From 2b8eee2b83ec4ad04ca54c8441aa881fcae176eb Mon Sep 17 00:00:00 2001
From: gwenn <gtreguier@gmail.com>
Date: Thu, 22 Nov 2018 16:50:10 +0100
Subject: [PATCH] Fix Timespec FromSql implementations (#431)

Make sure SQLite built-in CURRENT_TIMESTAMP output is
supported.
---
 src/types/time.rs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/types/time.rs b/src/types/time.rs
index 8a5f171..980d846 100644
--- a/src/types/time.rs
+++ b/src/types/time.rs
@@ -3,6 +3,7 @@ extern crate time;
 use types::{FromSql, FromSqlError, FromSqlResult, ToSql, ToSqlOutput, ValueRef};
 use Result;
 
+const CURRENT_TIMESTAMP_FMT: &str = "%Y-%m-%d %H:%M:%S";
 const SQLITE_DATETIME_FMT: &str = "%Y-%m-%dT%H:%M:%S.%fZ";
 const SQLITE_DATETIME_FMT_LEGACY: &str = "%Y-%m-%d %H:%M:%S:%f %Z";
 
@@ -21,10 +22,13 @@ impl FromSql for time::Timespec {
         value
             .as_str()
             .and_then(|s| {
-                time::strptime(s, SQLITE_DATETIME_FMT).or_else(|err| {
-                    time::strptime(s, SQLITE_DATETIME_FMT_LEGACY)
-                        .or_else(|_| Err(FromSqlError::Other(Box::new(err))))
-                })
+                match s.len() {
+                    19 => time::strptime(s, CURRENT_TIMESTAMP_FMT),
+                    _ => time::strptime(s, SQLITE_DATETIME_FMT).or_else(|err| {
+                        time::strptime(s, SQLITE_DATETIME_FMT_LEGACY).or_else(|_| Err(err))
+                    }),
+                }
+                .or_else(|err| Err(FromSqlError::Other(Box::new(err))))
             })
             .map(|tm| tm.to_timespec())
     }
@@ -33,7 +37,7 @@ impl FromSql for time::Timespec {
 #[cfg(test)]
 mod test {
     use super::time;
-    use {Connection, NO_PARAMS};
+    use {Connection, Result, NO_PARAMS};
 
     fn checked_memory_handle() -> Connection {
         let db = Connection::open_in_memory().unwrap();
@@ -67,4 +71,12 @@ mod test {
             assert_eq!(from, ts);
         }
     }
+
+    #[test]
+    fn test_sqlite_functions() {
+        let db = checked_memory_handle();
+        let result: Result<time::Timespec> =
+            db.query_row("SELECT CURRENT_TIMESTAMP", NO_PARAMS, |r| r.get(0));
+        assert!(result.is_ok());
+    }
 }