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SchemaUpgrades.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "SchemaUpgrades.h"
// local includes
#include "ActorsParentCommon.h"
#include "DatabaseFileInfo.h"
#include "DatabaseFileManager.h"
#include "DBSchema.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "IndexedDBCommon.h"
#include "ReportInternalError.h"
// global includes
#include <stdlib.h>
#include <algorithm>
#include <tuple>
#include <type_traits>
#include <utility>
#include "ErrorList.h"
#include "MainThreadUtils.h"
#include "SafeRefPtr.h"
#include "js/RootingAPI.h"
#include "js/StructuredClone.h"
#include "js/Value.h"
#include "jsapi.h"
#include "mozIStorageConnection.h"
#include "mozIStorageFunction.h"
#include "mozIStorageStatement.h"
#include "mozIStorageValueArray.h"
#include "mozStorageHelper.h"
#include "mozilla/Assertions.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/MacroForEach.h"
#include "mozilla/Monitor.h"
#include "mozilla/OriginAttributes.h"
#include "mozilla/RefPtr.h"
#include "mozilla/SchedulerGroup.h"
#include "mozilla/Span.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/indexedDB/IDBResult.h"
#include "mozilla/dom/indexedDB/Key.h"
#include "mozilla/dom/quota/Assertions.h"
#include "mozilla/dom/quota/PersistenceType.h"
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/dom/quota/ResultExtensions.h"
#include "mozilla/fallible.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/mozalloc.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/storage/Variant.h"
#include "nsCOMPtr.h"
#include "nsDebug.h"
#include "nsError.h"
#include "nsISupports.h"
#include "nsIVariant.h"
#include "nsLiteralString.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsTLiteralString.h"
#include "nsTStringRepr.h"
#include "nsThreadUtils.h"
#include "nscore.h"
#include "snappy/snappy.h"
struct JSContext;
class JSObject;
#if defined(MOZ_WIDGET_ANDROID)
# define IDB_MOBILE
#endif
namespace mozilla::dom::indexedDB {
using mozilla::ipc::IsOnBackgroundThread;
using quota::AssertIsOnIOThread;
using quota::PERSISTENCE_TYPE_INVALID;
namespace {
nsresult UpgradeSchemaFrom4To5(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom4To5", DOM);
nsresult rv;
// All we changed is the type of the version column, so lets try to
// convert that to an integer, and if we fail, set it to 0.
nsCOMPtr<mozIStorageStatement> stmt;
rv = aConnection.CreateStatement(
"SELECT name, version, dataVersion "
"FROM database"_ns,
getter_AddRefs(stmt));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsString name;
int32_t intVersion;
int64_t dataVersion;
{
mozStorageStatementScoper scoper(stmt);
QM_TRY_INSPECT(const bool& hasResults,
MOZ_TO_RESULT_INVOKE_MEMBER(stmt, ExecuteStep));
if (NS_WARN_IF(!hasResults)) {
return NS_ERROR_FAILURE;
}
nsString version;
rv = stmt->GetString(1, version);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
intVersion = version.ToInteger(&rv);
if (NS_FAILED(rv)) {
intVersion = 0;
}
rv = stmt->GetString(0, name);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = stmt->GetInt64(2, &dataVersion);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE database"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE database ("
"name TEXT NOT NULL, "
"version INTEGER NOT NULL DEFAULT 0, "
"dataVersion INTEGER NOT NULL"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// The parameter names are not used, parameters are bound by index only
// locally in the same function.
rv = aConnection.CreateStatement(
"INSERT INTO database (name, version, dataVersion) "
"VALUES (:name, :version, :dataVersion)"_ns,
getter_AddRefs(stmt));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
{
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindStringByIndex(0, name);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = stmt->BindInt32ByIndex(1, intVersion);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = stmt->BindInt64ByIndex(2, dataVersion);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = stmt->Execute();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
rv = aConnection.SetSchemaVersion(5);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult UpgradeSchemaFrom5To6(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom5To6", DOM);
// First, drop all the indexes we're no longer going to use.
