Thanks Luke and Sanjit. That "magic" in Parser.h in case of python looks like: end_row_id = id[:len(start_row)-1] + chr(ord(start_row[len(start_row)-1:]) + 1)
So since we're going to use it, please try not to break start_row/end_row in RowInterval while refactoring. On Thu, Jan 21, 2010 at 5:03 AM, Sanjit Jhala <[email protected]> wrote: > Basically "bas" is the first string that sorts after everything that starts > with "bar". A simple way to generate it is add 1 to last non- 0xff byte of > the of the start row string. > > -Sanjit > > > > On Wed, Jan 20, 2010 at 10:20 AM, Stanislav Yudin <[email protected]>wrote: > >> Thanks Sanjit, but this is not a solution. I don't know what should be >> "bas" in my case, since all I have is a predicate for row key, so I have to >> supply something like "barXXXXXXXX..." as end row, which should be the last >> posible key with such predicate. What I am looking for is the same logic as >> in src/cc/HyperTable/Lib/HqlParser.h:783 onwards (which looks like black >> magic for me). Can you explain what is going on in HqlParser.h? I am using >> thrift bindings for python. >> >> On Wed, Jan 20, 2010 at 10:24 PM, Sanjit Jhala <[email protected]> wrote: >> >>> Hi Stanislav, >>> >>> Suppose you want to set up a scanner that returns all rows starting with >>> "bar". Setup a scanner with the row interval start_row = 'bar', end_row = >>> 'bas', start_inclusive = true, end_inclusive = false. >>> >>> Btw are you using the Thrift interface or the C++ client? >>> >>> -Sanjit >>> >>> On Wed, Jan 20, 2010 at 4:40 AM, Stanislav Yudin <[email protected]>wrote: >>> >>>> Hello everyone, >>>> I wonder what is the best way to setup ScanSpec which would do the same >>>> as =^ (or RELOP_SW) operator in HQL? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Hypertable Development" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]<hypertable-dev%[email protected]> >>>> . >>>> For more options, visit this group at >>>> http://groups.google.com/group/hypertable-dev?hl=en. >>>> >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Hypertable Development" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<hypertable-dev%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/hypertable-dev?hl=en. >>> >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Hypertable Development" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<hypertable-dev%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/hypertable-dev?hl=en. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "Hypertable Development" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<hypertable-dev%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/hypertable-dev?hl=en. > >--
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