def wordPartsGenerator(word):
return q.let(
{
"indexes":
q.map_(
# Reduce this array if you want less ngrams per word.
# Setting it to [ 0 ] would only create the word itself, Setting it to [0, 1] would result in the word itself
# and all ngrams that are one character shorter, etc..
lambda index: q.subtract(q.length(word), index),
maxNgrams),
"indexesFiltered":
q.filter_(
# left min parts length 3
lambda l: q.gte(l, 3),
q.var('indexes')),
"ngramsArray":
q.distinct(
q.union(
q.map_(lambda l: q.ngram(q.lowercase(word), l, l),
q.var('indexesFiltered'))))
},
q.var('ngramsArray'))
def test_length(self):
self.assertJson(query.length('hello'), '{"length":"hello"}')
def test_length(self):
self.assertEqual(self._q(query.length("")), 0)
self.assertEqual(self._q(query.length("A")), 1)
self.assertEqual(self._q(query.length("ApPle")), 5)
self.assertEqual(self._q(query.length("two words")), 9)