mtgc/crates/mtgc-core/src/sql/reference_schema.sql

-- Schema for reference.db: read-only card data built from Scryfall bulk.
-- Applied against a connection whose `main` database IS the reference db
-- (the ingester opens reference.db directly; at runtime it is ATTACHed as `ref`).

CREATE TABLE IF NOT EXISTS oracle_cards (
    oracle_id      TEXT PRIMARY KEY,
    name           TEXT NOT NULL,
    name_lower     TEXT NOT NULL,          -- for cheap case-insensitive substring
    mana_value     REAL NOT NULL DEFAULT 0,
    colors         INTEGER NOT NULL DEFAULT 0,   -- WUBRG bitmask
    color_identity INTEGER NOT NULL DEFAULT 0,   -- WUBRG bitmask
    type_line      TEXT NOT NULL DEFAULT '',
    oracle_text    TEXT NOT NULL DEFAULT ''
);
CREATE INDEX IF NOT EXISTS idx_oracle_name_lower ON oracle_cards(name_lower);
CREATE INDEX IF NOT EXISTS idx_oracle_ci ON oracle_cards(color_identity);
CREATE INDEX IF NOT EXISTS idx_oracle_mv ON oracle_cards(mana_value);

-- Normalized attribute tables for fast type/subtype/keyword filtering.
CREATE TABLE IF NOT EXISTS card_types (
    oracle_id TEXT NOT NULL,
    type      TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_card_types_type ON card_types(type);
CREATE INDEX IF NOT EXISTS idx_card_types_oid ON card_types(oracle_id);

CREATE TABLE IF NOT EXISTS card_subtypes (
    oracle_id TEXT NOT NULL,
    subtype   TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_card_subtypes_sub ON card_subtypes(subtype);
CREATE INDEX IF NOT EXISTS idx_card_subtypes_oid ON card_subtypes(oracle_id);

CREATE TABLE IF NOT EXISTS card_keywords (
    oracle_id TEXT NOT NULL,
    keyword   TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_card_keywords_kw ON card_keywords(keyword);
CREATE INDEX IF NOT EXISTS idx_card_keywords_oid ON card_keywords(oracle_id);

-- One row per printing (default-language bulk).
CREATE TABLE IF NOT EXISTS printings (
    scryfall_id      TEXT PRIMARY KEY,
    oracle_id        TEXT NOT NULL,
    set_code         TEXT NOT NULL DEFAULT '',
    collector_number TEXT NOT NULL DEFAULT '',
    finishes         TEXT NOT NULL DEFAULT '',   -- comma-joined, e.g. "nonfoil,foil"
    rarity           TEXT NOT NULL DEFAULT '',
    image_uri        TEXT NOT NULL DEFAULT '',
    back_image_uri   TEXT NOT NULL DEFAULT ''   -- transform/MDFC/reversible back face
);
CREATE INDEX IF NOT EXISTS idx_printings_oid ON printings(oracle_id);

-- Secondary trigram FTS index over names (typo-tolerant fallback; the primary
-- interactive search is the in-memory nucleo matcher).
CREATE VIRTUAL TABLE IF NOT EXISTS oracle_names_fts
    USING fts5(name, oracle_id UNINDEXED, tokenize = 'trigram');