Bigfoot/Bigfoot/Libs/Engine/BigFile/BigFileSchema.sql

PRAGMA journal_mode=WAL;

CREATE TABLE IF NOT EXISTS AssetMetadata (
    UUID                BLOB        NOT NULL,

    CreateTime          INTEGER     NOT NULL DEFAULT(CAST(unixepoch('subsec') * 1000000 AS INTEGER)),
    ModificationTime    INTEGER     NOT NULL DEFAULT(CAST(unixepoch('subsec') * 1000000 AS INTEGER)),

    PRIMARY KEY(UUID)
) WITHOUT ROWID;

CREATE TABLE IF NOT EXISTS Asset (
    UUID                BLOB        NOT NULL,

    Asset               BLOB        NOT NULL,

    PRIMARY KEY(UUID),
    FOREIGN KEY(UUID) REFERENCES AssetMetadata(UUID) ON DELETE CASCADE
) WITHOUT ROWID;

CREATE TRIGGER IF NOT EXISTS Asset_UpdateTime
AFTER UPDATE OF Asset ON Asset FOR EACH ROW
BEGIN
    UPDATE AssetMetadata
    SET ModificationTime = CAST(unixepoch('subsec') * 1000000 AS INTEGER)
    WHERE UUID = NEW.UUID;
END;

CREATE TABLE IF NOT EXISTS AssetHardReference (
    UUID                BLOB        NOT NULL,
    HardReference       BLOB        NOT NULL,

    PRIMARY KEY(UUID, HardReference),
    FOREIGN KEY(UUID) REFERENCES AssetMetadata(UUID)
        ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS AssetHardReference_ReferencedUUID ON AssetHardReference(HardReference);