1683 lines
51 KiB
Python
1683 lines
51 KiB
Python
import itertools
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from .. import AssertsCompiledSQL
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from .. import AssertsExecutionResults
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from .. import config
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from .. import fixtures
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from ..assertions import assert_raises
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from ..assertions import eq_
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from ..assertions import in_
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from ..assertsql import CursorSQL
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from ..schema import Column
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from ..schema import Table
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from ... import bindparam
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from ... import case
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from ... import column
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from ... import Computed
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from ... import exists
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from ... import false
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from ... import ForeignKey
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from ... import func
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from ... import Identity
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from ... import Integer
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from ... import literal
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from ... import literal_column
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from ... import null
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from ... import select
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from ... import String
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from ... import table
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from ... import testing
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from ... import text
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from ... import true
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from ... import tuple_
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from ... import union
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from ... import util
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from ... import values
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from ...exc import DatabaseError
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from ...exc import ProgrammingError
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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(
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"some_table",
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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, connection):
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connection.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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with config.db.connect() as conn:
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eq_(conn.execute(select).fetchall(), result)
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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).order_by(
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self.tables.some_table.c.data.collate(collation).asc()
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),
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[(1, "collate data1"), (2, "collate data2")],
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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(
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"some_table",
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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, connection):
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connection.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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with config.db.connect() as conn:
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eq_(conn.execute(select).fetchall(), result)
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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(select(lx).order_by(lx), [(1,), (2,), (3,)])
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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(select(lx).order_by(lx), [(3,), (5,), (7,)])
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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(select(lx).order_by(lx.desc()), [(3,), (2,), (1,)])
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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(select(lx).order_by(lx.desc()), [(7,), (5,), (3,)])
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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 = (
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select(func.count(table.c.id), expr).group_by(expr).order_by(expr)
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)
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self._assert_result(stmt, [(1, 3), (1, 5), (1, 7)])
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class ValuesExpressionTest(fixtures.TestBase):
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__requires__ = ("table_value_constructor",)
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__backend__ = True
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def test_tuples(self, connection):
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value_expr = values(
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column("id", Integer), column("name", String), name="my_values"
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).data([(1, "name1"), (2, "name2"), (3, "name3")])
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eq_(
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connection.execute(select(value_expr)).all(),
