Python cx_Oracle.DatabaseError方法代码示例

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def _commit(self):
        if self.connection is not None:
            try:
                return self.connection.commit()
            except Database.DatabaseError as e:
                # cx_Oracle 5.0.4 raises a cx_Oracle.DatabaseError exception
                # with the following attributes and values:
                #  code = 2091
                #  message = 'ORA-02091: transaction rolled back
                #            'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
                #               _C00102056) violated - parent key not found'
                # We convert that particular case to our IntegrityError exception
                x = e.args[0]
                if hasattr(x, 'code') and hasattr(x, 'message') \
                   and x.code == 2091 and 'ORA-02291' in x.message:
                    six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
                raise

    # Oracle doesn't support releasing savepoints. But we fake them when query
    # logging is enabled to keep query counts consistent with other backends. 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def executemany(self, query, params=None):
        if not params:
            # No params given, nothing to do
            return None
        # uniform treatment for sequences and iterables
        params_iter = iter(params)
        query, firstparams = self._fix_for_params(query, next(params_iter))
        # we build a list of formatted params; as we're going to traverse it
        # more than once, we can't make it lazy by using a generator
        formatted = [firstparams] + [self._format_params(p) for p in params_iter]
        self._guess_input_sizes(formatted)
        try:
            return self.cursor.executemany(query,
                                [self._param_generator(p) for p in formatted])
        except Database.DatabaseError as e:
            # cx_Oracle <= 4.4.0 wrongly raises a DatabaseError for ORA-01400.
            if hasattr(e.args[0], 'code') and e.args[0].code == 1400 and not isinstance(e, IntegrityError):
                six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
            raise 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def _commit(self):
        if self.connection is not None:
            try:
                return self.connection.commit()
            except Database.DatabaseError as e:
                # cx_Oracle raises a cx_Oracle.DatabaseError exception
                # with the following attributes and values:
                #  code = 2091
                #  message = 'ORA-02091: transaction rolled back
                #            'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
                #               _C00102056) violated - parent key not found'
                # We convert that particular case to our IntegrityError exception
                x = e.args[0]
                if hasattr(x, 'code') and hasattr(x, 'message') \
                   and x.code == 2091 and 'ORA-02291' in x.message:
                    raise utils.IntegrityError(*tuple(e.args))
                raise

    # Oracle doesn't support releasing savepoints. But we fake them when query
    # logging is enabled to keep query counts consistent with other backends. 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def execute(self, host, port='1521', user='', password='', sid='', service_name=''):

    if sid:
      dsn = cx_Oracle.makedsn(host=host, port=port, sid=sid)
    elif service_name:
      dsn = cx_Oracle.makedsn(host=host, port=port, service_name=service_name)
    else:
      raise ValueError('Options sid and service_name cannot be both empty')

    try:
      with Timing() as timing:
        fp = cx_Oracle.connect(user, password, dsn, threaded=True)

      code, mesg = '0', fp.version

    except cx_Oracle.DatabaseError as e:
      code, mesg = e.args[0].message[:-1].split(': ', 1)

    return self.Response(code, mesg, timing)

# }}}

# PostgreSQL {{{ 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def _commit(self):
        if self.connection is not None:
            try:
                return self.connection.commit()
            except Database.DatabaseError as e:
                # cx_Oracle raises a cx_Oracle.DatabaseError exception
                # with the following attributes and values:
                #  code = 2091
                #  message = 'ORA-02091: transaction rolled back
                #            'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
                #               _C00102056) violated - parent key not found'
                # We convert that particular case to our IntegrityError exception
                x = e.args[0]
                if hasattr(x, 'code') and hasattr(x, 'message') \
                   and x.code == 2091 and 'ORA-02291' in x.message:
                    six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
                raise

