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Namespace user API tables (#2806)

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This migrates all the various user API tables, indices and sequences to
be `userapi_`-namespaced, rather than the mess they are all now.
This commit is contained in:
Neil Alexander 2022-10-18 15:59:08 +01:00 • committed by GitHub
parent 9c189b1b80
commit 3aa92efaa3
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GPG key ID: 4AEE18F83AFDEB23
34 changed files with 441 additions and 194 deletions
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109
userapi/storage/sqlite3/deltas/2022101711000000_rename_tables.go Normal file
View file

@ -0,0 +1,109 @@
package deltas
import (
"context"
"database/sql"
"fmt"
"strings"
)
var renameTableMappings = map[string]string{
"account_accounts": "userapi_accounts",
"account_data": "userapi_account_datas",
"device_devices": "userapi_devices",
"account_e2e_room_keys": "userapi_key_backups",
"account_e2e_room_keys_versions": "userapi_key_backup_versions",
"login_tokens": "userapi_login_tokens",
"open_id_tokens": "userapi_openid_tokens",
"account_profiles": "userapi_profiles",
"account_threepid": "userapi_threepids",
}
var renameIndicesMappings = map[string]string{
"device_localpart_id_idx": "userapi_device_localpart_id_idx",
"e2e_room_keys_idx": "userapi_key_backups_idx",
"e2e_room_keys_versions_idx": "userapi_key_backups_versions_idx",
"account_e2e_room_keys_versions_idx": "userapi_key_backup_versions_idx",
"login_tokens_expiration_idx": "userapi_login_tokens_expiration_idx",
"account_threepid_localpart": "userapi_threepid_idx",
}
func UpRenameTables(ctx context.Context, tx *sql.Tx) error {
for old, new := range renameTableMappings {
// SQLite has no "IF EXISTS" so check if the table exists.
var name string
if err := tx.QueryRowContext(
ctx, "SELECT name FROM sqlite_schema WHERE type = 'table' AND name = $1;", old,
).Scan(&name); err != nil {
if err == sql.ErrNoRows {
continue
}
return err
}
q := fmt.Sprintf(
"ALTER TABLE %s RENAME TO %s;", old, new,
)
if _, err := tx.ExecContext(ctx, q); err != nil {
return fmt.Errorf("rename table %q to %q error: %w", old, new, err)
}
}
for old, new := range renameIndicesMappings {
var query string
if err := tx.QueryRowContext(
ctx, "SELECT sql FROM sqlite_schema WHERE type = 'index' AND name = $1;", old,
).Scan(&query); err != nil {
if err == sql.ErrNoRows {
continue
}
return err
}
query = strings.Replace(query, old, new, 1)
if _, err := tx.ExecContext(ctx, fmt.Sprintf("DROP INDEX %s;", old)); err != nil {
return fmt.Errorf("drop index %q to %q error: %w", old, new, err)
}
if _, err := tx.ExecContext(ctx, query); err != nil {
return fmt.Errorf("recreate index %q to %q error: %w", old, new, err)
}
}
return nil
}
func DownRenameTables(ctx context.Context, tx *sql.Tx) error {
for old, new := range renameTableMappings {
// SQLite has no "IF EXISTS" so check if the table exists.
var name string
if err := tx.QueryRowContext(
ctx, "SELECT name FROM sqlite_schema WHERE type = 'table' AND name = $1;", new,
).Scan(&name); err != nil {
if err == sql.ErrNoRows {
continue
}
return err
}
q := fmt.Sprintf(
"ALTER TABLE %s RENAME TO %s;", new, old,
)
if _, err := tx.ExecContext(ctx, q); err != nil {
return fmt.Errorf("rename table %q to %q error: %w", new, old, err)
}
}
for old, new := range renameIndicesMappings {
var query string
if err := tx.QueryRowContext(
ctx, "SELECT sql FROM sqlite_schema WHERE type = 'index' AND name = $1;", new,
).Scan(&query); err != nil {
if err == sql.ErrNoRows {
continue
}
return err
}
query = strings.Replace(query, new, old, 1)
if _, err := tx.ExecContext(ctx, fmt.Sprintf("DROP INDEX %s;", new)); err != nil {
return fmt.Errorf("drop index %q to %q error: %w", new, old, err)
}
if _, err := tx.ExecContext(ctx, query); err != nil {
return fmt.Errorf("recreate index %q to %q error: %w", new, old, err)
}
}
return nil
}