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[(1, "name1"), (2, "name2"), (3, "name3")],
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)
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class FetchLimitOffsetTest(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(
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"some_table",
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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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)
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@classmethod
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def insert_data(cls, connection):
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connection.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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{"id": 5, "x": 4, "y": 6},
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],
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)
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def _assert_result(
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self, connection, select, result, params=(), set_=False
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):
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if set_:
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query_res = connection.execute(select, params).fetchall()
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eq_(len(query_res), len(result))
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eq_(set(query_res), set(result))
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else:
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eq_(connection.execute(select, params).fetchall(), result)
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def _assert_result_str(self, select, result, params=()):
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conn = config.db.connect(close_with_result=True)
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eq_(conn.exec_driver_sql(select, params).fetchall(), result)
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def test_simple_limit(self, connection):
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table = self.tables.some_table
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stmt = select(table).order_by(table.c.id)
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self._assert_result(
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connection,
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stmt.limit(2),
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[(1, 1, 2), (2, 2, 3)],
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)
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self._assert_result(
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connection,
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stmt.limit(3),
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[(1, 1, 2), (2, 2, 3), (3, 3, 4)],
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)
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def test_limit_render_multiple_times(self, connection):
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table = self.tables.some_table
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stmt = select(table.c.id).limit(1).scalar_subquery()
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u = union(select(stmt), select(stmt)).subquery().select()
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self._assert_result(
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connection,
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u,
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[
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(1,),
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],
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)
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@testing.requires.fetch_first
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def test_simple_fetch(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).fetch(2),
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[(1, 1, 2), (2, 2, 3)],
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)
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).fetch(3),
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[(1, 1, 2), (2, 2, 3), (3, 3, 4)],
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)
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@testing.requires.offset
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def test_simple_offset(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(2),
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[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
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)
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(3),
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[(4, 4, 5), (5, 4, 6)],
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)
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@testing.combinations(
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([(2, 0), (2, 1), (3, 2)]),
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([(2, 1), (2, 0), (3, 2)]),
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([(3, 1), (2, 1), (3, 1)]),
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argnames="cases",
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)
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@testing.requires.offset
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def test_simple_limit_offset(self, connection, cases):
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table = self.tables.some_table
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connection = connection.execution_options(compiled_cache={})
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assert_data = [(1, 1, 2), (2, 2, 3), (3, 3, 4), (4, 4, 5), (5, 4, 6)]
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for limit, offset in cases:
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expected = assert_data[offset : offset + limit]
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).limit(limit).offset(offset),
