def test_count(self):
ss = SelectStatement('table', count=True, limit=10, order_by='d')
ss.add_where(Column(db_field='a'), EqualsOperator(), 'b')
self.assertEqual(
six.text_type(ss),
'SELECT COUNT(*) FROM table WHERE "a" = %(0)s LIMIT 10',
six.text_type(ss))
self.assertIn('LIMIT', six.text_type(ss))
self.assertNotIn('ORDER', six.text_type(ss))
def test_count(self):
ss = SelectStatement("table", count=True, limit=10, order_by="d")
ss.add_where(Column(db_field="a"), EqualsOperator(), "b")
self.assertEqual(
six.text_type(ss),
'SELECT COUNT(*) FROM table WHERE "a" = %(0)s LIMIT 10',
six.text_type(ss),
)
self.assertIn("LIMIT", six.text_type(ss))
self.assertNotIn("ORDER", six.text_type(ss))
def test_limit_rendering(self):
ss = SelectStatement("table", None, limit=10)
qstr = six.text_type(ss)
self.assertIn("LIMIT 10", qstr)
ss = SelectStatement("table", None, limit=0)
qstr = six.text_type(ss)
self.assertNotIn("LIMIT", qstr)
ss = SelectStatement("table", None, limit=None)
qstr = six.text_type(ss)
self.assertNotIn("LIMIT", qstr)
def test_field_rendering(self):
""" tests that fields are properly added to the select statement """
ss = SelectStatement('table', ['f1', 'f2'])
self.assertTrue(
six.text_type(ss).startswith('SELECT "f1", "f2"'),
six.text_type(ss))
self.assertTrue(str(ss).startswith('SELECT "f1", "f2"'), str(ss))
def test_context_id_update(self):
""" tests that the right things happen the the context id """
ss = SelectStatement("table")
ss.add_where(Column(db_field="a"), EqualsOperator(), "b")
self.assertEqual(ss.get_context(), {"0": "b"})
self.assertEqual(str(ss), 'SELECT * FROM table WHERE "a" = %(0)s')
ss.update_context_id(5)
self.assertEqual(ss.get_context(), {"5": "b"})
self.assertEqual(str(ss), 'SELECT * FROM table WHERE "a" = %(5)s')
def test_distinct(self):
ss = SelectStatement('table', distinct_fields=['field2'])
ss.add_where(Column(db_field='field1'), EqualsOperator(), 'b')
self.assertEqual(six.text_type(ss), 'SELECT DISTINCT "field2" FROM table WHERE "field1" = %(0)s', six.text_type(ss))
ss = SelectStatement('table', distinct_fields=['field1', 'field2'])
self.assertEqual(six.text_type(ss), 'SELECT DISTINCT "field1", "field2" FROM table')
ss = SelectStatement('table', distinct_fields=['field1'], count=True)
self.assertEqual(six.text_type(ss), 'SELECT DISTINCT COUNT("field1") FROM table')
def test_additional_rendering(self):
ss = SelectStatement('table',
None,
order_by=['x', 'y'],
limit=15,
allow_filtering=True)
qstr = six.text_type(ss)
self.assertIn('LIMIT 15', qstr)
self.assertIn('ORDER BY x, y', qstr)
self.assertIn('ALLOW FILTERING', qstr)
def _select_query(self):
"""
Returns a select clause based on the given filter args
"""
if self._where:
self._validate_select_where()
return SelectStatement(
self.column_family_name,
fields=self._select_fields(),
where=self._where,
order_by=self._order,
limit=self._limit,
allow_filtering=self._allow_filtering,
distinct_fields=self._distinct_fields,
fetch_size=self._fetch_size
)
def test_partition_key_index(self):
"""
Test to ensure that statement partition key generation is in the correct order
@since 3.2
@jira_ticket PYTHON-535
@expected_result .
@test_category object_mapper
"""
self._check_partition_value_generation(
BasicModel, SelectStatement(BasicModel.__table_name__))
self._check_partition_value_generation(
BasicModel, DeleteStatement(BasicModel.__table_name__))
self._check_partition_value_generation(
BasicModelMulti, SelectStatement(BasicModelMulti.__table_name__))
self._check_partition_value_generation(
BasicModelMulti, DeleteStatement(BasicModelMulti.__table_name__))
self._check_partition_value_generation(
ComplexModelRouting,
SelectStatement(ComplexModelRouting.__table_name__))
self._check_partition_value_generation(
ComplexModelRouting,
DeleteStatement(ComplexModelRouting.__table_name__))
self._check_partition_value_generation(BasicModel,
SelectStatement(
BasicModel.__table_name__),
reverse=True)
self._check_partition_value_generation(BasicModel,
DeleteStatement(
BasicModel.__table_name__),
reverse=True)
self._check_partition_value_generation(
BasicModelMulti,
SelectStatement(BasicModelMulti.__table_name__),
reverse=True)
self._check_partition_value_generation(
BasicModelMulti,
DeleteStatement(BasicModelMulti.__table_name__),
reverse=True)
self._check_partition_value_generation(
ComplexModelRouting,
SelectStatement(ComplexModelRouting.__table_name__),
reverse=True)
self._check_partition_value_generation(
ComplexModelRouting,
DeleteStatement(ComplexModelRouting.__table_name__),
reverse=True)
def test_additional_rendering(self):
ss = SelectStatement("table", None, order_by=["x", "y"], limit=15, allow_filtering=True)
qstr = six.text_type(ss)
self.assertIn("LIMIT 15", qstr)
self.assertIn("ORDER BY x, y", qstr)
self.assertIn("ALLOW FILTERING", qstr)
def test_context(self):
ss = SelectStatement("table")
ss.add_where(Column(db_field="a"), EqualsOperator(), "b")
self.assertEqual(ss.get_context(), {"0": "b"})
def test_where_clause_rendering(self):
ss = SelectStatement("table")
ss.add_where(Column(db_field="a"), EqualsOperator(), "b")
self.assertEqual(
six.text_type(ss), 'SELECT * FROM table WHERE "a" = %(0)s', six.text_type(ss)
)
def test_table_rendering(self):
ss = SelectStatement("table")
self.assertTrue(six.text_type(ss).startswith("SELECT * FROM table"), six.text_type(ss))
self.assertTrue(str(ss).startswith("SELECT * FROM table"), str(ss))
def test_none_fields_rendering(self):
""" tests that a '*' is added if no fields are passed in """
ss = SelectStatement("table")
self.assertTrue(six.text_type(ss).startswith("SELECT *"), six.text_type(ss))
self.assertTrue(str(ss).startswith("SELECT *"), str(ss))
def test_single_field_is_listified(self):
""" tests that passing a string field into the constructor puts it into a list """
ss = SelectStatement("table", "field")
self.assertEqual(ss.fields, ["field"])
def test_context(self):
ss = SelectStatement('table')
ss.add_where(Column(db_field='a'), EqualsOperator(), 'b')
self.assertEqual(ss.get_context(), {'0': 'b'})