protected void readDDL(Session session) throws IOException, HsqlException {
Result r = Result.read(rowIn, dataStreamIn);
Iterator it = r.iterator();
while (it.hasNext()) {
Object[] data = (Object[]) it.next();
String s = (String) data[0];
Result result = session.sqlExecuteDirectNoPreChecks(s);
if (result.mode == ResultConstants.ERROR) {
db.logger.appLog.logContext(result.getException());
/** @todo fredt - trap if unavaialble external functions are to be ignored */
throw Trace.error(result);
}
}
}
/**
* This is used to read the *.log file and manage any necessary transaction rollback.
*
* @throws HsqlException
*/
public static void runScript(Database database, String logFilename, int logType)
throws HsqlException {
IntKeyHashMap sessionMap = new IntKeyHashMap();
Session sysSession = database.getSessionManager().getSysSession(null, false);
Session current = sysSession;
int currentId = 0;
database.setReferentialIntegrity(false);
ScriptReaderBase scr = null;
try {
StopWatch sw = new StopWatch();
scr =
ScriptReaderBase.newScriptReader(database, logFilename, ScriptWriterBase.SCRIPT_TEXT_170);
while (scr.readLoggedStatement(current)) {
int sessionId = scr.getSessionNumber();
if (currentId != sessionId) {
currentId = sessionId;
current = (Session) sessionMap.get(currentId);
if (current == null) {
current =
database
.getSessionManager()
.newSession(database, sysSession.getUser(), false, true);
sessionMap.put(currentId, current);
}
}
if (current.isClosed()) {
sessionMap.remove(currentId);
continue;
}
String schema = current.currentSchema.name;
Result result = null;
switch (scr.getStatementType()) {
case ScriptReaderBase.ANY_STATEMENT:
result = current.sqlExecuteDirectNoPreChecks(scr.getLoggedStatement());
if (result != null && result.mode == ResultConstants.ERROR) {
if (result.getException() != null) {
throw result.getException();
}
throw Trace.error(result);
}
break;
case ScriptReaderBase.SEQUENCE_STATEMENT:
scr.getCurrentSequence().reset(scr.getSequenceValue());
break;
case ScriptReaderBase.COMMIT_STATEMENT:
current.commit();
break;
case ScriptReaderBase.INSERT_STATEMENT:
{
Object[] data = scr.getData();
scr.getCurrentTable().insertNoCheckFromLog(current, data);
break;
}
case ScriptReaderBase.DELETE_STATEMENT:
{
Object[] data = scr.getData();
scr.getCurrentTable().deleteNoCheckFromLog(current, data);
break;
}
case ScriptReaderBase.SCHEMA_STATEMENT:
{
current.setSchema(scr.getCurrentSchema());
}
}
if (current.isClosed()) {
sessionMap.remove(currentId);
}
}
} catch (Throwable e) {
String message;
// catch out-of-memory errors and terminate
if (e instanceof OutOfMemoryError) {
message = "out of memory processing " + logFilename + " line: " + scr.getLineNumber();
database.logger.appLog.logContext(message);
throw Trace.error(Trace.OUT_OF_MEMORY);
}
// stop processing on bad log line
message = logFilename + " line: " + scr.getLineNumber() + " " + e.getMessage();
database.logger.appLog.logContext(message);
Trace.printSystemOut(message);
} finally {
if (scr != null) {
scr.close();
}
database.getSessionManager().closeAllSessions();
database.setReferentialIntegrity(true);
}
}