Restore stream offsets with subsequent execute

Driver statement instances needs to maintain resources offsets for
streams passed to bindValue after the first call to execute.

Fixed for PDO, SQLite3

Author: mcurland

src/Driver/PDO/Statement.php

@@ -54,7 +54,7 @@ public function bindValue($param, $value, $type = ParameterType::STRING)
 
         $pdoType = ParameterTypeMap::convertParamType($type);
         if ($pdoType === PDO::PARAM_LOB) {
-            $this->trackParamResource($value);
+            $this->trackParamResource($param, $value);
         }
 
         try {
@@ -157,16 +157,17 @@ public function execute($params = null): ResultInterface
      * Track a binary parameter reference at binding time. These
      * are cached for later analysis by the getResourceOffsets.
      *
-     * @param mixed $resource
+     * @param int|string $param
+     * @param mixed      $resource
      */
-    private function trackParamResource($resource): void
+    private function trackParamResource($param, $resource): void
     {
         if (! is_resource($resource)) {
             return;
         }
 
-        $this->paramResources ??= [];
-        $this->paramResources[] = $resource;
+        $this->paramResources       ??= [];
+        $this->paramResources[$param] = $resource;
     }
 
     /**
@@ -218,7 +219,5 @@ private function restoreResourceOffsets(?array $resourceOffsets): void
         foreach ($resourceOffsets as $index => $offset) {
             fseek($this->paramResources[$index], $offset, SEEK_SET);
         }
-
-        $this->paramResources = null;
     }
 }

src/Driver/SQLite3/Statement.php

@@ -68,7 +68,7 @@ public function bindValue($param, $value, $type = ParameterType::STRING): bool
 
         $sqliteType = $this->convertParamType($type);
         if ($sqliteType === SQLITE3_BLOB) {
-            $this->trackParamResource($value);
+            $this->trackParamResource($param, $value);
         }
 
         return $this->statement->bindValue($param, $value, $sqliteType);
@@ -156,16 +156,17 @@ private function convertParamType(int $type): int
      * Track a binary parameter reference at binding time. These
      * are cached for later analysis by the getResourceOffsets.
      *
-     * @param mixed $resource
+     * @param int|string $param
+     * @param mixed      $resource
      */
-    private function trackParamResource($resource): void
+    private function trackParamResource($param, $resource): void
     {
         if (! is_resource($resource)) {
             return;
         }
 
-        $this->paramResources ??= [];
-        $this->paramResources[] = $resource;
+        $this->paramResources       ??= [];
+        $this->paramResources[$param] = $resource;
     }
 
     /**
@@ -217,7 +218,5 @@ private function restoreResourceOffsets(?array $resourceOffsets): void
         foreach ($resourceOffsets as $index => $offset) {
             fseek($this->paramResources[$index], $offset, SEEK_SET);
         }
-
-        $this->paramResources = null;
     }
 }