Displaying 3 results from an estimated 3 matches for "idfield".
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id_field
2016 Apr 30
2
R bindings for Xapian: API modifications
Hi,
I'm currently reviewing my originally proposed API design and I added two
new fields(idField, stemmer) to the xapian_index() function. As my next
task I'm planning to determine the output data structure and format of
xapian_search() function. Afterwards I will focus back on xapian_index()
function and review the format of valueSlots parameter.
An outline of 'simple indexing' f...
2016 May 03
2
Fwd: R bindings for Xapian: API modifications
>
> >but it looked like
> >you were suggesting that (for instance) the ID column in the data
> >frame would only be specified by numeric index.
>
The parameter idField is only used to allow the user to specify a column
whose row values will be used as unique identifiers. If it's required to
index the idField then it should be separately included in the indexFields
list as shown below.
indexFields <-list( list(0,"S","id_NUMBER"), list(2...
2016 May 02
2
Fwd: R bindings for Xapian: API modifications
>
> >Is there a reason you're using a stored CSV rather than doing it from
> >a data frame directly? That would avoid having to read from a foreign
> >format, write to CSV and then read again in order to index it.
No. The input data structure to xapian_index() will indeed be a data frame.
Even a stored CSV can be conveniently converted to a data frame. There are
few