Examples with IndexColumn org.h2.table.IndexColumn used on opensource projects

Example 1 with IndexColumn

use of org.h2.table.IndexColumn in project ignite by apache.

the class GridH2TreeIndex method toString.

/** {@inheritDoc} */
@Override
public String toString() {
    SB sb = new SB((indexType.isUnique() ? "Unique index '" : "Index '") + getName() + "' [");
    boolean first = true;
    for (IndexColumn col : getIndexColumns()) {
        if (first)
            first = false;
        else
            sb.a(", ");
        sb.a(col.getSQL());
    }
    sb.a(" ]");
    return sb.toString();
}

Example 2 with IndexColumn

use of org.h2.table.IndexColumn in project ignite by apache.

the class GridSqlQuerySplitter method extractPartitionFromEquality.

/**
 * Analyses the equality operation and extracts the partition if possible
 *
 * @param op AST equality operation.
 * @param ctx Kernal Context.
 * @return partition info, or {@code null} if none identified
 */
private static CacheQueryPartitionInfo extractPartitionFromEquality(GridSqlOperation op, GridKernalContext ctx) throws IgniteCheckedException {
    assert op.operationType() == GridSqlOperationType.EQUAL;
    GridSqlElement left = op.child(0);
    GridSqlElement right = op.child(1);
    if (!(left instanceof GridSqlColumn))
        return null;
    if (!(right instanceof GridSqlConst) && !(right instanceof GridSqlParameter))
        return null;
    GridSqlColumn column = (GridSqlColumn) left;
    assert column.column().getTable() instanceof GridH2Table;
    GridH2Table tbl = (GridH2Table) column.column().getTable();
    GridH2RowDescriptor desc = tbl.rowDescriptor();
    IndexColumn affKeyCol = tbl.getAffinityKeyColumn();
    int colId = column.column().getColumnId();
    if ((affKeyCol == null || colId != affKeyCol.column.getColumnId()) && !desc.isKeyColumn(colId))
        return null;
    if (right instanceof GridSqlConst) {
        GridSqlConst constant = (GridSqlConst) right;
        return new CacheQueryPartitionInfo(ctx.affinity().partition(tbl.cacheName(), constant.value().getObject()), null, null, -1, -1);
    }
    GridSqlParameter param = (GridSqlParameter) right;
    return new CacheQueryPartitionInfo(-1, tbl.cacheName(), tbl.getName(), column.column().getType(), param.index());
}

Example 3 with IndexColumn

use of org.h2.table.IndexColumn in project ignite by apache.

the class H2Tree method compare.

/**
 * {@inheritDoc}
 */
@SuppressWarnings("ForLoopReplaceableByForEach")
@Override
protected int compare(BPlusIO<SearchRow> io, long pageAddr, int idx, SearchRow row) throws IgniteCheckedException {
    if (inlineSize() == 0)
        return compareRows(getRow(io, pageAddr, idx), row);
    else {
        int off = io.offset(idx);
        int fieldOff = 0;
        int lastIdxUsed = 0;
        for (int i = 0; i < inlineIdxs.size(); i++) {
            InlineIndexHelper inlineIdx = inlineIdxs.get(i);
            Value v2 = row.getValue(inlineIdx.columnIndex());
            if (v2 == null)
                return 0;
            int c = inlineIdx.compare(pageAddr, off + fieldOff, inlineSize() - fieldOff, v2, comp);
            if (c == -2)
                break;
            lastIdxUsed++;
            if (c != 0)
                return c;
            fieldOff += inlineIdx.fullSize(pageAddr, off + fieldOff);
            if (fieldOff > inlineSize())
                break;
        }
        if (lastIdxUsed == cols.length)
            return 0;
        SearchRow rowData = getRow(io, pageAddr, idx);
        for (int i = lastIdxUsed, len = cols.length; i < len; i++) {
            IndexColumn col = cols[i];
            int idx0 = col.column.getColumnId();
            Value v2 = row.getValue(idx0);
            if (v2 == null) {
                // Can't compare further.
                return 0;
            }
            Value v1 = rowData.getValue(idx0);
            int c = compareValues(v1, v2);
            if (c != 0)
                return InlineIndexHelper.fixSort(c, col.sortType);
        }
        return 0;
    }
}

Example 4 with IndexColumn

use of org.h2.table.IndexColumn in project ignite by apache.

the class GridH2IndexBase method toSearchRowMessage.

/**
 * @param row Search row.
 * @return Row message.
 */
private GridH2RowMessage toSearchRowMessage(SearchRow row) {
    if (row == null)
        return null;
    List<GridH2ValueMessage> vals = new ArrayList<>(indexColumns.length);
    for (IndexColumn idxCol : indexColumns) {
        Value val = row.getValue(idxCol.column.getColumnId());
        if (val == null)
            break;
        try {
            vals.add(GridH2ValueMessageFactory.toMessage(val));
        } catch (IgniteCheckedException e) {
            throw new CacheException(e);
        }
    }
    GridH2RowMessage res = new GridH2RowMessage();
    res.values(vals);
    return res;
}

Example 5 with IndexColumn

use of org.h2.table.IndexColumn in project ignite by apache.

the class H2TreeIndex method getAvailableInlineColumns.

/**
 * @param cols Columns array.
 * @return List of {@link InlineIndexHelper} objects.
 */
private List<InlineIndexHelper> getAvailableInlineColumns(IndexColumn[] cols) {
    List<InlineIndexHelper> res = new ArrayList<>();
    for (IndexColumn col : cols) {
        if (!InlineIndexHelper.AVAILABLE_TYPES.contains(col.column.getType()))
            break;
        InlineIndexHelper idx = new InlineIndexHelper(col.column.getType(), col.column.getColumnId(), col.sortType, table.getCompareMode());
        res.add(idx);
    }
    return res;
}