public MVPrimaryIndex(
Database db, MVTable table, int id, IndexColumn[] columns, IndexType indexType) {
this.mvTable = table;
initBaseIndex(table, id, table.getName() + "_DATA", columns, indexType);
int[] sortTypes = new int[columns.length];
for (int i = 0; i < columns.length; i++) {
sortTypes[i] = SortOrder.ASCENDING;
}
ValueDataType keyType = new ValueDataType(null, null, null);
ValueDataType valueType = new ValueDataType(db.getCompareMode(), db, sortTypes);
mapName = "table." + getId();
dataMap = mvTable.getTransaction(null).openMap(mapName, keyType, valueType);
Value k = dataMap.lastKey();
lastKey = k == null ? 0 : k.getLong();
}
/**
* Get the map to store the data.
*
* @param session the session
* @return the map
*/
TransactionMap<Value, Value> getMap(Session session) {
if (session == null) {
return dataMap;
}
Transaction t = mvTable.getTransaction(session);
return dataMap.getInstance(t, Long.MAX_VALUE);
}
@Override
public void truncate(Session session) {
TransactionMap<Value, Value> map = getMap(session);
if (mvTable.getContainsLargeObject()) {
database.getLobStorage().removeAllForTable(table.getId());
}
map.clear();
}
@Override
public void remove(Session session) {
TransactionMap<Value, Value> map = getMap(session);
if (!map.isClosed()) {
Transaction t = mvTable.getTransaction(session);
t.removeMap(map);
}
}
public MVDelegateIndex(
MVTable table, int id, String name, MVPrimaryIndex mainIndex, IndexType indexType) {
IndexColumn[] cols =
IndexColumn.wrap(new Column[] {table.getColumn(mainIndex.getMainIndexColumn())});
this.initBaseIndex(table, id, name, cols, indexType);
this.mainIndex = mainIndex;
if (id < 0) {
throw DbException.throwInternalError("" + name);
}
}
@Override
public void add(Session session, Row row) {
if (mainIndexColumn == -1) {
if (row.getKey() == 0) {
row.setKey(++lastKey);
}
} else {
long c = row.getValue(mainIndexColumn).getLong();
row.setKey(c);
}
if (mvTable.getContainsLargeObject()) {
for (int i = 0, len = row.getColumnCount(); i < len; i++) {
Value v = row.getValue(i);
Value v2 = v.copy(database, getId());
if (v2.isLinkedToTable()) {
session.removeAtCommitStop(v2);
}
if (v != v2) {
row.setValue(i, v2);
}
}
}
TransactionMap<Value, Value> map = getMap(session);
Value key = ValueLong.get(row.getKey());
Value old = map.getLatest(key);
if (old != null) {
String sql = "PRIMARY KEY ON " + table.getSQL();
if (mainIndexColumn >= 0 && mainIndexColumn < indexColumns.length) {
sql += "(" + indexColumns[mainIndexColumn].getSQL() + ")";
}
DbException e = DbException.get(ErrorCode.DUPLICATE_KEY_1, sql);
e.setSource(this);
throw e;
}
try {
map.put(key, ValueArray.get(row.getValueList()));
} catch (IllegalStateException e) {
throw mvTable.convertException(e);
}
lastKey = Math.max(lastKey, row.getKey());
}
@Override
public void remove(Session session, Row row) {
if (mvTable.getContainsLargeObject()) {
for (int i = 0, len = row.getColumnCount(); i < len; i++) {
Value v = row.getValue(i);
if (v.isLinkedToTable()) {
session.removeAtCommit(v);
}
}
}
TransactionMap<Value, Value> map = getMap(session);
try {
Value old = map.remove(ValueLong.get(row.getKey()));
if (old == null) {
throw DbException.get(
ErrorCode.ROW_NOT_FOUND_WHEN_DELETING_1, getSQL() + ": " + row.getKey());
}
} catch (IllegalStateException e) {
throw mvTable.convertException(e);
}
}
