in ext/pg_query/pg_query_deparse.c [494:567]
static void deparseSeqOptElem(StringInfo str, DefElem *def_elem)
{
ListCell *lc;
if (strcmp(def_elem->defname, "as") == 0)
{
appendStringInfoString(str, "AS ");
deparseSimpleTypename(str, def_elem->arg);
}
else if (strcmp(def_elem->defname, "cache") == 0)
{
appendStringInfoString(str, "CACHE ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else if (strcmp(def_elem->defname, "cycle") == 0 && intVal(def_elem->arg) == 1)
{
appendStringInfoString(str, "CYCLE");
}
else if (strcmp(def_elem->defname, "cycle") == 0 && intVal(def_elem->arg) == 0)
{
appendStringInfoString(str, "NO CYCLE");
}
else if (strcmp(def_elem->defname, "increment") == 0)
{
appendStringInfoString(str, "INCREMENT ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else if (strcmp(def_elem->defname, "maxvalue") == 0 && def_elem->arg != NULL)
{
appendStringInfoString(str, "MAXVALUE ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else if (strcmp(def_elem->defname, "maxvalue") == 0 && def_elem->arg == NULL)
{
appendStringInfoString(str, "NO MAXVALUE");
}
else if (strcmp(def_elem->defname, "minvalue") == 0 && def_elem->arg != NULL)
{
appendStringInfoString(str, "MINVALUE ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else if (strcmp(def_elem->defname, "minvalue") == 0 && def_elem->arg == NULL)
{
appendStringInfoString(str, "NO MINVALUE");
}
else if (strcmp(def_elem->defname, "owned_by") == 0)
{
appendStringInfoString(str, "OWNED BY ");
deparseAnyName(str, castNode(List, def_elem->arg));
}
else if (strcmp(def_elem->defname, "sequence_name") == 0)
{
appendStringInfoString(str, "SEQUENCE NAME ");
deparseAnyName(str, castNode(List, def_elem->arg));
}
else if (strcmp(def_elem->defname, "start") == 0)
{
appendStringInfoString(str, "START ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else if (strcmp(def_elem->defname, "restart") == 0 && def_elem->arg == NULL)
{
appendStringInfoString(str, "RESTART");
}
else if (strcmp(def_elem->defname, "restart") == 0 && def_elem->arg != NULL)
{
appendStringInfoString(str, "RESTART ");
deparseNumericOnly(str, (Value *) def_elem->arg);
}
else
{
Assert(false);
}
}