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75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
package mysql
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import (
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"context"
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"github.com/c9s/rockhopper"
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)
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func init() {
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AddMigration(upKlines, downKlines)
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}
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func upKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
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// This code is executed when the migration is applied.
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_, 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(20) NOT NULL,\n `open` DECIMAL(20, 8) UNSIGNED NOT NULL,\n `high` DECIMAL(20, 8) UNSIGNED NOT NULL,\n `low` DECIMAL(20, 8) UNSIGNED NOT NULL,\n `close` DECIMAL(20, 8) UNSIGNED NOT NULL DEFAULT 0.0,\n `volume` DECIMAL(20, 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);")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "CREATE INDEX `klines_end_time_symbol_interval` ON klines (`end_time`, `symbol`, `interval`);")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "CREATE TABLE `okex_klines` LIKE `klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "CREATE TABLE `binance_klines` LIKE `klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "CREATE TABLE `max_klines` LIKE `klines`;")
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if err != nil {
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return err
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}
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return err
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}
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func downKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
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// This code is executed when the migration is rolled back.
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_, err = tx.ExecContext(ctx, "DROP INDEX `klines_end_time_symbol_interval` ON `klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "DROP TABLE `binance_klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "DROP TABLE `okex_klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "DROP TABLE `max_klines`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "DROP TABLE `klines`;")
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if err != nil {
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return err
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}
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return err
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}
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