Struct MemoryExecutor 

pub struct MemoryExecutor { /* private fields */ }

In-memory query executor for testing and simple use cases

Implementations

impl MemoryExecutor

pub fn new() -> Self

Create a new memory executor

pub fn add_table( &mut self, name: impl Into<String>, columns: Vec<String>, rows: Vec<Row>, )

Add a table

pub fn insert(&mut self, table: &str, row: Row) -> bool

Insert a row

Trait Implementations

impl Default for MemoryExecutor

fn default() -> Self

Returns the “default value” for a type.

impl QueryExecutor for MemoryExecutor

fn execute(&self, plan: &QueryPlan) -> Result<QueryResult, QueryError>

Execute a query plan

fn count( &self, table: &str, filter: Option<&Filter>, ) -> Result<usize, QueryError>

Count rows matching filter

fn table_exists(&self, table: &str) -> bool

Check if table exists

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

Get table column names