Package com.foundationdb.qp.rowtype

Examples of com.foundationdb.qp.rowtype.IndexRowType.nFields()

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        TInstance lonInstance = index.getAllColumns().get(lonColumn).getColumn().getType();
        BigDecimal lat = TBigDecimal.getWrapper(loExpressions.value(latColumn), latInstance).asBigDecimal();
        BigDecimal lon = TBigDecimal.getWrapper(loExpressions.value(lonColumn), lonInstance).asBigDecimal();
        zStart = Spatial.shuffle(space, lat.doubleValue(), lon.doubleValue());
        // Cursors going forward from starting z value (inclusive), and backward from the same z value (exclusive)
        int indexRowFields = physicalIndexRowType.nFields();
        SpatialIndexValueRecord zForwardRow = new SpatialIndexValueRecord(indexRowFields);
        SpatialIndexValueRecord zBackwardRow = new SpatialIndexValueRecord(indexRowFields);
        SpatialIndexValueRecord zMaxRow = new SpatialIndexValueRecord(indexRowFields);
        SpatialIndexValueRecord zMinRow = new SpatialIndexValueRecord(indexRowFields);
        IndexBound zForward = new IndexBound(zForwardRow, indexColumnSelector);
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        IndexKeyRange ltKeyRange = IndexKeyRange.bounded(physicalIndexRowType, zMin, false, zBackward, false);
        IterationHelper geRowState = adapter.createIterationHelper(keyRange.indexRowType());
        IterationHelper ltRowState = adapter.createIterationHelper(keyRange.indexRowType());
        API.Ordering upOrdering = new API.Ordering();
        API.Ordering downOrdering = new API.Ordering();
        for (int f = 0; f < physicalIndexRowType.nFields(); f++) {
            // TODO: This seems like an API hack
            upOrdering.append((TPreparedExpression)null, true);
            downOrdering.append((TPreparedExpression)null, false);
        }
        geCursor = new IndexCursorUnidirectional<>(context,
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        this.space = spatialIndex.space();
        this.latColumn = spatialIndex.firstSpatialArgument();
        this.lonColumn = latColumn + 1;
        API.Ordering zOrdering = new API.Ordering();
        IndexRowType rowType = keyRange.indexRowType().physicalRowType();
        for (int f = 0; f < rowType.nFields(); f++) {
            zOrdering.append(new TPreparedField(rowType.typeAt(f), f), true);
        }
        // The index column selector needs to select all the columns before the z column, and the z column itself.
        this.indexColumnSelector = new IndexRowPrefixSelector(this.latColumn + 1);
        for (IndexKeyRange zKeyRange : zKeyRanges(context, keyRange)) {
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        space.decompose(box, zValues);
        for (int i = 0; i < zValues.length; i++) {
            long z = zValues[i];
            if (z != -1L) {
                IndexRowType physicalRowType = keyRange.indexRowType().physicalRowType();
                int indexRowFields = physicalRowType.nFields();
                SpatialIndexValueRecord zLoRow = new SpatialIndexValueRecord(indexRowFields);
                SpatialIndexValueRecord zHiRow = new SpatialIndexValueRecord(indexRowFields);
                IndexBound zLo = new IndexBound(zLoRow, indexColumnSelector);
                IndexBound zHi = new IndexBound(zHiRow, indexColumnSelector);
                // Take care of any equality restrictions before the spatial fields
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