ObPhyOperator *ObUpsPhyOperatorFactory::get_one(ObPhyOperatorType type, common::ModuleArena &allocator)
{
ObPhyOperator *ret = NULL;
if (NULL == session_ctx_ || NULL == table_mgr_)
{
TBSYS_LOG(ERROR, "param not set: session_ctx=%p, table_mgr=%p", session_ctx_, table_mgr_);
}
else
{
switch(type)
{
case PHY_LOCK_FILTER:
ret = new_operator(ObUpsLockFilter, allocator, *session_ctx_);
break;
case PHY_INC_SCAN:
{
ObUpsIncScan *ic = tc_rp_alloc(ObUpsIncScan);
ic->set_session_ctx(session_ctx_);
ret = ic;
break;
}
case PHY_UPS_MODIFY:
ret = new_operator(MemTableModify, allocator, *session_ctx_, *table_mgr_);
break;
case PHY_UPS_MODIFY_WITH_DML_TYPE:
ret = new_operator(MemTableModifyWithDmlType, allocator, *session_ctx_, *table_mgr_);
break;
default:
ret = ObPhyOperatorFactory::get_one(type, allocator);
break;
}
}
return ret;
}
GSList *math_string_to_infix(gchar *string)
{
GSList *infix = NULL;
gchar *expr = string;
for (; *expr; expr++) {
if (strchr("+-/*^()", *expr)) {
infix = g_slist_append(infix, new_operator(*expr));
} else if (strchr("@", *expr)) {
infix = g_slist_append(infix, new_variable(*expr));
} else if (strchr("-.1234567890", *expr)) {
gfloat value;
sscanf(expr, "%f", &value);
while (*expr && strchr(".1234567890", *expr))
expr++;
expr--;
infix = g_slist_append(infix, new_value(value));
} else if (!isspace(*expr)) {
g_print("Invalid token: [%c][%d]\n", *expr, *expr);
math_infix_free(infix, TRUE);
return NULL;
}
}
return infix;
}
