Package org.lealone.dbobject.table

Examples of org.lealone.dbobject.table.Table.lock()

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        }
    }

    private boolean existsRow(Session session, Index searchIndex, SearchRow check, Row excluding) {
        Table searchTable = searchIndex.getTable();
        searchTable.lock(session, false, false);
        Cursor cursor = searchIndex.find(session, check, check);
        while (cursor.next()) {
            SearchRow found;
            found = cursor.getSearchRow();
            if (excluding != null && found.getKey() == excluding.getKey()) {
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                return 0;
            }
            throw DbException.get(ErrorCode.INDEX_ALREADY_EXISTS_1, indexName);
        }
        session.getUser().checkRight(table, Right.ALL);
        table.lock(session, true, true);
        if (!table.isPersistIndexes()) {
            persistent = false;
        }
        int id = getObjectId();
        if (indexName == null) {
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        RowList rows = new RowList(session);
        try {
            Table table = tableFilter.getTable();
            session.getUser().checkRight(table, Right.UPDATE);
            table.fire(session, Trigger.UPDATE, true);
            table.lock(session, true, false);
            int columnCount = table.getColumns().length;
            // get the old rows, compute the new rows
            setCurrentRowNumber(0);
            int count = 0;
            Column[] columns = table.getColumns();
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    }

    public int update() {
        Table table = getSchema().getTableOrView(session, tableName);
        session.getUser().checkRight(table, Right.ALL);
        table.lock(session, true, true);
        switch (type) {
        case CommandInterface.ALTER_TABLE_SET_REFERENTIAL_INTEGRITY:
            table.setCheckForeignKeyConstraints(session, value, value ? checkExisting : false);
            break;
        default:
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            }
            throw DbException.get(ErrorCode.CONSTRAINT_ALREADY_EXISTS_1, constraintName);
        }
        session.getUser().checkRight(table, Right.ALL);
        db.lockMeta(session);
        table.lock(session, true, true);
        Constraint constraint;
        switch (type) {
        case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_PRIMARY_KEY: {
            IndexColumn.mapColumns(indexColumns, table);
            index = table.findPrimaryKey();
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        tableFilter.startQuery(session);
        tableFilter.reset();
        Table table = tableFilter.getTable();
        session.getUser().checkRight(table, Right.DELETE);
        table.fire(session, Trigger.DELETE, true);
        table.lock(session, true, false);
        RowList rows = new RowList(session);
        int limitRows = -1;
        if (limitExpr != null) {
            Value v = limitExpr.getValue(session);
            if (v != ValueNull.INSTANCE) {
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                        throw DbException.get(ErrorCode.CANNOT_DROP_2, viewName, child.getName());
                    }
                }
            }

            view.lock(session, true, true);
            session.getDatabase().removeSchemaObject(session, view);
        }
        return 0;
    }
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