package mysql import ( "context" "github.com/c9s/rockhopper/v2" ) func init() { AddMigration("main", up_main_trades, down_main_trades) } func up_main_trades(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is applied. _, err = tx.ExecContext(ctx, "CREATE TABLE `trades`\n(\n `gid` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,\n `id` BIGINT UNSIGNED,\n `order_id` BIGINT UNSIGNED NOT NULL,\n `exchange` VARCHAR(24) NOT NULL DEFAULT '',\n `symbol` VARCHAR(32) NOT NULL,\n `price` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `quantity` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `quote_quantity` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `fee` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `fee_currency` VARCHAR(16) NOT NULL,\n `is_buyer` BOOLEAN NOT NULL DEFAULT FALSE,\n `is_maker` BOOLEAN NOT NULL DEFAULT FALSE,\n `side` VARCHAR(4) NOT NULL DEFAULT '',\n `traded_at` DATETIME(3) NOT NULL,\n `is_margin` BOOLEAN NOT NULL DEFAULT FALSE,\n `is_isolated` BOOLEAN NOT NULL DEFAULT FALSE,\n `strategy` VARCHAR(32) NULL,\n `pnl` DECIMAL NULL,\n PRIMARY KEY (`gid`),\n UNIQUE KEY `id` (`exchange`, `symbol`, `side`, `id`)\n);") if err != nil { return err } _, err = tx.ExecContext(ctx, "CREATE INDEX trades_symbol ON trades (exchange, symbol);") if err != nil { return err } _, err = tx.ExecContext(ctx, "CREATE INDEX trades_symbol_fee_currency ON trades (exchange, symbol, fee_currency, traded_at);") if err != nil { return err } _, err = tx.ExecContext(ctx, "CREATE INDEX trades_traded_at_symbol ON trades (exchange, traded_at, symbol);") if err != nil { return err } return err } func down_main_trades(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is rolled back. _, err = tx.ExecContext(ctx, "DROP TABLE IF EXISTS `trades`;") if err != nil { return err } _, err = tx.ExecContext(ctx, "DROP INDEX trades_symbol ON trades;") if err != nil { return err } _, err = tx.ExecContext(ctx, "DROP INDEX trades_symbol_fee_currency ON trades;") if err != nil { return err } _, err = tx.ExecContext(ctx, "DROP INDEX trades_traded_at_symbol ON trades;") if err != nil { return err } return err }