[libgda] DbView: Adding check for missed object properties

[Pavlo Solntsev <psolntsev src gnome org>]

commit a690f194edd9d69fa1b16f66d013445e142b8830
Author: Pavlo Solntsev <p sun fun gmail com>
Date:   Thu Jun 4 00:22:44 2020 -0500

    DbView: Adding check for missed object properties

 libgda/gda-db-view.c        | 17 ++++++++++++++++-
 libgda/gda-ddl-modifiable.h |  3 ++-
 2 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/libgda/gda-db-view.c b/libgda/gda-db-view.c
index 0c20d7e69..ba5002fbf 100644
--- a/libgda/gda-db-view.c
+++ b/libgda/gda-db-view.c
@@ -525,11 +525,26 @@ gda_db_view_create (GdaDdlModifiable *self,
 {
   GdaServerProvider *provider = NULL;
   GdaServerOperation *op = NULL;
+  GdaDbView *view = GDA_DB_VIEW (self);
 
   gda_lockable_lock ((GdaLockable*)cnc);
 
   provider = gda_connection_get_provider (cnc);
-  GdaDbViewPrivate *priv = gda_db_view_get_instance_private (GDA_DB_VIEW (self));
+  GdaDbViewPrivate *priv = gda_db_view_get_instance_private (view);
+
+  if (!gda_db_base_get_name (GDA_DB_BASE (view)))
+    {
+      g_set_error (error, GDA_DDL_MODIFIABLE_ERROR, GDA_DDL_MODIFIABLE_MISSED_DATA,
+                   _("View name is not set"));
+      return FALSE;
+    }
+
+  if (!priv->mp_defstring)
+    {
+      g_set_error (error, GDA_DDL_MODIFIABLE_ERROR, GDA_DDL_MODIFIABLE_MISSED_DATA,
+                   _("View definition is not set"));
+      return FALSE;
+    }
 
   op = gda_server_provider_create_operation (provider,
                                              cnc,
diff --git a/libgda/gda-ddl-modifiable.h b/libgda/gda-ddl-modifiable.h
index 08390966b..abb52e1d4 100644
--- a/libgda/gda-ddl-modifiable.h
+++ b/libgda/gda-ddl-modifiable.h
@@ -53,7 +53,8 @@ struct _GdaDdlModifiableInterface
 
 typedef enum {
     GDA_DDL_MODIFIABLE_NOT_IMPLEMENTED,
-    GDA_DDL_MODIFIABLE_CONNECTION_NOT_OPENED
+    GDA_DDL_MODIFIABLE_CONNECTION_NOT_OPENED,
+    GDA_DDL_MODIFIABLE_MISSED_DATA
 } GdaDdlModifiableError;
 
 #define GDA_DDL_MODIFIABLE_ERROR gda_ddl_modifiable_error_quark()