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Python schema.Table方法代碼示例

本文整理匯總了Python中sqlalchemy.schema.Table方法的典型用法代碼示例。如果您正苦於以下問題：Python schema.Table方法的具體用法？Python schema.Table怎麽用？Python schema.Table使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sqlalchemy.schema的用法示例。


在下文中一共展示了schema.Table方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: upgrade

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def upgrade(migrate_engine):
    meta.bind = migrate_engine

    pool_ns_records_table = Table('pool_ns_records', meta, autoload=True)

    # Only apply it if it's not there (It's been backported to L)
    insp = Inspector.from_engine(migrate_engine)
    unique_constraints = insp.get_unique_constraints('pool_ns_records')
    unique_constraint_names = [i['name'] for i in unique_constraints]

    if CONSTRAINT_NAME not in unique_constraint_names:
        # We define the constraint here if not it shows in the list above.
        constraint = UniqueConstraint('pool_id', 'hostname',
                                      name=CONSTRAINT_NAME,
                                      table=pool_ns_records_table)
        try:
            constraint.create()
        except exc.IntegrityError as e:
            LOG.error(explanation, e)
            # Use sys.exit so we don't blow up with a huge trace
            sys.exit(1)
開發者ID:openstack，項目名稱:designate，代碼行數:23，代碼來源:082_unique_ns_record.py

示例2: upgrade

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def upgrade(migrate_engine):
    meta.bind = migrate_engine

    status_enum = Enum(name='service_statuses_enum', metadata=meta,
                       *SERVICE_STATES)
    status_enum.create(checkfirst=True)

    service_status_table = Table('service_statuses', meta,
        Column('id', UUID(), default=utils.generate_uuid, primary_key=True),
        Column('created_at', DateTime),
        Column('updated_at', DateTime),

        Column('service_name', String(40), nullable=False),
        Column('hostname', String(255), nullable=False),
        Column('heartbeated_at', DateTime, nullable=True),
        Column('status', status_enum, nullable=False),
        Column('stats', Text, nullable=False),
        Column('capabilities', Text, nullable=False),
    )
    service_status_table.create(checkfirst=True)
開發者ID:openstack，項目名稱:designate，代碼行數:22，代碼來源:097_add_services.py

示例3: test_enum_detection

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_enum_detection(metadata):
    Table("simple_items", metadata, Column("enum", VARCHAR(255)), CheckConstraint(r"simple_items.enum IN ('A', '\'B', 'C')"))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Enum, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('enum', Enum('A', "\\\\'B", 'C'))
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:20，代碼來源:test_codegen.py

示例4: test_column_adaptation

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_column_adaptation(metadata):
    Table("simple_items", metadata, Column("id", postgresql.BIGINT), Column("length", postgresql.DOUBLE_PRECISION))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import BigInteger, Column, Float, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('id', BigInteger),
    Column('length', Float)
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:21，代碼來源:test_codegen.py

示例5: test_noindexes_table

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_noindexes_table(metadata):
    simple_items = Table("simple_items", metadata, Column("number", INTEGER), CheckConstraint("number > 2"))
    simple_items.indexes.add(Index("idx_number", simple_items.c.number))

    assert (
        generate_code(metadata, noindexes=True)
        == """\
# coding: utf-8
from sqlalchemy import CheckConstraint, Column, Integer, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('number', Integer),
    CheckConstraint('number > 2')
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:22，代碼來源:test_codegen.py

示例6: test_noconstraints_table

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_noconstraints_table(metadata):
    simple_items = Table("simple_items", metadata, Column("number", INTEGER), CheckConstraint("number > 2"))
    simple_items.indexes.add(Index("idx_number", simple_items.c.number))

    assert (
        generate_code(metadata, noconstraints=True)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('number', Integer, index=True)
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:21，代碼來源:test_codegen.py

