From ef550d6d75f8222bcdbd3eead0b974e882cc1b0d Mon Sep 17 00:00:00 2001
From: Ivan Ukhov <ivan.ukhov@gmail.com>
Date: Fri, 29 May 2015 14:33:39 -0400
Subject: [PATCH] Return error message from SQLite

---
 src/lib.rs   | 16 +++++++++++++++-
 tests/lib.rs | 11 +++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 163e15d..43b914c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,10 +8,24 @@ macro_rules! raise(
 );
 
 macro_rules! success(
+    ($result:expr, $database:expr) => (
+        match $result {
+            ::raw::SQLITE_OK => {},
+            code => match ::Error::last($database) {
+                Some(error) => return Err(error),
+                None => return Err(::Error::from(::result::code_from_raw(code))),
+            },
+        }
+    );
     ($result:expr) => (
         match $result {
             ::raw::SQLITE_OK => {},
-            code => return Err(::Error::from(::result::code_from_raw(code))),
+            code => return Err(::Error {
+                code: ::result::code_from_raw(code),
+                message: Some(c_str_to_string!(unsafe {
+                    ::raw::sqlite3_errstr(code)
+                })),
+            }),
         }
     );
 );
diff --git a/tests/lib.rs b/tests/lib.rs
index af37c95..2f51935 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -55,6 +55,17 @@ fn workflow() {
     }
 }
 
+#[test]
+fn failure() {
+    let (path, _directory) = setup();
+    let mut database = ok!(sqlite::open(&path));
+    match database.execute(":)", None) {
+        Err(error) => assert_eq!(error.message,
+                                 Some(String::from("SQL logic error or missing database"))),
+        _ => assert!(false),
+    }
+}
+
 fn setup() -> (PathBuf, Directory) {
     let directory = ok!(Directory::new("sqlite"));
     (directory.path().join("database.sqlite3"), directory)