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reifydb_engine/flow/compiler/operator/
append.rs

1// SPDX-License-Identifier: AGPL-3.0-or-later
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::interface::catalog::flow::FlowNodeId;
5use reifydb_rql::{flow::node::FlowNodeType, nodes::AppendQueryNode, query::QueryPlan};
6use reifydb_transaction::transaction::admin::AdminTransaction;
7use reifydb_type::Result;
8
9use crate::flow::compiler::{CompileOperator, FlowCompiler};
10
11pub(crate) struct AppendCompiler {
12	pub left: Box<QueryPlan>,
13	pub right: Box<QueryPlan>,
14}
15
16impl From<AppendQueryNode> for AppendCompiler {
17	fn from(node: AppendQueryNode) -> Self {
18		Self {
19			left: node.left,
20			right: node.right,
21		}
22	}
23}
24
25impl CompileOperator for AppendCompiler {
26	fn compile(self, compiler: &mut FlowCompiler, txn: &mut AdminTransaction) -> Result<FlowNodeId> {
27		let left_node = compiler.compile_plan(txn, *self.left)?;
28		let right_node = compiler.compile_plan(txn, *self.right)?;
29
30		let node_id = compiler.add_node(txn, FlowNodeType::Append)?;
31
32		compiler.add_edge(txn, &left_node, &node_id)?;
33		compiler.add_edge(txn, &right_node, &node_id)?;
34
35		Ok(node_id)
36	}
37}