static GSList *
gda_tree_mgr_select_update_children (GdaTreeManager *manager, GdaTreeNode *node,
G_GNUC_UNUSED const GSList *children_nodes, gboolean *out_error,
GError **error)
{
GdaTreeMgrSelect *mgr = GDA_TREE_MGR_SELECT (manager);
GdaDataModel *model;
GSList *list = NULL;
if (!mgr->priv->cnc) {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("No connection specified"));
if (out_error)
*out_error = TRUE;
return NULL;
}
if (!mgr->priv->stmt) {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("No SELECT statement specified"));
if (out_error)
*out_error = TRUE;
return NULL;
}
if (node && mgr->priv->non_bound_params) {
/* looking for values in @node's attributes */
GSList *nbplist;
for (nbplist = mgr->priv->non_bound_params; nbplist; nbplist = nbplist->next) {
const GValue *cvalue;
GdaHolder *holder = (GdaHolder*) nbplist->data;
cvalue = gda_tree_node_fetch_attribute (node, gda_holder_get_id (holder));
if (cvalue) {
if (!gda_holder_set_value (holder, cvalue, error)) {
if (out_error)
*out_error = TRUE;
return NULL;
}
}
else {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
_("No value specified for parameter '%s'"), gda_holder_get_id (holder));
if (out_error)
*out_error = TRUE;
return NULL;
}
}
}
model = gda_connection_statement_execute_select (mgr->priv->cnc, mgr->priv->stmt, mgr->priv->priv_params, error);
if (!model) {
if (out_error)
*out_error = TRUE;
return NULL;
}
GdaDataModelIter *iter;
iter = gda_data_model_create_iter (model);
for (; iter && gda_data_model_iter_move_next (iter);) {
GdaTreeNode* snode = NULL;
const GValue *cvalue;
GSList *iholders;
for (iholders = GDA_SET (iter)->holders; iholders; iholders = iholders->next) {
GdaHolder *holder = (GdaHolder*) iholders->data;
if (!gda_holder_is_valid (holder) || !(cvalue = gda_holder_get_value (holder))) {
if (list) {
g_slist_foreach (list, (GFunc) g_object_unref, NULL);
g_slist_free (list);
}
if (out_error)
*out_error = TRUE;
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("Unable to get iterator's value"));
return NULL;
}
if (!snode) {
gchar *str = gda_value_stringify (cvalue);
snode = gda_tree_manager_create_node (manager, node, str);
g_free (str);
list = g_slist_prepend (list, snode);
}
gda_tree_node_set_node_attribute (snode, g_strdup (gda_holder_get_id (holder)), cvalue, g_free);
}
}
if (iter)
g_object_unref (iter);
g_object_unref (model);
return list;
}
static GSList *
gda_tree_mgr_columns_update_children (GdaTreeManager *manager, GdaTreeNode *node, G_GNUC_UNUSED const GSList *children_nodes,
gboolean *out_error, GError **error)
{
GdaTreeMgrColumns *mgr = GDA_TREE_MGR_COLUMNS (manager);
GdaMetaStore *store;
GdaDataModel *model;
GSList *list = NULL;
GdaConnection *scnc;
GdaTreeMgrColumnsPrivate *priv = gda_tree_mgr_columns_get_instance_private (mgr);
if (!priv->cnc && !priv->mstore) {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("No connection and no GdaMetaStore specified"));
if (out_error)
*out_error = TRUE;
return NULL;
}
else if (priv->mstore)
store = priv->mstore;
else
store = gda_connection_get_meta_store (priv->cnc);
scnc = gda_meta_store_get_internal_connection (store);
/* create statements if necessary */
if (!priv->stmt) {
GdaSqlParser *parser;
GdaStatement *stmt;
parser = gda_connection_create_parser (scnc);
if (! parser)
parser = gda_sql_parser_new ();
stmt = gda_sql_parser_parse_string (parser,
"SELECT column_name FROM _columns WHERE "
"table_schema= ##schema::string AND "
"table_name= ##table_name::string "
"ORDER BY ordinal_position", NULL, error);
g_object_unref (parser);
if (!stmt) {
if (out_error)
*out_error = TRUE;
return NULL;
}
if (!gda_statement_get_parameters (stmt, &(priv->params), error)) {
if (out_error)
*out_error = TRUE;
g_object_unref (stmt);
return NULL;
}
priv->stmt = stmt;
}
gboolean schema_specified = FALSE;
gboolean table_specified = FALSE;
if (priv->schema) {
schema_specified = TRUE;
g_assert (gda_set_set_holder_value (priv->params, NULL, "schema",
priv->schema));
}
if (priv->table_name) {
table_specified = TRUE;
g_assert (gda_set_set_holder_value (priv->params, NULL, "table_name",
priv->table_name));
}
if (!schema_specified && node) {
/* looking for a schema in @node's attributes */
const GValue *cvalue;
cvalue = gda_tree_node_fetch_attribute (node, "schema");
if (cvalue) {
GdaHolder *h = gda_set_get_holder (priv->params, "schema");
if (!gda_holder_set_value (h, cvalue, error)) {
if (out_error)
*out_error = TRUE;
return NULL;
}
schema_specified = TRUE;
}
}
if (!table_specified && node) {
/* looking for a table in @node's attributes */
const GValue *cvalue;
cvalue = gda_tree_node_fetch_attribute (node, "table_name");
if (cvalue) {
GdaHolder *h = gda_set_get_holder (priv->params, "table_name");
if (!gda_holder_set_value (h, cvalue, error)) {
if (out_error)
*out_error = TRUE;
return NULL;
}
table_specified = TRUE;
}
}
if (!schema_specified) {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("No schema specified"));
if (out_error)
*out_error = TRUE;
return NULL;
}
if (!table_specified) {
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("No table specified"));
if (out_error)
*out_error = TRUE;
return NULL;
}
model = gda_connection_statement_execute_select (scnc, priv->stmt, priv->params, error);
if (!model) {
if (out_error)
*out_error = TRUE;
return NULL;
}
GdaDataModelIter *iter;
iter = gda_data_model_create_iter (model);
for (; iter && gda_data_model_iter_move_next (iter);) {
GdaTreeNode* snode;
const GValue *cvalue;
cvalue = gda_data_model_iter_get_value_at (iter, 0);
if (!cvalue) {
if (list) {
g_slist_free_full (list, (GDestroyNotify) g_object_unref);
}
if (out_error)
*out_error = TRUE;
g_set_error (error, GDA_TREE_MANAGER_ERROR, GDA_TREE_MANAGER_UNKNOWN_ERROR,
"%s", _("Unable to get column name"));
return NULL;
}
snode = gda_tree_manager_create_node (manager, node, g_value_get_string (cvalue));
gda_tree_node_set_node_attribute (snode, "column_name", cvalue, NULL);
list = g_slist_prepend (list, snode);
}
if (iter)
g_object_unref (iter);
g_object_unref (model);
return list;
}
