uqa-execution 0.3.0

Volcano physical operators with row-batch pipelines
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//
// Unified Query Algebra
//
// Copyright (c) 2023-2026 Cognica, Inc.
//

//! Statement-local row overlays and exact index state.

use std::collections::{BTreeMap, BTreeSet};
use std::sync::Arc;
use uqa_core::DocId;
use uqa_storage::document_store::{Document, DocumentMetadata};

#[derive(Clone)]
pub struct CommandStoredDocument {
    pub fields: Arc<Document>,
    pub metadata: DocumentMetadata,
}

#[derive(Clone, Default)]
pub struct CommandMutationOverlay {
    pub documents: BTreeMap<String, BTreeMap<DocId, Option<CommandStoredDocument>>>,
    pub exact_indexes: BTreeMap<String, BTreeMap<Vec<String>, CommandExactIndex>>,
}

#[derive(Clone, Default)]
pub struct CommandExactIndex {
    pub doc_ids_by_key: BTreeMap<Vec<u8>, BTreeSet<DocId>>,
}