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expected,
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)
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@testing.requires.fetch_first
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def test_simple_fetch_offset(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).fetch(2).offset(1),
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[(2, 2, 3), (3, 3, 4)],
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)
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).fetch(3).offset(2),
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[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
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)
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@testing.requires.fetch_no_order_by
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def test_fetch_offset_no_order(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).fetch(10),
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[(1, 1, 2), (2, 2, 3), (3, 3, 4), (4, 4, 5), (5, 4, 6)],
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set_=True,
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)
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@testing.requires.offset
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def test_simple_offset_zero(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(0),
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[(1, 1, 2), (2, 2, 3), (3, 3, 4), (4, 4, 5), (5, 4, 6)],
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)
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(1),
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[(2, 2, 3), (3, 3, 4), (4, 4, 5), (5, 4, 6)],
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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, compile_kwargs={"literal_binds": True}
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)
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sql = str(sql)
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self._assert_result_str(sql, [(2, 2, 3), (3, 3, 4)])
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@testing.requires.fetch_first
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def test_fetch_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).fetch(2).offset(1)
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sql = stmt.compile(
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dialect=config.db.dialect, compile_kwargs={"literal_binds": True}
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)
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sql = str(sql)
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self._assert_result_str(sql, [(2, 2, 3), (3, 3, 4)])
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@testing.requires.bound_limit_offset
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def test_bound_limit(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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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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self._assert_result(
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connection,
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select(table).order_by(table.c.id).limit(bindparam("l")),
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[(1, 1, 2), (2, 2, 3), (3, 3, 4)],
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params={"l": 3},
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)
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@testing.requires.bound_limit_offset
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def test_bound_offset(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(bindparam("o")),
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[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
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params={"o": 2},
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)
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self._assert_result(
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connection,
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select(table).order_by(table.c.id).offset(bindparam("o")),
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[(2, 2, 3), (3, 3, 4), (4, 4, 5), (5, 4, 6)],
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params={"o": 1},
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)
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@testing.requires.bound_limit_offset
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def test_bound_limit_offset(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table)
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.order_by(table.c.id)
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.limit(bindparam("l"))
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.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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self._assert_result(
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connection,
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select(table)
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.order_by(table.c.id)
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.limit(bindparam("l"))
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.offset(bindparam("o")),
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[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
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params={"l": 3, "o": 2},
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)
|
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|
|
@testing.requires.fetch_first
|
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def test_bound_fetch_offset(self, connection):
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table = self.tables.some_table
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self._assert_result(
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connection,
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select(table)
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.order_by(table.c.id)
|
