From 26eeeff5164b5eba8342d5e8db5cd8d3a6a6528e Mon Sep 17 00:00:00 2001
From: MinhLA1410 <36942826+MinhLA1410@users.noreply.github.com>
Date: Thu, 25 Nov 2021 09:30:48 +0700
Subject: [PATCH] [Fix] Replace children() with fields(), because children() no
 longer works in Arrow library greater than v6.0.0 (#8)

Co-authored-by: LeAnhMinh <tsdv@localhost.localdomain>
---
 .gitignore           | 2 +-
 src/common.cpp       | 2 +-
 src/parquet_impl.cpp | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index daf368e..88aa0bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,4 @@
 *.bc
 regression.diffs
 regression.out
-results
+results
\ No newline at end of file
diff --git a/src/common.cpp b/src/common.cpp
index ce36c4c..9a788a6 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -131,7 +131,7 @@ bytes_to_postgres_type(const char *bytes, arrow::DataType *arrow_type)
 arrow::Type::type
 get_arrow_list_elem_type(arrow::DataType *type)
 {
-    auto children = type->children();
+    auto children = type->fields();
 
     Assert(children.size() == 1);
     return children[0]->type()->id();
diff --git a/src/parquet_impl.cpp b/src/parquet_impl.cpp
index cb540f1..ae7187f 100644
--- a/src/parquet_impl.cpp
+++ b/src/parquet_impl.cpp
@@ -659,7 +659,7 @@ extract_parquet_fields(const char *path, const char *dirname, Aws::S3::S3Client
                     Oid     pg_subtype;
                     bool    error = false;
 
-                    if (type->children().size() != 1)
+                    if (type->fields().size() != 1)
                         throw std::runtime_error("lists of structs are not supported");
 
                     subtype_id = get_arrow_list_elem_type(type.get());