I love the functionality, but doesn't calling the function "where"
conjure up the SQL WHERE clause? I might think it was doing something
with SELECT...WHERE in the underlying DB.
-- Joe B.
On Oct 27, 10:11 pm, "mr.freeze" <nat...@freezable.com> wrote:
> Works! Would you be interested in these for sql.py Rows class?:
>
> def where(self,f):
> if not self.response:
> return None
> rows = []
> for i in range(0,len(self)):
> row = self[i]
> if f(row): rows.append(self.response[i])
> return Rows(self._db,rows,*self.colnames)
>
> def filter(self,f):
> if not self.response:
> return None
> rows = self.response
> removed = []
> for i in range(0,len(self)):
> row = self[i]
> if f(row):
> removed.append(rows[i])
> rows.remove(rows[i])
> return Rows(self._db,removed,*self.colnames)
>
> Example:
> db.define_table('things',Field('category'))
> rows = db(db.things.id>0).select()
> tests = rows.where(lamdba row: row.category=="test") # returns matches
> rows.filter(lamdba row: row.category=="test")# removes and returns
> removed
>
> On Oct 27, 10:49 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
>
> > Thanks. Just fixed in trunk!
>
> > On Oct 27, 10:35 pm, "mr.freeze" <nat...@freezable.com> wrote:
>
> > > I get a syntax error when using this. I believe line 2926 of
> > > Rows.__getitem__ needs to be changed from:
>
> > > if i >= len(self.response) or i < 0:
>
> > > ...to...
>
> > > if i >= len(self.response):
>
> > > since Rows.last() returns self[-1]
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