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import datetime

from .. import config
from .. import engines
from .. import fixtures
from ..assertions import eq_
from ..config import requirements
from ..schema import Column
from ..schema import Table
from ... import DateTime
from ... import func
from ... import Integer
from ... import select
from ... import sql
from ... import String
from ... import testing
from ... import text

class RowFetchTest(fixtures.TablesTest):
    __backend__ = True

@classmethod
    def define_tables(cls, metadata):
        Table(
            "plain_pk",
            metadata,
            Column("id", Integer, primary_key=True),
            Column("data", String(50)),
        )
        Table(
            "has_dates",
            metadata,
            Column("id", Integer, primary_key=True),
            Column("today", DateTime),
        )

@classmethod
    def insert_data(cls, connection):
        connection.execute(
            cls.tables.plain_pk.insert(),
            [
                {"id": 1, "data": "d1"},
                {"id": 2, "data": "d2"},
                {"id": 3, "data": "d3"},
            ],
        )

connection.execute(
            cls.tables.has_dates.insert(),
            [{"id": 1, "today": datetime.datetime(2006, 5, 12, 12, 0, 0)}],
        )

def test_via_string(self):
        row = config.db.execute(
            self.tables.plain_pk.select().order_by(self.tables.plain_pk.c.id)
        ).first()

eq_(row["id"], 1)
        eq_(row["data"], "d1")

def test_via_int(self):
        row = config.db.execute(
            self.tables.plain_pk.select().order_by(self.tables.plain_pk.c.id)
        ).first()

eq_(row[0], 1)
        eq_(row[1], "d1")

def test_via_col_object(self):
        row = config.db.execute(
            self.tables.plain_pk.select().order_by(self.tables.plain_pk.c.id)
        ).first()

eq_(row[self.tables.plain_pk.c.id], 1)
        eq_(row[self.tables.plain_pk.c.data], "d1")

@requirements.duplicate_names_in_cursor_description
    def test_row_with_dupe_names(self):
        result = config.db.execute(
            select(
                [
                    self.tables.plain_pk.c.data,
                    self.tables.plain_pk.c.data.label("data"),
                ]
            ).order_by(self.tables.plain_pk.c.id)
        )
        row = result.first()
        eq_(result.keys(), ["data", "data"])
        eq_(row, ("d1", "d1"))

def test_row_w_scalar_select(self):
        """test that a scalar select as a column is returned as such
        and that type conversion works OK.

(this is half a SQLAlchemy Core test and half to catch database
        backends that may have unusual behavior with scalar selects.)

"""
        datetable = self.tables.has_dates
        s = select([datetable.alias("x").c.today]).as_scalar()
        s2 = select([datetable.c.id, s.label("somelabel")])
        row = config.db.execute(s2).first()

eq_(row["somelabel"], datetime.datetime(2006, 5, 12, 12, 0, 0))

class PercentSchemaNamesTest(fixtures.TablesTest):
    """tests using percent signs, spaces in table and column names.

This is a very fringe use case, doesn't work for MySQL
    or PostgreSQL.  the requirement, "percent_schema_names",
    is marked "skip" by default.

"""

__requires__ = ("percent_schema_names",)

__backend__ = True

@classmethod
    def define_tables(cls, metadata):
        cls.tables.percent_table = Table(
            "percent%table",
            metadata,
            Column("percent%", Integer),
            Column("spaces % more spaces", Integer),
        )
        cls.tables.lightweight_percent_table = sql.table(
            "percent%table",
            sql.column("percent%"),
            sql.column("spaces % more spaces"),
        )

def test_single_roundtrip(self):
        percent_table = self.tables.percent_table
        for params in [
            {"percent%": 5, "spaces % more spaces": 12},
            {"percent%": 7, "spaces % more spaces": 11},
            {"percent%": 9, "spaces % more spaces": 10},
            {"percent%": 11, "spaces % more spaces": 9},
        ]:
            config.db.execute(percent_table.insert(), params)
        self._assert_table()

def test_executemany_roundtrip(self):
        percent_table = self.tables.percent_table
        config.db.execute(
            percent_table.insert(), {"percent%": 5, "spaces % more spaces": 12}
        )
        config.db.execute(
            percent_table.insert(),
            [
                {"percent%": 7, "spaces % more spaces": 11},
                {"percent%": 9, "spaces % more spaces": 10},
                {"percent%": 11, "spaces % more spaces": 9},
            ],
        )
        self._assert_table()

def _assert_table(self):
        percent_table = self.tables.percent_table
        lightweight_percent_table = self.tables.lightweight_percent_table

for table in (
            percent_table,
            percent_table.alias(),
            lightweight_percent_table,
            lightweight_percent_table.alias(),
        ):
            eq_(
                list(
                    config.db.execute(
                        table.select().order_by(table.c["percent%"])
                    )
                ),
                [(5, 12), (7, 11), (9, 10), (11, 9)],
            )

