bbgo_origin/pkg/migrations/sqlite3/20220317125555_fix_trade_indexes.go

85 lines
1.9 KiB
Go
Raw Normal View History

2022-03-17 05:31:31 +00:00
package sqlite3
import (
"context"
"github.com/c9s/rockhopper"
)
func init() {
AddMigration(upFixTradeIndexes, downFixTradeIndexes)
}
func upFixTradeIndexes(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is applied.
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_symbol;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_symbol_fee_currency;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_traded_at_symbol;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE INDEX trades_traded_at ON trades (traded_at, symbol, exchange, id, fee_currency, fee);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE INDEX trades_id_traded_at ON trades (id, traded_at);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "CREATE INDEX trades_order_id_traded_at ON trades (order_id, traded_at);")
if err != nil {
return err
}
return err
}
func downFixTradeIndexes(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is rolled back.
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_traded_at;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_id_traded_at;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "DROP INDEX IF EXISTS trades_order_id_traded_at;")
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
}