package mysql import ( "context" "github.com/c9s/rockhopper" ) func init() { AddMigration(upAddDepositsTable, downAddDepositsTable) } func upAddDepositsTable(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is applied. _, err = tx.ExecContext(ctx, "CREATE TABLE `deposits`\n(\n `gid` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,\n `exchange` VARCHAR(24) NOT NULL,\n -- asset is the asset name (currency)\n `asset` VARCHAR(10) NOT NULL,\n `address` VARCHAR(128) NOT NULL DEFAULT '',\n `amount` DECIMAL(16, 8) NOT NULL,\n `txn_id` VARCHAR(256) NOT NULL,\n `time` DATETIME(3) NOT NULL,\n PRIMARY KEY (`gid`),\n UNIQUE KEY `txn_id` (`exchange`, `txn_id`)\n);") if err != nil { return err } return err } func downAddDepositsTable(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 `deposits`;") if err != nil { return err } return err }