コード例 #1
0
 private void removeSequence(Sequence sequence) {
   if (sequence != null) {
     table.removeSequence(sequence);
     sequence.setBelongsToTable(false);
     Database db = session.getDatabase();
     db.removeSchemaObject(session, sequence);
   }
 }
コード例 #2
0
ファイル: CreateTable.java プロジェクト: zhoupan/Lealone
 @Override
 public int update() {
   if (!transactional) {
     session.commit(true);
   }
   Database db = session.getDatabase();
   if (!db.isPersistent()) {
     data.persistIndexes = false;
   }
   if (getSchema().findTableOrView(session, data.tableName) != null) {
     if (ifNotExists) {
       return 0;
     }
     throw DbException.get(ErrorCode.TABLE_OR_VIEW_ALREADY_EXISTS_1, data.tableName);
   }
   if (asQuery != null) {
     asQuery.prepare();
     if (data.columns.isEmpty()) {
       generateColumnsFromQuery();
     } else if (data.columns.size() != asQuery.getColumnCount()) {
       throw DbException.get(ErrorCode.COLUMN_COUNT_DOES_NOT_MATCH);
     }
   }
   if (pkColumns != null) {
     for (Column c : data.columns) {
       for (IndexColumn idxCol : pkColumns) {
         if (c.getName().equals(idxCol.columnName)) {
           c.setNullable(false);
         }
       }
     }
   }
   data.id = getObjectId();
   data.create = create;
   data.session = session;
   boolean isSessionTemporary = data.temporary && !data.globalTemporary;
   if (!isSessionTemporary) {
     db.lockMeta(session);
   }
   Table table = createTable(data);
   ArrayList<Sequence> sequences = New.arrayList();
   for (Column c : data.columns) {
     if (c.isAutoIncrement()) {
       int objId = getObjectId();
       c.convertAutoIncrementToSequence(session, getSchema(), objId, data.temporary);
     }
     Sequence seq = c.getSequence();
     if (seq != null) {
       sequences.add(seq);
     }
   }
   table.setComment(comment);
   if (isSessionTemporary) {
     if (onCommitDrop) {
       table.setOnCommitDrop(true);
     }
     if (onCommitTruncate) {
       table.setOnCommitTruncate(true);
     }
     session.addLocalTempTable(table);
   } else {
     db.lockMeta(session);
     db.addSchemaObject(session, table);
   }
   try {
     for (Column c : data.columns) {
       c.prepareExpression(session);
     }
     for (Sequence sequence : sequences) {
       table.addSequence(sequence);
     }
     for (DefineCommand command : constraintCommands) {
       command.setTransactional(transactional);
       command.update();
     }
     if (asQuery != null) {
       Insert insert = null;
       insert = new Insert(session);
       insert.setSortedInsertMode(sortedInsertMode);
       insert.setQuery(asQuery);
       insert.setTable(table);
       insert.setInsertFromSelect(true);
       insert.prepare();
       insert.update();
     }
   } catch (DbException e) {
     db.checkPowerOff();
     db.removeSchemaObject(session, table);
     if (!transactional) {
       session.commit(true);
     }
     throw e;
   }
   return 0;
 }