use super::backend::{Sqlite, SqliteType};
use query_builder::{QueryBuilder, BuildQueryResult};
use types::HasSqlType;
pub struct SqliteQueryBuilder {
pub sql: String,
pub bind_params: Vec<(SqliteType, Option<Vec<u8>>)>,
}
impl SqliteQueryBuilder {
pub fn new() -> Self {
SqliteQueryBuilder {
sql: String::new(),
bind_params: Vec::new(),
}
}
}
impl QueryBuilder<Sqlite> for SqliteQueryBuilder {
fn push_sql(&mut self, sql: &str) {
self.sql.push_str(sql);
}
fn push_identifier(&mut self, identifier: &str) -> BuildQueryResult {
self.push_sql("`");
self.push_sql(&identifier.replace("`", "``"));
self.push_sql("`");
Ok(())
}
fn push_bound_value<T>(&mut self, bind: Option<Vec<u8>>) where
Sqlite: HasSqlType<T>,
{
self.push_sql("?");
self.bind_params.push((Sqlite::metadata(), bind));
}
}