Examples of com.foundationdb.ais.model.IndexToHKey

        // Metadata for the row's table
        Table table = rowDef.table();


        // Only set if parent row is looked up
        int i2hPosition = 0;
        IndexToHKey indexToHKey = null;
        SDType parentStoreData = null;
        IndexRow parentPKIndexRow = null;


        // All columns of all segments of the HKey
        for(HKeySegment hKeySegment : table.hKey().segments()) {
            // Ordinal for this segment
            RowDef segmentRowDef = hKeySegment.table().rowDef();
            hKeyAppender.append(segmentRowDef.table().getOrdinal());
            // Segment's columns
            for(HKeyColumn hKeyColumn : hKeySegment.columns()) {
                Table hKeyColumnTable = hKeyColumn.column().getTable();
                if(hKeyColumnTable != table) {
                    // HKey column from row of parent table
                    if (parentStoreData == null) {
                        // Initialize parent metadata and state
                        RowDef parentRowDef = rowDef.table().getParentTable().rowDef();
                        TableIndex parentPkIndex = parentRowDef.getPKIndex();
                        indexToHKey = parentPkIndex.indexToHKey();
                        parentStoreData = createStoreData(session, parentPkIndex);
                        parentPKIndexRow = readIndexRow(session, parentPkIndex, parentStoreData, rowDef, rowData);
                        i2hPosition = hKeyColumn.positionInHKey();
                    }
                    if(indexToHKey.isOrdinal(i2hPosition)) {
                        assert indexToHKey.getOrdinal(i2hPosition) == segmentRowDef.table().getOrdinal() : hKeyColumn;
                        ++i2hPosition;
                    }
                    if(parentPKIndexRow != null) {
                        parentPKIndexRow.appendFieldTo(indexToHKey.getIndexRowPosition(i2hPosition), hKeyAppender.key());
                    } else {
                        // Orphan row
                        hKeyAppender.appendNull();
                    }
                    ++i2hPosition;

    @Override
    public HKey ancestorHKey(Table table)
    {
        HKey ancestorHKey; 
        
        IndexToHKey indexToHKey;
        if (index.isGroupIndex()) {
            ancestorHKey = keyCreator.newHKey(table.hKey());
            indexToHKey = ((GroupIndex)index).indexToHKey(table.getDepth());
        } else {
            ancestorHKey = keyCreator.newHKey(index.leafMostTable().hKey());
            indexToHKey = ((TableIndex)index).indexToHKey();
        }
        
        
        Key hKey = keyCreator.createKey();
        hKey.clear();
        for (int i = 0; i < indexToHKey.getLength(); i++) {
            if (indexToHKey.isOrdinal(i)) {
                hKey.append(indexToHKey.getOrdinal(i));
            } else {
                int indexField = indexToHKey.getIndexRowPosition(i);
                if (index.isSpatial()) {
                    // A spatial index has a single key column (the z-value), representing the declared spatial key columns.
                    if (indexField > index.firstSpatialArgument())
                        indexField -= index.dimensions() - 1;
                }

Examples of com.foundationdb.ais.model.IndexToHKey

Related Classes of com.foundationdb.ais.model.IndexToHKey