deleting extra debug info

datafusion/core/src/datasource/memory.rs

@@ -65,10 +65,6 @@ impl MemTable {
     pub fn try_new(schema: SchemaRef, partitions: Vec<Vec<RecordBatch>>) -> Result<Self> {
         for batches in partitions.iter().flatten() {
             let batches_schema = batches.schema();
-            println!(
-                "the new schema is {:?}, schema set is {:?}",
-                batches_schema, schema
-            );
             if !schema.contains(&batches_schema) {
                 debug!(
                     "mem table schema does not contain batches schema. \

datafusion/expr/src/logical_plan/builder.rs

@@ -1204,15 +1204,13 @@ pub fn build_join_schema(
             right_fields.clone()
         }
     };
-    //println!("total fields is {:?}", fields);
     let func_dependencies = left.functional_dependencies().join(
         right.functional_dependencies(),
         join_type,
         left_fields.len(),
     );
     let mut metadata = left.metadata().clone();
     metadata.extend(right.metadata().clone());
-    // let schema = DFSchema::new_with_metadata(change_redundant_column(fields), metadata)?;
     let schema = DFSchema::new_with_metadata(fields, metadata)?;
     schema.with_functional_dependencies(func_dependencies)
 }
@@ -1268,7 +1266,6 @@ pub(crate) fn validate_unique_names<'a>(
                 Ok(())
             },
             Some((existing_position, existing_expr)) => {
-                //println!("node_name is {}, existing expr is {:?}", node_name, existing_expr);
                 plan_err!("{node_name} require unique expression names \
                              but the expression \"{existing_expr}\" at position {existing_position} and \"{expr}\" \
                              at position {position} have the same name. Consider aliasing (\"AS\") one of them."