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MCOL-1052 WIP HAVING filter works. Decline non GROUP BY fields not presented in the ORDER BY list with error.

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This commit is contained in:
Roman Nozdrin
2018-04-10 04:27:08 +03:00
parent 6bd13849b2
commit 05bca5382d
2 changed files with 55 additions and 19 deletions
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72
dbcon/mysql/ha_calpont_execplan.cpp
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@ -503,7 +503,12 @@ void debug_walk(const Item* item, void* arg)
Item_sum* isp = (Item_sum*)item;
char* item_name = item->name;
if (!item_name)
// MCOL-1052 This is and item from extended SELECT list
if (!item_name && isp->get_arg_count() and isp->get_arg(0)->name)
{
item_name = isp->get_arg(0)->name;
}
else if (!item_name)
{
item_name = (char*)"<NULL>";
}
@ -697,8 +702,17 @@ void debug_walk(const Item* item, void* arg)
else if (ref->real_item()->type() == Item::FIELD_ITEM)
{
Item_field* ifp = (Item_field*)ref->real_item();
cerr << "REF FIELD_ITEM: " << ifp->db_name << '.' << bestTableName(ifp) << '.' <<
ifp->field_name << endl;
// MCOL-1052 The field referenced presumable came from
// extended SELECT list.
if ( !ifp->field_name )
{
cerr << "REF extra FIELD_ITEM: " << ifp->name << endl;
}
else
{
cerr << "REF FIELD_ITEM: " << ifp->db_name << '.' << bestTableName(ifp) << '.' <<
ifp->field_name << endl;
}
break;
}
else if (ref->real_item()->type() == Item::FUNC_ITEM)
@ -5283,14 +5297,10 @@ void gp_walk(const Item* item, void* arg)
gwip->clauseType = SELECT;
if (col->type() != Item::COND_ITEM)
{
/*if ( col->type() == Item::FIELD_ITEM )
{
rc = buildReturnedColumnGr(col, *gwip, gwip->fatalParseError);
} else*/
rc = buildReturnedColumn(col, *gwip, gwip->fatalParseError);
if ( col->type() == Item::FIELD_ITEM )
gwip->fatalParseError = false;
{
rc = buildReturnedColumn(col, *gwip, gwip->fatalParseError);
if ( col->type() == Item::FIELD_ITEM )
gwip->fatalParseError = false;
}
SimpleColumn* sc = dynamic_cast<SimpleColumn*>(rc);
@ -5365,15 +5375,22 @@ void gp_walk(const Item* item, void* arg)
}
else if (col->type() == Item::FIELD_ITEM && gwip->clauseType == HAVING)
{
// Найти item в списке groupByFields
Item_func_or_sum* isfp = reinterpret_cast<Item_func_or_sum*>(gwip->havingAggColsItems[0]);
if ( isfp->type() == Item::SUM_FUNC_ITEM )
Item_field* ifip = static_cast<Item_field*>(col);
std::vector<Item*>::iterator iter = gwip->havingAggColsItems.begin();
Item_func_or_sum *isfp = NULL;
for( ;iter != gwip->havingAggColsItems.end(); iter++ )
{
ReturnedColumn* rc = buildAggregateColumn(isfp, *gwip);
Item *temp_isfp = *iter;
isfp = reinterpret_cast<Item_func_or_sum*>(temp_isfp);
if ( isfp->type() == Item::SUM_FUNC_ITEM &&
isfp->result_field == ifip->field )
{
ReturnedColumn* rc = buildAggregateColumn(isfp, *gwip);
if (rc)
gwip->rcWorkStack.push(rc);
break;
}
}
if (rc)
gwip->rcWorkStack.push(rc);
break;
}
else
@ -9671,6 +9688,25 @@ int getGroupPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, cal_gro
rc = buildReturnedColumn(item_ptr, gwi, gwi.fatalParseError);
}
if ( ord_item->type() == Item::FIELD_ITEM )
{
execplan::CalpontSelectExecutionPlan::ReturnedColumnList::iterator iter = gwi.groupByCols.begin();
for( ; iter != gwi.groupByCols.end(); iter++ )
{
if( rc->sameColumn((*iter).get()) )
break;
}
// MCOL-1052 GROUP BY items list doesn't contain
// this ORDER BY item.
if ( iter == gwi.groupByCols.end() )
{
string emsg = IDBErrorInfo::instance()->errorMsg(ERR_NOT_GROUPBY_EXPRESSION);
gwi.parseErrorText = emsg;
setError(gwi.thd, ER_INTERNAL_ERROR, emsg, gwi);
return ERR_NOT_GROUPBY_EXPRESSION;
}
}
if (!rc)
{
string emsg = IDBErrorInfo::instance()->errorMsg(ERR_NON_SUPPORT_ORDER_BY);