[libgda] Don't clean the meta data when disposing of virtual connection

[Vivien Malerba <vivien src gnome org>]

commit 86a67d45cd700c376361fd7973f93b9bdf0cd546
Author: Vivien Malerba <malerba gnome-db org>
Date:   Mon Dec 1 22:15:13 2014 +0100

    Don't clean the meta data when disposing of virtual connection

 libgda/sqlite/virtual/gda-vconnection-data-model.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/libgda/sqlite/virtual/gda-vconnection-data-model.c 
b/libgda/sqlite/virtual/gda-vconnection-data-model.c
index fad927e..87d5086 100644
--- a/libgda/sqlite/virtual/gda-vconnection-data-model.c
+++ b/libgda/sqlite/virtual/gda-vconnection-data-model.c
@@ -31,6 +31,7 @@
 
 struct _GdaVconnectionDataModelPrivate {
        GSList *table_data_list; /* list of GdaVConnectionTableData structures */
+       gboolean being_disposed;
 
        GMutex        lock_context;
        GdaStatement *executed_stmt;
@@ -81,7 +82,8 @@ vtable_dropped (GdaVconnectionDataModel *cnc, const gchar *table_name)
        td = _gda_vconnection_get_table_data_by_name (cnc, table_name);
        if (td)
                cnc->priv->table_data_list = g_slist_remove (cnc->priv->table_data_list, td);
-       _gda_connection_signal_meta_table_update ((GdaConnection *)cnc, table_name);
+       if (! cnc->priv->being_disposed)
+               _gda_connection_signal_meta_table_update ((GdaConnection *)cnc, table_name);
 #ifdef GDA_DEBUG_NO
        dump_all_tables (cnc);
 #endif
@@ -139,6 +141,7 @@ gda_vconnection_data_model_init (GdaVconnectionDataModel *cnc, G_GNUC_UNUSED Gda
 {
        cnc->priv = g_new (GdaVconnectionDataModelPrivate, 1);
        cnc->priv->table_data_list = NULL;
+       cnc->priv->being_disposed = FALSE;
        g_mutex_init (& (cnc->priv->lock_context));
 
        g_object_set (G_OBJECT (cnc), "cnc-string", "_IS_VIRTUAL=TRUE", NULL);
@@ -153,6 +156,7 @@ gda_vconnection_data_model_dispose (GObject *object)
 
        /* free memory */
        if (cnc->priv) {
+               cnc->priv->being_disposed = TRUE;
                while (cnc->priv->table_data_list) {
                        GdaVConnectionTableData *td;
                        td = (GdaVConnectionTableData *) cnc->priv->table_data_list->data;