use of org.hsqldb_voltpatches.result.Result in project voltdb by VoltDB.
the class StatementQuery method getResult.
@Override
Result getResult(Session session) {
Result result = queryExpression.getResult(session, session.getMaxRows());
result.setStatement(this);
return result;
}
use of org.hsqldb_voltpatches.result.Result in project voltdb by VoltDB.
the class SessionData method getRowSetSlice.
RowSetNavigatorClient getRowSetSlice(long id, int offset, int count) {
Result result = (Result) resultMap.get(id);
RowSetNavigator source = result.getNavigator();
if (offset + count > source.getSize()) {
count = source.getSize() - offset;
}
return new RowSetNavigatorClient(source, offset, count);
}
use of org.hsqldb_voltpatches.result.Result in project voltdb by VoltDB.
the class StatementCompound method executeIf.
private Result executeIf(Session session) {
Result result = Result.updateZeroResult;
boolean execute = false;
for (int i = 0; i < statements.length; i++) {
if (statements[i].getType() == StatementTypes.CONDITION) {
if (execute) {
break;
}
result = statements[i].execute(session);
if (result.isError()) {
break;
}
Object value = result.getValueObject();
execute = Boolean.TRUE.equals(value);
i++;
}
result = Result.updateZeroResult;
if (!execute) {
continue;
}
result = statements[i].execute(session);
if (result.isError()) {
break;
}
if (result.getType() == ResultConstants.VALUE) {
break;
}
}
return result;
}
use of org.hsqldb_voltpatches.result.Result in project voltdb by VoltDB.
the class DatabaseInformationFull method COLUMN_UDT_USAGE.
/**
* UDT's are shown if the authorization is the user or a role given to the
* user.
*
* <p>
*
* @return Table
*/
Table COLUMN_UDT_USAGE() {
Table t = sysTables[COLUMN_UDT_USAGE];
if (t == null) {
t = createBlankTable(sysTableHsqlNames[COLUMN_UDT_USAGE]);
addColumn(t, "UDT_CATALOG", SQL_IDENTIFIER);
addColumn(t, "UDT_SCHEMA", SQL_IDENTIFIER);
addColumn(t, "UDT_NAME", SQL_IDENTIFIER);
addColumn(t, "TABLE_CATALOG", SQL_IDENTIFIER);
addColumn(t, "TABLE_SCHEMA", SQL_IDENTIFIER);
// not null
addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
// not null
addColumn(t, "COLUMN_NAME", SQL_IDENTIFIER);
HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[COLUMN_UDT_USAGE].name, false, SchemaObject.INDEX);
t.createPrimaryKey(name, new int[] { 0, 1, 2, 3, 4, 5, 6 }, false);
return t;
}
PersistentStore store = database.persistentStoreCollection.getStore(t);
Session sys = database.sessionManager.newSysSession(SqlInvariants.INFORMATION_SCHEMA_HSQLNAME, session.getUser());
Result rs = sys.executeDirectStatement("SELECT UDT_CATALOG, UDT_SCHEMA, UDT_NAME, TABLE_CATALOG, " + "TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS " + "WHERE UDT_NAME IS NOT NULL;");
t.insertSys(store, rs);
sys.close();
return t;
}
use of org.hsqldb_voltpatches.result.Result in project voltdb by VoltDB.
the class ScriptRunner method runScript.
/**
* This is used to read the *.log file and manage any necessary
* transaction rollback.
*/
public static void runScript(Database database, String logFilename, int logType) {
IntKeyHashMap sessionMap = new IntKeyHashMap();
Session current = null;
int currentId = 0;
database.setReferentialIntegrity(false);
ScriptReaderBase scr = null;
String statement;
int statementType;
try {
StopWatch sw = new StopWatch();
scr = ScriptReaderBase.newScriptReader(database, logFilename, logType);
while (scr.readLoggedStatement(current)) {
int sessionId = scr.getSessionNumber();
if (current == null || currentId != sessionId) {
currentId = sessionId;
current = (Session) sessionMap.get(currentId);
if (current == null) {
current = database.getSessionManager().newSession(database, database.getUserManager().getSysUser(), false, true, 0);
sessionMap.put(currentId, current);
}
}
if (current.isClosed()) {
sessionMap.remove(currentId);
continue;
}
Result result = null;
statementType = scr.getStatementType();
switch(statementType) {
case ScriptReaderBase.ANY_STATEMENT:
statement = scr.getLoggedStatement();
result = current.executeDirectStatement(statement);
if (result != null && result.isError()) {
if (result.getException() != null) {
throw result.getException();
}
throw Error.error(result);
}
break;
case ScriptReaderBase.SEQUENCE_STATEMENT:
scr.getCurrentSequence().reset(scr.getSequenceValue());
break;
case ScriptReaderBase.COMMIT_STATEMENT:
current.commit(false);
break;
case ScriptReaderBase.INSERT_STATEMENT:
{
current.beginAction(null);
Object[] data = scr.getData();
scr.getCurrentTable().insertNoCheckFromLog(current, data);
current.endAction(Result.updateOneResult);
break;
}
case ScriptReaderBase.DELETE_STATEMENT:
{
current.beginAction(null);
Object[] data = scr.getData();
scr.getCurrentTable().deleteNoCheckFromLog(current, data);
current.endAction(Result.updateOneResult);
break;
}
case ScriptReaderBase.SET_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 EOFException) {
// end of file - normal end
} else if (e instanceof OutOfMemoryError) {
message = "out of memory processing " + logFilename + " line: " + scr.getLineNumber();
database.logger.appLog.logContext(SimpleLog.LOG_ERROR, message);
throw Error.error(ErrorCode.OUT_OF_MEMORY);
} else {
// stop processing on bad log line
message = logFilename + " line: " + scr.getLineNumber() + " " + e.toString();
database.logger.appLog.logContext(SimpleLog.LOG_ERROR, message);
}
} finally {
if (scr != null) {
scr.close();
}
database.getSessionManager().closeAllSessions();
database.setReferentialIntegrity(true);
}
}
Aggregations