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expr

package

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Versions in this module

v0

v0.0.2

Sep 5, 2019

Changes in this version

+ const AvgCallName

+ const ContainsCallName

+ const ConvertTzCallName

+ const CountCallName

+ const CountDistinctHllCallName

+ const DayOfWeekCallName

+ const ElementAtCallName

+ const FromUnixTimeCallName

+ const GeographyIntersectsCallName

+ const HexCallName

+ const HllCallName

+ const HourCallName

+ const LengthCallName

+ const ListCallName

+ const MaxCallName

+ const MinCallName

+ const SumCallName

+ func IsUUIDColumn(expression Expr) bool

type Expr

+ func Cast(e Expr, t Type) Expr

type Token

+ const ARRAY_CONTAINS

+ const ARRAY_ELEMENT_AT

+ const ARRAY_LENGTH

type VarRef

+ IsHLLColumn bool

v0.0.1

Nov 27, 2018

Changes in this version

+ func IdentNeedsQuotes(ident string) bool

+ func QuoteIdent(segments ...string) string

+ func QuoteString(s string) string

+ func ScanBareIdent(r io.RuneScanner) string

+ func ScanDelimited(r io.RuneScanner, start, end rune, escapes map[rune]rune, escapesPassThru bool) ([]byte, error)

+ func ScanString(r io.RuneScanner) (string, error)

+ func Walk(v Visitor, expr Expr)

+ func WalkFunc(e Expr, fn func(Expr))

+ type BinaryExpr struct

+ ExprType Type

+ LHS Expr

+ Op Token

+ RHS Expr

+ func (e *BinaryExpr) String() string

+ func (e *BinaryExpr) Type() Type

+ type BooleanLiteral struct

+ Val bool

+ func (l *BooleanLiteral) String() string

+ func (l *BooleanLiteral) Type() Type

+ type Call struct

+ Args []Expr

+ ExprType Type

+ Name string

+ func (c *Call) String() string

+ func (c *Call) Type() Type

+ type Case struct

+ Else Expr

+ ExprType Type

+ WhenThens []WhenThen

+ func (c *Case) String() string

+ func (c *Case) Type() Type

+ type Distinct struct

+ Val string

+ func (d *Distinct) NewCall() *Call

+ func (d *Distinct) String() string

+ func (d *Distinct) Type() Type

+ type Expr interface

+ String func() string

+ Type func() Type

+ func CloneExpr(expr Expr) Expr

+ func ParseExpr(s string) (Expr, error)

+ func Rewrite(r Rewriter, expr Expr) Expr

+ func RewriteFunc(e Expr, fn func(Expr) Expr) Expr

+ type GeopointLiteral struct

+ Val [2]float32

+ func (l *GeopointLiteral) String() string

+ func (l *GeopointLiteral) Type() Type

+ type NullLiteral struct

+ func (l *NullLiteral) String() string

+ func (l *NullLiteral) Type() Type

+ type NumberLiteral struct

+ Expr string

+ ExprType Type

+ Int int

+ Val float64

+ func (l *NumberLiteral) String() string

+ func (l *NumberLiteral) Type() Type

+ type ParenExpr struct

+ Expr Expr

+ ExprType Type

+ func (e *ParenExpr) String() string

+ func (e *ParenExpr) Type() Type

+ type ParseError struct

+ Expected []string

+ Found string

+ Message string

+ Pos Pos

+ func (e *ParseError) Error() string

+ type Parser struct

+ func NewParser(r io.Reader) *Parser

+ func (p *Parser) ParseExpr(binOpPrcdncLb int) (Expr, error)

+ type Pos struct

+ Char int

+ Line int

+ type Rewriter interface

+ Rewrite func(Expr) Expr

+ type Scanner struct

+ func NewScanner(r io.Reader) *Scanner

+ func (s *Scanner) Scan() (tok Token, pos Pos, lit string)

+ type StringLiteral struct

+ Val string

+ func (l *StringLiteral) String() string

+ func (l *StringLiteral) Type() Type

+ type Token int

+ const ADD

+ const ALL

+ const AND

+ const AS

+ const ASC

+ const BADESCAPE

+ const BADSTRING

+ const BEGIN

+ const BITWISE_AND

+ const BITWISE_LEFT_SHIFT

+ const BITWISE_NOT

+ const BITWISE_OR

+ const BITWISE_RIGHT_SHIFT

+ const BITWISE_XOR

+ const BY

+ const CASE

+ const COMMA

+ const CONVERT_TZ

+ const DEFAULT

+ const DELETE

+ const DESC

+ const DISTINCT

+ const DIV

+ const DOT

+ const DROP

+ const ELSE

+ const END

+ const EOF

+ const EQ

+ const EXCLAMATION

+ const EXISTS

+ const FALSE

+ const FIELD

+ const FLOOR

+ const FOR

+ const FROM

+ const GEOGRAPHY_INTERSECTS

+ const GET_DAY_OF_MONTH

+ const GET_DAY_OF_YEAR

+ const GET_HLL_VALUE

+ const GET_MONTH_OF_YEAR

+ const GET_MONTH_START

+ const GET_QUARTER_OF_YEAR

+ const GET_QUARTER_START

+ const GET_WEEK_START

+ const GET_YEAR_START

+ const GROUP

+ const GT

+ const GTE

+ const IDENT

+ const IF

+ const ILLEGAL

+ const IN

+ const INF

+ const INNER

+ const INSERT

+ const IS

+ const IS_FALSE

+ const IS_NOT_NULL

+ const IS_NULL

+ const IS_TRUE

+ const KEY

+ const KEYS

+ const LIMIT

+ const LPAREN

+ const LT

+ const LTE

+ const MOD

+ const MUL

+ const NEQ

+ const NOT

+ const NOT_IN

+ const NULL

+ const NUMBER

+ const OFFSET

+ const ON

+ const OR

+ const ORDER

+ const RPAREN

+ const SELECT

+ const STRING

+ const SUB

+ const THEN

+ const TO

+ const TRUE

+ const UNARY_MINUS

+ const UNKNOWN

+ const VALUES

+ const WHEN

+ const WHERE

+ const WITH

+ const WS

+ func Lookup(ident string) Token

+ func (tok Token) MarshalJSON() ([]byte, error)

+ func (tok Token) Precedence() int

+ func (tok Token) String() string

+ type Type int

+ const Boolean

+ const Float

+ const GeoPoint

+ const GeoShape

+ const Signed

+ const UnknownType

+ const Unsigned

+ func (t Type) MarshalJSON() ([]byte, error)

+ func (t Type) String() string

+ type UnaryExpr struct

+ Expr Expr

+ ExprType Type

+ Op Token

+ func (e *UnaryExpr) String() string

+ func (e *UnaryExpr) Type() Type

+ type UnknownLiteral struct

+ func (l *UnknownLiteral) String() string

+ func (l *UnknownLiteral) Type() Type

+ type VarRef struct

+ ColumnID int

+ DataType memCom.DataType

+ EnumDict map[string]int

+ EnumReverseDict []string

+ ExprType Type

+ TableID int

+ Val string

+ func (r *VarRef) String() string

+ func (r *VarRef) Type() Type

+ type Visitor interface

+ Visit func(Expr) Visitor

+ type WhenThen struct

+ Then Expr

+ When Expr

+ type Wildcard struct

+ func (e *Wildcard) String() string

+ func (e *Wildcard) Type() Type