Struct CompositeQueryExecutor 

pub struct CompositeQueryExecutor { /* private fields */ }

Composite query executor that tries multiple executors in order

Implementations

impl CompositeQueryExecutor

pub fn new() -> Self

pub fn add_executor(&mut self, executor: Box<dyn QueryExecutor>)

Trait Implementations

impl Default for CompositeQueryExecutor

fn default() -> Self

Returns the “default value” for a type.

impl QueryExecutor for CompositeQueryExecutor

fn execute(&self, query: &str) -> Result<QueryResponse>

Execute a SQL query and return results

fn can_handle(&self, query: &str) -> bool

Check if this executor can handle the given query

fn row_count(&self) -> usize

Get row count without executing a query

fn column_count(&self) -> usize

Get column count without executing a query