parser

package

v0.0.0-...-e31ada9 Latest Latest Go to latest Published: Jul 8, 2024 License: MIT Imports: 2 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/0x19/mdbx-sql

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Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Aggregate ¶

type Aggregate struct {
	Func   string
	Column string
}

type Condition ¶

type Condition struct {
	Field string
	Op    string
	Value string
}

type Join ¶

type Join struct {
	Table    string
	OnField1 string
	OnField2 string
}

type Lexer ¶

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

Lexer represents a lexer for SQL.

func NewLexer ¶

func NewLexer(input string) *Lexer

NewLexer initializes a new Lexer.

func (*Lexer) NextToken ¶

func (l *Lexer) NextToken() Token

type Node ¶

type Node interface{}

AST Nodes

type Parser ¶

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

Parser represents a parser for SQL.

func NewParser ¶

func NewParser(l *Lexer) *Parser

NewParser initializes a new Parser.

func (*Parser) Parse ¶

func (p *Parser) Parse() Node

type SelectStatement ¶

type SelectStatement struct {
	Columns    []string
	TableName  string
	Conditions []Condition
	Joins      []Join
	Aggregates []Aggregate
}

type Token ¶

type Token struct {
	Type    TokenType
	Literal string
}

Token represents a lexical token.

type TokenType ¶

type TokenType int

const (
	ILLEGAL TokenType = iota
	EOF
	WS
	IDENT
	NUMBER
	COMMA
	SELECT
	FROM
	WHERE
	EQ
	GT  // Greater Than
	LT  // Less Than
	GTE // Greater Than or Equal To
	LTE // Less Than or Equal To
	NEQ // Not Equal To
	AND
	INSERT
	INTO
	VALUES
	UPDATE
	SET
	DELETE
	LPAREN
	RPAREN
	JOIN
	ON
	SUM
	ASTERISK
)

Source Files ¶

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