Struct QueryPlan 

pub struct QueryPlan {
    pub table: String,
    pub columns: Vec<String>,
    pub filter: Option<Filter>,
    pub order_by: OrderBy,
    pub limits: QueryLimits,
    pub count_total: bool,
}

Query plan representing a query to execute

Fields

table: String

Table to query

columns: Vec<String>

Columns to select (empty = all)

filter: Option<Filter>

Filter conditions

order_by: OrderBy

Ordering

limits: QueryLimits

Limits

count_total: bool

Whether to count total rows

Implementations

impl QueryPlan

pub fn new(table: impl Into<String>) -> QueryPlan

Create a new query plan for a table

pub fn select(self, columns: Vec<String>) -> QueryPlan

Select specific columns

pub fn filter(self, filter: Filter) -> QueryPlan

Add a filter

pub fn order_by(self, order: OrderBy) -> QueryPlan

Add ordering

pub fn limit(self, n: usize) -> QueryPlan

Set limit

pub fn offset(self, n: usize) -> QueryPlan

Set offset

pub fn with_total_count(self) -> QueryPlan

Enable total count

Trait Implementations

impl Clone for QueryPlan

fn clone(&self) -> QueryPlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryPlan

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

Formats the value using the given formatter.