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from sqlalchemy import all_
from sqlalchemy import and_
from sqlalchemy import any_
from sqlalchemy import Boolean
from sqlalchemy import cast
from sqlalchemy import Column
from sqlalchemy import false
from sqlalchemy import ForeignKey
from sqlalchemy import Integer
from sqlalchemy import or_
from sqlalchemy import select
from sqlalchemy import String
from sqlalchemy import Table
from sqlalchemy import testing
from sqlalchemy import true
from sqlalchemy.testing import eq_
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_
class IdiosyncrasyTest(fixtures.TestBase):
__only_on__ = "mysql", "mariadb"
__backend__ = True
@testing.emits_warning()
def test_is_boolean_symbols_despite_no_native(self, connection):
is_(
connection.scalar(select(cast(true().is_(true()), Boolean))),
True,
)
is_(
connection.scalar(select(cast(true().is_not(true()), Boolean))),
False,
)
is_(
connection.scalar(select(cast(false().is_(false()), Boolean))),
True,
)
class MatchTest(fixtures.TablesTest):
__only_on__ = "mysql", "mariadb"
__backend__ = True
@classmethod
def define_tables(cls, metadata):
Table(
"cattable",
metadata,
Column("id", Integer, primary_key=True),
Column("description", String(50)),
mysql_engine="MyISAM",
mariadb_engine="MyISAM",
)
Table(
"matchtable",
metadata,
Column("id", Integer, primary_key=True),
Column("title", String(200)),
Column("category_id", Integer, ForeignKey("cattable.id")),
mysql_engine="MyISAM",
mariadb_engine="MyISAM",
)
@classmethod
def insert_data(cls, connection):
cattable, matchtable = cls.tables("cattable", "matchtable")
connection.execute(
cattable.insert(),
[
{"id": 1, "description": "Python"},
{"id": 2, "description": "Ruby"},
],
)
connection.execute(
matchtable.insert(),
[
{
"id": 1,
"title": "Agile Web Development with Ruby On Rails",
"category_id": 2,
},
{"id": 2, "title": "Dive Into Python", "category_id": 1},
{
"id": 3,
"title": "Programming Matz's Ruby",
"category_id": 2,
},
{
"id": 4,
"title": "The Definitive Guide to Django",
"category_id": 1,
},
{"id": 5, "title": "Python in a Nutshell", "category_id": 1},
],
)
def test_simple_match(self, connection):
matchtable = self.tables.matchtable
results = connection.execute(
matchtable.select()
.where(matchtable.c.title.match("python"))
.order_by(matchtable.c.id)
).fetchall()
eq_([2, 5], [r.id for r in results])
def test_not_match(self, connection):
matchtable = self.tables.matchtable
results = connection.execute(
matchtable.select()
.where(~matchtable.c.title.match("python"))
.order_by(matchtable.c.id)
)
eq_([1, 3, 4], [r.id for r in results])
def test_simple_match_with_apostrophe(self, connection):
matchtable = self.tables.matchtable
results = connection.execute(
matchtable.select().where(matchtable.c.title.match("Matz's"))
).fetchall()
eq_([3], [r.id for r in results])
def test_return_value(self, connection):
matchtable = self.tables.matchtable
# test [ticket:3263]
result = connection.execute(
select(
matchtable.c.title.match("Agile Ruby Programming").label(
"ruby"
),
matchtable.c.title.match("Dive Python").label("python"),
matchtable.c.title,
).order_by(matchtable.c.id)
).fetchall()
eq_(
result,
[
(2.0, 0.0, "Agile Web Development with Ruby On Rails"),
(0.0, 2.0, "Dive Into Python"),
(2.0, 0.0, "Programming Matz's Ruby"),
(0.0, 0.0, "The Definitive Guide to Django"),
(0.0, 1.0, "Python in a Nutshell"),
],
)
def test_or_match(self, connection):
matchtable = self.tables.matchtable
results1 = connection.execute(
matchtable.select()
.where(
or_(
matchtable.c.title.match("nutshell"),
matchtable.c.title.match("ruby"),
)
)
.order_by(matchtable.c.id)
).fetchall()
eq_([1, 3, 5], [r.id for r in results1])
results2 = connection.execute(
matchtable.select()
.where(matchtable.c.title.match("nutshell ruby"))
.order_by(matchtable.c.id)
).fetchall()
eq_([1, 3, 5], [r.id for r in results2])
def test_and_match(self, connection):
matchtable = self.tables.matchtable
results1 = connection.execute(
matchtable.select().where(
and_(
matchtable.c.title.match("python"),
matchtable.c.title.match("nutshell"),
)
)
).fetchall()
eq_([5], [r.id for r in results1])
results2 = connection.execute(
matchtable.select().where(
matchtable.c.title.match("+python +nutshell")
)
).fetchall()
eq_([5], [r.id for r in results2])
def test_match_across_joins(self, connection):
matchtable = self.tables.matchtable
cattable = self.tables.cattable
results = connection.execute(
matchtable.select()
.where(
and_(
cattable.c.id == matchtable.c.category_id,
or_(
cattable.c.description.match("Ruby"),
matchtable.c.title.match("nutshell"),
),
)
)
.order_by(matchtable.c.id)
).fetchall()
eq_([1, 3, 5], [r.id for r in results])
class AnyAllTest(fixtures.TablesTest):
__only_on__ = "mysql", "mariadb"
__backend__ = True
@classmethod
def define_tables(cls, metadata):
Table(
"stuff",
metadata,
Column("id", Integer, primary_key=True),
Column("value", Integer),
)
@classmethod
def insert_data(cls, connection):
stuff = cls.tables.stuff
connection.execute(
stuff.insert(),
[
{"id": 1, "value": 1},
{"id": 2, "value": 2},
{"id": 3, "value": 3},
{"id": 4, "value": 4},
{"id": 5, "value": 5},
],
)
def test_any_w_comparator(self, connection):
stuff = self.tables.stuff
stmt = select(stuff.c.id).where(
stuff.c.value > any_(select(stuff.c.value).scalar_subquery())
)
eq_(connection.execute(stmt).fetchall(), [(2,), (3,), (4,), (5,)])
def test_all_w_comparator(self, connection):
stuff = self.tables.stuff
stmt = select(stuff.c.id).where(
stuff.c.value >= all_(select(stuff.c.value).scalar_subquery())
)
eq_(connection.execute(stmt).fetchall(), [(5,)])
def test_any_literal(self, connection):
stuff = self.tables.stuff
stmt = select(4 == any_(select(stuff.c.value).scalar_subquery()))
is_(connection.execute(stmt).scalar(), True)
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