hawdb-optimizer-graph 0.8.0

An embedded Rust graph database for local data-plane workloads
Documentation 
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// Copyright 2026 Nowledge
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use super::super::PhysicalPlan;
use crate::OptimizerContext;
use hawdb_plan_cypher::LogicalPlan;

use super::{access, ddl, mutation, procedure, traversal};

pub(super) fn lower_simple_logical(
    logical: &LogicalPlan,
    optimizer_context: &OptimizerContext,
) -> Option<PhysicalPlan> {
    ddl::lower(logical)
        .or_else(|| mutation::lower(logical))
        .or_else(|| access::lower(logical))
        .or_else(|| traversal::lower(logical))
        .or_else(|| procedure::lower(logical, optimizer_context))
}