From 7ccc0d005ee558653792cc185a88f4f138f14a09 Mon Sep 17 00:00:00 2001 From: Tulir Asokan Date: Tue, 12 Jul 2022 12:29:39 +0300 Subject: [PATCH] Remove unused dbms migration function --- database/migrate.go | 200 -------------------------------------------- 1 file changed, 200 deletions(-) delete mode 100644 database/migrate.go diff --git a/database/migrate.go b/database/migrate.go deleted file mode 100644 index 36f2fea..0000000 --- a/database/migrate.go +++ /dev/null @@ -1,200 +0,0 @@ -package database - -import ( - "fmt" - "math" - "strings" -) - -func countRows(db *Database, table string) (int, error) { - countRow := db.QueryRow(fmt.Sprintf("SELECT COUNT(*) FROM %s", table)) - var count int - err := countRow.Scan(&count) - return count, err -} - -const VariableCountLimit = 512 - -func migrateTable(old *Database, new *Database, table string, columns ...string) error { - columnNames := strings.Join(columns, ",") - fmt.Printf("Migrating %s: ", table) - rowCount, err := countRows(old, table) - if err != nil { - return err - } - fmt.Print("found ", rowCount, " rows of data, ") - rows, err := old.Query(fmt.Sprintf("SELECT %s FROM \"%s\"", columnNames, table)) - if err != nil { - return err - } - serverColNames, err := rows.Columns() - if err != nil { - return err - } - colCount := len(serverColNames) - valueStringFormat := strings.Repeat("$%d, ", colCount) - valueStringFormat = fmt.Sprintf("(%s)", valueStringFormat[:len(valueStringFormat)-2]) - cols := make([]interface{}, colCount) - colPtrs := make([]interface{}, colCount) - for i := 0; i < colCount; i++ { - colPtrs[i] = &cols[i] - } - batchSize := VariableCountLimit / colCount - values := make([]interface{}, batchSize*colCount) - valueStrings := make([]string, batchSize) - var inserted int64 - batchCount := int(math.Ceil(float64(rowCount) / float64(batchSize))) - tx, err := new.Begin() - if err != nil { - return err - } - fmt.Printf("migrating in %d batches: ", batchCount) - for rowCount > 0 { - var i int - for ; rows.Next() && i < batchSize; i++ { - colPtrs := make([]interface{}, colCount) - valueStringArgs := make([]interface{}, colCount) - for j := 0; j < colCount; j++ { - pos := i*colCount + j - colPtrs[j] = &values[pos] - valueStringArgs[j] = pos + 1 - } - valueStrings[i] = fmt.Sprintf(valueStringFormat, valueStringArgs...) - err = rows.Scan(colPtrs...) - if err != nil { - panic(err) - } - } - slicedValues := values - slicedValueStrings := valueStrings - if i < len(valueStrings) { - slicedValueStrings = slicedValueStrings[:i] - slicedValues = slicedValues[:i*colCount] - } - if len(slicedValues) == 0 { - break - } - res, err := tx.Exec(fmt.Sprintf("INSERT INTO \"%s\" (%s) VALUES %s", table, columnNames, strings.Join(slicedValueStrings, ",")), slicedValues...) - if err != nil { - panic(err) - } - count, _ := res.RowsAffected() - inserted += count - rowCount -= batchSize - fmt.Print("#") - } - err = tx.Commit() - if err != nil { - return err - } - fmt.Println(" -- done with", inserted, "rows inserted") - return nil -} - -func Migrate(old *Database, new *Database) { - err := migrateTable(old, new, "portal", "jid", "receiver", "mxid", "name", "topic", "avatar", "avatar_url", "encrypted", "first_event_id", "next_batch_id", "relay_user_id") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "user", "mxid", "management_room", "username", "agent", "device") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "puppet", "username", "avatar", "displayname", "name_quality", "custom_mxid", "access_token", "next_batch", "avatar_url", "enable_presence", "enable_receipts") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "message", "chat_jid", "chat_receiver", "jid", "mxid", "sender", "timestamp", "sent", "decryption_error") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "mx_registrations", "user_id") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "mx_user_profile", "room_id", "user_id", "membership", "displayname", "avatar_url") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "mx_room_state", "room_id", "power_levels") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_account", "account_id", "device_id", "shared", "sync_token", "account") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_message_index", "sender_key", "session_id", `"index"`, "event_id", "timestamp") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_tracked_user", "user_id") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_device", "user_id", "device_id", "identity_key", "signing_key", "trust", "deleted", "name") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_olm_session", "account_id", "session_id", "sender_key", "session", "created_at", "last_used") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_megolm_inbound_session", "account_id", "session_id", "sender_key", "signing_key", "room_id", "session", "forwarding_chains", "withheld_code", "withheld_reason") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_megolm_outbound_session", "account_id", "room_id", "session_id", "session", "shared", "max_messages", "message_count", "max_age", "created_at", "last_used") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_cross_signing_keys", "user_id", "usage", "key") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "crypto_cross_signing_signatures", "signed_user_id", "signed_key", "signer_user_id", "signer_key", "signature") - if err != nil { - panic(err) - } - // Migrate whatsmeow tables. - err = migrateTable(old, new, "whatsmeow_device", "jid", "registration_id", "noise_key", "identity_key", "signed_pre_key", "signed_pre_key_id", "signed_pre_key_sig", "adv_key", "adv_details", "adv_account_sig", "adv_device_sig", "platform", "business_name", "push_name") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_identity_keys", "our_jid", "their_id", "identity") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_pre_keys", "jid", "key_id", "key", "uploaded") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_sessions", "our_jid", "their_id", "session") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_sender_keys", "our_jid", "chat_id", "sender_id", "sender_key") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_app_state_sync_keys", "jid", "key_id", "key_data", "timestamp", "fingerprint") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_app_state_version", "jid", "name", "version", "hash") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_app_state_mutation_macs", "jid", "name", "version", "index_mac", "value_mac") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_contacts", "our_jid", "their_jid", "first_name", "full_name", "push_name", "business_name") - if err != nil { - panic(err) - } - err = migrateTable(old, new, "whatsmeow_chat_settings", "our_jid", "chat_jid", "muted_until", "pinned", "archived") - if err != nil { - panic(err) - } -}