514 lines
16 KiB
Python
514 lines
16 KiB
Python
from .. import fixtures, config
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from ..assertions import eq_
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from sqlalchemy import util
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from sqlalchemy import Integer, String, select, func, bindparam, union, tuple_
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from sqlalchemy import testing
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from sqlalchemy import literal_column
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from ..schema import Table, Column
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class CollateTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('data', String(100))
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)
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "data": "collate data1"},
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{"id": 2, "data": "collate data2"},
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]
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)
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def _assert_result(self, select, result):
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eq_(
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config.db.execute(select).fetchall(),
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result
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)
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@testing.requires.order_by_collation
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def test_collate_order_by(self):
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collation = testing.requires.get_order_by_collation(testing.config)
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self._assert_result(
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select([self.tables.some_table]).
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order_by(self.tables.some_table.c.data.collate(collation).asc()),
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[
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(1, "collate data1"),
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(2, "collate data2"),
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]
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)
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class OrderByLabelTest(fixtures.TablesTest):
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"""Test the dialect sends appropriate ORDER BY expressions when
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labels are used.
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This essentially exercises the "supports_simple_order_by_label"
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setting.
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"""
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('x', Integer),
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Column('y', Integer),
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Column('q', String(50)),
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Column('p', String(50))
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)
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "x": 1, "y": 2, "q": "q1", "p": "p3"},
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{"id": 2, "x": 2, "y": 3, "q": "q2", "p": "p2"},
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{"id": 3, "x": 3, "y": 4, "q": "q3", "p": "p1"},
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]
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)
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def _assert_result(self, select, result):
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eq_(
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config.db.execute(select).fetchall(),
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result
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)
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def test_plain(self):
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table = self.tables.some_table
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lx = table.c.x.label('lx')
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self._assert_result(
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select([lx]).order_by(lx),
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[(1, ), (2, ), (3, )]
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)
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def test_composed_int(self):
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table = self.tables.some_table
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lx = (table.c.x + table.c.y).label('lx')
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self._assert_result(
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select([lx]).order_by(lx),
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[(3, ), (5, ), (7, )]
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)
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def test_composed_multiple(self):
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table = self.tables.some_table
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lx = (table.c.x + table.c.y).label('lx')
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ly = (func.lower(table.c.q) + table.c.p).label('ly')
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self._assert_result(
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select([lx, ly]).order_by(lx, ly.desc()),
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[(3, util.u('q1p3')), (5, util.u('q2p2')), (7, util.u('q3p1'))]
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)
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def test_plain_desc(self):
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table = self.tables.some_table
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lx = table.c.x.label('lx')
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self._assert_result(
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select([lx]).order_by(lx.desc()),
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[(3, ), (2, ), (1, )]
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)
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def test_composed_int_desc(self):
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table = self.tables.some_table
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lx = (table.c.x + table.c.y).label('lx')
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self._assert_result(
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select([lx]).order_by(lx.desc()),
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[(7, ), (5, ), (3, )]
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)
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@testing.requires.group_by_complex_expression
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def test_group_by_composed(self):
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table = self.tables.some_table
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expr = (table.c.x + table.c.y).label('lx')
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stmt = select([func.count(table.c.id), expr]).group_by(expr).order_by(expr)
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self._assert_result(
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stmt,
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[(1, 3), (1, 5), (1, 7)]
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)
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class LimitOffsetTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('x', Integer),
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Column('y', Integer))
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "x": 1, "y": 2},
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{"id": 2, "x": 2, "y": 3},
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{"id": 3, "x": 3, "y": 4},
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{"id": 4, "x": 4, "y": 5},
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]
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)
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def _assert_result(self, select, result, params=()):
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eq_(
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config.db.execute(select, params).fetchall(),
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result
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)
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def test_simple_limit(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).limit(2),
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[(1, 1, 2), (2, 2, 3)]
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)
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@testing.requires.offset
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def test_simple_offset(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).offset(2),
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[(3, 3, 4), (4, 4, 5)]
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)
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@testing.requires.offset
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def test_simple_limit_offset(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).limit(2).offset(1),
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[(2, 2, 3), (3, 3, 4)]
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)
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@testing.requires.offset
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def test_limit_offset_nobinds(self):
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"""test that 'literal binds' mode works - no bound params."""
