fix compilation

Author: balliegojr

src/ast/dml.rs

@@ -333,15 +333,15 @@ impl Display for CreateTable {
             write!(
                 f,
                 " ENABLE_SCHEMA_EVOLUTION={}",
-                is_enabled.to_string().to_uppercase()
+                if is_enabled { "TRUE" } else { "FALSE" }
             )?;
         }
 
         if let Some(is_enabled) = self.change_tracking {
             write!(
                 f,
                 " CHANGE_TRACKING={}",
-                is_enabled.to_string().to_uppercase()
+                if is_enabled { "TRUE" } else { "FALSE" }
             )?;
         }