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.fetch(bindparam("f"))
|
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.offset(bindparam("o")),
|
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[(2, 2, 3), (3, 3, 4)],
|
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params={"f": 2, "o": 1},
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)
|
|
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.fetch(bindparam("f"))
|
|
.offset(bindparam("o")),
|
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[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
|
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params={"f": 3, "o": 2},
|
|
)
|
|
|
|
@testing.requires.sql_expression_limit_offset
|
|
def test_expr_offset(self, connection):
|
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table = self.tables.some_table
|
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self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.offset(literal_column("1") + literal_column("2")),
|
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[(4, 4, 5), (5, 4, 6)],
|
|
)
|
|
|
|
@testing.requires.sql_expression_limit_offset
|
|
def test_expr_limit(self, connection):
|
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table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(literal_column("1") + literal_column("2")),
|
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[(1, 1, 2), (2, 2, 3), (3, 3, 4)],
|
|
)
|
|
|
|
@testing.requires.sql_expression_limit_offset
|
|
def test_expr_limit_offset(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(literal_column("1") + literal_column("1"))
|
|
.offset(literal_column("1") + literal_column("1")),
|
|
[(3, 3, 4), (4, 4, 5)],
|
|
)
|
|
|
|
@testing.requires.fetch_first
|
|
def test_expr_fetch_offset(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.fetch(literal_column("1") + literal_column("1"))
|
|
.offset(literal_column("1") + literal_column("1")),
|
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[(3, 3, 4), (4, 4, 5)],
|
|
)
|
|
|
|
@testing.requires.sql_expression_limit_offset
|
|
def test_simple_limit_expr_offset(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(2)
|
|
.offset(literal_column("1") + literal_column("1")),
|
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[(3, 3, 4), (4, 4, 5)],
|
|
)
|
|
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(3)
|
|
.offset(literal_column("1") + literal_column("1")),
|
|
[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
|
|
)
|
|
|
|
@testing.requires.sql_expression_limit_offset
|
|
def test_expr_limit_simple_offset(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(literal_column("1") + literal_column("1"))
|
|
.offset(2),
|
|
[(3, 3, 4), (4, 4, 5)],
|
|
)
|
|
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.limit(literal_column("1") + literal_column("1"))
|
|
.offset(1),
|
|
[(2, 2, 3), (3, 3, 4)],
|
|
)
|
|
|
|
@testing.requires.fetch_ties
|
|
def test_simple_fetch_ties(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table).order_by(table.c.x.desc()).fetch(1, with_ties=True),
|
|
[(4, 4, 5), (5, 4, 6)],
|
|
set_=True,
|
|
)
|
|
|
|
self._assert_result(
|
|
connection,
|
|
select(table).order_by(table.c.x.desc()).fetch(3, with_ties=True),
|
|
[(3, 3, 4), (4, 4, 5), (5, 4, 6)],
|
|
set_=True,
|
|
)
|
|
|
|
@testing.requires.fetch_ties
|
|
@testing.requires.fetch_offset_with_options
|
|
def test_fetch_offset_ties(self, connection):
|
|
table = self.tables.some_table
|
|
fa = connection.execute(
|
|
select(table)
|
|
.order_by(table.c.x)
|
|
.fetch(2, with_ties=True)
|
|
.offset(2)
|
|
).fetchall()
|
|
eq_(fa[0], (3, 3, 4))
|
|
eq_(set(fa), set([(3, 3, 4), (4, 4, 5), (5, 4, 6)]))
|
|
|
|
@testing.requires.fetch_ties
|
|
@testing.requires.fetch_offset_with_options
|
|
def test_fetch_offset_ties_exact_number(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.x)
|
|
.fetch(2, with_ties=True)
|
|
.offset(1),
|
|
[(2, 2, 3), (3, 3, 4)],
|
|
)
|
|
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.x)
|
|
.fetch(3, with_ties=True)
|
|
.offset(3),
|
|
[(4, 4, 5), (5, 4, 6)],
|
|
)
|
|
|
|
@testing.requires.fetch_percent
|
|
def test_simple_fetch_percent(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table).order_by(table.c.id).fetch(20, percent=True),
|
|
[(1, 1, 2)],
|
|
)
|
|
|
|
@testing.requires.fetch_percent
|
|
@testing.requires.fetch_offset_with_options
|
|
def test_fetch_offset_percent(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.id)
|
|
.fetch(40, percent=True)
|
|
.offset(1),
|
|
[(2, 2, 3), (3, 3, 4)],
|
|
)
|
|
|
|
@testing.requires.fetch_ties
|
|
@testing.requires.fetch_percent
|
|
def test_simple_fetch_percent_ties(self, connection):
|
|
table = self.tables.some_table
|
|
self._assert_result(
|
|
connection,
|
|
select(table)
|
|
.order_by(table.c.x.desc())
|
|
.fetch(20, percent=True, with_ties=True),
|
|
[(4, 4, 5), (5, 4, 6)],
|
|
set_=True,
|
|
)
|
|
|
|
@testing.requires.fetch_ties
|
|
@testing.requires.fetch_percent
|
|
@testing.requires.fetch_offset_with_options
|
|
def test_fetch_offset_percent_ties(self, connection):
|
|
table = self.tables.some_table
|
|
fa = connection.execute(
|
|
select(table)
|
|
.order_by(table.c.x)
|
|
.fetch(40, percent=True, with_ties=True)
|
|
.offset(2)
|
|
).fetchall()
|
|
eq_(fa[0], (3, 3, 4))
|
|
eq_(set(fa), set([(3, 3, 4), (4, 4, 5), (5, 4, 6)]))
|
|
|
|
|
|
class JoinTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
def _assert_result(self, select, result, params=()):
|
|
with config.db.connect() as conn:
|
|
eq_(conn.execute(select, params).fetchall(), result)
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table("a", metadata, Column("id", Integer, primary_key=True))
|
|
Table(
|
|
"b",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("a_id", ForeignKey("a.id"), nullable=False),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.a.insert(),
|
|
[{"id": 1}, {"id": 2}, {"id": 3}, {"id": 4}, {"id": 5}],
|
|
)
|
|
|
|
connection.execute(
|
|
cls.tables.b.insert(),
|
|
[
|
|
{"id": 1, "a_id": 1},
|
|
{"id": 2, "a_id": 1},
|
|
{"id": 4, "a_id": 2},
|
|
{"id": 5, "a_id": 3},
|
|
],
|
|
)
|
|
|
|
def test_inner_join_fk(self):
|
|
a, b = self.tables("a", "b")
|
|
|
|
