python类CHAR的实例源码

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        else:
            return name

def load_dialect_impl(self, dialect):
        if dialect.name == 'postgresql':
            return dialect.type_descriptor(UUID())
        else:
            return dialect.type_descriptor(CHAR(32))

def sqltype_to_stdtype(sqltype):
    import sqlalchemy.types as sqltypes
    if isinstance(sqltype, (sqltypes.VARCHAR, sqltypes.CHAR, sqltypes.TEXT, sqltypes.Enum, sqltypes.String)):
        return _STRING_TYPE
    if isinstance(sqltype, (sqltypes.DATETIME, sqltypes.DATE, sqltypes.TIME, sqltypes.TIMESTAMP)):
        return _DATE_TYPE
    if isinstance(sqltype, (sqltypes.INTEGER, sqltypes.BIGINT, sqltypes.SMALLINT, sqltypes.Integer)):
        return _INTEGER_TYPE
    if isinstance(sqltype, (sqltypes.REAL, sqltypes.DECIMAL, sqltypes.NUMERIC, sqltypes.FLOAT)):
        return _DECIMAL_TYPE
    if isinstance(sqltype, sqltypes.BOOLEAN):
        return _BOOLEAN_TYPE

def load_dialect_impl(self, dialect):
        if dialect.name == 'postgresql':
            return dialect.type_descriptor(UUID())
        elif dialect.name == 'oracle':
            return dialect.type_descriptor(RAW(16))
        elif dialect.name == 'mysql':
            return dialect.type_descriptor(BINARY(16))
        else:
            return dialect.type_descriptor(CHAR(32))

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        elif name.lower() == name:
            return quoted_name(name, quote=True)
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        elif name.lower() == name:
            return quoted_name(name, quote=True)
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        elif name.lower() == name:
            return quoted_name(name, quote=True)
        else:
            return name

def __init__(self, length=None, **kwargs):
        super(CHAR, self).__init__(length=length, **kwargs)

def normalize_name(self, name):
        # Remove trailing spaces: FB uses a CHAR() type,
        # that is padded with spaces
        name = name and name.rstrip()
        if name is None:
            return None
        elif name.upper() == name and \
                not self.identifier_preparer._requires_quotes(name.lower()):
            return name.lower()
        elif name.lower() == name:
            return quoted_name(name, quote=True)
        else:
            return name

def __init__(self, binary=True, native=True):
        """
        :param binary: Whether to use a BINARY(16) or CHAR(32) fallback.
        """
        self.binary = binary
        self.native = native