def test_sorted_with_fields(self):
expected_sql = 'SELECT f1,f2 FROM (%s) ORDER BY f1 LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.sorted('f1', fields=['f1', 'f2']),
expected_sql)
def test_hashed_with_fields(self):
expected_sql = 'SELECT f1 FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5, fields=['f1']),
expected_sql)
def test_sorted_descending(self):
expected_sql = 'SELECT * FROM (%s) ORDER BY f1 DESC LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.sorted('f1', ascending=False),
expected_sql)
def test_hashed(self):
expected_sql = 'SELECT * FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5), expected_sql)
def test_hashed_and_limited(self):
expected_sql = 'SELECT * FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5 LIMIT 100' \
% TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5, count=100), expected_sql)
def test_default_custom_fields(self):
expected_sql = 'SELECT f1,f2 FROM (%s) LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.default(fields=['f1', 'f2']),
expected_sql)
def test_default_all_fields(self):
expected_sql = 'SELECT * FROM (%s) LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.default(fields=[]), expected_sql)
def test_sorted_with_fields(self):
expected_sql = 'SELECT f1,f2 FROM (%s) ORDER BY f1 LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.sorted('f1', fields=['f1', 'f2']), expected_sql)
def test_default_custom_count(self):
expected_sql = 'SELECT * FROM (%s) LIMIT 20' % TestCases.BASE_SQL
self._apply_sampling(Sampling.default(count=20), expected_sql)
def test_hashed_with_fields(self):
expected_sql = 'SELECT f1 FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5, fields=['f1']), expected_sql)
def test_sorted_descending(self):
expected_sql = 'SELECT * FROM (%s) ORDER BY f1 DESC LIMIT 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.sorted('f1', ascending=False), expected_sql)
def test_hashed_and_limited(self):
expected_sql = 'SELECT * FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5 LIMIT 100' \
% TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5, count=100), expected_sql)
def test_hashed(self):
expected_sql = 'SELECT * FROM (%s) WHERE ABS(HASH(f1)) %% 100 < 5' % TestCases.BASE_SQL
self._apply_sampling(Sampling.hashed('f1', 5), expected_sql)
def test_default_all_fields(self): expected_sql = 'SELECT * FROM (%s) LIMIT 5' % TestCases.BASE_SQL self._apply_sampling(Sampling.default(fields=[]), expected_sql)
def test_default_custom_fields(self): expected_sql = 'SELECT f1,f2 FROM (%s) LIMIT 5' % TestCases.BASE_SQL self._apply_sampling(Sampling.default(fields=['f1', 'f2']), expected_sql)
def test_default_custom_count(self): expected_sql = 'SELECT * FROM (%s) LIMIT 20' % TestCases.BASE_SQL self._apply_sampling(Sampling.default(count=20), expected_sql)
