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

Example 31 with TableFilter

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

the class CollocationModel method childFilters.

/**
 * @param childFilters New child filters.
 * @return {@code true} If child filters were updated.
 */
private boolean childFilters(TableFilter[] childFilters) {
    assert childFilters != null;
    assert view;
    Select select = childFilters[0].getSelect();
    assert this.select == null || this.select == select;
    if (this.select == null) {
        this.select = select;
        assert this.childFilters == null;
    } else if (Arrays.equals(this.childFilters, childFilters))
        return false;
    if (this.childFilters == null || this.childFilters.length != childFilters.length) {
        // We have to clone because H2 reuses array and reorders elements.
        this.childFilters = childFilters.clone();
        children = new CollocationModel[childFilters.length];
    } else {
        // We have to copy because H2 reuses array and reorders elements.
        System.arraycopy(childFilters, 0, this.childFilters, 0, childFilters.length);
        Arrays.fill(children, null);
    }
    // Reset results.
    type = null;
    multiplier = null;
    return true;
}

Example 32 with TableFilter

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

the class GridH2IndexBase method createLookupBatch.

/**
 * {@inheritDoc}
 */
@Override
public IndexLookupBatch createLookupBatch(TableFilter[] filters, int filter) {
    GridH2QueryContext qctx = GridH2QueryContext.get();
    if (qctx == null || qctx.distributedJoinMode() == OFF || !getTable().isPartitioned())
        return null;
    IndexColumn affCol = getTable().getAffinityKeyColumn();
    GridH2RowDescriptor desc = getTable().rowDescriptor();
    int affColId = -1;
    boolean ucast = false;
    if (affCol != null) {
        affColId = affCol.column.getColumnId();
        int[] masks = filters[filter].getMasks();
        if (masks != null) {
            ucast = (masks[affColId] & IndexCondition.EQUALITY) != 0 || desc.checkKeyIndexCondition(masks, IndexCondition.EQUALITY);
        }
    }
    GridCacheContext<?, ?> cctx = getTable().rowDescriptor().context();
    return new DistributedLookupBatch(cctx, ucast, affColId);
}

Example 33 with TableFilter

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

the class GridH2CollocationModel method isAffinityColumn.

/**
 * @param f Table filter.
 * @param expCol Expression column.
 * @param validate Query validation flag.
 * @return {@code true} It it is an affinity column.
 */
private static boolean isAffinityColumn(TableFilter f, ExpressionColumn expCol, boolean validate) {
    Column col = expCol.getColumn();
    if (col == null)
        return false;
    Table t = col.getTable();
    if (t.isView()) {
        Query qry;
        if (f.getIndex() != null)
            qry = getSubQuery(f);
        else
            qry = GridSqlQueryParser.VIEW_QUERY.get((TableView) t);
        return isAffinityColumn(qry, expCol, validate);
    }
    if (t instanceof GridH2Table) {
        if (validate && ((GridH2Table) t).rowDescriptor().context().customAffinityMapper())
            throw customAffinityError(((GridH2Table) t).cacheName());
        IndexColumn affCol = ((GridH2Table) t).getAffinityKeyColumn();
        return affCol != null && col.getColumnId() == affCol.column.getColumnId();
    }
    return false;
}

Example 34 with TableFilter

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

the class GridH2CollocationModel method toString.

/**
 * @param b String builder.
 * @param lvl Depth level.
 */
private boolean toString(SB b, int lvl) {
    boolean res = false;
    if (lvl == 0) {
        TableFilter f = filter();
        String tblAlias = f == null ? "^" : f.getTableAlias();
        b.a("[tbl=").a(tblAlias).a(", type=").a(type).a(", mul=").a(multiplier).a("]");
        res = true;
    } else if (childFilters != null) {
        assert lvl > 0;
        lvl--;
        for (int i = 0; i < childFilters.length; i++) {
            if (lvl == 0)
                b.a(" | ");
            res |= child(i, true).toString(b, lvl);
        }
        if (lvl == 0)
            b.a(" | ");
    }
    return res;
}

Example 35 with TableFilter

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

the class GridH2CollocationModel method buildCollocationModel.

/**
 * @param upper Upper.
 * @param filter Filter.
 * @param qry Query.
 * @param unions Unions.
 * @param validate Query validation flag.
 * @return Built model.
 */
private static GridH2CollocationModel buildCollocationModel(GridH2CollocationModel upper, int filter, Query qry, List<GridH2CollocationModel> unions, boolean validate) {
    if (qry.isUnion()) {
        if (unions == null)
            unions = new ArrayList<>();
        SelectUnion union = (SelectUnion) qry;
        GridH2CollocationModel left = buildCollocationModel(upper, filter, union.getLeft(), unions, validate);
        GridH2CollocationModel right = buildCollocationModel(upper, filter, union.getRight(), unions, validate);
        assert left != null;
        assert right != null;
        return upper != null ? upper : left;
    }
    Select select = (Select) qry;
    List<TableFilter> list = new ArrayList<>();
    for (TableFilter f = select.getTopTableFilter(); f != null; f = f.getJoin()) list.add(f);
    TableFilter[] filters = list.toArray(new TableFilter[list.size()]);
    GridH2CollocationModel cm = createChildModel(upper, filter, unions, true, validate);
    cm.childFilters(filters);
    for (int i = 0; i < filters.length; i++) {
        TableFilter f = filters[i];
        if (f.getTable().isView())
            buildCollocationModel(cm, i, getSubQuery(f), null, validate);
        else if (f.getTable() instanceof GridH2Table)
            createChildModel(cm, i, null, false, validate);
    }
    return upper != null ? upper : cm;
}