limbo/simulator/model/query/create.rs

38 lines
890 B
Rust

use std::fmt::Display;
use serde::{Deserialize, Serialize};
use crate::{
model::table::{SimValue, Table},
SimulatorEnv,
};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub(crate) struct Create {
pub(crate) table: Table,
}
impl Create {
pub(crate) fn shadow(&self, env: &mut SimulatorEnv) -> Vec<Vec<SimValue>> {
if !env.tables.iter().any(|t| t.name == self.table.name) {
env.tables.push(self.table.clone());
}
vec![]
}
}
impl Display for Create {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "CREATE TABLE {} (", self.table.name)?;
for (i, column) in self.table.columns.iter().enumerate() {
if i != 0 {
write!(f, ",")?;
}
write!(f, "{} {}", column.name, column.column_type)?;
}
write!(f, ")")
}
}