本文整理汇总了Python中sqlalchemy.text方法的典型用法代码示例。如果您正苦于以下问题:Python sqlalchemy.text方法的具体用法?Python sqlalchemy.text怎么用?Python sqlalchemy.text使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sqlalchemy
的用法示例。
在下文中一共展示了sqlalchemy.text方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: list
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def list(self):
if(hasattr(cherrypy.request, 'json')):
qry = self.db.query(self.baseclass)
if('filter' in cherrypy.request.json and cherrypy.request.json['filter']!=''):
qry = qry.filter(text(cherrypy.request.json['filter']))
if('sort' in cherrypy.request.json and cherrypy.request.json['sort']!=''):
qry = qry.order_by(text(cherrypy.request.json['sort']))
objects = qry.all()
else:
objects = self.db.query(self.baseclass).all()
return {'status': 'success', 'data': self.objectsToList(objects)}
示例2: downgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def downgrade():
### commands auto generated by Alembic - please adjust! ###
op.create_table('months',
sa.Column('id', sa.INTEGER(), server_default=sa.text("nextval('months_id_seq'::regclass)"), nullable=False),
sa.Column('month', sa.INTEGER(), autoincrement=False, nullable=True),
sa.Column('year', sa.INTEGER(), autoincrement=False, nullable=True),
sa.Column('department_id', sa.INTEGER(), autoincrement=False, nullable=True),
sa.ForeignKeyConstraint(['department_id'], ['departments.id'], name='months_department_id_fkey'),
sa.PrimaryKeyConstraint('id', name='months_pkey'),
postgresql_ignore_search_path=False
)
op.create_table('serviceTypes',
sa.Column('id', sa.INTEGER(), server_default=sa.text('nextval(\'"serviceTypes_id_seq"\'::regclass)'), nullable=False),
sa.Column('month_id', sa.INTEGER(), autoincrement=False, nullable=True),
sa.Column('service_type', sa.VARCHAR(length=36), autoincrement=False, nullable=False),
sa.Column('count', sa.INTEGER(), autoincrement=False, nullable=True),
sa.ForeignKeyConstraint(['month_id'], ['months.id'], name='serviceTypes_month_id_fkey'),
sa.PrimaryKeyConstraint('id', name='serviceTypes_pkey')
)
op.drop_table('use_of_force_incidents')
### end Alembic commands ###
示例3: upgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def upgrade():
op.drop_constraint('fk_vfolder_attachment_vfolder_vfolders', 'vfolder_attachment', type_='foreignkey')
op.drop_constraint('fk_vfolder_attachment_kernel_kernels', 'vfolder_attachment', type_='foreignkey')
op.drop_constraint('pk_kernels', 'kernels', type_='primary')
op.add_column('kernels',
sa.Column('id', GUID(),
server_default=sa.text('uuid_generate_v4()'),
nullable=False))
op.add_column('kernels', sa.Column('role', sa.String(length=16), nullable=False, default='master'))
op.create_primary_key('pk_kernels', 'kernels', ['id'])
op.alter_column(
'kernels', 'sess_id',
existing_type=postgresql.UUID(),
type_=sa.String(length=64),
nullable=True,
existing_server_default=sa.text('uuid_generate_v4()'))
op.create_index(op.f('ix_kernels_sess_id'), 'kernels', ['sess_id'], unique=False)
op.create_index(op.f('ix_kernels_sess_id_role'), 'kernels', ['sess_id', 'role'], unique=False)
op.create_foreign_key('fk_vfolder_attachment_vfolder_vfolders',
'vfolder_attachment', 'vfolders',
['vfolder'], ['id'], onupdate='CASCADE', ondelete='CASCADE')
op.create_foreign_key('fk_vfolder_attachment_kernel_kernels',
'vfolder_attachment', 'kernels',
['kernel'], ['id'], onupdate='CASCADE', ondelete='CASCADE')
示例4: upgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def upgrade():
conn = op.get_bind()
conn.execute('DROP INDEX IF EXISTS ix_kernels_unique_sess_token;')
conn.execute('ALTER TYPE kernelstatus RENAME TO kernelstatus_old;')
kernelstatus_new.create(conn)
conn.execute(textwrap.dedent('''\
ALTER TABLE kernels
ALTER COLUMN "status" DROP DEFAULT,
ALTER COLUMN "status" TYPE kernelstatus USING "status"::text::kernelstatus,
ALTER COLUMN "status" SET DEFAULT 'PENDING'::kernelstatus;
DROP TYPE kernelstatus_old;
'''))
op.create_index(
'ix_kernels_unique_sess_token', 'kernels', ['access_key', 'sess_id'],
unique=True, postgresql_where=sa.text(
"status NOT IN ('TERMINATED', 'CANCELLED') and role = 'master'"
))
示例5: downgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def downgrade():
op.drop_index('ix_kernels_unique_sess_token', table_name='kernels')
conn = op.get_bind()
conn.execute('ALTER TYPE kernelstatus RENAME TO kernelstatus_new;')
kernelstatus_old.create(conn)
conn.execute(textwrap.dedent('''\
ALTER TABLE kernels
ALTER COLUMN "status" DROP DEFAULT,
ALTER COLUMN "status" TYPE kernelstatus USING (
CASE "status"::text
WHEN 'CANCELLED' THEN 'TERMINATED'
ELSE "status"::text
END
)::kernelstatus,
ALTER COLUMN "status" SET DEFAULT 'PREPARING'::kernelstatus;
DROP TYPE kernelstatus_new;
'''))
op.create_index(
'ix_kernels_unique_sess_token', 'kernels', ['access_key', 'sess_id'],
unique=True, postgresql_where=sa.text(
"status != 'TERMINATED' and role = 'master'"
))
示例6: prepare
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def prepare(self) -> None:
for p in self.people:
key = f'logsite:people:{p.id}'
data = redis.get_container(key, ex=3600)
if data:
p.fav_format = data.fav_format
p.num_matches = data.num_matches
else:
p.num_matches = match.get_recent_matches_by_player(p.name).count()
stmt = text("""
SELECT f.name, COUNT(*) AS num_matches
FROM match_players AS mp
INNER JOIN `match` AS m ON mp.match_id = m.id
INNER JOIN format AS f ON m.format_id = f.id
WHERE mp.user_id = :pid
GROUP BY f.id;
""")
