-- +up
-- +begin
CREATE TABLE `klines`
(
    `gid`           INTEGER PRIMARY KEY AUTOINCREMENT,
    `exchange`      VARCHAR(10)             NOT NULL,
    `start_time`    DATETIME(3)             NOT NULL,
    `end_time`      DATETIME(3)             NOT NULL,
    `interval`      VARCHAR(3)              NOT NULL,
    `symbol`        VARCHAR(7)              NOT NULL,
    `open`          DECIMAL(16, 8)  NOT NULL,
    `high`          DECIMAL(16, 8)  NOT NULL,
    `low`           DECIMAL(16, 8)  NOT NULL,
    `close`         DECIMAL(16, 8)  NOT NULL DEFAULT 0.0,
    `volume`        DECIMAL(16, 8)  NOT NULL DEFAULT 0.0,
    `closed`        BOOLEAN         NOT NULL DEFAULT TRUE,
    `last_trade_id` INT             NOT NULL DEFAULT 0,
    `num_trades`    INT             NOT NULL DEFAULT 0
);
-- +end

-- +begin
CREATE INDEX `klines_end_time_symbol_interval` ON klines (`end_time`, `symbol`, `interval`);
-- +end

-- +begin
CREATE TABLE `okex_klines` AS SELECT * FROM `klines` WHERE 0
-- +end

-- +begin
CREATE TABLE `binance_klines` AS SELECT * FROM `klines` WHERE 0
-- +end

-- +begin
CREATE TABLE `max_klines` AS SELECT * FROM `klines` WHERE 0
-- +end

-- +down
DROP INDEX IF EXISTS `klines_end_time_symbol_interval`;
DROP TABLE IF EXISTS `binance_klines`;
DROP TABLE IF EXISTS `okex_klines`;
DROP TABLE IF EXISTS `max_klines`;
DROP TABLE IF EXISTS `klines`;