Github user nonstop-qfchen commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/132#discussion_r42407164
--- Diff: core/sql/optimizer/PartFunc.cpp ---
@@ -5009,6 +5020,118 @@ void RangePartitioningFunction::print(FILE* ofd,
const char* indent,
partitionBoundaries_->print(ofd, indent, title);
} // RangePartitioningFunction::print()
+
+
+NABoolean
+compareEncodedKey(const char* low, const char* key, const char* high,
Int32 keyLen, NABoolean checkLast)
--- End diff --
Yes it is true for all intervals except the last one, which is an
all-closed interval.
On Mon, Oct 19, 2015 at 1:18 PM, DaveBirdsall <[email protected]>
wrote:
> In core/sql/optimizer/PartFunc.cpp
>
<https://github.com/apache/incubator-trafodion/pull/132#discussion_r42406620>
> :
>
> > @@ -5009,6 +5020,118 @@ void RangePartitioningFunction::print(FILE*
ofd, const char* indent,
> > partitionBoundaries_->print(ofd, indent, title);
> >
> > } // RangePartitioningFunction::print()
> > +
> > +
> > +NABoolean
> > +compareEncodedKey(const char* low, const char* key, const char* high,
Int32 keyLen, NABoolean checkLast)
>
> So, this routine checks to see if the key is in the half-open interval
> [low,hi), correct?
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/incubator-trafodion/pull/132/files#r42406620>.
>
--
Regards, --Qifan
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