stmt = select(a, b).select_from(a.join(b)).order_by(a.c.id, b.c.id)
|
|
|
|
self._assert_result(stmt, [(1, 1, 1), (1, 2, 1), (2, 4, 2), (3, 5, 3)])
|
|
|
|
def test_inner_join_true(self):
|
|
a, b = self.tables("a", "b")
|
|
|
|
stmt = (
|
|
select(a, b)
|
|
.select_from(a.join(b, true()))
|
|
.order_by(a.c.id, b.c.id)
|
|
)
|
|
|
|
self._assert_result(
|
|
stmt,
|
|
[
|
|
(a, b, c)
|
|
for (a,), (b, c) in itertools.product(
|
|
[(1,), (2,), (3,), (4,), (5,)],
|
|
[(1, 1), (2, 1), (4, 2), (5, 3)],
|
|
)
|
|
],
|
|
)
|
|
|
|
def test_inner_join_false(self):
|
|
a, b = self.tables("a", "b")
|
|
|
|
stmt = (
|
|
select(a, b)
|
|
.select_from(a.join(b, false()))
|
|
.order_by(a.c.id, b.c.id)
|
|
)
|
|
|
|
self._assert_result(stmt, [])
|
|
|
|
def test_outer_join_false(self):
|
|
a, b = self.tables("a", "b")
|
|
|
|
stmt = (
|
|
select(a, b)
|
|
.select_from(a.outerjoin(b, false()))
|
|
.order_by(a.c.id, b.c.id)
|
|
)
|
|
|
|
self._assert_result(
|
|
stmt,
|
|
[
|
|
(1, None, None),
|
|
(2, None, None),
|
|
(3, None, None),
|
|
(4, None, None),
|
|
(5, None, None),
|
|
],
|
|
)
|
|
|
|
def test_outer_join_fk(self):
|
|
a, b = self.tables("a", "b")
|
|
|
|
stmt = select(a, b).select_from(a.join(b)).order_by(a.c.id, b.c.id)
|
|
|
|
self._assert_result(stmt, [(1, 1, 1), (1, 2, 1), (2, 4, 2), (3, 5, 3)])
|
|
|
|
|
|
class CompoundSelectTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"some_table",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("x", Integer),
|
|
Column("y", Integer),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.some_table.insert(),
|
|
[
|
|
{"id": 1, "x": 1, "y": 2},
|
|
{"id": 2, "x": 2, "y": 3},
|
|
{"id": 3, "x": 3, "y": 4},
|
|
{"id": 4, "x": 4, "y": 5},
|
|
],
|
|
)
|
|
|
|
def _assert_result(self, select, result, params=()):
|
|
with config.db.connect() as conn:
|
|
eq_(conn.execute(select, params).fetchall(), result)
|
|
|
|
def test_plain_union(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2)
|
|
s2 = select(table).where(table.c.id == 3)
|
|
|
|
u1 = union(s1, s2)
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
def test_select_from_plain_union(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2)
|
|
s2 = select(table).where(table.c.id == 3)
|
|
|
|
u1 = union(s1, s2).alias().select()
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
@testing.requires.order_by_col_from_union
|
|
@testing.requires.parens_in_union_contained_select_w_limit_offset
|
|
def test_limit_offset_selectable_in_unions(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2).limit(1).order_by(table.c.id)
|
|
s2 = select(table).where(table.c.id == 3).limit(1).order_by(table.c.id)
|
|
|
|
u1 = union(s1, s2).limit(2)
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
@testing.requires.parens_in_union_contained_select_wo_limit_offset
|
|
def test_order_by_selectable_in_unions(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2).order_by(table.c.id)
|
|
s2 = select(table).where(table.c.id == 3).order_by(table.c.id)
|
|
|
|
u1 = union(s1, s2).limit(2)
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
def test_distinct_selectable_in_unions(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2).distinct()
|
|
s2 = select(table).where(table.c.id == 3).distinct()
|
|
|
|
u1 = union(s1, s2).limit(2)
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
@testing.requires.parens_in_union_contained_select_w_limit_offset
|
|
def test_limit_offset_in_unions_from_alias(self):
|
|
table = self.tables.some_table
|
|
s1 = select(table).where(table.c.id == 2).limit(1).order_by(table.c.id)
|
|
s2 = select(table).where(table.c.id == 3).limit(1).order_by(table.c.id)
|
|
|
|
# this necessarily has double parens
|
|
u1 = union(s1, s2).alias()
|
|
self._assert_result(
|
|
u1.select().limit(2).order_by(u1.c.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
def test_limit_offset_aliased_selectable_in_unions(self):
|
|
table = self.tables.some_table
|
|
s1 = (
|
|
select(table)
|
|
.where(table.c.id == 2)
|
|
.limit(1)
|
|
.order_by(table.c.id)
|
|
.alias()
|
|
.select()
|
|
)
|
|
s2 = (
|
|
select(table)
|
|
.where(table.c.id == 3)
|
|
.limit(1)
|
|
.order_by(table.c.id)
|
|
.alias()
|
|
.select()
|
|
)
|
|
|
|
u1 = union(s1, s2).limit(2)
|
|
self._assert_result(
|
|
u1.order_by(u1.selected_columns.id), [(2, 2, 3), (3, 3, 4)]
|
|
)
|
|
|
|
|
|
class PostCompileParamsTest(
|
|
AssertsExecutionResults, AssertsCompiledSQL, fixtures.TablesTest
|
|
):
|
|
__backend__ = True
|
|
|
|
__requires__ = ("standard_cursor_sql",)
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"some_table",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("x", Integer),
|
|
Column("y", Integer),
|
|
Column("z", String(50)),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.some_table.insert(),
|
|
[
|
|
{"id": 1, "x": 1, "y": 2, "z": "z1"},
|
|
{"id": 2, "x": 2, "y": 3, "z": "z2"},
|
|
{"id": 3, "x": 3, "y": 4, "z": "z3"},
|
|
{"id": 4, "x": 4, "y": 5, "z": "z4"},
|
|
],
|
|
)
|
|
|
|
def test_compile(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
table.c.x == bindparam("q", literal_execute=True)
|
|
)
|
|
|
|
self.assert_compile(
|
|
stmt,
|
|
"SELECT some_table.id FROM some_table "
|
|
"WHERE some_table.x = [POSTCOMPILE_q]",
|
|
{},
|
|
)
|
|
|
|
def test_compile_literal_binds(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
table.c.x == bindparam("q", 10, literal_execute=True)
|
|
)
|
|
|
|
self.assert_compile(
|
|
stmt,
|
|
"SELECT some_table.id FROM some_table WHERE some_table.x = 10",
|
|
{},
|
|
literal_binds=True,
|
|
)
|
|
|
|
def test_execute(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
table.c.x == bindparam("q", literal_execute=True)
|
|
)
|
|
|
|
with self.sql_execution_asserter() as asserter:
|
|
with config.db.connect() as conn:
|
|
conn.execute(stmt, dict(q=10))
|
|
|
|
asserter.assert_(
|
|
CursorSQL(
|
|
"SELECT some_table.id \nFROM some_table "
|
|
"\nWHERE some_table.x = 10",
|
|
() if config.db.dialect.positional else {},
|
|
)
|
|
)
|
|
|
|
def test_execute_expanding_plus_literal_execute(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
table.c.x.in_(bindparam("q", expanding=True, literal_execute=True))
|
|
)
|
|
|
|
with self.sql_execution_asserter() as asserter:
|
|
with config.db.connect() as conn:
