lex

package

v1.4.0-nextgen.202510.7 Latest Latest Go to latest Published: Apr 20, 2026 License: Apache-2.0 Imports: 2 Imported by: 0

Details

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

github.com/pingcap/tiproxy

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Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func IsReadOnly ¶

func IsReadOnly(sql string) bool

ignore prepared statements in text-protocol ignore EXPLAIN, EXPLAIN ANALYZE, and TRACE include SELECT FOR UPDATE because it doesn't require write privilege include SET because SET SESSION_STATES and SET session variables should be executed include BEGIN / COMMIT in case the user sets autocommit to false, either in SET SESSION_STATES or SET @@autocommit

func IsSensitiveSQL ¶

func IsSensitiveSQL(sql string) bool

func IsStartTxn ¶

func IsStartTxn(sql string) bool

Types ¶

type Lexer ¶

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

func NewLexer ¶

func NewLexer(sql string) *Lexer

func (*Lexer) NextToken ¶

func (l *Lexer) NextToken() string

It only returns uppercased identifiers and keywords. It's used to search for some specified keywords. It doesn't need to strict but it needs to be fast enough.

Source Files ¶

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