[libgda] Misc corrections

[Vivien Malerba <vivien src gnome org>]

commit 2797302d40fceaf5b1416af54e48c9de906166d7
Author: Vivien Malerba <malerba gnome-db org>
Date:   Thu Apr 10 21:07:32 2014 +0200

    Misc corrections

 doc/C/libgda-sections.txt            |    1 +
 libgda/gda-connection.c              |    5 ++++-
 providers/mysql/gda-mysql-provider.c |    4 +++-
 3 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/doc/C/libgda-sections.txt b/doc/C/libgda-sections.txt
index 05dd28f..4af77a4 100644
--- a/doc/C/libgda-sections.txt
+++ b/doc/C/libgda-sections.txt
@@ -155,6 +155,7 @@ gda_connection_get_authentication
 gda_connection_get_date_format
 <SUBSECTION>
 gda_connection_get_events
+gda_connection_point_available_event
 <SUBSECTION>
 gda_connection_create_operation
 gda_connection_perform_operation
diff --git a/libgda/gda-connection.c b/libgda/gda-connection.c
index cec8ab1..9260b2e 100644
--- a/libgda/gda-connection.c
+++ b/libgda/gda-connection.c
@@ -2507,6 +2507,7 @@ gda_connection_add_event (GdaConnection *cnc, GdaConnectionEvent *event)
        g_return_if_fail (GDA_IS_CONNECTION (cnc));
        g_return_if_fail (GDA_IS_CONNECTION_EVENT (event));
 
+       g_object_ref (cnc);
        gda_connection_lock ((GdaLockable*) cnc);
 
        /* clear external list of events */
@@ -2562,7 +2563,9 @@ gda_connection_add_event (GdaConnection *cnc, GdaConnectionEvent *event)
 #ifdef GDA_DEBUG_NO
        dump_events_array (cnc);
 #endif
+
        gda_connection_unlock ((GdaLockable*) cnc);
+       g_object_unref (cnc);
 }
 
 /**
@@ -5505,7 +5508,7 @@ gda_connection_internal_savepoint_removed (GdaConnection *cnc, const gchar *svp_
  * @cnc: a #GdaConnection
  * @stmt: a #GdaStatement which has been executed
  * @params: (allow-none): execution's parameters
- * @error: a #GdaConnectionEvent if the execution failed, or %NULL
+ * @error: (transfer none): a #GdaConnectionEvent if the execution failed, or %NULL
  *
  * Internal functions to be called by database providers when a statement has been executed
  * to keep track of the transaction status of the connection
diff --git a/providers/mysql/gda-mysql-provider.c b/providers/mysql/gda-mysql-provider.c
index 6bf9c1d..3240431 100644
--- a/providers/mysql/gda-mysql-provider.c
+++ b/providers/mysql/gda-mysql-provider.c
@@ -2206,6 +2206,7 @@ gda_mysql_provider_statement_execute (GdaServerProvider               *provider,
                                                g_free (str);
                                                
                                                gda_connection_internal_statement_executed (cnc, stmt, 
params, event); /* required: help @cnc keep some stats */
+                                               g_object_unref (event);
                                                return (GObject *) gda_set_new_inline
                                                        (1, "IMPACTED_ROWS", G_TYPE_INT, (int) affected_rows);
                                        }
@@ -2724,6 +2725,7 @@ gda_mysql_provider_statement_execute (GdaServerProvider               *provider,
        GObject *return_value = NULL;
        if (mysql_stmt_execute (ps->mysql_stmt)) {
                event = _gda_mysql_make_error (cnc, NULL, ps->mysql_stmt, error);
+               gda_connection_add_event (cnc, event);
        }
        else {
                /* execute prepared statement using C API depending on its kind */
@@ -2765,6 +2767,7 @@ gda_mysql_provider_statement_execute (GdaServerProvider               *provider,
                                (1, "IMPACTED_ROWS", G_TYPE_INT, (int) affected_rows);
                        
                        gda_connection_internal_statement_executed (cnc, stmt, params, event); /* required: 
help @cnc keep some stats */
+                       g_object_unref (event);
 
                        if (last_inserted_row) {
                                my_ulonglong last_row;
@@ -2772,7 +2775,6 @@ gda_mysql_provider_statement_execute (GdaServerProvider               *provider,
                                if (last_row)
                                        *last_inserted_row = make_last_inserted_set (cnc, stmt, last_row);
                        }
-
                }
        }
        g_object_unref (ps);