Struct WhitelistValidator 

pub struct WhitelistValidator { /* private fields */ }

Whitelist validator that restricts SQL to only access allowed tables and columns.

Implementations

impl WhitelistValidator

pub fn new() -> Self

Create an empty whitelist validator (denies all by default).

pub fn allow_table(self, table: &str) -> Self

Add an allowed table name.

pub fn allow_tables(self, tables: &[&str]) -> Self

Add multiple allowed table names.

pub fn allow_columns(self, columns: &[&str]) -> Self

Set the allowed column name set. After setting, columns referenced in SQL must be in the set.

pub fn validate_tables(&self, sql: &str) -> ValidationResult

Validate that table names in SQL are within the whitelist.

Extracts all identifiers appearing after FROM / JOIN / INTO / UPDATE via lexical analysis, and checks whether they are in the allowed_tables set.

pub fn validate_columns(&self, sql: &str) -> ValidationResult

Validate that column names in SQL are within the whitelist.

Extracts identifiers after SELECT, in WHERE clauses, and after SET as column names for validation. Note: this validation is heuristic and may not cover all column reference scenarios.

pub fn validate(&self, sql: &str) -> ValidationResult

Validate both table names and column names.

Trait Implementations

impl Clone for WhitelistValidator

fn clone(&self) -> WhitelistValidator

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WhitelistValidator

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WhitelistValidator

fn default() -> WhitelistValidator

Returns the “default value” for a type.