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table = self.tables.some_table
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stmt = select([table]).order_by(table.c.id).limit(2).offset(1)
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sql = stmt.compile(
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dialect=config.db.dialect,
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compile_kwargs={"literal_binds": True})
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sql = str(sql)
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self._assert_result(
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sql,
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[(2, 2, 3), (3, 3, 4)]
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)
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@testing.requires.bound_limit_offset
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def test_bound_limit(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).limit(bindparam('l')),
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[(1, 1, 2), (2, 2, 3)],
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params={"l": 2}
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)
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@testing.requires.bound_limit_offset
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def test_bound_offset(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).offset(bindparam('o')),
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[(3, 3, 4), (4, 4, 5)],
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params={"o": 2}
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)
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@testing.requires.bound_limit_offset
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def test_bound_limit_offset(self):
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table = self.tables.some_table
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self._assert_result(
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select([table]).order_by(table.c.id).
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limit(bindparam("l")).offset(bindparam("o")),
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[(2, 2, 3), (3, 3, 4)],
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params={"l": 2, "o": 1}
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)
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class CompoundSelectTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('x', Integer),
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Column('y', Integer))
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "x": 1, "y": 2},
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{"id": 2, "x": 2, "y": 3},
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{"id": 3, "x": 3, "y": 4},
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{"id": 4, "x": 4, "y": 5},
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]
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)
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def _assert_result(self, select, result, params=()):
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eq_(
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config.db.execute(select, params).fetchall(),
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result
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)
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def test_plain_union(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2)
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s2 = select([table]).where(table.c.id == 3)
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u1 = union(s1, s2)
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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def test_select_from_plain_union(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2)
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s2 = select([table]).where(table.c.id == 3)
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u1 = union(s1, s2).alias().select()
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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@testing.requires.order_by_col_from_union
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@testing.requires.parens_in_union_contained_select_w_limit_offset
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def test_limit_offset_selectable_in_unions(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2).\
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limit(1).order_by(table.c.id)
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s2 = select([table]).where(table.c.id == 3).\
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limit(1).order_by(table.c.id)
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u1 = union(s1, s2).limit(2)
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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@testing.requires.parens_in_union_contained_select_wo_limit_offset
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def test_order_by_selectable_in_unions(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2).\
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order_by(table.c.id)
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s2 = select([table]).where(table.c.id == 3).\
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order_by(table.c.id)
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u1 = union(s1, s2).limit(2)
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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def test_distinct_selectable_in_unions(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2).\
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distinct()
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s2 = select([table]).where(table.c.id == 3).\
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distinct()
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u1 = union(s1, s2).limit(2)
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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@testing.requires.parens_in_union_contained_select_w_limit_offset
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def test_limit_offset_in_unions_from_alias(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2).\
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limit(1).order_by(table.c.id)
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s2 = select([table]).where(table.c.id == 3).\
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limit(1).order_by(table.c.id)
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# this necessarily has double parens
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u1 = union(s1, s2).alias()
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self._assert_result(
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u1.select().limit(2).order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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def test_limit_offset_aliased_selectable_in_unions(self):
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table = self.tables.some_table
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s1 = select([table]).where(table.c.id == 2).\
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limit(1).order_by(table.c.id).alias().select()
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s2 = select([table]).where(table.c.id == 3).\
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limit(1).order_by(table.c.id).alias().select()
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u1 = union(s1, s2).limit(2)
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self._assert_result(
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u1.order_by(u1.c.id),
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[(2, 2, 3), (3, 3, 4)]
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)
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class ExpandingBoundInTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('x', Integer),
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Column('y', Integer))
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "x": 1, "y": 2},
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{"id": 2, "x": 2, "y": 3},
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{"id": 3, "x": 3, "y": 4},
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{"id": 4, "x": 4, "y": 5},
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]
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)
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def _assert_result(self, select, result, params=()):
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eq_(
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config.db.execute(select, params).fetchall(),
