Bugfix on insert NULL values.

diff --git a/src/audit.c b/src/audit.c
index 01c002ccc3e6d4b6bc32b16a02dc0e27e20c4d96..fb9dcecfadb3225e929f4c62bc98ef356a4bad91 100644 (file)
--- a/src/audit.c
+++ b/src/audit.c
@@ -392,6 +392,7 @@ insert_value (Audit *audit,
                        /* find the new id */
                        GdaDataModel *dm;
                        guint id_new;
+                       gchar *real_value;
 
                        id_new = 0;
                        sql = g_strdup_printf ("SELECT COALESCE (MAX (id)) FROM values");
@@ -401,12 +402,24 @@ insert_value (Audit *audit,
                                        id_new = gdaex_data_model_get_value_integer_at (dm, 0, 0);
                                }
                        id_new++;
-                       
+
+                       if (g_strcmp0 (g_utf8_strup (value, -1), "NULL") == 0)
+                               {
+                                       real_value = g_strdup ("NULL");
+                               }
+                       else
+                               {
+                                       real_value = g_strconcat ("'",
+                                                                 gdaex_strescape ((const gchar *)string_unquote (value), NULL),
+                                                                 "'",
+                                                                 NULL);
+                               }
+
                        sql = g_strdup_printf ("INSERT INTO values"
                                               " (id, id_actions, id_fields, value)"
-                                              " VALUES (%d, %d, %d, '%s')",
+                                              " VALUES (%d, %d, %d, %s)",
                                               id_new, id_actions, field->id,
-                                              gdaex_strescape ((const gchar *)string_unquote (value), NULL));
+                                              real_value);
                        gdaex_execute (priv->gdaex, sql);
                }