preprocess

Documentation

Overview

Preprocessing Stuff. DEPRECATED: github.com/src-d/go-mysql-server now supports updates and deletes.

Index

• Variables
• func InsertKey() interface{}
• func InsertValue(ctx *sql.Context) string
• func Preprocess(ctx *sql.Context, cat *sql.Catalog, query sqlparser.Statement) (nc *sql.Context, nq sqlparser.Statement, err error)
• func PreprocessSimple(ctx *sql.Context, cat *sql.Catalog, query string) (nc *sql.Context, nq string, err error)
• type PrimaryKeyTable

Variables

var (
	ECantUpdatePK        = parse.ErrUnsupportedFeature.New("Can't update primary key")
	EUpdateTooManyTables = parse.ErrUnsupportedFeature.New("Update: too many tables")

	EUpdateSubquery = parse.ErrUnsupportedSyntax.New("Update on Subquery")
)

Functions

func InsertKey

func InsertKey() interface{}

func InsertValue

func InsertValue(ctx *sql.Context) string

func Preprocess

func Preprocess(ctx *sql.Context, cat *sql.Catalog, query sqlparser.Statement) (nc *sql.Context, nq sqlparser.Statement, err error)

Finds unsupported Queries and replaces them with a safe replacement.

func PreprocessSimple

func PreprocessSimple(ctx *sql.Context, cat *sql.Catalog, query string) (nc *sql.Context, nq string, err error)

Types

type PrimaryKeyTable

type PrimaryKeyTable interface {
	// Returns true, if the column is a primary key.
	IsPrimaryKey(column string) bool
}

An sql.Table with a primary key.