nsresult rv = aConnection.ExecuteSimpleSQL("DROP INDEX key_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP INDEX ai_key_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP INDEX value_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP INDEX ai_value_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Now, reorder the columns of object_data to put the blob data last. We do
// this by copying into a temporary table, dropping the original, then copying
// back into a newly created table.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"id INTEGER PRIMARY KEY, "
"object_store_id, "
"key_value, "
"data "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT id, object_store_id, key_value, data "
"FROM object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE object_data ("
"id INTEGER PRIMARY KEY, "
"object_store_id INTEGER NOT NULL, "
"key_value DEFAULT NULL, "
"data BLOB NOT NULL, "
"UNIQUE (object_store_id, key_value), "
"FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO object_data "
"SELECT id, object_store_id, key_value, data "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// We need to add a unique constraint to our ai_object_data table. Copy all
// the data out of it using a temporary table as before.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"id INTEGER PRIMARY KEY, "
"object_store_id, "
"data "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT id, object_store_id, data "
"FROM ai_object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE ai_object_data ("
"id INTEGER PRIMARY KEY AUTOINCREMENT, "
"object_store_id INTEGER NOT NULL, "
"data BLOB NOT NULL, "
"UNIQUE (object_store_id, id), "
"FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO ai_object_data "
"SELECT id, object_store_id, data "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Fix up the index_data table. We're reordering the columns as well as
// changing the primary key from being a simple id to being a composite.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"index_id, "
"value, "
"object_data_key, "
"object_data_id "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT index_id, value, object_data_key, object_data_id "
"FROM index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE index_data ("
"index_id INTEGER NOT NULL, "
"value NOT NULL, "
"object_data_key NOT NULL, "
"object_data_id INTEGER NOT NULL, "
"PRIMARY KEY (index_id, value, object_data_key), "
"FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE "
"CASCADE, "
"FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT OR IGNORE INTO index_data "
"SELECT index_id, value, object_data_key, object_data_id "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE INDEX index_data_object_data_id_index "
"ON index_data (object_data_id);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Fix up the unique_index_data table. We're reordering the columns as well as
// changing the primary key from being a simple id to being a composite.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"index_id, "
"value, "
"object_data_key, "
"object_data_id "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT index_id, value, object_data_key, object_data_id "
"FROM unique_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE unique_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE unique_index_data ("
"index_id INTEGER NOT NULL, "
"value NOT NULL, "
"object_data_key NOT NULL, "
"object_data_id INTEGER NOT NULL, "
"PRIMARY KEY (index_id, value, object_data_key), "
"UNIQUE (index_id, value), "
"FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE "
"CASCADE "
"FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO unique_index_data "
"SELECT index_id, value, object_data_key, object_data_id "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE INDEX unique_index_data_object_data_id_index "
"ON unique_index_data (object_data_id);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Fix up the ai_index_data table. We're reordering the columns as well as
// changing the primary key from being a simple id to being a composite.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"index_id, "
"value, "
"ai_object_data_id "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT index_id, value, ai_object_data_id "
"FROM ai_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE ai_index_data ("
"index_id INTEGER NOT NULL, "
"value NOT NULL, "
"ai_object_data_id INTEGER NOT NULL, "
"PRIMARY KEY (index_id, value, ai_object_data_id), "
"FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE "
"CASCADE, "
"FOREIGN KEY (ai_object_data_id) REFERENCES ai_object_data(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT OR IGNORE INTO ai_index_data "
"SELECT index_id, value, ai_object_data_id "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE INDEX ai_index_data_ai_object_data_id_index "
"ON ai_index_data (ai_object_data_id);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Fix up the ai_unique_index_data table. We're reordering the columns as well
// as changing the primary key from being a simple id to being a composite.
rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"index_id, "
"value, "
"ai_object_data_id "
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT index_id, value, ai_object_data_id "
"FROM ai_unique_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_unique_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE ai_unique_index_data ("
"index_id INTEGER NOT NULL, "
"value NOT NULL, "
"ai_object_data_id INTEGER NOT NULL, "
"UNIQUE (index_id, value), "
"PRIMARY KEY (index_id, value, ai_object_data_id), "
"FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE "
"CASCADE, "
"FOREIGN KEY (ai_object_data_id) REFERENCES ai_object_data(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO ai_unique_index_data "
"SELECT index_id, value, ai_object_data_id "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE INDEX ai_unique_index_data_ai_object_data_id_index "
"ON ai_unique_index_data (ai_object_data_id);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(6);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult UpgradeSchemaFrom6To7(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom6To7", DOM);
nsresult rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"id, "
"name, "
"key_path, "
"auto_increment"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT id, name, key_path, auto_increment "
"FROM object_store;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE object_store;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE object_store ("
"id INTEGER PRIMARY KEY, "
"auto_increment INTEGER NOT NULL DEFAULT 0, "
"name TEXT NOT NULL, "
"key_path TEXT, "
"UNIQUE (name)"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO object_store "
"SELECT id, auto_increment, name, nullif(key_path, '') "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(7);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult UpgradeSchemaFrom7To8(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom7To8", DOM);
nsresult rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"id, "
"object_store_id, "
"name, "
"key_path, "
"unique_index, "
"object_store_autoincrement"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT id, object_store_id, name, key_path, "
"unique_index, object_store_autoincrement "
"FROM object_store_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE object_store_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE object_store_index ("
"id INTEGER, "
"object_store_id INTEGER NOT NULL, "
"name TEXT NOT NULL, "
"key_path TEXT NOT NULL, "
"unique_index INTEGER NOT NULL, "
"multientry INTEGER NOT NULL, "
"object_store_autoincrement INTERGER NOT NULL, "
"PRIMARY KEY (id), "
"UNIQUE (object_store_id, name), "
"FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO object_store_index "
"SELECT id, object_store_id, name, key_path, "
"unique_index, 0, object_store_autoincrement "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(8);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
class CompressDataBlobsFunction final : public mozIStorageFunction {
public:
NS_DECL_ISUPPORTS
private:
~CompressDataBlobsFunction() = default;
NS_IMETHOD
OnFunctionCall(mozIStorageValueArray* aArguments,
nsIVariant** aResult) override {
MOZ_ASSERT(aArguments);
MOZ_ASSERT(aResult);
AUTO_PROFILER_LABEL("CompressDataBlobsFunction::OnFunctionCall", DOM);
uint32_t argc;
nsresult rv = aArguments->GetNumEntries(&argc);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (argc != 1) {
NS_WARNING("Don't call me with the wrong number of arguments!");
return NS_ERROR_UNEXPECTED;
}
int32_t type;
rv = aArguments->GetTypeOfIndex(0, &type);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (type != mozIStorageStatement::VALUE_TYPE_BLOB) {
NS_WARNING("Don't call me with the wrong type of arguments!");
return NS_ERROR_UNEXPECTED;
}
const uint8_t* uncompressed;
uint32_t uncompressedLength;
rv = aArguments->GetSharedBlob(0, &uncompressedLength, &uncompressed);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
size_t compressedLength = snappy::MaxCompressedLength(uncompressedLength);
UniqueFreePtr<uint8_t> compressed(
static_cast<uint8_t*>(malloc(compressedLength)));
if (NS_WARN_IF(!compressed)) {
return NS_ERROR_OUT_OF_MEMORY;
}
snappy::RawCompress(
reinterpret_cast<const char*>(uncompressed), uncompressedLength,
reinterpret_cast<char*>(compressed.get()), &compressedLength);
std::pair<uint8_t*, int> data(compressed.release(), int(compressedLength));
nsCOMPtr<nsIVariant> result =
new mozilla::storage::AdoptedBlobVariant(data);
result.forget(aResult);
return NS_OK;
}
};
nsresult UpgradeSchemaFrom8To9_0(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom8To9_0", DOM);
// We no longer use the dataVersion column.