|
|
conn.execute(stmt, dict(q=[5, 6, 7]))
|
|
|
|
asserter.assert_(
|
|
CursorSQL(
|
|
"SELECT some_table.id \nFROM some_table "
|
|
"\nWHERE some_table.x IN (5, 6, 7)",
|
|
() if config.db.dialect.positional else {},
|
|
)
|
|
)
|
|
|
|
@testing.requires.tuple_in
|
|
def test_execute_tuple_expanding_plus_literal_execute(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
tuple_(table.c.x, table.c.y).in_(
|
|
bindparam("q", expanding=True, literal_execute=True)
|
|
)
|
|
)
|
|
|
|
with self.sql_execution_asserter() as asserter:
|
|
with config.db.connect() as conn:
|
|
conn.execute(stmt, dict(q=[(5, 10), (12, 18)]))
|
|
|
|
asserter.assert_(
|
|
CursorSQL(
|
|
"SELECT some_table.id \nFROM some_table "
|
|
"\nWHERE (some_table.x, some_table.y) "
|
|
"IN (%s(5, 10), (12, 18))"
|
|
% ("VALUES " if config.db.dialect.tuple_in_values else ""),
|
|
() if config.db.dialect.positional else {},
|
|
)
|
|
)
|
|
|
|
@testing.requires.tuple_in
|
|
def test_execute_tuple_expanding_plus_literal_heterogeneous_execute(self):
|
|
table = self.tables.some_table
|
|
|
|
stmt = select(table.c.id).where(
|
|
tuple_(table.c.x, table.c.z).in_(
|
|
bindparam("q", expanding=True, literal_execute=True)
|
|
)
|
|
)
|
|
|
|
with self.sql_execution_asserter() as asserter:
|
|
with config.db.connect() as conn:
|
|
conn.execute(stmt, dict(q=[(5, "z1"), (12, "z3")]))
|
|
|
|
asserter.assert_(
|
|
CursorSQL(
|
|
"SELECT some_table.id \nFROM some_table "
|
|
"\nWHERE (some_table.x, some_table.z) "
|
|
"IN (%s(5, 'z1'), (12, 'z3'))"
|
|
% ("VALUES " if config.db.dialect.tuple_in_values else ""),
|
|
() if config.db.dialect.positional else {},
|
|
)
|
|
)
|
|
|
|
|
|
class ExpandingBoundInTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"some_table",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("x", Integer),
|
|
Column("y", Integer),
|
|
Column("z", String(50)),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.some_table.insert(),
|
|
[
|
|
{"id": 1, "x": 1, "y": 2, "z": "z1"},
|
|
{"id": 2, "x": 2, "y": 3, "z": "z2"},
|
|
{"id": 3, "x": 3, "y": 4, "z": "z3"},
|
|
{"id": 4, "x": 4, "y": 5, "z": "z4"},
|
|
],
|
|
)
|
|
|
|
def _assert_result(self, select, result, params=()):
|
|
with config.db.connect() as conn:
|
|
eq_(conn.execute(select, params).fetchall(), result)
|
|
|
|
def test_multiple_empty_sets_bindparam(self):
|
|
# test that any anonymous aliasing used by the dialect
|
|
# is fine with duplicates
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_(bindparam("q")))
|
|
.where(table.c.y.in_(bindparam("p")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [], params={"q": [], "p": []})
|
|
|
|
def test_multiple_empty_sets_direct(self):
|
|
# test that any anonymous aliasing used by the dialect
|
|
# is fine with duplicates
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_([]))
|
|
.where(table.c.y.in_([]))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [])
|
|
|
|
@testing.requires.tuple_in_w_empty
|
|
def test_empty_heterogeneous_tuples_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.z).in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [], params={"q": []})
|
|
|
|
@testing.requires.tuple_in_w_empty
|
|
def test_empty_heterogeneous_tuples_direct(self):
|
|
table = self.tables.some_table
|
|
|
|
def go(val, expected):
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.z).in_(val))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, expected)
|
|
|
|
go([], [])
|
|
go([(2, "z2"), (3, "z3"), (4, "z4")], [(2,), (3,), (4,)])
|
|
go([], [])
|
|
|
|
@testing.requires.tuple_in_w_empty
|
|
def test_empty_homogeneous_tuples_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.y).in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [], params={"q": []})
|
|
|
|
@testing.requires.tuple_in_w_empty
|
|
def test_empty_homogeneous_tuples_direct(self):
|
|
table = self.tables.some_table
|
|
|
|
def go(val, expected):
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.y).in_(val))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, expected)
|
|
|
|
go([], [])
|
|
go([(1, 2), (2, 3), (3, 4)], [(1,), (2,), (3,)])
|
|
go([], [])
|
|
|
|
def test_bound_in_scalar_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(2,), (3,), (4,)], params={"q": [2, 3, 4]})
|
|
|
|
def test_bound_in_scalar_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_([2, 3, 4]))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(2,), (3,), (4,)])
|
|
|
|
def test_nonempty_in_plus_empty_notin(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_([2, 3]))
|
|
.where(table.c.id.not_in([]))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(2,), (3,)])
|
|
|
|
def test_empty_in_plus_notempty_notin(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_([]))
|
|
.where(table.c.id.not_in([2, 3]))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [])
|
|
|
|
@testing.requires.tuple_in
|
|
def test_bound_in_two_tuple_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.y).in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(
|
|
stmt, [(2,), (3,), (4,)], params={"q": [(2, 3), (3, 4), (4, 5)]}
|
|
)
|
|
|
|
@testing.requires.tuple_in
|
|
def test_bound_in_two_tuple_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.y).in_([(2, 3), (3, 4), (4, 5)]))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(2,), (3,), (4,)])
|
|
|
|
@testing.requires.tuple_in
|
|
def test_bound_in_heterogeneous_two_tuple_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(tuple_(table.c.x, table.c.z).in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(
|
|
stmt,
|
|
[(2,), (3,), (4,)],
|
|
params={"q": [(2, "z2"), (3, "z3"), (4, "z4")]},
|
|
)
|
|
|
|
@testing.requires.tuple_in
|
|
def test_bound_in_heterogeneous_two_tuple_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(
|
|
tuple_(table.c.x, table.c.z).in_(
|
|
[(2, "z2"), (3, "z3"), (4, "z4")]
|
|
)
|
|
)
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(
|
|
stmt,
|
|
[(2,), (3,), (4,)],
|
|
)
|
|
|
|
@testing.requires.tuple_in
|
|
def test_bound_in_heterogeneous_two_tuple_text_bindparam(self):
|
|
# note this becomes ARRAY if we dont use expanding
|
|
# explicitly right now
|
|
stmt = text(
|
|
"select id FROM some_table WHERE (x, z) IN :q ORDER BY id"
|
|
