bbgo_origin/pkg/migrations/mysql/20201106114742_klines.go

74 lines
2.3 KiB
Go
Raw Normal View History

2021-02-06 01:51:05 +00:00
package mysql
import (
"context"
"github.com/c9s/rockhopper"
)
func init() {
rockhopper.AddMigration(upKlines, downKlines)
}
func upKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is applied.
_, err = tx.ExecContext(ctx, "CREATE TABLE `klines`\n(\n `gid` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,\n `exchange` VARCHAR(10) NOT NULL,\n `start_time` DATETIME(3) NOT NULL,\n `end_time` DATETIME(3) NOT NULL,\n `interval` VARCHAR(3) NOT NULL,\n `symbol` VARCHAR(7) NOT NULL,\n `open` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `high` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `low` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `close` DECIMAL(16, 8) UNSIGNED NOT NULL DEFAULT 0.0,\n `volume` DECIMAL(16, 8) UNSIGNED NOT NULL DEFAULT 0.0,\n `closed` BOOL NOT NULL DEFAULT TRUE,\n `last_trade_id` INT UNSIGNED NOT NULL DEFAULT 0,\n `num_trades` INT UNSIGNED NOT NULL DEFAULT 0,\n PRIMARY KEY (`gid`)\n);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE INDEX `klines_end_time_symbol_interval` ON klines (`end_time`, `symbol`, `interval`);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE TABLE `okex_klines` LIKE `klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE TABLE `binance_klines` LIKE `klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE TABLE `max_klines` LIKE `klines`;")
if err != nil {
return err
}
return err
}
func downKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is rolled back.
_, err = tx.ExecContext(ctx, "DROP INDEX `klines_end_time_symbol_interval` ON `klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP TABLE `binance_klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP TABLE `okex_klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP TABLE `max_klines`;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP TABLE `klines`;")
if err != nil {
return err
}
return err
}