    # Oracle doesn't support releasing savepoints. But we fake them when query
    # logging is enabled to keep query counts consistent with other backends. 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def _commit(self):
        if self.connection is not None:
            try:
                return self.connection.commit()
            except Database.IntegrityError as e:
                # In case cx_Oracle implements (now or in a future version)
                # raising this specific exception
                six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
            except Database.DatabaseError as e:
                # cx_Oracle 5.0.4 raises a cx_Oracle.DatabaseError exception
                # with the following attributes and values:
                #  code = 2091
                #  message = 'ORA-02091: transaction rolled back
                #            'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
                #               _C00102056) violated - parent key not found'
                # We convert that particular case to our IntegrityError exception
                x = e.args[0]
                if hasattr(x, 'code') and hasattr(x, 'message') \
                   and x.code == 2091 and 'ORA-02291' in x.message:
                    six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
                six.reraise(utils.DatabaseError, utils.DatabaseError(*tuple(e.args)), sys.exc_info()[2]) 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def execute(self, query, params=None):
        if params is None:
            params = []
        else:
            params = self._format_params(params)
        args = [(':arg%d' % i) for i in range(len(params))]
        # cx_Oracle wants no trailing ';' for SQL statements.  For PL/SQL, it
        # it does want a trailing ';' but not a trailing '/'.  However, these
        # characters must be included in the original query in case the query
        # is being passed to SQL*Plus.
        if query.endswith(';') or query.endswith('/'):
            query = query[:-1]
        query = convert_unicode(query % tuple(args), self.charset)
        self._guess_input_sizes([params])
        try:
            return self.cursor.execute(query, self._param_generator(params))
        except Database.IntegrityError as e:
            six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
        except Database.DatabaseError as e:
            # cx_Oracle <= 4.4.0 wrongly raises a DatabaseError for ORA-01400.
            if hasattr(e.args[0], 'code') and e.args[0].code == 1400 and not isinstance(e, IntegrityError):
                six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
            six.reraise(utils.DatabaseError, utils.DatabaseError(*tuple(e.args)), sys.exc_info()[2]) 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def query(conn, sql, *args):
    "Execute a SQL query and return rows as a list of dicts"
    cur = conn.cursor()
    ret = []
    try:
        if DEBUG:
            print >> sys.stderr, "QUERY: ", sql , args
        cur.execute(sql, args)
        for row in cur:
            dic = {}
            for i, value in enumerate(row):
                field = cur.description[i][0]
                dic[field] = value
            if DEBUG:
                print >> sys.stderr, "RET: ", dic
            ret.append(dic)
        return ret
    except cx_Oracle.DatabaseError, exc:
        error, = exc.args
        print >> sys.stderr, "Oracle-Error-Message:", error.message 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def connect(self):
        self.initConnection()
        self.__dsn = cx_Oracle.makedsn(self.hostname, self.port, self.db)
        self.__dsn = utf8encode(self.__dsn)
        self.user = utf8encode(self.user)
        self.password = utf8encode(self.password)

        try:
            self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password, mode=cx_Oracle.SYSDBA)
            logger.info("successfully connected as SYSDBA")
        except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError), ex:
            if "Oracle Client library" in str(ex):
                msg = re.sub(r"DPI-\d+:\s+", "", str(ex))
                msg = re.sub(r': ("[^"]+")', r" (\g<1>)", msg)
                msg = re.sub(r". See (http[^ ]+)", r'. See "\g<1>"', msg)
                raise SqlmapConnectionException(msg)

