hmn/src/migration/migrations/2022-05-26T144517Z_AddPersi...

58 lines
1.2 KiB
Go

package migrations
import (
"context"
"time"
"git.handmade.network/hmn/hmn/src/migration/types"
"git.handmade.network/hmn/hmn/src/oops"
"github.com/jackc/pgx/v5"
)
func init() {
registerMigration(AddPersistentVars{})
}
type AddPersistentVars struct{}
func (m AddPersistentVars) Version() types.MigrationVersion {
return types.MigrationVersion(time.Date(2022, 5, 26, 14, 45, 17, 0, time.UTC))
}
func (m AddPersistentVars) Name() string {
return "AddPersistentVars"
}
func (m AddPersistentVars) Description() string {
return "Create table for persistent_vars"
}
func (m AddPersistentVars) Up(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx,
`
CREATE TABLE persistent_var (
name VARCHAR(255) NOT NULL,
value TEXT NOT NULL
);
CREATE UNIQUE INDEX persistent_var_name ON persistent_var (name);
`,
)
if err != nil {
return oops.New(err, "failed to create persistent_var table")
}
return nil
}
func (m AddPersistentVars) Down(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx,
`
DROP INDEX persistent_var_name;
DROP TABLE persistent_var;
`,
)
if err != nil {
return oops.New(err, "failed to drop persistent_var table")
}
return nil
}