exprs

Documentation

Overview

Package exprs is the internal package for parsing DynamoDB "expressions", including condition expressions and filter expressions.

Index

• type Expr
  • func Parse(input string) (*Expr, error)
• type Item
  • func (i Item) String() string
• type ItemType

Types

type Expr

type Expr struct {
	Items []Item
	// contains filtered or unexported fields
}

Expr is a "parsed" expression.

func Parse

func Parse(input string) (*Expr, error)

Parse returns a lexed but not very parsed expression.

type Item

type Item struct {
	Type ItemType
	Pos  int
	Val  string
}

Item is a lexed item.

func (Item) String

func (i Item) String() string

type ItemType

type ItemType int

ItemType of a lexed item.

const (
	ItemError ItemType = iota
	ItemEOF
	ItemText
	ItemQuotedName
	ItemNamePlaceholder
	ItemValuePlaceholder
	ItemMagicLiteral
)

Types of lexed items.