nsresult rv =
aConnection.ExecuteSimpleSQL("UPDATE database SET dataVersion = 0;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<mozIStorageFunction> compressor = new CompressDataBlobsFunction();
constexpr auto compressorName = "compress"_ns;
rv = aConnection.CreateFunction(compressorName, 1, compressor);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Turn off foreign key constraints before we do anything here.
rv = aConnection.ExecuteSimpleSQL(
"UPDATE object_data SET data = compress(data);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"UPDATE ai_object_data SET data = compress(data);"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.RemoveFunction(compressorName);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(MakeSchemaVersion(9, 0));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult UpgradeSchemaFrom9_0To10_0(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom9_0To10_0", DOM);
nsresult rv = aConnection.ExecuteSimpleSQL(
"ALTER TABLE object_data ADD COLUMN file_ids TEXT;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"ALTER TABLE ai_object_data ADD COLUMN file_ids TEXT;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = CreateFileTables(aConnection);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(MakeSchemaVersion(10, 0));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult UpgradeSchemaFrom10_0To11_0(mozIStorageConnection& aConnection) {
AssertIsOnIOThread();
AUTO_PROFILER_LABEL("UpgradeSchemaFrom10_0To11_0", DOM);
nsresult rv = aConnection.ExecuteSimpleSQL(
"CREATE TEMPORARY TABLE temp_upgrade ("
"id, "
"object_store_id, "
"name, "
"key_path, "
"unique_index, "
"multientry"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO temp_upgrade "
"SELECT id, object_store_id, name, key_path, "
"unique_index, multientry "
"FROM object_store_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE object_store_index;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TABLE object_store_index ("
"id INTEGER PRIMARY KEY, "
"object_store_id INTEGER NOT NULL, "
"name TEXT NOT NULL, "
"key_path TEXT NOT NULL, "
"unique_index INTEGER NOT NULL, "
"multientry INTEGER NOT NULL, "
"UNIQUE (object_store_id, name), "
"FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE "
"CASCADE"
");"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO object_store_index "
"SELECT id, object_store_id, name, key_path, "
"unique_index, multientry "
"FROM temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE temp_upgrade;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"DROP TRIGGER object_data_insert_trigger;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO object_data (object_store_id, key_value, data, file_ids) "
"SELECT object_store_id, id, data, file_ids "
"FROM ai_object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"CREATE TRIGGER object_data_insert_trigger "
"AFTER INSERT ON object_data "
"FOR EACH ROW "
"WHEN NEW.file_ids IS NOT NULL "
"BEGIN "
"SELECT update_refcount(NULL, NEW.file_ids); "
"END;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO index_data (index_id, value, object_data_key, "
"object_data_id) "
"SELECT ai_index_data.index_id, ai_index_data.value, "
"ai_index_data.ai_object_data_id, object_data.id "
"FROM ai_index_data "
"INNER JOIN object_store_index ON "
"object_store_index.id = ai_index_data.index_id "
"INNER JOIN object_data ON "
"object_data.object_store_id = object_store_index.object_store_id AND "
"object_data.key_value = ai_index_data.ai_object_data_id;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"INSERT INTO unique_index_data (index_id, value, object_data_key, "
"object_data_id) "
"SELECT ai_unique_index_data.index_id, ai_unique_index_data.value, "
"ai_unique_index_data.ai_object_data_id, object_data.id "
"FROM ai_unique_index_data "
"INNER JOIN object_store_index ON "
"object_store_index.id = ai_unique_index_data.index_id "
"INNER JOIN object_data ON "
"object_data.object_store_id = object_store_index.object_store_id AND "
"object_data.key_value = ai_unique_index_data.ai_object_data_id;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL(
"UPDATE object_store "
"SET auto_increment = (SELECT max(id) FROM ai_object_data) + 1 "
"WHERE auto_increment;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_unique_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_index_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.ExecuteSimpleSQL("DROP TABLE ai_object_data;"_ns);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = aConnection.SetSchemaVersion(MakeSchemaVersion(11, 0));