).bindparams(bindparam("q", expanding=True))
|
|
self._assert_result(
|
|
stmt,
|
|
[(2,), (3,), (4,)],
|
|
params={"q": [(2, "z2"), (3, "z3"), (4, "z4")]},
|
|
)
|
|
|
|
def test_empty_set_against_integer_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [], params={"q": []})
|
|
|
|
def test_empty_set_against_integer_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = select(table.c.id).where(table.c.x.in_([])).order_by(table.c.id)
|
|
self._assert_result(stmt, [])
|
|
|
|
def test_empty_set_against_integer_negation_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.x.not_in(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(1,), (2,), (3,), (4,)], params={"q": []})
|
|
|
|
def test_empty_set_against_integer_negation_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id).where(table.c.x.not_in([])).order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(1,), (2,), (3,), (4,)])
|
|
|
|
def test_empty_set_against_string_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.z.in_(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [], params={"q": []})
|
|
|
|
def test_empty_set_against_string_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = select(table.c.id).where(table.c.z.in_([])).order_by(table.c.id)
|
|
self._assert_result(stmt, [])
|
|
|
|
def test_empty_set_against_string_negation_bindparam(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id)
|
|
.where(table.c.z.not_in(bindparam("q")))
|
|
.order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(1,), (2,), (3,), (4,)], params={"q": []})
|
|
|
|
def test_empty_set_against_string_negation_direct(self):
|
|
table = self.tables.some_table
|
|
stmt = (
|
|
select(table.c.id).where(table.c.z.not_in([])).order_by(table.c.id)
|
|
)
|
|
self._assert_result(stmt, [(1,), (2,), (3,), (4,)])
|
|
|
|
def test_null_in_empty_set_is_false_bindparam(self, connection):
|
|
stmt = select(
|
|
case(
|
|
[
|
|
(
|
|
null().in_(bindparam("foo", value=())),
|
|
true(),
|
|
)
|
|
],
|
|
else_=false(),
|
|
)
|
|
)
|
|
in_(connection.execute(stmt).fetchone()[0], (False, 0))
|
|
|
|
def test_null_in_empty_set_is_false_direct(self, connection):
|
|
stmt = select(
|
|
case(
|
|
[
|
|
(
|
|
null().in_([]),
|
|
true(),
|
|
)
|
|
],
|
|
else_=false(),
|
|
)
|
|
)
|
|
in_(connection.execute(stmt).fetchone()[0], (False, 0))
|
|
|
|
|
|
class LikeFunctionsTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
run_inserts = "once"
|
|
run_deletes = None
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"some_table",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("data", String(50)),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.some_table.insert(),
|
|
[
|
|
{"id": 1, "data": "abcdefg"},
|
|
{"id": 2, "data": "ab/cdefg"},
|
|
{"id": 3, "data": "ab%cdefg"},
|
|
{"id": 4, "data": "ab_cdefg"},
|
|
{"id": 5, "data": "abcde/fg"},
|
|
{"id": 6, "data": "abcde%fg"},
|
|
{"id": 7, "data": "ab#cdefg"},
|
|
{"id": 8, "data": "ab9cdefg"},
|
|
{"id": 9, "data": "abcde#fg"},
|
|
{"id": 10, "data": "abcd9fg"},
|
|
{"id": 11, "data": None},
|
|
],
|
|
)
|
|
|
|
def _test(self, expr, expected):
|
|
some_table = self.tables.some_table
|
|
|
|
with config.db.connect() as conn:
|
|
rows = {
|
|
value
|
|
for value, in conn.execute(select(some_table.c.id).where(expr))
|
|
}
|
|
|
|
eq_(rows, expected)
|
|
|
|
def test_startswith_unescaped(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.startswith("ab%c"), {1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
|
|
|
|
def test_startswith_autoescape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.startswith("ab%c", autoescape=True), {3})
|
|
|
|
def test_startswith_sqlexpr(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(
|
|
col.startswith(literal_column("'ab%c'")),
|
|
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
|
|
)
|
|
|
|
def test_startswith_escape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.startswith("ab##c", escape="#"), {7})
|
|
|
|
def test_startswith_autoescape_escape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.startswith("ab%c", autoescape=True, escape="#"), {3})
|
|
self._test(col.startswith("ab#c", autoescape=True, escape="#"), {7})
|
|
|
|
def test_endswith_unescaped(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.endswith("e%fg"), {1, 2, 3, 4, 5, 6, 7, 8, 9})
|
|
|
|
def test_endswith_sqlexpr(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(
|
|
col.endswith(literal_column("'e%fg'")), {1, 2, 3, 4, 5, 6, 7, 8, 9}
|
|
)
|
|
|
|
def test_endswith_autoescape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.endswith("e%fg", autoescape=True), {6})
|
|
|
|
def test_endswith_escape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.endswith("e##fg", escape="#"), {9})
|
|
|
|
def test_endswith_autoescape_escape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.endswith("e%fg", autoescape=True, escape="#"), {6})
|
|
self._test(col.endswith("e#fg", autoescape=True, escape="#"), {9})
|
|
|
|
def test_contains_unescaped(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.contains("b%cde"), {1, 2, 3, 4, 5, 6, 7, 8, 9})
|
|
|
|
def test_contains_autoescape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.contains("b%cde", autoescape=True), {3})
|
|
|
|
def test_contains_escape(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.contains("b##cde", escape="#"), {7})
|
|
|
|
def test_contains_autoescape_escape(self):
|
|
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})
|
|
|
|
@testing.requires.regexp_match
|
|
def test_not_regexp_match(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(~col.regexp_match("a.cde"), {2, 3, 4, 7, 8, 10})
|
|
|
|
@testing.requires.regexp_replace
|
|
def test_regexp_replace(self):
|
|
col = self.tables.some_table.c.data
|
|
self._test(
|
|
col.regexp_replace("a.cde", "FOO").contains("FOO"), {1, 5, 6, 9}
|
|
)
|
|
|
|
@testing.requires.regexp_match
|
|
@testing.combinations(
|
|
("a.cde", {1, 5, 6, 9}),
|
|
("abc", {1, 5, 6, 9, 10}),
|
|
("^abc", {1, 5, 6, 9, 10}),
|
|
("9cde", {8}),
|
|
("^a", set(range(1, 11))),
|
|
("(b|c)", set(range(1, 11))),
|
|
("^(b|c)", set()),
|
|
)
|
|
def test_regexp_match(self, text, expected):
|
|
col = self.tables.some_table.c.data
|
|
self._test(col.regexp_match(text), expected)
