = 57409

Variables

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var (
	ItemTypeStr = map[ItemType]string{
		LEFT_PAREN:    "(",
		RIGHT_PAREN:   ")",
		LEFT_BRACE:    "{",
		RIGHT_BRACE:   "}",
		LEFT_BRACKET:  "[",
		RIGHT_BRACKET: "]",
		COMMA:         ",",
		EQ:            "=",
		COLON:         ":",
		SEMICOLON:     ";",
		SPACE:         "<space>",
		DOT:           ".",
		NAMESPACE:     "::",

		SUB: "-",
		ADD: "+",
		MUL: "*",
		MOD: "%",
		DIV: "/",
		NEQ: "!=",
		LTE: "<=",
		LT:  "<",
		GTE: ">=",
		GT:  ">",
		POW: "^",
		AND: "&&",
		OR:  "||",
	}
)

Functions

func Init 

func Init()

Types

type Anonymous 

type Anonymous struct{}

func (*Anonymous) Pos 

func (n *Anonymous) Pos() *PositionRange

func (*Anonymous) String 

func (n *Anonymous) String() string

type AttrExpr 

type AttrExpr struct {
	Obj  Node `json:"object,omitempty"`
	Attr Node `json:"attr,omitempty"`
}

func (*AttrExpr) Pos 

func (n *AttrExpr) Pos() *PositionRange

func (*AttrExpr) String 

func (n *AttrExpr) String() string

type BinaryExpr 

type BinaryExpr struct {
	Op         ItemType `json:"operator,omitempty"`
	LHS        Node     `json:"left,omitempty"`
	RHS        Node     `json:"right,omitempty"`
	ReturnBool bool     `json:"-"`
}

func (*BinaryExpr) DQLExpr 

func (e *BinaryExpr) DQLExpr()

func (*BinaryExpr) Eval 

func (e *BinaryExpr) Eval(data KVs) bool

func (*BinaryExpr) Pos 

func (e *BinaryExpr) Pos() *PositionRange

func (*BinaryExpr) String 

func (e *BinaryExpr) String() string

func (*BinaryExpr) Type 

func (e *BinaryExpr) Type() ValueType

type BoolLiteral 

type BoolLiteral struct {
	Val bool `json:"val,omitempty"`
}

func (*BoolLiteral) Pos 

func (n *BoolLiteral) Pos() *PositionRange

func (*BoolLiteral) String 

func (n *BoolLiteral) String() string

type CascadeFunctions 

type CascadeFunctions struct {
	Funcs []*FuncExpr `json:"function_list,omitempty"`
}

func (*CascadeFunctions) Pos 

func (n *CascadeFunctions) Pos() *PositionRange

func (*CascadeFunctions) String 

func (n *CascadeFunctions) String() string

type DFQuery 

type DFQuery struct {

	// data source
	Names          []string  `json:"names,omitempty"`
	RegexNames     []*Regex  `json:"regex_names,omitempty"`
	Targets        []*Target `json:"targets,omitempty"`
	WhereCondition []Node    `json:"where_condition,omitempty"`

	Namespace string `json:"namespace,omitempty"`

	Subquery *DFQuery `json:"subquery,omitempty"`

	GroupBy     *GroupBy     `json:"groupby,omitempty"`
	OrderBy     *OrderBy     `json:"orderby,omitempty"`
	Limit       *Limit       `json:"limit,omitempty"`
	Offset      *Offset      `json:"offset,omitempty"`
	SLimit      *SLimit      `json:"slimit,omitempty"`
	SOffset     *SOffset     `json:"soffset,omitempty"`
	TimeZone    *TimeZone    `json:"timezone,omitempty"`
	SearchAfter *SearchAfter `json:"search_after,omitempty"` // search_after
	Helper      *Helper      `json:"-"`

	Anonymous bool `json:"-"`
	Highlight bool `json:"highlight,omitempty"`
}

func (*DFQuery) From 

func (m *DFQuery) From() string

func (*DFQuery) GroupByList 

func (m *DFQuery) GroupByList() []string

func (*DFQuery) IsAllTargets 

func (m *DFQuery) IsAllTargets() bool

IsAllTargets 未指定 target 或为手动填写 "*"，即 ALL，like SELECT * FROM XX.

