hmn/src/migration/migrations/2021-08-08T110926Z_AddDelet...

62 lines
2.0 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(AddDeletionIndices{})
}
type AddDeletionIndices struct{}
func (m AddDeletionIndices) Version() types.MigrationVersion {
return types.MigrationVersion(time.Date(2021, 8, 8, 11, 9, 26, 0, time.UTC))
}
func (m AddDeletionIndices) Name() string {
return "AddDeletionIndices"
}
func (m AddDeletionIndices) Description() string {
return "Add indices to tables that depend on auth_user to allow for faster deletion of users"
}
func (m AddDeletionIndices) Up(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx, `DROP TABLE auth_user_user_permissions;`)
if err != nil {
return oops.New(err, "failed to drop auth_user_user_permissions")
}
_, err = tx.Exec(ctx, `DROP TABLE django_admin_log;`)
if err != nil {
return oops.New(err, "failed to drop django_admin_log")
}
_, err = tx.Exec(ctx, `
CREATE INDEX handmade_communicationchoice_userid ON handmade_communicationchoice (user_id);
CREATE INDEX handmade_communicationsubcategory_userid ON handmade_communicationsubcategory (user_id);
CREATE INDEX handmade_communicationsubthread_userid ON handmade_communicationsubthread (user_id);
CREATE INDEX handmade_discord_hmnuserid ON handmade_discord (hmn_user_id);
CREATE INDEX handmade_links_userid ON handmade_links (user_id);
CREATE INDEX handmade_passwordresetrequest_userid ON handmade_passwordresetrequest (user_id);
CREATE INDEX handmade_post_authorid ON handmade_post (author_id);
CREATE INDEX handmade_postversion_editorid ON handmade_postversion (editor_id);
CREATE INDEX handmade_thread_personalarticleuserid ON handmade_thread (personal_article_user_id);
CREATE INDEX handmade_user_projects_userid ON handmade_user_projects (user_id);
`)
if err != nil {
return oops.New(err, "failed to create user_id indices")
}
return nil
}
func (m AddDeletionIndices) Down(ctx context.Context, tx pgx.Tx) error {
panic("Implement me")
}