Examples with RowDataPacket io.mycat.net.mysql.RowDataPacket used on opensource projects

Example 46 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ResultSetUtil method parseRowData.

public static RowDataPacket parseRowData(byte[] row, List<byte[]> fieldValues) {
    RowDataPacket rowDataPkg = new RowDataPacket(fieldValues.size());
    rowDataPkg.read(row);
    return rowDataPkg;
}

Example 47 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ResultSetUtil method getColumnVal.

public static byte[] getColumnVal(byte[] row, List<byte[]> fieldValues, int columnIndex) {
    RowDataPacket rowDataPkg = new RowDataPacket(fieldValues.size());
    rowDataPkg.read(row);
    byte[] columnData = rowDataPkg.fieldValues.get(columnIndex);
    return columnData;
}

Example 48 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class RowDataPacketGrouper method filterHaving.

private void filterHaving() {
    if (havingCols.getColMeta() == null || result == null) {
        return;
    }
    Iterator<RowDataPacket> it = result.iterator();
    byte[] right = havingCols.getRight().getBytes(StandardCharsets.UTF_8);
    int index = havingCols.getColMeta().getColIndex();
    // Added by winbill. 20160312.
    int colType = havingCols.getColMeta().getColType();
    while (it.hasNext()) {
        RowDataPacket rowDataPacket = it.next();
        switch(havingCols.getOperator()) {
            case "=":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (eq(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
            case ">":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (gt(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
            case "<":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (lt(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
            case ">=":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (gt(rowDataPacket.fieldValues.get(index), right, colType) && eq(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
            case "<=":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (lt(rowDataPacket.fieldValues.get(index), right, colType) && eq(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
            case "!=":
                /* Add parameter of colType, Modified by winbill. 20160312. */
                if (neq(rowDataPacket.fieldValues.get(index), right, colType)) {
                    it.remove();
                }
                break;
        }
    }
}

Example 49 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class MaxHeap method swap.

private void swap(int i, int j) {
    RowDataPacket tmp = data.get(i);
    RowDataPacket elementAt = data.get(j);
    data.set(i, elementAt);
    data.set(j, tmp);
}

Example 50 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class MinHeap method swap.

private void swap(int i, int j) {
    RowDataPacket tmp = data.get(i);
    RowDataPacket elementAt = data.get(j);
    data.set(i, elementAt);
    data.set(j, tmp);
}