lib/sqlite: to_sql_string escape `\`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/sqlite3/sqlite3.nit b/lib/sqlite3/sqlite3.nit
index a88b718..1d6287a 100644 (file)
--- a/lib/sqlite3/sqlite3.nit
+++ b/lib/sqlite3/sqlite3.nit
@@ -282,16 +282,18 @@ end
 interface Sqlite3Data end
 
 redef universal Int super Sqlite3Data end
+
 redef universal Float super Sqlite3Data end
+
 redef class String
        super Sqlite3Data
 
-       # Return `self` between `'`s and escaping any extra `'`
+       # Return `self` between `'`s, escaping `\` and `'`
        #
        #     assert "'; DROP TABLE students".to_sql_string == "'''; DROP TABLE students'"
        fun to_sql_string: String
        do
-               return "'{self.replace('\'', "''")}'"
+               return "'{self.replace('\\', "\\\\").replace('\'', "''")}'"
        end
 end