Github user nonstop-qfchen commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/66#discussion_r38116407
--- Diff: core/sql/optimizer/mdam.cpp ---
@@ -2007,39 +2007,39 @@ void Disjuncts::computeCommonPredicates()
get(disjunct,i);
if(CmpCommon::getDefault(RANGESPEC_TRANSFORMATION) == DF_ON )
{
- ValueIdSet inVidset = disjunct.getAsValueIdSet();
- ValueIdSet outVidset,parsedVs;
- for (ValueId predId = inVidset.init();
- inVidset.next(predId);
- inVidset.advance(predId) )
- {
- if(predId.getItemExpr()->getOperatorType() == ITM_RANGE_SPEC_FUNC
)
- {
- if(predId.getItemExpr()->child(1)->getOperatorType() ==
ITM_AND ){
- predId.getItemExpr()->child(1)->convertToValueIdSet(parsedVs,
NULL, ITM_AND, FALSE);
+ ValueIdSet inVidset = disjunct.getAsValueIdSet();
+ ValueIdSet outVidset,parsedVs;
+ for (ValueId predId = inVidset.init();
+ inVidset.next(predId);
+ inVidset.advance(predId) )
+ {
+ if(predId.getItemExpr()->getOperatorType() ==
ITM_RANGE_SPEC_FUNC )
+ {
+ if(predId.getItemExpr()->child(1)->getOperatorType() == ITM_AND
){
+ predId.getItemExpr()->child(1)->convertToValueIdSet(parsedVs,
NULL, ITM_AND, FALSE);
outVidset +=parsedVs;
- }
- else if(predId.getItemExpr()->child(1)->getOperatorType() !=
ITM_AND
+ }
+ else if(predId.getItemExpr()->child(1)->getOperatorType() !=
ITM_AND
&& predId.getItemExpr()->child(1)->getOperatorType()
!= ITM_OR)
- outVidset +=
predId.getItemExpr()->child(1)->castToItemExpr()->getValueId();
- }
+ outVidset +=
predId.getItemExpr()->child(1)->castToItemExpr()->getValueId();
+ }
else
- outVidset +=predId;
- parsedVs.clear();
+ outVidset +=predId;
+ parsedVs.clear();
}
if (i==0)
commonPredicates_.insert(outVidset);
else
commonPredicates_.intersectSet(outVidset);
- }
- else
- {
+ }
+ else
+ {
if (i==0)
commonPredicates_.insert(disjunct.getAsValueIdSet());
else
commonPredicates_.intersectSet(disjunct.getAsValueIdSet());
- }
+ }
--- End diff --
Yes. there is no real change in this file. I aligned the blocks.
On Thu, Aug 27, 2015 at 11:00 AM, Suresh Subbiah <[email protected]>
wrote:
> In core/sql/optimizer/mdam.cpp
>
<https://github.com/apache/incubator-trafodion/pull/66#discussion_r38112704>
> :
>
> > if (i==0)
> > commonPredicates_.insert(disjunct.getAsValueIdSet());
> > else
> > commonPredicates_.intersectSet(disjunct.getAsValueIdSet());
> > - }
> > + }
>
> just for my understanding, there is no change in this file and we the
> diffs are all whitespaces. I am sorry I do not know how to ignore
> whitespace in this diff tool.
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/incubator-trafodion/pull/66/files#r38112704>.
>
--
Regards, --Qifan
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