use glaredb_error::Result;
use super::binder::bind_context::BindContext;
use super::binder::table_list::TableRef;
use super::operator::{LogicalNode, Node};
use crate::explain::explainable::{EntryBuilder, ExplainConfig, ExplainEntry, Explainable};
use crate::explain::node::ExplainedPlan;
use crate::expr::Expression;
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ExplainFormat {
Text,
Json,
}
#[derive(Debug, Clone, PartialEq)]
pub struct LogicalExplain {
pub analyze: bool,
pub verbose: bool,
pub format: ExplainFormat,
pub logical_unoptimized: ExplainedPlan,
pub logical_optimized: Option<ExplainedPlan>,
}
impl Explainable for LogicalExplain {
fn explain_entry(&self, conf: ExplainConfig) -> ExplainEntry {
EntryBuilder::new("Explain", conf).build()
}
}
impl LogicalNode for Node<LogicalExplain> {
fn name(&self) -> &'static str {
"Explain"
}
fn get_output_table_refs(&self, _bind_context: &BindContext) -> Vec<TableRef> {
Vec::new()
}
fn for_each_expr<'a, F>(&'a self, _func: F) -> Result<()>
where
F: FnMut(&'a Expression) -> Result<()>,
{
Ok(())
}
fn for_each_expr_mut<'a, F>(&'a mut self, _func: F) -> Result<()>
where
F: FnMut(&'a mut Expression) -> Result<()>,
{
Ok(())
}
}