Package org.hsqldb.result

Examples of org.hsqldb.result.ResultMetaData

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                byteLength *= 2;
            }

            int blockOffset = (int) ((byteLength + lobBlockSize - 1)
                                     / lobBlockSize);
            ResultMetaData meta = deleteLobPartCall.getParametersMetaData();
            Object         params[] = new Object[meta.getColumnCount()];

            params[DELETE_BLOCKS.LOB_ID]       = ValuePool.getLong(lobID);
            params[DELETE_BLOCKS.BLOCK_OFFSET] = new Integer(blockOffset);
            params[DELETE_BLOCKS.BLOCK_LIMIT] = new Integer(Integer.MAX_VALUE);
            params[DELETE_BLOCKS.TX_ID] =
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        }
    }

    private Result setLength(long lobID, long length) {

        ResultMetaData meta     = updateLobLength.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[UPDATE_LENGTH.LOB_LENGTH] = ValuePool.getLong(length);
        params[UPDATE_LENGTH.LOB_ID]     = ValuePool.getLong(lobID);

        Result result = sysLobSession.executeCompiledStatement(updateLobLength,
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    /**
     * Executes in user session. No synchronization
     */
    public Result adjustUsageCount(Session session, long lobID, int delta) {

        ResultMetaData meta     = updateLobUsage.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[UPDATE_USAGE.BLOCK_COUNT] = ValuePool.getInt(delta);
        params[UPDATE_USAGE.LOB_ID]      = ValuePool.getLong(lobID);

        session.sessionContext.pushDynamicArguments(params);
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        return result;
    }

    private int[][] getBlockAddresses(long lobID, int offset, int limit) {

        ResultMetaData meta     = getLobPart.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[GET_LOB_PART.LOB_ID]       = ValuePool.getLong(lobID);
        params[GET_LOB_PART.BLOCK_OFFSET] = ValuePool.getInt(offset);
        params[GET_LOB_PART.BLOCK_LIMIT]  = ValuePool.getInt(limit);
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        return blocks;
    }

    private void deleteBlockAddresses(long lobID, int offset, int limit) {

        ResultMetaData meta     = deleteLobPartCall.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[DELETE_BLOCKS.LOB_ID]       = ValuePool.getLong(lobID);
        params[DELETE_BLOCKS.BLOCK_OFFSET] = ValuePool.getInt(offset);
        params[DELETE_BLOCKS.BLOCK_LIMIT]  = ValuePool.getInt(limit);
        params[DELETE_BLOCKS.TX_ID] =
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            sysLobSession.executeCompiledStatement(deleteLobPartCall, params);
    }

    private void divideBlockAddresses(long lobID, int offset) {

        ResultMetaData meta     = divideLobPartCall.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[DIVIDE_BLOCK.BLOCK_OFFSET] = ValuePool.getInt(offset);
        params[DIVIDE_BLOCK.LOB_ID]       = ValuePool.getLong(lobID);

        Result result =
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            sysLobSession.executeCompiledStatement(divideLobPartCall, params);
    }

    private void createBlockAddresses(long lobID, int offset, int count) {

        ResultMetaData meta     = createLobPartCall.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[ALLOC_BLOCKS.BLOCK_COUNT]  = ValuePool.getInt(count);
        params[ALLOC_BLOCKS.BLOCK_OFFSET] = ValuePool.getInt(offset);
        params[ALLOC_BLOCKS.LOB_ID]       = ValuePool.getLong(lobID);
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                                    unionColumnTypes);
        rightQueryExpression.resolveTypesPartTwo(session);
        rightQueryExpression.resolveTypesPartThree(session);

        //
        ResultMetaData leftMeta  = leftQueryExpression.getMetaData();
        ResultMetaData rightMeta = rightQueryExpression.getMetaData();

        for (int i = 0; i < leftQueryExpression.unionColumnMap.length; i++) {
            int        leftIndex  = leftQueryExpression.unionColumnMap[i];
            int        rightIndex = rightQueryExpression.unionColumnMap[i];
            ColumnBase column     = leftMeta.columns[leftIndex];
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                // and instead simply reflect things as the are, describing
                // a single column result set that communicates
                // the return value.  If the expression generating the
                // return value has a void return type, a result set
                // is described whose single column is of type NULL
                ResultMetaData md = ResultMetaData.newResultMetaData(1);
                ColumnBase column =
                    new ColumnBase(null, null, null,
                                   StatementDMQL.RETURN_COLUMN_NAME);

                column.setType(expression.getDataType());

                md.columns[0] = column;

                md.prepareData();

                resultMetaData = md;

                return md;
            }
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        return ((Long) data[0]).longValue();
    }

    private Object[] getLobHeader(Session session, long lobID) {

        ResultMetaData meta     = getLob.getParametersMetaData();
        Object         params[] = new Object[meta.getColumnCount()];

        params[0] = Long.valueOf(lobID);

        session.sessionContext.pushDynamicArguments(params);
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Related Classes of org.hsqldb.result.ResultMetaData

  • org.hsqldb.ColumnBase
  • org.hsqldb.jdbc.JDBCArray
  • org.hsqldb.jdbc.JDBCArrayBasic
  • org.hsqldb.jdbc.JDBCResultSet
  • org.hsqldb.persist.LobManager
  • org.hsqldb.QueryExpression
  • org.hsqldb.server.ServerConnection
  • org.hsqldb.server.StatementPortal
  • org.hsqldb.StatementManager
  • org.hsqldb.StatementProcedure
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