Examples with Ordering com.facebook.presto.sql.planner.assertions.PlanMatchPattern.Ordering used on opensource projects

Example 1 with Ordering

use of com.facebook.presto.sql.planner.assertions.PlanMatchPattern.Ordering in project presto by prestodb.

the class Util method orderingSchemeMatches.

static boolean orderingSchemeMatches(List<Ordering> expectedOrderBy, OrderingScheme orderingScheme, SymbolAliases symbolAliases) {
    if (expectedOrderBy.size() != orderingScheme.getOrderByVariables().size()) {
        return false;
    }
    for (int i = 0; i < expectedOrderBy.size(); ++i) {
        Ordering ordering = expectedOrderBy.get(i);
        Symbol symbol = Symbol.from(symbolAliases.get(ordering.getField()));
        if (!symbol.equals(new Symbol(orderingScheme.getOrderByVariables().get(i).getName()))) {
            return false;
        }
        SortOrder sortOrder = getOnlyElement(Maps.filterKeys(orderingScheme.getOrderingsMap(), variable -> variable.getName().equals(symbol.getName())).values().iterator());
        if (!ordering.getSortOrder().equals(sortOrder)) {
            return false;
        }
    }
    return true;
}