From edffe28901bf65654049afc12965ecf58b0e638d Mon Sep 17 00:00:00 2001
From: gaojun2048 <gaojun2048@gmail.com>
Date: Wed, 2 Mar 2022 13:31:44 +0800
Subject: [PATCH] Add print (#4)
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* 添加更多的日志打印
---
 datafusion/src/plugin/plugin_manager.rs | 4 +++-
 datafusion/src/plugin/udf.rs            | 3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/datafusion/src/plugin/plugin_manager.rs b/datafusion/src/plugin/plugin_manager.rs
index 764e94157a00..f40fd3f33769 100644
--- a/datafusion/src/plugin/plugin_manager.rs
+++ b/datafusion/src/plugin/plugin_manager.rs
@@ -67,6 +67,7 @@ impl GlobalPluginManager {
         let plugin_files = self.get_all_plugin_files(plugin_path)?;
 
         for plugin_file in plugin_files {
+            println!("load library :{}", plugin_file.path().to_str().unwrap());
             let library = Library::new(plugin_file.path()).map_err(|e| {
                 DataFusionError::IoError(io::Error::new(
                     io::ErrorKind::Other,
@@ -90,9 +91,10 @@ impl GlobalPluginManager {
             // ersion checks to prevent accidental ABI incompatibilities
 
             if dec.rustc_version != RUSTC_VERSION || dec.core_version != CORE_VERSION {
+                println!("Version mismatch rustc_version:{}, core_version:{}", RUSTC_VERSION, CORE_VERSION);
                 return Err(DataFusionError::IoError(io::Error::new(
                     io::ErrorKind::Other,
-                    "Version mismatch",
+                    format!("Version mismatch rustc_version:{}, core_version:{}", RUSTC_VERSION, CORE_VERSION),
                 )));
             }
 
diff --git a/datafusion/src/plugin/udf.rs b/datafusion/src/plugin/udf.rs
index 0c61fc2b35b9..2b87daa34ac5 100644
--- a/datafusion/src/plugin/udf.rs
+++ b/datafusion/src/plugin/udf.rs
@@ -63,7 +63,7 @@ impl PluginRegistrar for UDFPluginManager {
                     format!("not found fn registrar_udf_plugin in the library: {}", e),
                 ))
             })?;
-
+        println!("1111111111111111111111");
         let udf_plugin: Box<dyn UDFPlugin> = register_fun();
         udf_plugin
             .udf_names()
@@ -128,6 +128,7 @@ macro_rules! declare_udf_plugin {
             // make sure the constructor is the correct type.
             let constructor: fn() -> $curr_plugin_type = $constructor;
             let object = constructor();
+            println!("I be called");
             Box::new(object)
         }