Examples with LESS_THAN_OR_EQUAL io.trino.sql.tree.ComparisonExpression.Operator.LESS_THAN_OR_EQUAL used on opensource projects

Example 1 with LESS_THAN_OR_EQUAL

use of io.trino.sql.tree.ComparisonExpression.Operator.LESS_THAN_OR_EQUAL in project trino by trinodb.

the class ExtractSpatialJoins method tryCreateSpatialJoin.

private static Result tryCreateSpatialJoin(Context context, JoinNode joinNode, Expression filter, PlanNodeId nodeId, List<Symbol> outputSymbols, ComparisonExpression spatialComparison, PlannerContext plannerContext, SplitManager splitManager, PageSourceManager pageSourceManager, TypeAnalyzer typeAnalyzer) {
    PlanNode leftNode = joinNode.getLeft();
    PlanNode rightNode = joinNode.getRight();
    List<Symbol> leftSymbols = leftNode.getOutputSymbols();
    List<Symbol> rightSymbols = rightNode.getOutputSymbols();
    Expression radius;
    Optional<Symbol> newRadiusSymbol;
    ComparisonExpression newComparison;
    if (spatialComparison.getOperator() == LESS_THAN || spatialComparison.getOperator() == LESS_THAN_OR_EQUAL) {
        // ST_Distance(a, b) <= r
        radius = spatialComparison.getRight();
        Set<Symbol> radiusSymbols = extractUnique(radius);
        if (radiusSymbols.isEmpty() || (rightSymbols.containsAll(radiusSymbols) && containsNone(leftSymbols, radiusSymbols))) {
            newRadiusSymbol = newRadiusSymbol(context, radius);
            newComparison = new ComparisonExpression(spatialComparison.getOperator(), spatialComparison.getLeft(), toExpression(newRadiusSymbol, radius));
        } else {
            return Result.empty();
        }
    } else {
        // r >= ST_Distance(a, b)
        radius = spatialComparison.getLeft();
        Set<Symbol> radiusSymbols = extractUnique(radius);
        if (radiusSymbols.isEmpty() || (rightSymbols.containsAll(radiusSymbols) && containsNone(leftSymbols, radiusSymbols))) {
            newRadiusSymbol = newRadiusSymbol(context, radius);
            newComparison = new ComparisonExpression(spatialComparison.getOperator().flip(), spatialComparison.getRight(), toExpression(newRadiusSymbol, radius));
        } else {
            return Result.empty();
        }
    }
    Expression newFilter = replaceExpression(filter, ImmutableMap.of(spatialComparison, newComparison));
    PlanNode newRightNode = newRadiusSymbol.map(symbol -> addProjection(context, rightNode, symbol, radius)).orElse(rightNode);
    JoinNode newJoinNode = new JoinNode(joinNode.getId(), joinNode.getType(), leftNode, newRightNode, joinNode.getCriteria(), joinNode.getLeftOutputSymbols(), joinNode.getRightOutputSymbols(), joinNode.isMaySkipOutputDuplicates(), Optional.of(newFilter), joinNode.getLeftHashSymbol(), joinNode.getRightHashSymbol(), joinNode.getDistributionType(), joinNode.isSpillable(), joinNode.getDynamicFilters(), joinNode.getReorderJoinStatsAndCost());
    return tryCreateSpatialJoin(context, newJoinNode, newFilter, nodeId, outputSymbols, (FunctionCall) newComparison.getLeft(), Optional.of(newComparison.getRight()), plannerContext, splitManager, pageSourceManager, typeAnalyzer);
}