func (*DFQuery) IsMatchTargetsNum 

func (m *DFQuery) IsMatchTargetsNum(num int) bool

func (*DFQuery) JSON 

func (m *DFQuery) JSON() ([]byte, error)

func (*DFQuery) Pos 

func (m *DFQuery) Pos() *PositionRange

func (*DFQuery) String 

func (m *DFQuery) String() string

type DeleteFunc 

type DeleteFunc struct {
	// (1) dql语句;
	// (2) es indexName, 索引名称不包含wsid，例如: rum, log等;
	// (3) influxdb measurement name, 例如: cpu,mem等
	StrDql            string
	Func              *FuncExpr
	DeleteIndex       bool // 是否删除整个ES索引
	DeleteMeasurement bool // 是否删除整个Influxdb measurement
}

DeleteFunc delete info.

func (*DeleteFunc) Pos 

func (d *DeleteFunc) Pos() *PositionRange

func (*DeleteFunc) String 

func (d *DeleteFunc) String() string

type ESTRes 

type ESTRes struct {
	Alias           map[string]string // 别名信息
	SortFields      []string          // 返回字段有序列表
	ClassNames      string            // metric 类型名称
	Show            bool              // 是否是show查询
	ShowFields      bool              // 是否是show fields查询
	TimeField       string            // time字段
	FLFuncCount     int               // first,last函数个数
	AggsFromSize    int               // 聚合的分页
	StartTime       int64             // 开始时间
	EndTime         int64             // 结束时间
	HighlightFields []string          // 高亮字段
}

type Evaluable 

type Evaluable interface {
	Eval(data KVs) bool
}

type Expr 

type Expr interface {
	Node
	Type() ValueType
	DQLExpr()
}

type Fill 

type Fill struct {
	FillType int     `json:"-"`
	Str      string  `json:"-"`
	Float    float64 `json:"-"`
	Int      int64   `json:"-"`
	Boolean  bool    `json:"-"`
}

func (*Fill) MarshalJSON 

func (n *Fill) MarshalJSON() ([]byte, error)

func (*Fill) Pos 

func (n *Fill) Pos() *PositionRange

func (*Fill) String 

func (n *Fill) String() string

func (*Fill) StringInfluxql 

func (n *Fill) StringInfluxql() string

type FuncArg 

type FuncArg struct {
	ArgName string `json:"name,omitempty"`
	ArgVal  Node   `json:"val,omitempty"`
}

func (*FuncArg) Pos 

func (n *FuncArg) Pos() *PositionRange

func (*FuncArg) String 

func (n *FuncArg) String() string

type FuncArgList 

type FuncArgList []Node

func (FuncArgList) Pos 

func (n FuncArgList) Pos() *PositionRange

func (FuncArgList) String 

func (n FuncArgList) String() string

type FuncExpr 

type FuncExpr struct {
	Name  string `json:"name,omitempty"`
	Param []Node `json:"param,omitempty"`
}

func (*FuncExpr) Pos 

func (n *FuncExpr) Pos() *PositionRange

func (*FuncExpr) SplitFill 

func (n *FuncExpr) SplitFill() (val Node, fill *Fill, err error)

func (*FuncExpr) String 

func (n *FuncExpr) String() string

type GroupBy 

type GroupBy struct {
	List NodeList `json:"val_list,omitempty"`
}

func (*GroupBy) ColumnList 

func (n *GroupBy) ColumnList() []string

func (*GroupBy) Pos 

func (n *GroupBy) Pos() *PositionRange

func (*GroupBy) String 

func (n *GroupBy) String() string

type Helper 

type Helper struct {
	ESTResPtr *ESTRes // es translate，当结果转为influxdb结构使用
}

Helper tranlate中间结果.

type Identifier 

type Identifier struct {
	Name string `json:"val,omitempty"`
}

func (*Identifier) DQLExpr 

func (e *Identifier) DQLExpr()

func (*Identifier) Pos 

func (e *Identifier) Pos() *PositionRange

func (*Identifier) String 

func (e *Identifier) String() string

func (*Identifier) Type 

func (e *Identifier) Type() ValueType

type Item 

type Item struct {
	Typ ItemType
	Pos Pos
	Val string
}

func (*Item) PositionRange 

func (i *Item) PositionRange() *PositionRange

func (Item) String 

func (i Item) String() string

type ItemType 

type ItemType int

func (ItemType) IsKeyword 

func (i ItemType) IsKeyword() bool

func (ItemType) IsOperator 

func (i ItemType) IsOperator() bool

func (*ItemType) MarshalJSON 

func (i *ItemType) MarshalJSON() ([]byte, error)

func (ItemType) String 

func (i ItemType) String() string

type KVs 

type KVs interface {
	Get(k string) (v any, ok bool)
}

type Lexer 

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

Lexer holds the state of the scanner.

