static void
load_all_taxtables( GncSqlBackend* be )
{
GncSqlStatement* stmt;
GncSqlResult* result;
g_return_if_fail( be != NULL );
/* First time, create the query */
stmt = gnc_sql_create_select_statement( be, TT_TABLE_NAME );
result = gnc_sql_execute_select_statement( be, stmt );
gnc_sql_statement_dispose( stmt );
if ( result != NULL )
{
GncSqlRow* row;
GList* tt_needing_parents = NULL;
row = gnc_sql_result_get_first_row( result );
while ( row != NULL )
{
load_single_taxtable( be, row, &tt_needing_parents );
row = gnc_sql_result_get_next_row( result );
}
gnc_sql_result_dispose( result );
/* While there are items on the list of taxtables needing parents,
try to see if the parent has now been loaded. Theory says that if
items are removed from the front and added to the back if the
parent is still not available, then eventually, the list will
shrink to size 0. */
if ( tt_needing_parents != NULL )
{
gboolean progress_made = TRUE;
GncTaxTable* root;
Account* pParent;
GList* elem;
while ( progress_made )
{
progress_made = FALSE;
for ( elem = tt_needing_parents; elem != NULL; elem = g_list_next( elem ) )
{
taxtable_parent_guid_struct* s = (taxtable_parent_guid_struct*)elem->data;
tt_set_parent( s->tt, &s->guid );
tt_needing_parents = g_list_delete_link( tt_needing_parents, elem );
progress_made = TRUE;
}
}
}
}
}
void
GncSqlTaxTableBackend::load_all (GncSqlBackend* sql_be)
{
g_return_if_fail (sql_be != NULL);
/* First time, create the query */
std::stringstream sql;
sql << "SELECT * FROM " << TT_TABLE_NAME;
auto stmt = sql_be->create_statement_from_sql(sql.str());
auto result = sql_be->execute_select_statement(stmt);
TaxTblParentGuidVec tt_needing_parents;
for (auto row : *result)
load_single_taxtable (sql_be, row, tt_needing_parents);
/* While there are items on the list of taxtables needing parents,
try to see if the parent has now been loaded. Theory says that if
items are removed from the front and added to the back if the
parent is still not available, then eventually, the list will
shrink to size 0. */
if (!tt_needing_parents.empty())
{
bool progress_made = true;
std::reverse(tt_needing_parents.begin(),
tt_needing_parents.end());
auto end = tt_needing_parents.end();
while (progress_made)
{
progress_made = false;
end = std::remove_if(tt_needing_parents.begin(), end,
[&](TaxTblParentGuidPtr s)
{
auto pBook = qof_instance_get_book (QOF_INSTANCE (s->tt));
auto parent = gncTaxTableLookup (pBook,
&s->guid);
if (parent != nullptr)
{
tt_set_parent (s->tt, &s->guid);
progress_made = true;
delete s;
return true;
}
return false;
});
}
}
}