debug-mode: report error when query is not simulatable

src/QueryReflection/MysqliQueryReflector.php

@@ -21,6 +21,7 @@
 use PHPStan\Type\TypeCombinator;
 use PHPStan\Type\UnionType;
 use staabm\PHPStanDba\Error;
+use staabm\PHPStanDba\QuerySimulationException;
 use staabm\PHPStanDba\Types\MysqlIntegerRanges;
 
 final class MysqliQueryReflector implements QueryReflector
@@ -119,6 +120,10 @@ public function getResultType(string $queryString, int $fetchType): ?Type
     {
         $result = $this->simulateQuery($queryString);
         if (!\is_array($result)) {
+            if (QueryReflection::getRuntimeConfiguration()->isDebugEnabled() && $result instanceof mysqli_sql_exception) {
+                throw new QuerySimulationException(sprintf("Cannot simulate query\n %s \nbecause of a sql error: %s", $queryString, $result->getMessage()));
+            }
+
             return null;
         }
 

src/QuerySimulationException.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace staabm\PHPStanDba;
+
+final class QuerySimulationException extends DbaException
+{
+}