From c0f90795b6d90a9ef2785c1630caee8acb012d6d Mon Sep 17 00:00:00 2001
From: comphead <comphead@ukr.net>
Date: Sat, 4 Oct 2025 09:49:44 -0700
Subject: [PATCH 1/2] chore: rename Schema `print_tree_method` to `tree_string`

---
 datafusion-testing                |  2 +-
 datafusion/common/src/dfschema.rs | 24 ++++++++++++------------
 testing                           |  2 +-
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/datafusion-testing b/datafusion-testing
index 905df5f65cc9..e9f9e22ccf09 160000
--- a/datafusion-testing
+++ b/datafusion-testing
@@ -1 +1 @@
-Subproject commit 905df5f65cc9d0851719c21f5a4dd5cd77621f19
+Subproject commit e9f9e22ccf09145a7368f80fd6a871f11e2b4481
diff --git a/datafusion/common/src/dfschema.rs b/datafusion/common/src/dfschema.rs
index b195b1d4a184..05fd10112dfc 100644
--- a/datafusion/common/src/dfschema.rs
+++ b/datafusion/common/src/dfschema.rs
@@ -876,7 +876,7 @@ impl DFSchema {
             .zip(self.inner.fields().iter())
             .map(|(qualifier, field)| (qualifier.as_ref(), field))
     }
-    /// Print schema in tree format
+    /// Returns a tree-like string representation of the schema.
     ///
     /// This method formats the schema
     /// with a tree-like structure showing field names, types, and nullability.
@@ -896,12 +896,12 @@ impl DFSchema {
     ///     HashMap::new()
     /// ).unwrap();
     ///
-    /// assert_eq!(schema.print_schema_tree().to_string(),
+    /// assert_eq!(schema.tree_string().to_string(),
     /// r#"root
     ///  |-- id: int32 (nullable = false)
     ///  |-- name: utf8 (nullable = true)"#);
     /// ```
-    pub fn print_schema_tree(&self) -> impl Display + '_ {
+    pub fn tree_string(&self) -> impl Display + '_ {
         let mut result = String::from("root\n");
 
         for (qualifier, field) in self.iter() {
@@ -1982,7 +1982,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2004,7 +2004,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2042,7 +2042,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
         insta::assert_snapshot!(output, @r"
         root
          |-- id: int32 (nullable = false)
@@ -2058,7 +2058,7 @@ mod tests {
     #[test]
     fn test_print_schema_empty() {
         let schema = DFSchema::empty();
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
         insta::assert_snapshot!(output, @r###"root"###);
     }
 
@@ -2131,7 +2131,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2174,7 +2174,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2213,7 +2213,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2355,7 +2355,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
@@ -2430,7 +2430,7 @@ mod tests {
         )
         .unwrap();
 
-        let output = schema.print_schema_tree();
+        let output = schema.tree_string();
 
         insta::assert_snapshot!(output, @r"
         root
diff --git a/testing b/testing
index 0d60ccae40d0..d2a137123034 160000
--- a/testing
+++ b/testing
@@ -1 +1 @@
-Subproject commit 0d60ccae40d0e8f2d22c15fafb01c5d4be8c63a6
+Subproject commit d2a13712303498963395318a4eb42872e66aead7

From 136599d05e85bef63b04862fb77e1d2d9805bac7 Mon Sep 17 00:00:00 2001
From: comphead <comphead@ukr.net>
Date: Sat, 4 Oct 2025 09:55:02 -0700
Subject: [PATCH 2/2] Rollback mistaken submodule updates for
 datafusion-testing and testing

---
 datafusion-testing | 2 +-
 testing            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/datafusion-testing b/datafusion-testing
index e9f9e22ccf09..905df5f65cc9 160000
--- a/datafusion-testing
+++ b/datafusion-testing
@@ -1 +1 @@
-Subproject commit e9f9e22ccf09145a7368f80fd6a871f11e2b4481
+Subproject commit 905df5f65cc9d0851719c21f5a4dd5cd77621f19
diff --git a/testing b/testing
index d2a137123034..0d60ccae40d0 160000
--- a/testing
+++ b/testing
@@ -1 +1 @@
-Subproject commit d2a13712303498963395318a4eb42872e66aead7
+Subproject commit 0d60ccae40d0e8f2d22c15fafb01c5d4be8c63a6