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29 #include "modules/webdatabase/ChangeVersionWrapper.h"
31 #include "modules/webdatabase/Database.h"
32 #include "modules/webdatabase/SQLError.h"
36 ChangeVersionWrapper::ChangeVersionWrapper(const String& oldVersion, const String& newVersion)
37 : m_oldVersion(oldVersion.isolatedCopy())
38 , m_newVersion(newVersion.isolatedCopy())
42 bool ChangeVersionWrapper::performPreflight(SQLTransactionBackend* transaction)
44 ASSERT(transaction && transaction->database());
46 Database* database = transaction->database();
49 if (!database->getVersionFromDatabase(actualVersion)) {
50 int sqliteError = database->sqliteDatabase().lastError();
51 database->reportChangeVersionResult(1, SQLError::UNKNOWN_ERR, sqliteError);
52 m_sqlError = SQLErrorData::create(SQLError::UNKNOWN_ERR, "unable to read the current version",
53 sqliteError, database->sqliteDatabase().lastErrorMsg());
57 if (actualVersion != m_oldVersion) {
58 database->reportChangeVersionResult(2, SQLError::VERSION_ERR, 0);
59 m_sqlError = SQLErrorData::create(SQLError::VERSION_ERR, "current version of the database and `oldVersion` argument do not match");
66 bool ChangeVersionWrapper::performPostflight(SQLTransactionBackend* transaction)
68 ASSERT(transaction && transaction->database());
70 Database* database = transaction->database();
72 if (!database->setVersionInDatabase(m_newVersion)) {
73 int sqliteError = database->sqliteDatabase().lastError();
74 database->reportChangeVersionResult(3, SQLError::UNKNOWN_ERR, sqliteError);
75 m_sqlError = SQLErrorData::create(SQLError::UNKNOWN_ERR, "unable to set new version in database",
76 sqliteError, database->sqliteDatabase().lastErrorMsg());
80 database->setExpectedVersion(m_newVersion);
82 database->reportChangeVersionResult(0, -1, 0); // OK
86 void ChangeVersionWrapper::handleCommitFailedAfterPostflight(SQLTransactionBackend* transaction)
88 transaction->database()->setCachedVersion(m_oldVersion);