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MCOL-597 Fix up Windows Functions

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This commit is contained in:
David Hall
2017-03-28 13:03:28 -05:00
parent 324a9fd215
commit b15f79e8ce
6 changed files with 61 additions and 36 deletions
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48
dbcon/mysql/ha_calpont_execplan.cpp
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@ -496,6 +496,11 @@ void debug_walk(const Item *item, void *arg)
'.' << ifp->field_name << endl;
break;
}
else if (field->type() == Item::FUNC_ITEM)
{
Item_func* ifp = (Item_func*)field;
cout << "CACHED REF FUNC_ITEM " << ifp->func_name() << endl;
}
else if (field->type() == Item::REF_ITEM)
{
Item_ref* ifr = (Item_ref*)field;
@ -563,7 +568,20 @@ void debug_walk(const Item *item, void *arg)
ifp->field_name << endl;
break;
}
cout << "UNKNOWN REF ITEM type " << ref->real_item()->type() << endl;
else if (ref->real_item()->type() == Item::FUNC_ITEM)
{
Item_func* ifp = (Item_func*)ref->real_item();
cout << "REF FUNC_ITEM " << ifp->func_name() << endl;
}
else if (ref->real_item()->type() == Item::WINDOW_FUNC_ITEM)
{
Item_window_func* ifp = (Item_window_func*)ref->real_item();
cout << "REF WINDOW_FUNC_ITEM " << ifp->window_func()->func_name() << endl;
}
else
{
cout << "UNKNOWN REF ITEM type " << ref->real_item()->type() << endl;
}
break;
}
case Item::ROW_ITEM:
@ -700,7 +718,8 @@ void debug_walk(const Item *item, void *arg)
}
case Item::WINDOW_FUNC_ITEM:
{
cout << "Window Function Item" << endl;
Item_window_func* ifp = (Item_window_func*)item;
cout << "Window Function Item " << ifp->window_func()->func_name() << endl;
break;
}
default:
@ -2407,18 +2426,19 @@ ReturnedColumn* buildReturnedColumn(Item* item, gp_walk_info& gwi, bool& nonSupp
case Item::REF_ITEM:
{
Item_ref* ref = (Item_ref*)item;
if ((*(ref->ref))->type() == Item::SUM_FUNC_ITEM)
{
switch ((*(ref->ref))->type())
{
case Item::SUM_FUNC_ITEM:
return buildAggregateColumn(*(ref->ref), gwi);
}
else if ((*(ref->ref))->type() == Item::FIELD_ITEM)
case Item::FIELD_ITEM:
return buildReturnedColumn(*(ref->ref), gwi, nonSupport);
else if ((*(ref->ref))->type() == Item::REF_ITEM)
case Item::REF_ITEM:
return buildReturnedColumn(*(((Item_ref*)(*(ref->ref)))->ref), gwi, nonSupport);
else if ((*(ref->ref))->type() == Item::FUNC_ITEM)
case Item::FUNC_ITEM:
return buildFunctionColumn((Item_func*)(*(ref->ref)), gwi, nonSupport);
else
{
case Item::WINDOW_FUNC_ITEM:
return buildWindowFunctionColumn(*(ref->ref), gwi, nonSupport);
default:
gwi.fatalParseError = true;
gwi.parseErrorText = "Unknown REF item";
break;
@ -4390,8 +4410,6 @@ void gp_walk(const Item *item, void *arg)
gwip->subQuery = orig;
gwip->lastSub = existsSub;
}
#if MYSQL_VERSION_ID >= 50172
else if (sub->substype() == Item_subselect::IN_SUBS)
{
if (!((Item_in_subselect*)sub)->getOptimizer() && gwip->thd->derived_tables_processing)
@ -4403,7 +4421,6 @@ void gp_walk(const Item *item, void *arg)
break;
}
}
#endif
// store a dummy subselect object. the transform is handled in item_func.
SubSelect *subselect = new SubSelect();
gwip->rcWorkStack.push(subselect);
@ -4595,6 +4612,11 @@ void parse_item (Item *item, vector<Item_field*>& field_vec, bool& hasNonSupport
item = (*(ref->ref));
continue;
}
else if ((*(ref->ref))->type() == Item::WINDOW_FUNC_ITEM)
{
parseInfo |= AF_BIT;
break;
}
else
{
cout << "UNKNOWN REF Item" << endl;