示例7: test_indexes_table

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_indexes_table(metadata):
    simple_items = Table("simple_items", metadata, Column("id", INTEGER), Column("number", INTEGER), Column("text", VARCHAR))
    simple_items.indexes.add(Index("idx_number", simple_items.c.number))
    simple_items.indexes.add(Index("idx_text_number", simple_items.c.text, simple_items.c.number, unique=True))
    simple_items.indexes.add(Index("idx_text", simple_items.c.text, unique=True))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Index, Integer, MetaData, String, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('id', Integer),
    Column('number', Integer, index=True),
    Column('text', String, unique=True),
    Index('idx_text_number', 'text', 'number', unique=True)
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:26，代碼來源:test_codegen.py

示例8: test_no_classes

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_no_classes(metadata):
    Table("simple_items", metadata, Column("id", INTEGER, primary_key=True))

    assert (
        generate_code(metadata, noclasses=True)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('id', Integer, primary_key=True)
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:20，代碼來源:test_codegen.py

示例9: test_table_kwargs

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_table_kwargs(metadata):
    Table("simple_items", metadata, Column("id", INTEGER, primary_key=True), schema="testschema")

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class SimpleItem(Base):
    __tablename__ = 'simple_items'
    __table_args__ = {'schema': 'testschema'}

    id = Column(Integer, primary_key=True)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:23，代碼來源:test_codegen.py

示例10: test_schema_table

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_schema_table(metadata):
    Table("simple_items", metadata, Column("name", VARCHAR), schema="testschema")

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, MetaData, String, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('name', String),
    schema='testschema'
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:21，代碼來源:test_codegen.py

示例11: test_schema_boolean

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_schema_boolean(metadata):
    Table(
        "simple_items", metadata, Column("bool1", INTEGER), CheckConstraint("testschema.simple_items.bool1 IN (0, 1)"), schema="testschema"
    )

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Boolean, Column, MetaData, Table

metadata = MetaData()


t_simple_items = Table(
    'simple_items', metadata,
    Column('bool1', Boolean),
    schema='testschema'
)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:23，代碼來源:test_codegen.py

示例12: test_pk_default

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_pk_default(metadata):
    Table("simple_items", metadata, Column("id", INTEGER, primary_key=True, server_default=text("uuid_generate_v4()")))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer, text
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class SimpleItem(Base):
    __tablename__ = 'simple_items'

    id = Column(Integer, primary_key=True, server_default=text("uuid_generate_v4()"))
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:22，代碼來源:test_codegen.py

示例13: test_server_default_double_quotes

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_server_default_double_quotes(metadata):
    Table("simple", metadata, Column("id", INTEGER, primary_key=True, server_default=text('nextval("foo")')))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer, text
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class Simple(Base):
    __tablename__ = 'simple'

    id = Column(Integer, primary_key=True, server_default=text("nextval(\\"foo\\")"))
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:22，代碼來源:test_codegen.py

示例14: test_underscore

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_underscore(metadata):
    Table("customer_api_preference", metadata, Column("id", INTEGER, primary_key=True))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class CustomerApiPreference(Base):
    __tablename__ = 'customer_api_preference'

    id = Column(Integer, primary_key=True)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:22，代碼來源:test_codegen.py

示例15: test_pascal_underscore

# 需要導入模塊: from sqlalchemy import schema [as 別名]
# 或者: from sqlalchemy.schema import Table [as 別名]
def test_pascal_underscore(metadata):
    Table("customer_API_Preference", metadata, Column("id", INTEGER, primary_key=True))

    assert (
        generate_code(metadata)
        == """\
# coding: utf-8
from sqlalchemy import Column, Integer
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class CustomerAPIPreference(Base):
    __tablename__ = 'customer_API_Preference'

    id = Column(Integer, primary_key=True)
"""
    )
開發者ID:thomaxxl，項目名稱:safrs，代碼行數:22，代碼來源:test_codegen.py


注：本文中的sqlalchemy.schema.Table方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。