nodedb-sql 0.3.0

SQL parser, planner, and optimizer for NodeDB
Documentation 
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// SPDX-License-Identifier: Apache-2.0

/// Source for `COPY ... TO`.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CopyToSource {
    /// `COPY <collection> TO '<path>'` — export from a named collection.
    Collection(String),
    /// `COPY (SELECT ...) TO '<path>'` — export from an arbitrary query.
    Query(String),
}

/// Format for `COPY ... FROM` bulk import.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CopyFormat {
    /// One JSON object per line (`.ndjson` / `.jsonl`).
    Ndjson,
    /// A JSON array of objects (`.json`).
    JsonArray,
    /// CSV with an optional header row (`.csv`).
    Csv,
}