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34 lines
757 B
Go
34 lines
757 B
Go
package migrations
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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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rockhopper.AddMigration(upTradePriceQuantityIndex, downTradePriceQuantityIndex)
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}
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func upTradePriceQuantityIndex(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 INDEX trades_price_quantity ON trades (order_id,price,quantity);")
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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 downTradePriceQuantityIndex(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 trades_price_quantity ON trades")
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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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