presto-main/src/main/java/io/prestosql/sql/analyzer/AggregationAnalyzer.java/AggregationAnalyzer/visitCoalesceExpression
class AggregationAnalyzer:        @Override
        protected Boolean visitCoalesceExpression(CoalesceExpression node, Void context)
        {
            return node.getOperands().stream().allMatch(expression -> process(expression, context));
        }