func Lex 

func Lex(input string) *Lexer

func (*Lexer) NextItem 

func (l *Lexer) NextItem(itemp *Item)

type Limit 

type Limit struct {
	Limit int64 `json:"val,omitempty"`
}

func (*Limit) Pos 

func (n *Limit) Pos() *PositionRange

func (*Limit) String 

func (n *Limit) String() string

type NilLiteral 

type NilLiteral struct{}

func (*NilLiteral) Pos 

func (n *NilLiteral) Pos() *PositionRange

func (*NilLiteral) String 

func (n *NilLiteral) String() string

type Node 

type Node interface {
	String() string
	Pos() *PositionRange
}

type NodeList 

type NodeList []Node

func (NodeList) Pos 

func (n NodeList) Pos() *PositionRange

func (NodeList) String 

func (n NodeList) String() string

type NumberLiteral 

type NumberLiteral struct {
	IsInt bool
	Float float64
	Int   int64
}

func (*NumberLiteral) DQLExpr 

func (e *NumberLiteral) DQLExpr()

func (*NumberLiteral) IsPositiveInteger 

func (e *NumberLiteral) IsPositiveInteger() bool

func (*NumberLiteral) MarshalJSON 

func (e *NumberLiteral) MarshalJSON() ([]byte, error)

func (*NumberLiteral) Pos 

func (e *NumberLiteral) Pos() *PositionRange

func (*NumberLiteral) Reverse 

func (e *NumberLiteral) Reverse()

func (*NumberLiteral) String 

func (e *NumberLiteral) String() string

func (*NumberLiteral) Type 

func (e *NumberLiteral) Type() ValueType

type Offset 

type Offset struct {
	Offset int64 `json:"val,omitempty"`
}

func (*Offset) Pos 

func (n *Offset) Pos() *PositionRange

func (*Offset) String 

func (n *Offset) String() string

type OrderBy 

type OrderBy struct {
	List NodeList
}

func (*OrderBy) Pos 

func (n *OrderBy) Pos() *PositionRange

func (*OrderBy) String 

func (n *OrderBy) String() string

type OrderByElem 

type OrderByElem struct {
	Column string    `json:"-"`
	Opt    OrderType `json:"-"`
}

func (*OrderByElem) MarshalJSON 

func (n *OrderByElem) MarshalJSON() ([]byte, error)

func (*OrderByElem) Pos 

func (n *OrderByElem) Pos() *PositionRange

func (*OrderByElem) String 

func (n *OrderByElem) String() string

type OrderType 

type OrderType int
const (
	OrderAsc OrderType = iota
	OrderDesc
)

type OuterFunc 

type OuterFunc struct {
	Func         *FuncExpr     `json:"func,omitempty"`
	FuncArgVals  []interface{} `json:"func_arg_vals,omitempty"`
	FuncArgTypes []string      `json:"func_arg_types,omitempty"`
	FuncArgNames []string      `json:"func_arg_names,omitempty"`
}

OuterFunc outerFunc.

func (*OuterFunc) Pos 

func (ofuncs *OuterFunc) Pos() *PositionRange

func (*OuterFunc) String 

func (ofuncs *OuterFunc) String() string

type OuterFuncs 

type OuterFuncs struct {
	Funcs []*OuterFunc `json:"funcs,omitempty"`
}

func (*OuterFuncs) JSON 

func (ofuncs *OuterFuncs) JSON() ([]byte, error)

func (*OuterFuncs) Pos 

func (ofuncs *OuterFuncs) Pos() *PositionRange

func (*OuterFuncs) String 

func (ofuncs *OuterFuncs) String() string

type ParenExpr 

type ParenExpr struct {
	Param Node `json:"paren"`
}

func (*ParenExpr) DQLExpr 

func (*ParenExpr) DQLExpr()

func (*ParenExpr) Eval 

func (p *ParenExpr) Eval(data KVs) bool

func (*ParenExpr) Pos 

func (*ParenExpr) Pos() *PositionRange

func (*ParenExpr) String 

func (p *ParenExpr) String() string

func (*ParenExpr) Type 

func (*ParenExpr) Type() ValueType

type ParseError 

type ParseError struct {
	Pos        *PositionRange
	Err        error
	Query      string
	LineOffset int
}

func (*ParseError) Error 

func (e *ParseError) Error() string

type ParseErrors 

type ParseErrors []ParseError

func (ParseErrors) Error 

func (errs ParseErrors) Error() string

Error impl Error() interface.

type Pos 

type Pos int

Pos is the position in a string. Negative numbers indicate undefined positions.

