Function gen_t_start

src/gpre/obj_cxx.cpp:3329–3385

//

static void gen_t_start( const act* action, int column)
{
	const TEXT* vector = status_vector(action);

	// if this is a purely default transaction, just let it through

	const gpre_tra* trans;
	if (!action || !(trans = (gpre_tra*) action->act_object))
	{
		t_start_auto(action, 0, vector, column, false);
		return;
	}

	// build a complete statement, including tpb's. Ready db's
	const tpb* tpb_iterator;

	if (gpreGlob.sw_auto)
		for (tpb_iterator = trans->tra_tpb; tpb_iterator; tpb_iterator = tpb_iterator->tpb_tra_next)
		{
			const gpre_dbb* db = tpb_iterator->tpb_database;
			const TEXT* filename = db->dbb_runtime;
			if (filename || !(db->dbb_flags & DBB_sqlca))
			{
				printa(column, "if (!%s)", db->dbb_name->sym_string);
				make_ready(db, filename, vector, (USHORT) (column + INDENT), 0);
			}
		}

	if (trans->tra_db_count == 1)
	{
		printa(column, "%s = %s->startTransaction(%s, %d, fb_tpb_%d);",
			trans->tra_handle ? trans->tra_handle : gpreGlob.transaction_name,
			trans->tra_tpb->tpb_database->dbb_name->sym_string, vector,
			trans->tra_tpb->tpb_length, trans->tra_tpb->tpb_ident);
	}
	else
	{
		printa(column, "{\t\t// fbComponents scope\n");
		printa(column + INDENT, "DtcStart fbComponents[%d] = {", trans->tra_db_count);

		for (tpb_iterator = trans->tra_tpb; tpb_iterator; tpb_iterator = tpb_iterator->tpb_tra_next)
		{
			printa(column + INDENT * 2, "{%s, fb_tpb_%d, %d}%s\n",
				tpb_iterator->tpb_database->dbb_name->sym_string,
				tpb_iterator->tpb_ident, tpb_iterator->tpb_length,
				tpb_iterator->tpb_tra_next ? "," : "");
		}

		printa(column + INDENT, " };\n\n");

		printa(column + INDENT, "%s = fbMaster->getDtc()->start(%s, %d, fbComponents);\n",
			trans->tra_handle ? trans->tra_handle : gpreGlob.transaction_name,
			vector, trans->tra_db_count);

		printa(column, "}\t\t// end fbComponents scope\n");
	}
}