Package org.h2.result

Examples of org.h2.result.Row

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        int columnCount = data.readVarInt();
        Value[] values = new Value[columnCount];
        for (int i = 0; i < columnCount; i++) {
            values[i] = data.readValue();
        }
        Row row = new Row(values, Row.MEMORY_CALCULATE);
        row.setKey(key);
        return row;
    }
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     * @param key the key of the row to delete
     */
    void redoDelete(int logPos, int tableId, long key) {
        Index index = metaObjects.get(tableId);
        PageDataIndex scan = (PageDataIndex) index;
        Row row = scan.getRowWithKey(key);
        redo(logPos, tableId, row, false);
    }
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    private void readMetaData() {
        Cursor cursor = metaIndex.find(systemSession, null, null);
        // first, create all tables
        while (cursor.next()) {
            Row row = cursor.get();
            int type = row.getValue(1).getInt();
            if (type == META_TYPE_DATA_INDEX) {
                addMeta(row, systemSession, false);
            }
        }
        // now create all secondary indexes
        // otherwise the table might not be created yet
        cursor = metaIndex.find(systemSession, null, null);
        while (cursor.next()) {
            Row row = cursor.get();
            int type = row.getValue(1).getInt();
            if (type != META_TYPE_DATA_INDEX) {
                addMeta(row, systemSession, false);
            }
        }
    }
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        }
        options += ",";
        if (index instanceof PageDelegateIndex) {
            options += "d";
        }
        Row row = metaTable.getTemplateRow();
        row.setValue(0, ValueInt.get(index.getId()));
        row.setValue(1, ValueInt.get(type));
        row.setValue(2, ValueInt.get(table.getId()));
        row.setValue(3, ValueInt.get(index.getRootPageId()));
        row.setValue(4, ValueString.get(options));
        row.setValue(5, ValueString.get(columnList));
        row.setKey(index.getId() + 1);
        metaIndex.add(session, row);
    }
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        }
    }

    private void removeMetaIndex(Index index, Session session) {
        int key = index.getId() + 1;
        Row row = metaIndex.getRow(session, key);
        if (row.getKey() != key) {
            throw DbException.get(ErrorCode.FILE_CORRUPTED_1,
                    "key: " + key + " index: " + index +
                    " table: " + index.getTable() + " row: " + row);
        }
        metaIndex.remove(session, row);
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    public BitField getObjectIds() {
        BitField f = new BitField();
        Cursor cursor = metaIndex.find(systemSession, null, null);
        while (cursor.next()) {
            Row row = cursor.get();
            int id = row.getValue(0).getInt();
            if (id > 0) {
                f.set(id);
            }
        }
        return f;
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        try {
            setCurrentRowNumber(0);
            while (limitRows != 0 && tableFilter.next()) {
                setCurrentRowNumber(rows.size() + 1);
                if (condition == null || Boolean.TRUE.equals(condition.getBooleanValue(session))) {
                    Row row = tableFilter.get();
                    boolean done = false;
                    if (table.fireRow()) {
                        done = table.fireBeforeRow(session, row, null);
                    }
                    if (!done) {
                        rows.add(row);
                        if (limitRows >= 0 && rows.size() >= limitRows) {
                            break;
                        }
                    }
                }
            }
            int rowScanCount = 0;
            for (rows.reset(); rows.hasNext();) {
                if ((++rowScanCount & 127) == 0) {
                    checkCanceled();
                }
                Row row = rows.next();
                table.removeRow(session, row);
                session.log(table, UndoLogRecord.DELETE, row);
            }
            if (table.fireRow()) {
                int count = 0;
                for (rows.reset(); rows.hasNext();) {
                    Row row = rows.next();
                    table.fireAfterRow(session, row, null, false);
                    count++;
                }
            }
            table.fire(session, Trigger.DELETE, false);
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        int rowScanCount = 0;
        for (rows.reset(); rows.hasNext();) {
            if ((++rowScanCount & 127) == 0) {
                prepared.checkCanceled();
            }
            Row o = rows.next();
            rows.next();
            removeRow(session, o);
            session.log(this, UndoLogRecord.DELETE, o);
        }
        // add the new rows
        for (rows.reset(); rows.hasNext();) {
            if ((++rowScanCount & 127) == 0) {
                prepared.checkCanceled();
            }
            rows.next();
            Row n = rows.next();
            addRow(session, n);
            session.log(this, UndoLogRecord.INSERT, n);
        }
    }
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            }
        }
    }

    public Row getTemplateRow() {
        return new Row(new Value[columns.length], Row.MEMORY_CALCULATE);
    }
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        return new SimpleRow(new Value[columns.length]);
    }

    synchronized Row getNullRow() {
        if (nullRow == null) {
            nullRow = new Row(new Value[columns.length], 1);
            for (int i = 0; i < columns.length; i++) {
                nullRow.setValue(i, ValueNull.INSTANCE);
            }
        }
        return nullRow;
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