p.formats = db.DB.session.query('name', 'num_matches').from_statement(stmt).params(pid=p.id).all()
if p.formats:
p.fav_format = '{0} ({1} matches)'.format(p.formats[0][0], p.formats[0][1])
else:
p.fav_format = '⸺'
redis.store(key, {'fav_format': p.fav_format, 'num_matches': p.num_matches}, ex=3600)
示例7: _exec
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def _exec(self, construct, execution_options=None,
multiparams=(),
params=util.immutabledict()):
if isinstance(construct, string_types):
construct = text(construct)
if self.as_sql:
if multiparams or params:
# TODO: coverage
raise Exception("Execution arguments not allowed with as_sql")
if self.literal_binds and not isinstance(
construct, schema.DDLElement):
compile_kw = dict(compile_kwargs={"literal_binds": True})
else:
compile_kw = {}
self.static_output(text_type(
construct.compile(dialect=self.dialect, **compile_kw)
).replace("\t", " ").strip() + self.command_terminator)
else:
conn = self.connection
if execution_options:
conn = conn.execution_options(**execution_options)
return conn.execute(construct, *multiparams, **params)
示例8: get_schema_version
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def get_schema_version(engine):
results = None
# try the new style storage
try:
results = engine.execute(
sqlalchemy.text("SELECT value FROM storage_data WHERE namespace = :namespace AND key = 'schema_version'"),
namespace=_metadata_namespace
).fetchone()
except sqlalchemy.exc.DatabaseError:
pass
if results:
return _metadata_serializer.loads(results[0])
# try the old style storage
try:
results = engine.execute(sqlalchemy.text("SELECT value_type, value FROM meta_data WHERE id = 'schema_version'")).fetchone()
except sqlalchemy.exc.DatabaseError:
pass
if results:
value_type, value = results
if value_type != 'int':
raise TypeError('the value is not of type: int')
return int(value)
return models.SCHEMA_VERSION
示例9: get_most_relevant_transfer_usages
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def get_most_relevant_transfer_usages(self):
'''Finds the transfer usage/business categories there are most relevant for the user
based on the last number of send and completed credit transfers supplemented with the
defaul business categories
:return: list of most relevant transfer usage objects for the usage
"""
'''
sql = text('''
SELECT *, COUNT(*) FROM
(SELECT c.transfer_use::text FROM credit_transfer c
WHERE c.sender_user_id = {} AND c.transfer_status = 'COMPLETE'
ORDER BY c.updated DESC
LIMIT 20)
C GROUP BY transfer_use ORDER BY count DESC
'''.format(self.id))
result = db.session.execute(sql)
most_common_uses = {}
for row in result:
if row[0] is not None:
for use in json.loads(row[0]):
most_common_uses[use] = row[1]
return most_common_uses
示例10: _exec
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def _exec(self, query, **args):
connection = None
try:
connection = self.db.connect()
q = query.format(schema=self.schema)
# DEBUG!
qq = q
for k in args.keys():
qq = qq.replace(':'+str(k), "'" + str(args[k]) + "'")
qq = qq + ';'
print("{0}".format(qq))
# DEBUG! END
return connection.execute(sqlalchemy.text(q), **args)
finally:
if connection is not None:
connection.close()
示例11: member_roles_list
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def member_roles_list(context, data_dict):
'''Return the possible roles for members of groups and organizations.
:param group_type: the group type, either ``"group"`` or ``"organization"``
(optional, default ``"organization"``)
:type id: string
:returns: a list of dictionaries each with two keys: ``"text"`` (the
display name of the role, e.g. ``"Admin"``) and ``"value"`` (the
internal name of the role, e.g. ``"admin"``)
:rtype: list of dictionaries
'''
group_type = data_dict.get('group_type', 'organization')
roles_list = authz.roles_list()
if group_type == 'group':
roles_list = [role for role in roles_list
if role['value'] != 'editor']
_check_access('member_roles_list', context, data_dict)
return roles_list
示例12: upgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def upgrade():
bind = op.get_bind()
session = Session(bind=bind)
department_query = text("SELECT * FROM departments")
for department in session.execute(department_query):
short_name = "".join([x[0] for x in department.name.split(" ")])
department.short_name = short_name
session.commit()
op.alter_column('departments', 'short_name', existing_type=sa.VARCHAR(length=80), nullable=False)
示例13: downgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('users', sa.Column('can_use_multiple_mailbox', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=False))
op.add_column('users', sa.Column('full_mailbox', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=False))
# ### end Alembic commands ###
示例14: downgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('users', sa.Column('is_developer', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=False))
# ### end Alembic commands ###
示例15: upgrade
# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import text [as 别名]
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('client_user', sa.Column('default_avatar', sa.Boolean(), server_default='0', nullable=False))
op.add_column('client_user', sa.Column('name', sa.String(length=128), server_default=sa.text('NULL'), nullable=True))
op.add_column('gen_email', sa.Column('custom', sa.Boolean(), server_default='0', nullable=False))
# ### end Alembic commands ###