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result
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)
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def test_bound_in_scalar(self):
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table = self.tables.some_table
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stmt = select([table.c.id]).where(
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table.c.x.in_(bindparam('q', expanding=True))).order_by(table.c.id)
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self._assert_result(
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stmt,
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[(2, ), (3, ), (4, )],
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params={"q": [2, 3, 4]},
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)
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@testing.requires.tuple_in
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def test_bound_in_two_tuple(self):
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table = self.tables.some_table
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stmt = select([table.c.id]).where(
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tuple_(table.c.x, table.c.y).in_(bindparam('q', expanding=True))).order_by(table.c.id)
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self._assert_result(
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stmt,
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[(2, ), (3, ), (4, )],
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params={"q": [(2, 3), (3, 4), (4, 5)]},
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)
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class LikeFunctionsTest(fixtures.TablesTest):
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__backend__ = True
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run_inserts = 'once'
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run_deletes = None
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@classmethod
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def define_tables(cls, metadata):
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Table("some_table", metadata,
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Column('id', Integer, primary_key=True),
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Column('data', String(50)))
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.some_table.insert(),
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[
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{"id": 1, "data": "abcdefg"},
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{"id": 2, "data": "ab/cdefg"},
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{"id": 3, "data": "ab%cdefg"},
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{"id": 4, "data": "ab_cdefg"},
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{"id": 5, "data": "abcde/fg"},
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{"id": 6, "data": "abcde%fg"},
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{"id": 7, "data": "ab#cdefg"},
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{"id": 8, "data": "ab9cdefg"},
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{"id": 9, "data": "abcde#fg"},
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{"id": 10, "data": "abcd9fg"},
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]
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)
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def _test(self, expr, expected):
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some_table = self.tables.some_table
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with config.db.connect() as conn:
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rows = {
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value for value, in
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conn.execute(select([some_table.c.id]).where(expr))
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}
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eq_(rows, expected)
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def test_startswith_unescaped(self):
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col = self.tables.some_table.c.data
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self._test(col.startswith("ab%c"), {1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
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def test_startswith_autoescape(self):
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col = self.tables.some_table.c.data
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self._test(col.startswith("ab%c", autoescape=True), {3})
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def test_startswith_sqlexpr(self):
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col = self.tables.some_table.c.data
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self._test(
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col.startswith(literal_column("'ab%c'")),
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{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
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def test_startswith_escape(self):
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col = self.tables.some_table.c.data
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self._test(col.startswith("ab##c", escape="#"), {7})
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def test_startswith_autoescape_escape(self):
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col = self.tables.some_table.c.data
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self._test(col.startswith("ab%c", autoescape=True, escape="#"), {3})
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self._test(col.startswith("ab#c", autoescape=True, escape="#"), {7})
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def test_endswith_unescaped(self):
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col = self.tables.some_table.c.data
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self._test(col.endswith("e%fg"), {1, 2, 3, 4, 5, 6, 7, 8, 9})
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def test_endswith_sqlexpr(self):
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col = self.tables.some_table.c.data
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self._test(col.endswith(literal_column("'e%fg'")),
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{1, 2, 3, 4, 5, 6, 7, 8, 9})
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def test_endswith_autoescape(self):
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col = self.tables.some_table.c.data
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self._test(col.endswith("e%fg", autoescape=True), {6})
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def test_endswith_escape(self):
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col = self.tables.some_table.c.data
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self._test(col.endswith("e##fg", escape="#"), {9})
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def test_endswith_autoescape_escape(self):
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col = self.tables.some_table.c.data
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self._test(col.endswith("e%fg", autoescape=True, escape="#"), {6})
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self._test(col.endswith("e#fg", autoescape=True, escape="#"), {9})
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def test_contains_unescaped(self):
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col = self.tables.some_table.c.data
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self._test(col.contains("b%cde"), {1, 2, 3, 4, 5, 6, 7, 8, 9})
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def test_contains_autoescape(self):
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col = self.tables.some_table.c.data
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self._test(col.contains("b%cde", autoescape=True), {3})
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def test_contains_escape(self):
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col = self.tables.some_table.c.data
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self._test(col.contains("b##cde", escape="#"), {7})
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def test_contains_autoescape_escape(self):
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col = self.tables.some_table.c.data
|
|
self._test(col.contains("b%cd", autoescape=True, escape="#"), {3})
|
|
self._test(col.contains("b#cd", autoescape=True, escape="#"), {7})
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