eq_(
                list(
                    config.db.execute(
                        table.select()
                        .where(table.c["spaces % more spaces"].in_([9, 10]))
                        .order_by(table.c["percent%"])
                    )
                ),
                [(9, 10), (11, 9)],
            )

row = config.db.execute(
                table.select().order_by(table.c["percent%"])
            ).first()
            eq_(row["percent%"], 5)
            eq_(row["spaces % more spaces"], 12)

eq_(row[table.c["percent%"]], 5)
            eq_(row[table.c["spaces % more spaces"]], 12)

config.db.execute(
            percent_table.update().values(
                {percent_table.c["spaces % more spaces"]: 15}
            )
        )

eq_(
            list(
                config.db.execute(
                    percent_table.select().order_by(
                        percent_table.c["percent%"]
                    )
                )
            ),
            [(5, 15), (7, 15), (9, 15), (11, 15)],
        )

class ServerSideCursorsTest(
    fixtures.TestBase, testing.AssertsExecutionResults
):

__requires__ = ("server_side_cursors",)

__backend__ = True

def _is_server_side(self, cursor):
        if self.engine.dialect.driver == "psycopg2":
            return bool(cursor.name)
        elif self.engine.dialect.driver == "pymysql":
            sscursor = __import__("pymysql.cursors").cursors.SSCursor
            return isinstance(cursor, sscursor)
        elif self.engine.dialect.driver == "mysqldb":
            sscursor = __import__("MySQLdb.cursors").cursors.SSCursor
            return isinstance(cursor, sscursor)
        else:
            return False

def _fixture(self, server_side_cursors):
        self.engine = engines.testing_engine(
            options={"server_side_cursors": server_side_cursors}
        )
        return self.engine

def tearDown(self):
        engines.testing_reaper.close_all()
        self.engine.dispose()

@testing.combinations(
        ("global_string", True, "select 1", True),
        ("global_text", True, text("select 1"), True),
        ("global_expr", True, select([1]), True),
        ("global_off_explicit", False, text("select 1"), False),
        (
            "stmt_option",
            False,
            select([1]).execution_options(stream_results=True),
            True,
        ),
        (
            "stmt_option_disabled",
            True,
            select([1]).execution_options(stream_results=False),
            False,
        ),
        ("for_update_expr", True, select([1]).with_for_update(), True),
        ("for_update_string", True, "SELECT 1 FOR UPDATE", True),
        ("text_no_ss", False, text("select 42"), False),
        (
            "text_ss_option",
            False,
            text("select 42").execution_options(stream_results=True),
            True,
        ),
        id_="iaaa",
        argnames="engine_ss_arg, statement, cursor_ss_status",
    )
    def test_ss_cursor_status(
        self, engine_ss_arg, statement, cursor_ss_status
    ):
        engine = self._fixture(engine_ss_arg)
        with engine.begin() as conn:
            result = conn.execute(statement)
            eq_(self._is_server_side(result.cursor), cursor_ss_status)
            result.close()

def test_conn_option(self):
        engine = self._fixture(False)

# should be enabled for this one
        result = (
            engine.connect()
            .execution_options(stream_results=True)
            .execute("select 1")
        )
        assert self._is_server_side(result.cursor)

def test_stmt_enabled_conn_option_disabled(self):
        engine = self._fixture(False)

s = select([1]).execution_options(stream_results=True)

# not this one
        result = (
            engine.connect().execution_options(stream_results=False).execute(s)
        )
        assert not self._is_server_side(result.cursor)

def test_aliases_and_ss(self):
        engine = self._fixture(False)
        s1 = select([1]).execution_options(stream_results=True).alias()
        with engine.begin() as conn:
            result = conn.execute(s1)
            assert self._is_server_side(result.cursor)
            result.close()

# s1's options shouldn't affect s2 when s2 is used as a
        # from_obj.
        s2 = select([1], from_obj=s1)
        with engine.begin() as conn:
            result = conn.execute(s2)
            assert not self._is_server_side(result.cursor)
            result.close()

@testing.provide_metadata
    def test_roundtrip(self):
        md = self.metadata

self._fixture(True)
        test_table = Table(
            "test_table",
            md,
            Column("id", Integer, primary_key=True),
            Column("data", String(50)),
        )
        test_table.create(checkfirst=True)
        test_table.insert().execute(data="data1")
        test_table.insert().execute(data="data2")
        eq_(
            test_table.select().order_by(test_table.c.id).execute().fetchall(),
            [(1, "data1"), (2, "data2")],
        )
        test_table.update().where(test_table.c.id == 2).values(
            data=test_table.c.data + " updated"
        ).execute()
        eq_(
            test_table.select().order_by(test_table.c.id).execute().fetchall(),
            [(1, "data1"), (2, "data2 updated")],
        )
        test_table.delete().execute()
        eq_(select([func.count("*")]).select_from(test_table).scalar(), 0)

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__pycache__ DIR	-	drwxr-xr-x	2026-02-06 08:01:08	Edit Download recursive recursive
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test_dialect.py	6.70 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
test_insert.py	9.45 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
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test_results.py	10.71 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
test_select.py	23.82 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
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