From 794932c0a173161ac7781d10804d17589b64f6a6 Mon Sep 17 00:00:00 2001
From: Artur Zakirov <zaartur@gmail.com>
Date: Tue, 4 Jun 2024 00:24:30 +0900
Subject: [PATCH] Issue #84: MemSet ParquetFdwPlanState before using (#85)

---
 src/parquet_impl.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/parquet_impl.cpp b/src/parquet_impl.cpp
index 8cdda9c..2e34589 100644
--- a/src/parquet_impl.cpp
+++ b/src/parquet_impl.cpp
@@ -986,6 +986,8 @@ get_table_options(Oid relid, ParquetFdwPlanState *fdw_private)
     char         *funcname = NULL;
     char         *funcarg = NULL;
 
+    fdw_private->filenames = NIL;
+    fdw_private->attrs_sorted = NIL;
     fdw_private->use_mmap = false;
     fdw_private->use_threads = false;
     fdw_private->max_open_files = 0;
@@ -1677,6 +1679,7 @@ parquetAcquireSampleRowsFunc(Relation relation, int /* elevel */,
     ListCell       *lc;
     std::string     error;
 
+    MemSet(&fdw_private, 0, sizeof(fdw_private));
     get_table_options(RelationGetRelid(relation), &fdw_private);
 
     for (int i = 0; i < tupleDesc->natts; ++i)