            try:
                self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password)
            except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError), msg:
                raise SqlmapConnectionException(msg) 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def execute(self, query, params=None):
        query, params = self._fix_for_params(query, params)
        self._guess_input_sizes([params])
        try:
            return self.cursor.execute(query, self._param_generator(params))
        except Database.DatabaseError as e:
            # cx_Oracle <= 4.4.0 wrongly raises a DatabaseError for ORA-01400.
            if hasattr(e.args[0], 'code') and e.args[0].code == 1400 and not isinstance(e, IntegrityError):
                six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
            raise 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def init_connection_state(self):
        cursor = self.create_cursor()
        # Set the territory first. The territory overrides NLS_DATE_FORMAT
        # and NLS_TIMESTAMP_FORMAT to the territory default. When all of
        # these are set in single statement it isn't clear what is supposed
        # to happen.
        cursor.execute("ALTER SESSION SET NLS_TERRITORY = 'AMERICA'")
        # Set Oracle date to ANSI date format.  This only needs to execute
        # once when we create a new connection. We also set the Territory
        # to 'AMERICA' which forces Sunday to evaluate to a '1' in
        # TO_CHAR().
        cursor.execute(
            "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'"
            " NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF'" +
            (" TIME_ZONE = 'UTC'" if settings.USE_TZ else '')
        )
        cursor.close()
        if 'operators' not in self.__dict__:
            # Ticket #14149: Check whether our LIKE implementation will
            # work for this connection or we need to fall back on LIKEC.
            # This check is performed only once per DatabaseWrapper
            # instance per thread, since subsequent connections will use
            # the same settings.
            cursor = self.create_cursor()
            try:
                cursor.execute("SELECT 1 FROM DUAL WHERE DUMMY %s"
                               % self._standard_operators['contains'],
                               ['X'])
            except Database.DatabaseError:
                self.operators = self._likec_operators
                self.pattern_ops = self._likec_pattern_ops
            else:
                self.operators = self._standard_operators
                self.pattern_ops = self._standard_pattern_ops
            cursor.close()
        self.connection.stmtcachesize = 20
        # Ensure all changes are preserved even when AUTOCOMMIT is False.
        if not self.get_autocommit():
            self.commit() 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def connect(self):
        self.initConnection()
        self.__dsn = cx_Oracle.makedsn(self.hostname, self.port, self.db)
        self.__dsn = utf8encode(self.__dsn)
        self.user = utf8encode(self.user)
        self.password = utf8encode(self.password)

        try:
            self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password, mode=cx_Oracle.SYSDBA)
            logger.info("successfully connected as SYSDBA")
        except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError):
            try:
                self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password)
            except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError), msg:
                raise SqlmapConnectionException(msg) 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def execute(self, query):
        retVal = False

        try:
            self.cursor.execute(utf8encode(query))
            retVal = True
        except cx_Oracle.DatabaseError, msg:
            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) %s" % msg) 

# 需要导入模块: import cx_Oracle [as 别名]
# 或者: from cx_Oracle import DatabaseError [as 别名]
def executemany(self, query, params=None):
        # cx_Oracle doesn't support iterators, convert them to lists
        if params is not None and not isinstance(params, (list, tuple)):
            params = list(params)
        try:
            args = [(':arg%d' % i) for i in range(len(params[0]))]
        except (IndexError, TypeError):
            # No params given, nothing to do
            return None
        # cx_Oracle wants no trailing ';' for SQL statements.  For PL/SQL, it
        # it does want a trailing ';' but not a trailing '/'.  However, these
        # characters must be included in the original query in case the query
        # is being passed to SQL*Plus.
        if query.endswith(';') or query.endswith('/'):
            query = query[:-1]
        query = convert_unicode(query % tuple(args), self.charset)
        formatted = [self._format_params(i) for i in params]
        self._guess_input_sizes(formatted)
        try:
            return self.cursor.executemany(query,
                                [self._param_generator(p) for p in formatted])
        except Database.IntegrityError as e:
            six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
        except Database.DatabaseError as e:
            # cx_Oracle <= 4.4.0 wrongly raises a DatabaseError for ORA-01400.
            if hasattr(e.args[0], 'code') and e.args[0].code == 1400 and not isinstance(e, IntegrityError):
                six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
            six.reraise(utils.DatabaseError, utils.DatabaseError(*tuple(e.args)), sys.exc_info()[2])