Examples with H2Cursor org.apache.ignite.internal.processors.query.h2.H2Cursor used on opensource projects

Example 6 with H2Cursor

use of org.apache.ignite.internal.processors.query.h2.H2Cursor in project ignite by apache.

the class H2TreeIndex method find.

/**
 * {@inheritDoc}
 */
@Override
public Cursor find(Session ses, SearchRow lower, SearchRow upper) {
    assert lower == null || lower instanceof H2Row : lower;
    assert upper == null || upper instanceof H2Row : upper;
    try {
        T2<IndexRow, IndexRow> key = prepareIndexKeys(lower, upper);
        QueryContext qctx = ses != null ? H2Utils.context(ses) : null;
        GridCursor<IndexRow> cursor = queryIndex.find(key.get1(), key.get2(), true, true, segment(qctx), idxQryContext(qctx));
        GridCursor<H2Row> h2cursor = new IndexValueCursor<>(cursor, this::mapIndexRow);
        return new H2Cursor(h2cursor);
    } catch (IgniteCheckedException e) {
        throw DbException.convert(e);
    }
}