Struct Validator 

pub struct Validator { /* private fields */ }

Validates query elements against known schema and provides suggestions.

Implementations

impl Validator

pub fn new() -> Self

Create a new Validator with known tables and columns.

pub fn add_table(&mut self, table: &str, cols: &[&str])

Register a table and its columns.

pub fn table_names(&self) -> &[String]

Get list of all table names (for autocomplete).

pub fn column_names(&self, table: &str) -> Option<&Vec<String>>

Get column names for a table (for autocomplete).

pub fn validate_table(&self, table: &str) -> Result<(), String>

Check if a table exists. If not, returns suggested names.

pub fn validate_column(&self, table: &str, column: &str) -> Result<(), String>

Check if a column exists in a table. If not, returns suggested names.

pub fn validate_command(&self, cmd: &QailCmd) -> Result<(), Vec<String>>

Validate an entire QailCmd against the schema. Returns Ok(()) if valid, or a list of validation errors.

Trait Implementations

impl Clone for Validator

fn clone(&self) -> Validator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Validator

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

Formats the value using the given formatter.