|
|
|
|
|
|
class ComputedColumnTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
__requires__ = ("computed_columns",)
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"square",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("side", Integer),
|
|
Column("area", Integer, Computed("side * side")),
|
|
Column("perimeter", Integer, Computed("4 * side")),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.square.insert(),
|
|
[{"id": 1, "side": 10}, {"id": 10, "side": 42}],
|
|
)
|
|
|
|
def test_select_all(self):
|
|
with config.db.connect() as conn:
|
|
res = conn.execute(
|
|
select(text("*"))
|
|
.select_from(self.tables.square)
|
|
.order_by(self.tables.square.c.id)
|
|
).fetchall()
|
|
eq_(res, [(1, 10, 100, 40), (10, 42, 1764, 168)])
|
|
|
|
def test_select_columns(self):
|
|
with config.db.connect() as conn:
|
|
res = conn.execute(
|
|
select(
|
|
self.tables.square.c.area, self.tables.square.c.perimeter
|
|
)
|
|
.select_from(self.tables.square)
|
|
.order_by(self.tables.square.c.id)
|
|
).fetchall()
|
|
eq_(res, [(100, 40), (1764, 168)])
|
|
|
|
|
|
class IdentityColumnTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
__requires__ = ("identity_columns",)
|
|
run_inserts = "once"
|
|
run_deletes = "once"
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"tbl_a",
|
|
metadata,
|
|
Column(
|
|
"id",
|
|
Integer,
|
|
Identity(
|
|
always=True, start=42, nominvalue=True, nomaxvalue=True
|
|
),
|
|
primary_key=True,
|
|
),
|
|
Column("desc", String(100)),
|
|
)
|
|
Table(
|
|
"tbl_b",
|
|
metadata,
|
|
Column(
|
|
"id",
|
|
Integer,
|
|
Identity(increment=-5, start=0, minvalue=-1000, maxvalue=0),
|
|
primary_key=True,
|
|
),
|
|
Column("desc", String(100)),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.tbl_a.insert(),
|
|
[{"desc": "a"}, {"desc": "b"}],
|
|
)
|
|
connection.execute(
|
|
cls.tables.tbl_b.insert(),
|
|
[{"desc": "a"}, {"desc": "b"}],
|
|
)
|
|
connection.execute(
|
|
cls.tables.tbl_b.insert(),
|
|
[{"id": 42, "desc": "c"}],
|
|
)
|
|
|
|
def test_select_all(self, connection):
|
|
res = connection.execute(
|
|
select(text("*"))
|
|
.select_from(self.tables.tbl_a)
|
|
.order_by(self.tables.tbl_a.c.id)
|
|
).fetchall()
|
|
eq_(res, [(42, "a"), (43, "b")])
|
|
|
|
res = connection.execute(
|
|
select(text("*"))
|
|
.select_from(self.tables.tbl_b)
|
|
.order_by(self.tables.tbl_b.c.id)
|
|
).fetchall()
|
|
eq_(res, [(-5, "b"), (0, "a"), (42, "c")])
|
|
|
|
def test_select_columns(self, connection):
|
|
|
|
res = connection.execute(
|
|
select(self.tables.tbl_a.c.id).order_by(self.tables.tbl_a.c.id)
|
|
).fetchall()
|
|
eq_(res, [(42,), (43,)])
|
|
|
|
@testing.requires.identity_columns_standard
|
|
def test_insert_always_error(self, connection):
|
|
def fn():
|
|
connection.execute(
|
|
self.tables.tbl_a.insert(),
|
|
[{"id": 200, "desc": "a"}],
|
|
)
|
|
|
|
assert_raises((DatabaseError, ProgrammingError), fn)
|
|
|
|
|
|
class IdentityAutoincrementTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
__requires__ = ("autoincrement_without_sequence",)
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"tbl",
|
|
metadata,
|
|
Column(
|
|
"id",
|
|
Integer,
|
|
Identity(),
|
|
primary_key=True,
|
|
autoincrement=True,
|
|
),
|
|
Column("desc", String(100)),
|
|
)
|
|
|
|
def test_autoincrement_with_identity(self, connection):
|
|
res = connection.execute(self.tables.tbl.insert(), {"desc": "row"})
|
|
res = connection.execute(self.tables.tbl.select()).first()
|
|
eq_(res, (1, "row"))
|
|
|
|
|
|
class ExistsTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"stuff",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("data", String(50)),
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls, connection):
|
|
connection.execute(
|
|
cls.tables.stuff.insert(),
|
|
[
|
|
{"id": 1, "data": "some data"},
|
|
{"id": 2, "data": "some data"},
|
|
{"id": 3, "data": "some data"},
|
|
{"id": 4, "data": "some other data"},
|
|
],
|
|
)
|
|
|
|
def test_select_exists(self, connection):
|
|
stuff = self.tables.stuff
|
|
eq_(
|
|
connection.execute(
|
|
select(literal(1)).where(
|
|
exists().where(stuff.c.data == "some data")
|
|
)
|
|
).fetchall(),
|
|
[(1,)],
|
|
)
|
|
|
|
def test_select_exists_false(self, connection):
|
|
stuff = self.tables.stuff
|
|
eq_(
|
|
connection.execute(
|
|
select(literal(1)).where(
|
|
exists().where(stuff.c.data == "no data")
|
|
)
|
|
).fetchall(),
|
|
[],
|
|
)
|
|
|
|
|
|
class DistinctOnTest(AssertsCompiledSQL, fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@testing.fails_if(testing.requires.supports_distinct_on)
|
|
def test_distinct_on(self):
|
|
stm = select("*").distinct(column("q")).select_from(table("foo"))
|
|
with testing.expect_deprecated(
|
|
"DISTINCT ON is currently supported only by the PostgreSQL "
|
|
):
|
|
self.assert_compile(stm, "SELECT DISTINCT * FROM foo")
|
|
|
|
|
|
class IsOrIsNotDistinctFromTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
__requires__ = ("supports_is_distinct_from",)
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"is_distinct_test",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("col_a", Integer, nullable=True),
|
|
Column("col_b", Integer, nullable=True),
|
|
)
|
|
|
|
@testing.combinations(
|
|
("both_int_different", 0, 1, 1),
|
|
("both_int_same", 1, 1, 0),
|
|
("one_null_first", None, 1, 1),
|
|
("one_null_second", 0, None, 1),
|
|
("both_null", None, None, 0),
|
|
id_="iaaa",
|
|
argnames="col_a_value, col_b_value, expected_row_count_for_is",
|
|
)
|
|
def test_is_or_is_not_distinct_from(
|
|
self, col_a_value, col_b_value, expected_row_count_for_is, connection
|
|
):
|
|
tbl = self.tables.is_distinct_test
|
|
|
|
connection.execute(
|
|
tbl.insert(),
|
|
[{"id": 1, "col_a": col_a_value, "col_b": col_b_value}],
|
|
)
|
|
|
|
result = connection.execute(
|
|
tbl.select(tbl.c.col_a.is_distinct_from(tbl.c.col_b))
|
|
).fetchall()
|
|
eq_(
|
|
len(result),
|
|
expected_row_count_for_is,
|
|
)
|
|
|
|
expected_row_count_for_is_not = (
|
|
1 if expected_row_count_for_is == 0 else 0
|
|
)
|
|
result = connection.execute(
|
|
tbl.select(tbl.c.col_a.is_not_distinct_from(tbl.c.col_b))
|
|
).fetchall()
|
|
eq_(
|
|
len(result),
|
|
expected_row_count_for_is_not,
|
|
)
|