PathExpState pstate = (PathExpState) state;
validateMapStrategy(pstate.field.getStrategy());
LRSMapFieldStrategy strategy = (LRSMapFieldStrategy)
pstate.field.getStrategy();
ClassMapping mapping = pstate.field.getKeyMapping().getTypeMapping();
strategy.selectKey(sel, mapping, null, ctx.store, ctx.fetch,
pstate.joins);
}
private Object loadEmbeddedMapKey(ExpContext ctx, ExpState state,
Result res) throws SQLException {