hmn/src/migration/migrations/2022-06-26T115703Z_SnippetP...

51 lines
1.1 KiB
Go

package migrations
import (
"context"
"time"
"git.handmade.network/hmn/hmn/src/migration/types"
"github.com/jackc/pgx/v4"
)
func init() {
registerMigration(SnippetProjectAssociation{})
}
type SnippetProjectAssociation struct{}
func (m SnippetProjectAssociation) Version() types.MigrationVersion {
return types.MigrationVersion(time.Date(2022, 6, 26, 11, 57, 3, 0, time.UTC))
}
func (m SnippetProjectAssociation) Name() string {
return "SnippetProjectAssociation"
}
func (m SnippetProjectAssociation) Description() string {
return "Table for associating a snippet with projects"
}
func (m SnippetProjectAssociation) Up(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx,
`
CREATE TABLE snippet_project (
snippet_id INTEGER NOT NULL REFERENCES snippet (id) ON DELETE CASCADE,
project_id INTEGER NOT NULL REFERENCES project (id) ON DELETE CASCADE,
kind INTEGER NOT NULL,
UNIQUE (snippet_id, project_id)
);
`,
)
return err
}
func (m SnippetProjectAssociation) Down(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx,
`
DROP TABLE snippet_project;
`,
)
return err
}