type PositionRange 

type PositionRange struct {
	Start, End Pos
}

type Regex 

type Regex struct {
	Regex string `json:"regex,omitempty"`
	Re    *regexp.Regexp
}

func (*Regex) DQLExpr 

func (e *Regex) DQLExpr()

func (*Regex) MarshalJSON 

func (e *Regex) MarshalJSON() ([]byte, error)

func (*Regex) Pos 

func (e *Regex) Pos() *PositionRange

func (*Regex) String 

func (e *Regex) String() string

func (*Regex) Type 

func (e *Regex) Type() ValueType

type SLimit 

type SLimit struct {
	SLimit int64 `json:"val,omitempty"`
}

func (*SLimit) Pos 

func (n *SLimit) Pos() *PositionRange

func (*SLimit) String 

func (n *SLimit) String() string

type SOffset 

type SOffset struct {
	SOffset int64 `json:"val,omitempty"`
}

func (*SOffset) Pos 

func (n *SOffset) Pos() *PositionRange

func (*SOffset) String 

func (n *SOffset) String() string

type SearchAfter 

type SearchAfter struct {
	Vals []interface{} `json:"vals,omitempty"`
}

SearchAfter 深度分页.

func (*SearchAfter) Pos 

func (sa *SearchAfter) Pos() *PositionRange

Pos pos.

func (*SearchAfter) String 

func (sa *SearchAfter) String() string

String string.

type Star 

type Star struct{}

func (*Star) MarshalJSON 

func (n *Star) MarshalJSON() ([]byte, error)

func (*Star) Pos 

func (n *Star) Pos() *PositionRange

func (*Star) String 

func (n *Star) String() string

type Statement 

type Statement interface {
	Node
	DQLStmt() // not used
}

type StaticCast 

type StaticCast struct {
	IsInt   bool
	IsFloat bool
	Val     *Identifier
}

func (*StaticCast) DQLExpr 

func (e *StaticCast) DQLExpr()

func (*StaticCast) MarshalJSON 

func (e *StaticCast) MarshalJSON() ([]byte, error)

func (*StaticCast) Pos 

func (e *StaticCast) Pos() *PositionRange

func (*StaticCast) String 

func (e *StaticCast) String() string

func (*StaticCast) Type 

func (e *StaticCast) Type() ValueType

type Stmts 

type Stmts []Node

func (Stmts) Pos 

func (n Stmts) Pos() *PositionRange

func (Stmts) String 

func (n Stmts) String() string

type StringLiteral 

type StringLiteral struct {
	Val string `json:"val,omitempty"`
}

func (*StringLiteral) DQLExpr 

func (e *StringLiteral) DQLExpr()

func (*StringLiteral) Pos 

func (e *StringLiteral) Pos() *PositionRange

func (*StringLiteral) String 

func (e *StringLiteral) String() string

func (*StringLiteral) Type 

func (e *StringLiteral) Type() ValueType

type Target 

type Target struct {
	Col    Node   `json:"col,omitempty"`
	Alias  string `json:"alias,omitempty"`
	Fill   *Fill  `json:"fill,omitempty"`
	Talias string `json:"tailas,omitempty"` // dql翻译别名
}

func (*Target) Pos 

func (n *Target) Pos() *PositionRange

func (*Target) String 

func (n *Target) String() string

func (*Target) String2 

func (n *Target) String2() string

type TimeResolution 

type TimeResolution struct {
	Duration time.Duration
	Auto     bool
	PointNum *NumberLiteral
}

func (*TimeResolution) Pos 

func (n *TimeResolution) Pos() *PositionRange

func (*TimeResolution) String 

func (n *TimeResolution) String() string

type TimeZone 

type TimeZone struct {
	Input    string `json:"input,omitempty"`
	TimeZone string `json:"-"`
}

func (*TimeZone) Pos 

func (n *TimeZone) Pos() *PositionRange

func (*TimeZone) String 

func (n *TimeZone) String() string

type Value 

type Value interface {
	Type() ValueType
	String() string
}

type ValueType 

type ValueType string

type WhereCondition 

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

func (*WhereCondition) Eval 

func (x *WhereCondition) Eval(data KVs) bool

func (*WhereCondition) Pos 

func (x *WhereCondition) Pos() *PositionRange

func (*WhereCondition) String 

func (x *WhereCondition) String() string

type WhereConditions 

type WhereConditions []Node

func GetConds 

func GetConds(input string) (WhereConditions, error)

func (WhereConditions) Eval 

func (x WhereConditions) Eval(data KVs) int

func (WhereConditions) Pos 

func (x WhereConditions) Pos() *PositionRange

func (WhereConditions) String 

func (x WhereConditions) String() string

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