fix: ending conection

Author: cesco69

packages/pg/lib/connection.js

@@ -178,6 +178,11 @@ class Connection extends EventEmitter {
     this._send(syncBuffer)
   }
 
+  pipelineSync() {
+    // Send sync without marking connection as ending (for pipeline mode)
+    this._send(syncBuffer)
+  }
+
   ref() {
     this.stream.ref()
   }

packages/pg/lib/query.js

@@ -281,7 +281,7 @@ class Query extends EventEmitter {
     })
 
     if (!this.rows) {
-      connection.sync()
+      connection.pipelineSync()
     } else {
       connection.flush()
     }